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Volume 97(4);  February 15, 2000
Editorial
The past climate change heats up
Steven M. Stanley
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1319.
PMCID: PMC34292
Commentaries
Of bears, conservation genetics, and the value of time travel
Svante Pääbo
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1320–1321.
PMCID: PMC34293
Closing the ring: Links between SMC proteins and chromosome partitioning, condensation, and supercoiling
Victor F. Holmes and Nicholas R. Cozzarelli
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1322–1324. Published online 2000 February 11.
PMCID: PMC34294
More surprises in translation: Initiation without the initiator tRNA
Uttam L. RajBhandary
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1325–1327. Published online 2000 February 11.
PMCID: PMC34295
Computation with biomolecules
Junghuei Chen and David Harlan Wood
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1328–1330.
PMCID: PMC34296
Perspective
Ice-core evidence of abrupt climate changes
Richard B. Alley
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1331–1334.
PMCID: PMC34297
Nonglacial rapid climate events: Past and future
Jonathan Overpeck and Robert Webb
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1335–1338.
PMCID: PMC34298
Was a change in thermohaline circulation responsible for the Little Ice Age?
Wallace S. Broecker
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1339–1342.
PMCID: PMC34299
Detecting Holocene changes in thermohaline circulation
L. D. Keigwin and E. A. Boyle
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1343–1346.
PMCID: PMC34300
Abrupt climate change and thermohaline circulation: Mechanisms and predictability
Jochem Marotzke
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1347–1350.
PMCID: PMC34301
As climate changes, so do glaciers
Thomas V. Lowell
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1351–1354.
PMCID: PMC34302
Climate change and the tropical Pacific: The sleeping dragon wakes
R. T. Pierrehumbert
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1355–1358.
PMCID: PMC34303
Sensitivity and rapidity of vegetational response to abrupt climate change
Dorothy Peteet
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1359–1361.
PMCID: PMC34304
Abrupt climate change in the computer: Is it real?
Thomas F. Stocker and Olivier Marchal
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1362–1365.
PMCID: PMC34305
Special Features
The past climate change heats up
Steven M. Stanley
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1319.
PMCID: PMC34292
Ice-core evidence of abrupt climate changes
Richard B. Alley
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1331–1334.
PMCID: PMC34297
Nonglacial rapid climate events: Past and future
Jonathan Overpeck and Robert Webb
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1335–1338.
PMCID: PMC34298
Was a change in thermohaline circulation responsible for the Little Ice Age?
Wallace S. Broecker
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1339–1342.
PMCID: PMC34299
Detecting Holocene changes in thermohaline circulation
L. D. Keigwin and E. A. Boyle
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1343–1346.
PMCID: PMC34300
Abrupt climate change and thermohaline circulation: Mechanisms and predictability
Jochem Marotzke
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1347–1350.
PMCID: PMC34301
As climate changes, so do glaciers
Thomas V. Lowell
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1351–1354.
PMCID: PMC34302
Climate change and the tropical Pacific: The sleeping dragon wakes
R. T. Pierrehumbert
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1355–1358.
PMCID: PMC34303
Sensitivity and rapidity of vegetational response to abrupt climate change
Dorothy Peteet
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1359–1361.
PMCID: PMC34304
Abrupt climate change in the computer: Is it real?
Thomas F. Stocker and Olivier Marchal
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1362–1365.
PMCID: PMC34305
Research Articles
Two terrestrial records of rapid climatic change during the glacial–Holocene transition (14,000– 9,000 calendar years B.P.) from Europe
Hilary H. Birks and Brigitta Ammann
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1390–1394.
PMCID: PMC26443
Paleoproterozoic snowball Earth: Extreme climatic and geochemical global change and its biological consequences
Joseph L. Kirschvink, Eric J. Gaidos, L. Elizabeth Bertani, Nicholas J. Beukes, Jens Gutzmer, Linda N. Maepa, and Rachel E. Steinberger
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1400–1405.
PMCID: PMC26445
Twentieth century climate change: Evidence from small glaciers
Mark B. Dyurgerov and Mark F. Meier
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1406–1411.
PMCID: PMC26446
Can ozone depletion and global warming interact to produce rapid climate change?
Dennis L. Hartmann, John M. Wallace, Varavut Limpasuvan, David W. J. Thompson, and James R. Holton
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1412–1417.
PMCID: PMC26447
From the Cover:
Climate and infectious disease: Use of remote sensing for detection of Vibrio cholerae by indirect measurement
Brad Lobitz, Louisa Beck, Anwar Huq, Byron Wood, George Fuchs, A. S. G. Faruque, and Rita Colwell
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1438–1443.
PMCID: PMC26452
Climate change is affecting altitudinal migrants and hibernating species
David W. Inouye, Billy Barr, Kenneth B. Armitage, and Brian D. Inouye
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1630–1633.
PMCID: PMC26486
Physical Sciences
Applied Mathematics
Very intense pulse in the groundwater flow in fissurized-porous stratum
G. I. Barenblatt, E. A. Ingerman, H. Shvets, and J. L. Vázquez
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1366–1369.
PMCID: PMC26438
Applied Physical Sciences
The elasticity and failure of fluid-filled cellular solids: Theory and experiment
M. Warner, B. L. Thiel, and A. M. Donald
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1370–1375. Published online 2000 January 31.
PMCID: PMC26439
Chemistry
Femtosecond observation of benzyne intermediates in a molecular beam: Bergman rearrangement in the isolated molecule
Eric W.-G. Diau, Joseph Casanova, John D. Roberts, and Ahmed H. Zewail
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1376–1379. Published online 2000 January 31.
PMCID: PMC26440
Archimedean solids: Transition metal mediated rational self-assembly of supramolecular-truncated tetrahedra
Stefan Leininger, Jun Fan, Marion Schmitz, and Peter J. Stang
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1380–1384. Published online 2000 February 4.
PMCID: PMC26441
Computer Sciences
From the Cover:
Molecular computation: RNA solutions to chess problems
Dirk Faulhammer, Anthony R. Cukras, Richard J. Lipton, and Laura F. Landweber
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1385–1389.
PMCID: PMC26442
Engineering
Generation of in vivo activating factors in the ischemic intestine by pancreatic enzymes
Hiroshi Mitsuoka, Erik B. Kistler, and Geert W. Schmid-Schönbein
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1772–1777.
PMCID: PMC26511
Geology
Two terrestrial records of rapid climatic change during the glacial–Holocene transition (14,000– 9,000 calendar years B.P.) from Europe
Hilary H. Birks and Brigitta Ammann
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1390–1394.
PMCID: PMC26443
Atmospheric energy for subsurface life on Mars?
Benjamin P. Weiss, Yuk L. Yung, and Kenneth H. Nealson
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1395–1399. Published online 2000 January 31.
PMCID: PMC26444
Paleoproterozoic snowball Earth: Extreme climatic and geochemical global change and its biological consequences
Joseph L. Kirschvink, Eric J. Gaidos, L. Elizabeth Bertani, Nicholas J. Beukes, Jens Gutzmer, Linda N. Maepa, and Rachel E. Steinberger
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1400–1405.
PMCID: PMC26445
Geophysics
Twentieth century climate change: Evidence from small glaciers
Mark B. Dyurgerov and Mark F. Meier
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1406–1411.
PMCID: PMC26446
Can ozone depletion and global warming interact to produce rapid climate change?
Dennis L. Hartmann, John M. Wallace, Varavut Limpasuvan, David W. J. Thompson, and James R. Holton
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1412–1417.
PMCID: PMC26447
Mathematics
Twist fields, the elliptic genus, and hidden symmetry
Arthur Jaffe
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1418–1422.
PMCID: PMC26448
Statistics
The multivariate L1-median and associated data depth
Yehuda Vardi and Cun-Hui Zhang
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1423–1426.
PMCID: PMC26449
Biological Sciences
Agricultural Sciences
Evolutionary conservation of apoptosis mechanisms: Lepidopteran and baculoviral inhibitor of apoptosis proteins are inhibitors of mammalian caspase-9
Qihong Huang, Quinn L. Deveraux, Susumu Maeda, Guy S. Salvesen, Henning R. Stennicke, Bruce D. Hammock, and John C. Reed
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1427–1432.
PMCID: PMC26450
Applied Biological Sciences
Synergy in a medicinal plant: Antimicrobial action of berberine potentiated by 5′-methoxyhydnocarpin, a multidrug pump inhibitor
Frank R. Stermitz, Peter Lorenz, Jeanne N. Tawara, Lauren A. Zenewicz, and Kim Lewis
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1433–1437. Published online 2000 February 4.
PMCID: PMC26451
From the Cover:
Climate and infectious disease: Use of remote sensing for detection of Vibrio cholerae by indirect measurement
Brad Lobitz, Louisa Beck, Anwar Huq, Byron Wood, George Fuchs, A. S. G. Faruque, and Rita Colwell
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1438–1443.
PMCID: PMC26452
Biochemistry
From the Cover:
Molecular computation: RNA solutions to chess problems
Dirk Faulhammer, Anthony R. Cukras, Richard J. Lipton, and Laura F. Landweber
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1385–1389.
PMCID: PMC26442
The subcellular localization of acetyl-CoA carboxylase 2
Lutfi Abu-Elheiga, William R. Brinkley, Ling Zhong, Subrahmanyam S. Chirala, Gebretateos Woldegiorgis, and Salih J. Wakil
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1444–1449.
PMCID: PMC26453
A structural basis for integrin activation by the cytoplasmic tail of the αIIb-subunit
Olga Vinogradova, Tom Haas, Edward F. Plow, and Jun Qin
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1450–1455. Published online 2000 February 4.
PMCID: PMC26454
Human aspartic protease memapsin 2 cleaves the β-secretase site of β-amyloid precursor protein
Xinli Lin, Gerald Koelsch, Shili Wu, Debbie Downs, Azar Dashti, and Jordan Tang
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1456–1460.
PMCID: PMC26455
Consequences of placing an intramolecular crosslink in myosin S1
Kunihiko Konno, Kathleen Ue, Mikhail Khoroshev, Hugo Martinez, Bruce Ray, and Manuel F. Morales
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1461–1466. Published online 2000 February 4.
PMCID: PMC26456
Three-dimensional modeling of and ligand docking to vitamin D receptor ligand binding domain
Keiko Yamamoto, Hiroyuki Masuno, Mihwa Choi, Kinichi Nakashima, Tetsuya Taga, Hiroshi Ooizumi, Kazuhiko Umesono, Wanda Sicinska, Janeen VanHooke, Hector F. DeLuca, and Sachiko Yamada
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1467–1472. Published online 2000 February 4.
PMCID: PMC26457
Self-assembly of large, ordered lamellae from non-bilayer lipids and integral membrane proteins in vitro
Ilian Simidjiev, Svetla Stoylova, Heinz Amenitsch, Tamás Jávorfi, László Mustárdy, Peter Laggner, Andreas Holzenburg, and Győző Garab
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1473–1476.
PMCID: PMC26458
Folding and activity of circularly permuted forms of a polytopic membrane protein
Rudolf Beutler, Francesco Ruggiero, and Bernhard Erni
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1477–1482. Published online 2000 February 4.
PMCID: PMC26459
A regulator of G protein signaling interaction surface linked to effector specificity
Mathew E. Sowa, Wei He, Theodore G. Wensel, and Olivier Lichtarge
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1483–1488. Published online 2000 February 4.
PMCID: PMC26460
Role of endocytosis in the activation of the extracellular signal-regulated kinase cascade by sequestering and nonsequestering G protein-coupled receptors
Kristen L. Pierce, Stuart Maudsley, Yehia Daaka, Louis M. Luttrell, and Robert J. Lefkowitz
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1489–1494.
PMCID: PMC26461
Positive and negative regulation of endogenous genes by designed transcription factors
Roger R. Beerli, Birgit Dreier, and Carlos F. Barbas, III
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1495–1500. Published online 2000 January 31.
PMCID: PMC26462
Host factor Hfq of Escherichia coli stimulates elongation of poly(A) tails by poly(A) polymerase I
Eliane Hajnsdorf and Philippe Régnier
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1501–1505. Published online 2000 February 4.
PMCID: PMC26463
Allosteric inhibitors of inducible nitric oxide synthase dimerization discovered via combinatorial chemistry
Kirk McMillan, Marc Adler, Douglas S. Auld, John J. Baldwin, Eric Blasko, Leslie J. Browne, Daniel Chelsky, David Davey, Ronald E. Dolle, Keith A. Eagen, Shawn Erickson, Richard I. Feldman, Charles B. Glaser, Cornell Mallari, Michael M. Morrissey, Michael H. J. Ohlmeyer, Gonghua Pan, John F. Parkinson, Gary B. Phillips, Mark A. Polokoff, Nolan H. Sigal, Ronald Vergona, Marc Whitlow, Tish A. Young, and James J. Devlin
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1506–1511.
PMCID: PMC26464
From the Cover:
Methionine-independent initiation of translation in the capsid protein of an insect RNA virus
Jun Sasaki and Nobuhiko Nakashima
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1512–1515. Published online 2000 January 31.
PMCID: PMC26465
Studies on the role of the hydrophobic domain of Ost4p in interactions with other subunits of yeast oligosaccharyl transferase
Hyun Kim, Hangil Park, Lucy Montalvo, and William J. Lennarz
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1516–1520. Published online 2000 February 4.
PMCID: PMC26466
Coupling between protein folding and allostery in the GroE chaperonin system
Ofer Yifrach and Amnon Horovitz
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1521–1524. Published online 2000 February 4.
PMCID: PMC26467
Transition-state structure as a unifying basis in protein-folding mechanisms: Contact order, chain topology, stability, and the extended nucleus mechanism
Alan R. Fersht
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1525–1529.
PMCID: PMC26468
A double-hexamer archaeal minichromosome maintenance protein is an ATP-dependent DNA helicase
James P. J. Chong, Mariko K. Hayashi, Martha N. Simon, Rui-Ming Xu, and Bruce Stillman
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1530–1535. Published online 2000 February 4.
PMCID: PMC26469
A 9-nt segment of a cellular mRNA can function as an internal ribosome entry site (IRES) and when present in linked multiple copies greatly enhances IRES activity
Stephen A. Chappell, Gerald M. Edelman, and Vincent P. Mauro
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1536–1541.
PMCID: PMC26470
Biophysics
The elasticity and failure of fluid-filled cellular solids: Theory and experiment
M. Warner, B. L. Thiel, and A. M. Donald
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1370–1375. Published online 2000 January 31.
PMCID: PMC26439
Determination of the binding sites of the proton transfer inhibitors Cd2+ and Zn2+ in bacterial reaction centers
H. L. Axelrod, E. C. Abresch, M. L. Paddock, M. Y. Okamura, and G. Feher
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1542–1547.
PMCID: PMC26471
Identification of the proton pathway in bacterial reaction centers: Replacement of Asp-M17 and Asp-L210 with Asn reduces the proton transfer rate in the presence of Cd2+
M. L. Paddock, G. Feher, and M. Y. Okamura
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1548–1553.
PMCID: PMC26472
Femtosecond resolution of ligand-heme interactions in the high-affinity quinol oxidase bd: A di-heme active site?
Marten H. Vos, Vitaliy B. Borisov, Ursula Liebl, Jean-Louis Martin, and Alexander A. Konstantinov
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1554–1559. Published online 2000 January 31.
PMCID: PMC26473
Cell Biology
The Golgi-associated COPI-coated buds and vesicles contain β/γ-actin
Ferran Valderrama, Ana Luna, Teresa Babià, José A. Martínez-Menárguez, José Ballesta, Holger Barth, Christine Chaponnier, Jaime Renau-Piqueras, and Gustavo Egea
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1560–1565.
PMCID: PMC26474
RANK is the intrinsic hematopoietic cell surface receptor that controls osteoclastogenesis and regulation of bone mass and calcium metabolism
Ji Li, Ildiko Sarosi, Xiao-Qiang Yan, Sean Morony, Casey Capparelli, Hong-Lin Tan, Susan McCabe, Robin Elliott, Sheila Scully, Gwyneth Van, Stephen Kaufman, Shao-Chieh Juan, Yu Sun, John Tarpley, Laura Martin, Kathleen Christensen, James McCabe, Paul Kostenuik, Hailing Hsu, Frederick Fletcher, Colin R. Dunstan, David L. Lacey, and William J. Boyle
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1566–1571.
PMCID: PMC26475
A functional genetic screen identifies regions at the C-terminal tail and death-domain of death-associated protein kinase that are critical for its proapoptotic activity
Tal Raveh, Hanna Berissi, Miriam Eisenstein, Taly Spivak, and Adi Kimchi
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1572–1577. Published online 2000 February 4.
PMCID: PMC26476
Survival function of ERK1/2 as IL-3-activated, staurosporine-resistant Bcl2 kinases
Xingming Deng, Peter Ruvolo, Boyd Carr, and W. Stratford May, Jr.
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1578–1583.
PMCID: PMC26477
The catalytic subunit of DNA-dependent protein kinase selectively regulates p53-dependent apoptosis but not cell-cycle arrest
Sa Wang, Min Guo, Honghai Ouyang, Xiaoling Li, Carlos Cordon-Cardo, Akihiro Kurimasa, David J. Chen, Zvi Fuks, C. Clifton Ling, and Gloria C. Li
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1584–1588.
PMCID: PMC26478
Aggregation of huntingtin in yeast varies with the length of the polyglutamine expansion and the expression of chaperone proteins
Sylvia Krobitsch and Susan Lindquist
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1589–1594.
PMCID: PMC26479
Neuropeptide Y (NPY) potentiates phenylephrine-induced mitogen-activated protein kinase activation in primary cardiomyocytes via NPY Y5 receptors
Corinne Pellieux, Thérèse Sauthier, Andrea Domenighetti, Donald J. Marsh, Richard D. Palmiter, Hans-R. Brunner, and Thierry Pedrazzini
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1595–1600. Published online 2000 January 31.
PMCID: PMC26480
Myeloblastin is a granulocyte colony-stimulating factor-responsive gene conferring factor-independent growth to hematopoietic cells
Pierre G. Lutz, Christel Moog-Lutz, Edith Coumau-Gatbois, Ladan Kobari, Yolande Di Gioia, and Yvon E. Cayre
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1601–1606.
PMCID: PMC26481
Developmental Biology
neurogenin3 is required for the development of the four endocrine cell lineages of the pancreas
Gérard Gradwohl, Andrée Dierich, Marianne LeMeur, and François Guillemot
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1607–1611.
PMCID: PMC26482
Efficient studies of long-distance Bmp5 gene regulation using bacterial artificial chromosomes
Ralph J. DiLeone, Gregory A. Marcus, Michelle D. Johnson, and David M. Kingsley
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1612–1617.
PMCID: PMC26483
Zic2 regulates the kinetics of neurulation
Takeharu Nagai, Jun Aruga, Osamu Minowa, Takashi Sugimoto, Yoshiki Ohno, Tetsuo Noda, and Katsuhiko Mikoshiba
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1618–1623.
PMCID: PMC26484
Endogenous expression of Müllerian inhibiting substance in early postnatal rat Sertoli cells requires multiple steroidogenic factor-1 and GATA-4-binding sites
Koji Watanabe, Trent R. Clarke, Andrew H. Lane, Xinzhong Wang, and Patricia K. Donahoe
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1624–1629.
PMCID: PMC26485
Ecology
Climate change is affecting altitudinal migrants and hibernating species
David W. Inouye, Billy Barr, Kenneth B. Armitage, and Brian D. Inouye
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1630–1633.
PMCID: PMC26486
Chemical defense against predation in an insect egg
Thomas Eisner, Maria Eisner, Carmen Rossini, Vikram K. Iyengar, Braden L. Roach, Eva Benedikt, and Jerrold Meinwald
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1634–1639. Published online 2000 February 4.
PMCID: PMC26487
Evolution
Biodiversity of Costa Rican salamanders: Implications of high levels of genetic differentiation and phylogeographic structure for species formation
Mario García-París, David A. Good, Gabriela Parra-Olea, and David B. Wake
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1640–1647.
PMCID: PMC26488
High relatedness and inbreeding at the origin of eusociality in gall-inducing thrips
T. W. Chapman, B. J. Crespi, B. D. Kranz, and M. P. Schwarz
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1648–1650. Published online 2000 January 31.
PMCID: PMC26489
From the Cover:
Population genetics of Ice Age brown bears
Jennifer A. Leonard, Robert K. Wayne, and Alan Cooper
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1651–1654. Published online 2000 February 4.
PMCID: PMC26490
Hox cluster genomics in the horn shark, Heterodontus francisci
Chang-Bae Kim, Chris Amemiya, Wendy Bailey, Kazuhiko Kawasaki, Jason Mezey, Webb Miller, Shinsei Minoshima, Nobuyoshi Shimizu, Günter Wagner, and Frank Ruddle
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1655–1660. Published online 2000 February 4.
PMCID: PMC26491
Identification of hepatitis B virus indigenous to chimpanzees
Xiaolei Hu, Harold S. Margolis, Robert H. Purcell, James Ebert, and Betty H. Robertson
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1661–1664.
PMCID: PMC26492
Genetics
In vitro cloning of complex mixtures of DNA on microbeads: Physical separation of differentially expressed cDNAs
Sydney Brenner, Steven R. Williams, Eric H. Vermaas, Thorsten Storck, Keith Moon, Christie McCollum, Jen-I Mao, Shujun Luo, James J. Kirchner, Sam Eletr, Robert B. DuBridge, Timothy Burcham, and Glenn Albrecht
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1665–1670.
PMCID: PMC26493
Suppression of chromosome segregation defects of Escherichia coli muk mutants by mutations in topoisomerase I
James A. Sawitzke and Stuart Austin
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1671–1676. Published online 2000 January 31.
PMCID: PMC26494
Mitochondrial carbonic anhydrase CA VB: Differences in tissue distribution and pattern of evolution from those of CA VA suggest distinct physiological roles
Gul N. Shah, David Hewett-Emmett, Jeffrey H. Grubb, Mary C. Migas, Robert E. Fleming, Abdul Waheed, and William S. Sly
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1677–1682.
PMCID: PMC26495
Nonlinearity in genetic decoding: Homologous DNA replicase genes use alternatives of transcriptional slippage or translational frameshifting
Bente Larsen, Norma M. Wills, Chad Nelson, John F. Atkins, and Raymond F. Gesteland
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1683–1688.
PMCID: PMC26496
Immunology
Protective DNA vaccination against organ-specific autoimmunity is highly specific and discriminates between single amino acid substitutions in the peptide autoantigen
Robert Weissert, Anna Lobell, Katrien L. de Graaf, Sana Yousif Eltayeb, Roland Andersson, Tomas Olsson, and Hans Wigzell
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1689–1694. Published online 2000 February 4.
PMCID: PMC26497
Human cytomegalovirus harbors its own unique IL-10 homolog (cmvIL-10)
Sergei V. Kotenko, Simona Saccani, Lara S. Izotova, Olga V. Mirochnitchenko, and Sidney Pestka
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1695–1700.
PMCID: PMC26498
Early expression of antiinsulin autoantibodies of humans and the NOD mouse: Evidence for early determination of subsequent diabetes
Liping Yu, David T. Robles, Norio Abiru, Paramjit Kaur, Marian Rewers, Katalin Kelemen, and George S. Eisenbarth
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1701–1706. Published online 2000 February 4.
PMCID: PMC26499
The dual functions of Fas ligand in the regulation of peripheral CD8+ and CD4+ T cells
Ivy Suzuki and Pamela J. Fink
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1707–1712.
PMCID: PMC26500
Role of Syk in B-cell development and antigen-receptor signaling
Richard J. Cornall, Alex M. Cheng, Tony Pawson, and Christopher C. Goodnow
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1713–1718.
PMCID: PMC26501
Hypothyroidism in transgenic mice expressing IFN-γ in the thyroid
P. Caturegli, M. Hejazi, K. Suzuki, O. Dohan, N. Carrasco, L. D. Kohn, and N. R. Rose
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1719–1724. Published online 2000 February 4.
PMCID: PMC26502
Adapter proteins SLP-76 and BLNK both are expressed by murine macrophages and are linked to signaling via Fcγ receptors I and II/III
Francisco A. Bonilla, Ross M. Fujita, Vadim I. Pivniouk, Andrew C. Chan, and Raif S. Geha
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1725–1730. Published online 2000 February 4.
PMCID: PMC26503
Medical Sciences
Polycystin 1 is required for the structural integrity of blood vessels
Keetae Kim, Iain Drummond, Oxana Ibraghimov-Beskrovnaya, Katherine Klinger, and M. Amin Arnaout
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1731–1736. Published online 2000 February 4.
PMCID: PMC26504
Regulated expression of P210 Bcr-Abl during embryonic stem cell differentiation stimulates multipotential progenitor expansion and myeloid cell fate
Takumi Era and Owen N. Witte
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1737–1742.
PMCID: PMC26505
Cardiolipin is a normal component of human plasma lipoproteins
Hiroshi Deguchi, José A. Fernández, Tilman M. Hackeng, Carole L. Banka, and John H. Griffin
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1743–1748.
PMCID: PMC26506
Phosphatidylinositol 3-kinase signaling mediates angiogenesis and expression of vascular endothelial growth factor in endothelial cells
Bing-Hua Jiang, Jenny Z. Zheng, Masahiro Aoki, and Peter K. Vogt
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1749–1753. Published online 2000 February 4.
PMCID: PMC26507
Combined effect of tumor necrosis factor-related apoptosis-inducing ligand and ionizing radiation in breast cancer therapy
Arul M. Chinnaiyan, Uttara Prasad, Sunita Shankar, Daniel A. Hamstra, Murthy Shanaiah, Thomas L. Chenevert, Brian D. Ross, and Alnawaz Rehemtulla
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1754–1759. Published online 2000 February 4.
PMCID: PMC26508
Human AML1/MDS1/EVI1 fusion protein induces an acute myelogenous leukemia (AML) in mice: A model for human AML
Grace M. Cuenco, Giuseppina Nucifora, and Ruibao Ren
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1760–1765. Published online 2000 February 4.
PMCID: PMC26509
Identification of a Plasmodium falciparum intercellular adhesion molecule-1 binding domain: A parasite adhesion trait implicated in cerebral malaria
Joseph D. Smith, Alister G. Craig, Neline Kriek, Diana Hudson-Taylor, Sue Kyes, Toby Fagen, Robert Pinches, Dror I. Baruch, Chris I. Newbold, and Louis H. Miller
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1766–1771. Published online 2000 February 4.
PMCID: PMC26510
Generation of in vivo activating factors in the ischemic intestine by pancreatic enzymes
Hiroshi Mitsuoka, Erik B. Kistler, and Geert W. Schmid-Schönbein
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1772–1777.
PMCID: PMC26511
Global analysis of gene expression in pulmonary fibrosis reveals distinct programs regulating lung inflammation and fibrosis
Naftali Kaminski, John D. Allard, Jean F. Pittet, Fengrong Zuo, Mark J. D. Griffiths, David Morris, Xiaozhu Huang, Dean Sheppard, and Renu A. Heller
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1778–1783.
PMCID: PMC26512
Lipotoxic heart disease in obese rats: Implications for human obesity
Yan-Ting Zhou, Paul Grayburn, Asad Karim, Michio Shimabukuro, Moritake Higa, Dany Baetens, Lelio Orci, and Roger H. Unger
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1784–1789.
PMCID: PMC26513
Enzyme plus light therapy to repair DNA damage in ultraviolet-B-irradiated human skin
Helger Stege, Len Roza, Arie A. Vink, Markus Grewe, Thomas Ruzicka, Susanne Grether-Beck, and Jean Krutmann
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1790–1795. Published online 2000 January 31.
PMCID: PMC26514
Chemical chaperones mediate increased secretion of mutant α1-antitrypsin (α1-AT) Z: A potential pharmacological strategy for prevention of liver injury and emphysema in α1-AT deficiency
Jon A. J. Burrows, Lauren K. Willis, and David H. Perlmutter
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1796–1801.
PMCID: PMC26515
Cure of human carcinoma xenografts by a single dose of pretargeted yttrium-90 with negligible toxicity
D. B. Axworthy, J. M. Reno, M. D. Hylarides, R. W. Mallett, L. J. Theodore, L. M. Gustavson, F.-M. Su, L. J. Hobson, P. L. Beaumier, and A. R. Fritzberg
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1802–1807.
PMCID: PMC26516
From the Cover:
The epidemiology of antibiotic resistance in hospitals: Paradoxes and prescriptions
Marc Lipsitch, Carl T. Bergstrom, and Bruce R. Levin
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1938–1943.
PMCID: PMC26540
Microbiology
Atmospheric energy for subsurface life on Mars?
Benjamin P. Weiss, Yuk L. Yung, and Kenneth H. Nealson
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1395–1399. Published online 2000 January 31.
PMCID: PMC26444
Facilitated diffusion of fructose via the phosphoenolpyruvate/glucose phosphotransferase system of Escherichia coli
Hans L. Kornberg, Linda T. M. Lambourne, and Andrew A. Sproul
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1808–1812.
PMCID: PMC26517
Defensive extrusive ectosymbionts of Euplotidium (Ciliophora) that contain microtubule-like structures are bacteria related to Verrucomicrobia
Giulio Petroni, Stefan Spring, Karl-Heinz Schleifer, Franco Verni, and Giovanna Rosati
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1813–1817. Published online 2000 January 31.
PMCID: PMC26518
A herpes simplex virus 1 recombinant lacking the glycoprotein G coding sequences is defective in entry through apical surfaces of polarized epithelial cells in culture and in vivo
Lorren C. Tran, Jennifer M. Kissner, Larry E. Westerman, and Amy E. Sears
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1818–1822. Published online 2000 February 4.
PMCID: PMC26519
Neurobiology
Importance of newly generated neurons in the adult olfactory bulb for odor discrimination
Gilles Gheusi, Harold Cremer, Heather McLean, Geneviève Chazal, Jean-Didier Vincent, and Pierre-Marie Lledo
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1823–1828.
PMCID: PMC26520
Activation of a heterologously expressed octopamine receptor coupled only to adenylyl cyclase produces all the features of presynaptic facilitation in Aplysia sensory neurons
Deok-Jin Chang, Xiao-Ching Li, Yong-Seok Lee, Hyong-Kyu Kim, Ueon Suk Kim, Nam Jeong Cho, Xinmian Lo, Klaudiusz R. Weiss, Eric R. Kandel, and Bong-Kiun Kaang
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1829–1834.
PMCID: PMC26521
An electric lobe suppressor for a yeast choline transport mutation belongs to a new family of transporter-like proteins
Seana O'Regan, Elisabeth Traiffort, Martial Ruat, Nathalie Cha, Désiré Compaoré, and François-Marie Meunier
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1835–1840. Published online 2000 February 4.
PMCID: PMC26522
Columnar distribution of serotonin-dependent plasticity within kitten striate cortex
Ljubomir Kojic, Richard H. Dyck, Qiang Gu, Robert M. Douglas, Joanne Matsubara, and Max S. Cynader
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1841–1844.
PMCID: PMC26523
Poly(ADP-ribosyl)ation basally activated by DNA strand breaks reflects glutamate–nitric oxide neurotransmission
Andrew A. Pieper, Seth Blackshaw, Emily E. Clements, Daniel J. Brat, David K. Krug, Alison J. White, Patricia Pinto-Garcia, Antonella Favit, Jill R. Conover, Solomon H. Snyder, and Ajay Verma
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1845–1850.
PMCID: PMC26524
Carbon monoxide and nitric oxide as coneurotransmitters in the enteric nervous system: Evidence from genomic deletion of biosynthetic enzymes
L. Xue, G. Farrugia, S. M. Miller, C. D. Ferris, S. H. Snyder, and J. H. Szurszewski
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1851–1855.
PMCID: PMC26525
Regulation of the phosphorylation of the dopamine- and cAMP-regulated phosphoprotein of 32 kDa in vivo by dopamine D1, dopamine D2, and adenosine A2A receptors
P. Svenningsson, M. Lindskog, C. Ledent, M. Parmentier, P. Greengard, B. B. Fredholm, and G. Fisone
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1856–1860.
PMCID: PMC26526
Role of the cAMP signaling pathway in the regulation of gonadotropin-releasing hormone secretion in GT1 cells
Elizabeth A. Vitalis, James L. Costantin, Pei-San Tsai, Hideya Sakakibara, Sreenivasan Paruthiyil, Taroh Iiri, Jean-Francois Martini, Michiyoshi Taga, Amy L. H. Choi, Andrew C. Charles, and Richard I. Weiner
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1861–1866. Published online 2000 February 4.
PMCID: PMC26527
Gamma rhythms and beta rhythms have different synchronization properties
N. Kopell, G. B. Ermentrout, M. A. Whittington, and R. D. Traub
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1867–1872.
PMCID: PMC26528
Circadian modulation of dopamine receptor responsiveness in Drosophila melanogaster
Rozi Andretic and Jay Hirsh
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1873–1878.
PMCID: PMC26529
Dopamine tone regulates D1 receptor trafficking and delivery in striatal neurons in dopamine transporter-deficient mice
Brigitte Dumartin, Mohamed Jaber, Francois Gonon, Marc G. Caron, Bruno Giros, and Bertrand Bloch
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1879–1884.
PMCID: PMC26530
Pharmacology
Induction of topoisomerase I cleavage complexes by 1-β-d-arabinofuranosylcytosine (ara-C) in vitro and in ara-C-treated cells
Philippe Pourquier, Yuji Takebayashi, Yoshimasa Urasaki, Christopher Gioffre, Glenda Kohlhagen, and Yves Pommier
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1885–1890.
PMCID: PMC26531
Physiology
Ascorbic acid acts as an inhibitory transmitter in the hypothalamus to inhibit stimulated luteinizing hormone-releasing hormone release by scavenging nitric oxide
Sharada Karanth, Wen H. Yu, Anna Walczewska, Claudio Mastronardi, and Samuel M. McCann
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1891–1896.
PMCID: PMC26532
Plant Biology
Isolation and characterization of powdery mildew-resistant Arabidopsis mutants
John Vogel and Shauna Somerville
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1897–1902. Published online 2000 February 4.
PMCID: PMC26533
UV light selectively coinduces supply pathways from primary metabolism and flavonoid secondary product formation in parsley
Elke Logemann, Annette Tavernaro, Wolfgang Schulz, Imre E. Somssich, and Klaus Hahlbrock
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1903–1907.
PMCID: PMC26534
Alternatively spliced N resistance gene transcripts: Their possible role in tobacco mosaic virus resistance
S. P. Dinesh-Kumar and Barbara J. Baker
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1908–1913. Published online 2000 January 31.
PMCID: PMC26535
The production of recombinant proteins in transgenic barley grains
Henriette Horvath, Jintai Huang, Oi Wong, Elizabeth Kohl, Thomas Okita, C. Gamini Kannangara, and Diter von Wettstein
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1914–1919. Published online 2000 February 4.
PMCID: PMC26536
The pollen determinant of self-incompatibility in Brassica campestris
Seiji Takayama, Hiroshi Shiba, Megumi Iwano, Hiroko Shimosato, Fang-Sik Che, Naoko Kai, Masao Watanabe, Go Suzuki, Kokichi Hinata, and Akira Isogai
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1920–1925. Published online 2000 February 4.
PMCID: PMC26537
A novel precursor recognition element facilitates posttranslational binding to the signal recognition particle in chloroplasts
Justin DeLille, Eric C. Peterson, Tracey Johnson, Misty Moore, Alicia Kight, and Ralph Henry
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1926–1931. Published online 2000 January 31.
PMCID: PMC26538
Elemental propagation of calcium signals in response-specific patterns determined by environmental stimulus strength
Helen Goddard, N. F. H. Manison, D. Tomos, and C. Brownlee
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1932–1937. Published online 2000 February 4.
PMCID: PMC26539
Population Biology
From the Cover:
The epidemiology of antibiotic resistance in hospitals: Paradoxes and prescriptions
Marc Lipsitch, Carl T. Bergstrom, and Bruce R. Levin
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1938–1943.
PMCID: PMC26540
Psychology
Parsing executive processes: Strategic vs. evaluative functions of the anterior cingulate cortex
Cameron S. Carter, Angus M. Macdonald, Matthew Botvinick, Laura L. Ross, V. Andrew Stenger, Douglas Noll, and Jonathan D. Cohen
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1944–1948.
PMCID: PMC26541
Correction
Correction
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1949. Published online 2000 February 4.
PMCID: PMC55972
Corrects: Rafael Maldonado, et al. Altered emotional and locomotor responses in mice deficient in the transcription factor CREM. Proc Natl Acad Sci U S A. 1999 November 23; 96(24): 14094–14099.
Retractions
Retraction
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1949.
PMCID: PMC55973
Retracts: J M Ritchie, et al. Sodium channels in the cytoplasm of Schwann cells. Proc Natl Acad Sci U S A. 1990 December; 87(23): 9290–9294.
Retraction
Proc Natl Acad Sci U S A. 2000 February 15; 97(4): 1949.
PMCID: PMC55974
Retracts: J M Ritchie, et al. Sodium channels in the cytoplasm of Schwann cells. Proc Natl Acad Sci U S A. 1990 December; 87(23): 9290–9294.
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