| | This journal provides immediate access to some articles. Colloquium Papers Variation and evolution in plants and
microorganisms: Toward a new synthesis 50 years after Stebbins Francisco J. Ayala, Walter M. Fitch, and Michael T. Clegg Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 6941–6944. PMCID: PMC34366 G. Ledyard Stebbins (1906–2000): An appreciation Peter H. Raven Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 6945–6946. PMCID: PMC34367 Solution to Darwin's dilemma: Discovery of the missing
Precambrian record of life J. William Schopf Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 6947–6953. PMCID: PMC34368 The chimeric eukaryote: Origin of the nucleus from the
karyomastigont in amitochondriate protists Lynn Margulis, Michael F. Dolan, and Ricardo Guerrero Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 6954–6959. PMCID: PMC34369 Dynamic evolution of plant mitochondrial genomes: Mobile genes
and introns and highly variable mutation rates Jeffrey D. Palmer, Keith L. Adams, Yangrae Cho, Christopher L. Parkinson, Yin-Long Qiu, and Keming Song Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 6960–6966. PMCID: PMC34370 The evolution of RNA viruses: A population genetics view Andrés Moya, Santiago F. Elena, Alma Bracho, Rosario Miralles, and Eladio Barrio Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 6967–6973. PMCID: PMC34371 Effects of passage history and sampling bias on phylogenetic
reconstruction of human influenza A evolution Robin M. Bush, Catherine B. Smith, Nancy J. Cox, and Walter M. Fitch Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 6974–6980. PMCID: PMC34372 Bacteria are different: Observations, interpretations,
speculations, and opinions about the mechanisms of adaptive
evolution in prokaryotes Bruce R. Levin and Carl T. Bergstrom Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 6981–6985. PMCID: PMC34373 Evolution of RNA editing in trypanosome mitochondria Larry Simpson, Otavio H. Thiemann, Nicholas J. Savill, Juan D. Alfonzo, and D. A. Maslov Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 6986–6993. PMCID: PMC34374 Population structure and recent evolution of
Plasmodium falciparum Stephen M. Rich and Francisco J. Ayala Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 6994–7001. PMCID: PMC34375 Transposons and genome evolution in plants Nina Fedoroff Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7002–7007. PMCID: PMC34376 Maize as a model for the evolution of plant nuclear genomes Brandon S. Gaut, Maud Le Thierry d'Ennequin, Andrew S. Peek, and Mark C. Sawkins Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7008–7015. PMCID: PMC34377 Flower color variation: A model for the experimental study
of evolution Michael T. Clegg and Mary L. Durbin Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7016–7023. PMCID: PMC34378 Gene genealogies and population variation in plants Barbara A. Schaal and Kenneth M. Olsen Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7024–7029. PMCID: PMC34379 Toward a new synthesis: Major evolutionary trends in the
angiosperm fossil record David Dilcher Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7030–7036. PMCID: PMC34380 Reproductive systems and evolution in vascular plants Kent E. Holsinger Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7037–7042. PMCID: PMC34381 Hybridization as a stimulus for the evolution of invasiveness
in plants? Norman C. Ellstrand and Kristina A. Schierenbeck Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7043–7050. PMCID: PMC34382 The role of genetic and genomic attributes in the success
of polyploids Pamela S. Soltis and Douglas E. Soltis Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7051–7057. PMCID: PMC34383 Commentaries A confederacy of bunches: Fundamentals and applications of a
self-associating protein Thomas J. Wandless Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 6921–6923. Published online 2000 June 13. PMCID: PMC34359 From the Cover: 50 million years of chordate evolution: Seeking the origins of
adaptive immunity Diana J. Laird, Anthony W. De Tomaso, Max D. Cooper, and Irving L. Weissman Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 6924–6926. PMCID: PMC34360 Genome, diversity, and origins: The Y chromosome as
a storyteller Jaume Bertranpetit Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 6927–6929. PMCID: PMC34361 Atherosclerosis: The emerging role of inflammation and the
CD40–CD40 ligand system Richard P. Phipps Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 6930–6932. PMCID: PMC34362 Natural T cells: Cranking up the immune system by prompt
cytokine secretion Sebastian Joyce Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 6933–6935. PMCID: PMC34363 Gelsolin and ADF/cofilin enhance the actin dynamics of
motile cells Frederick S. Southwick Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 6936–6938. PMCID: PMC34364 Protection of auditory receptors and neurons: Evidence for
interactive damage Allen F. Ryan Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 6939–6940. PMCID: PMC34365 Physical Sciences Applied Physical Sciences True optical resolution beyond the Rayleigh limit achieved by standing wave illumination Jan T. Frohn, Helmut F. Knapp, and Andreas Stemmer Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7232–7236. Published online 2000 June 6. PMCID: PMC16528 Chemistry Toward antibody-catalyzed hydrolysis of organophosphorus poisons Philippe Vayron, Pierre-Yves Renard, Frédéric Taran, Christophe Créminon, Yveline Frobert, Jacques Grassi, and Charles Mioskowski Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7058–7063. PMCID: PMC16498 Size exclusion chromatography does not require pores Donald E. Brooks, Charles A. Haynes, Doina Hritcu, Bradley M. Steels, and Werner Müller Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7064–7067. Published online 2000 June 13. PMCID: PMC16499 Statistics The asymptotic distribution of canonical correlations and variates in cointegrated models T. W. Anderson Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7068–7073. PMCID: PMC16500 Biological Sciences Applied Biological Sciences Museum specimen data predict crop damage by tropical rodents Víctor Sánchez-Cordero and Enrique Martínez-Meyer Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7074–7077. Published online 2000 June 6. PMCID: PMC16501 Suppressed T helper 2 immunity and prolonged survival of a nematode parasite in protein-malnourished mice Rebecca Ing, Zhong Su, Marilyn E. Scott, and Kristine G. Koski Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7078–7083. PMCID: PMC16502 Biochemistry Long-range order in the src SH3 folding transition state Viara P. Grantcharova, David S. Riddle, and David Baker Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7084–7089. PMCID: PMC16503 Pausing by bacterial RNA polymerase is mediated by mechanistically distinct classes of signals Irina Artsimovitch and Robert Landick Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7090–7095. PMCID: PMC16504 A ligand-reversible dimerization system for controlling protein–protein interactions Carl T. Rollins, Victor M. Rivera, Derek N. Woolfson, Terence Keenan, Marcos Hatada, Susan E. Adams, Lawrence J. Andrade, David Yaeger, Marie Rose van Schravendijk, Dennis A. Holt, Michael Gilman, and Tim Clackson Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7096–7101. Published online 2000 June 13. PMCID: PMC16505 Osmoregulated ABC-transport system of Lactococcus lactis senses water stress via changes in the physical state of the membrane Tiemen van der Heide and Bert Poolman Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7102–7106. PMCID: PMC16506 Structural hierarchy in erythrocruorin, the giant respiratory assemblage of annelids William E. Royer, Jr., Kristen Strand, Marin van Heel, and Wayne A. Hendrickson Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7107–7111. PMCID: PMC16507 Recombinant tobacco mosaic virus movement protein is an RNA-binding, α-helical membrane protein Laurence M. Brill, Rashmi S. Nunn, Theodore W. Kahn, Mark Yeager, and Roger N. Beachy Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7112–7117. Published online 2000 June 6. PMCID: PMC16508 Regulation of oxidative stress-induced calcium release by phosphatidylinositol 3-kinase and Bruton's tyrosine kinase in B cells Suofu Qin, Earl R. Stadtman, and P. Boon Chock Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7118–7123. Published online 2000 June 6. PMCID: PMC16509 Structure-based discovery of an organic compound that binds Bcl-2 protein and induces apoptosis of tumor cells Jia-Lun Wang, Dongxiang Liu, Zhi-Jia Zhang, Simei Shan, Xiaobing Han, Srinivasa M. Srinivasula, Carlo M. Croce, Emad S. Alnemri, and Ziwei Huang Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7124–7129. PMCID: PMC16510 A second calcineurin binding site on the NFAT regulatory domain Sheldon Park, Motonari Uesugi, and Gregory L. Verdine Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7130–7135. PMCID: PMC16511 A modular chitin-binding protease associated with hemocytes and hemolymph in the mosquito Anopheles gambiae Alberto Danielli, Thanasis G. Loukeris, Marie Lagueux, Hans-Michael Müller, Adam Richman, and Fotis C. Kafatos Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7136–7141. PMCID: PMC16512 Replication-induced transcription of an autorepressed gene: The replication initiator gene of plasmid P1 Suman Mukhopadhyay and Dhruba K. Chattoraj Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7142–7147. Published online 2000 June 6. PMCID: PMC16513 Stochastic focusing: Fluctuation-enhanced sensitivity of intracellular regulation Johan Paulsson, Otto G. Berg, and Måns Ehrenberg Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7148–7153. Published online 2000 June 13. PMCID: PMC16514 Biosynthesis of a major lipofuscin fluorophore in mice and humans with ABCR-mediated retinal and macular degeneration Nathan L. Mata, Jian Weng, and Gabriel H. Travis Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7154–7159. Published online 2000 June 13. PMCID: PMC16515 Differential ligand-dependent protein–protein interactions between nuclear receptors and a neuronal-specific cofactor Erich F. Greiner, Jutta Kirfel, Holger Greschik, Dongya Huang, Peter Becker, Josef P. Kapfhammer, and Roland Schüle Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7160–7165. PMCID: PMC16516 Regulation of the homeodomain CCAAT displacement/cut protein function by histone acetyltransferases p300/CREB-binding protein (CBP)-associated factor and CBP SiDe Li, Barbara Aufiero, R. Louis Schiltz, and Martin J. Walsh Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7166–7171. Published online 2000 June 13. PMCID: PMC16517 A downstream element in the human β-globin promoter: Evidence of extended sequence-specific transcription factor IID contacts Brian A. Lewis, Tae-Kyung Kim, and Stuart H. Orkin Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7172–7177. Published online 2000 June 6. PMCID: PMC16518 A role of transcriptional activators as antirepressors for the autoinhibitory activity of TATA box binding of transcription factor IID Tomohiro Kotani, Ken-ichi Banno, Mitsuhiko Ikura, Alan G. Hinnebusch, Yoshihiro Nakatani, Masashi Kawaichi, and Tetsuro Kokubo Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7178–7183. Published online 2000 June 13. PMCID: PMC16519 The C-terminal domain-phosphorylated IIO form of RNA polymerase II is associated with the transcription repressor NC2 (Dr1/DRAP1) and is required for transcription activation in human nuclear extracts Enrique Castaño, Petra Gross, Zhengxin Wang, Robert G. Roeder, and Thomas Oelgeschläger Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7184–7189. Published online 2000 June 13. PMCID: PMC16520 Adenosylcobalamin inhibits ribosome binding to btuB RNA Xiangwu Nou and Robert J. Kadner Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7190–7195. Published online 2000 June 13. PMCID: PMC16521 Characterization of bacteriophage T4-coordinated leading- and lagging-strand synthesis on a minicircle substrate Frank Salinas and Stephen J. Benkovic Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7196–7201. PMCID: PMC16522 The histone deacetylase-3 complex contains nuclear receptor corepressors Yu-Der Wen, Valentina Perissi, Lena M. Staszewski, Wen-Ming Yang, Anna Krones, Christopher K. Glass, Michael G. Rosenfeld, and Edward Seto Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7202–7207. PMCID: PMC16523 Selenium-dependent metabolism of purines: A selenium-dependent purine hydroxylase and xanthine dehydrogenase were purified from Clostridium purinolyticum and characterized William T. Self and Thressa C. Stadtman Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7208–7213. PMCID: PMC16524 Homologs of the yeast Sec complex subunits Sec62p and Sec63p are abundant proteins in dog pancreas microsomes Jens Tyedmers, Monika Lerner, Christiane Bies, Johanna Dudek, Markus H. Skowronek, Ingrid G. Haas, Nicole Heim, Wolfgang Nastainczyk, Jörg Volkmer, and Richard Zimmermann Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7214–7219. PMCID: PMC16525 Biophysics Measuring the rate of intramolecular contact formation in polypeptides Lisa J. Lapidus, William A. Eaton, and James Hofrichter Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7220–7225. PMCID: PMC16526 From the Cover: Interference fine structure and sarcomere length dependence of the axial x-ray pattern from active single muscle fibers M. Linari, G. Piazzesi, I. Dobbie, N. Koubassova, M. Reconditi, T. Narayanan, O. Diat, M. Irving, and V. Lombardi Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7226–7231. PMCID: PMC16527 True optical resolution beyond the Rayleigh limit achieved by standing wave illumination Jan T. Frohn, Helmut F. Knapp, and Andreas Stemmer Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7232–7236. Published online 2000 June 6. PMCID: PMC16528 Real-time light-driven dynamics of the fluorescence emission in single green fluorescent protein molecules M. F. Garcia-Parajo, G. M. J. Segers-Nolten, J.-A. Veerman, J. Greve, and N. F. van Hulst Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7237–7242. PMCID: PMC16529 Stepping rotation of F1-ATPase visualized through angle-resolved single-fluorophore imaging Kengo Adachi, Ryohei Yasuda, Hiroyuki Noji, Hiroyasu Itoh, Yoshie Harada, Masasuke Yoshida, and Kazuhiko Kinosita, Jr. Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7243–7247. Published online 2000 June 6. PMCID: PMC16530 DNA delivery by phage as a strategy for encapsulating toroidal condensates of arbitrary size into liposomes Olivier Lambert, Lucienne Letellier, William M. Gelbart, and Jean-Louis Rigaud Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7248–7253. Published online 2000 June 6. PMCID: PMC16531 Native topology determines force-induced unfolding pathways in globular proteins D. K. Klimov and D. Thirumalai Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7254–7259. PMCID: PMC16532 Cell Biology Chimeric green fluorescent protein-aequorin as bioluminescent Ca2+ reporters at the single-cell level Valérie Baubet, Hervé Le Mouellic, Anthony K. Campbell, Estelle Lucas-Meunier, Philippe Fossier, and Philippe Brûlet Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7260–7265. PMCID: PMC16533 Human centromere protein A (CENP-A) can replace histone H3 in nucleosome reconstitution in vitro Kinya Yoda, Satoshi Ando, Setsuo Morishita, Kenichi Houmura, Keiji Hashimoto, Kunio Takeyasu, and Tuneko Okazaki Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7266–7271. Published online 2000 June 6. PMCID: PMC16534 MEK kinase 1 gene disruption alters cell migration and c-Jun NH2-terminal kinase regulation but does not cause a measurable defect in NF-κB activation Toshiaki Yujiri, Margaret Ware, Christian Widmann, Ryan Oyer, David Russell, Edward Chan, Yuzuru Zaitsu, Penny Clarke, Kenneth Tyler, Yoshitomo Oka, Gary R. Fanger, Peter Henson, and Gary L. Johnson Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7272–7277. Published online 2000 June 13. PMCID: PMC16535 Interferon regulatory factor subcellular localization is determined by a bipartite nuclear localization signal in the DNA-binding domain and interaction with cytoplasmic retention factors Joe F. Lau, Jean-Patrick Parisien, and Curt M. Horvath Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7278–7283. PMCID: PMC16536 huASH1 protein, a putative transcription factor encoded by a human homologue of the Drosophila ash1 gene, localizes to both nuclei and cell–cell tight junctions Tatsuya Nakamura, Janna Blechman, Shinichiro Tada, Tanya Rozovskaia, Takahiro Itoyama, Florencia Bullrich, Alexander Mazo, Carlo M. Croce, Benjamin Geiger, and Eli Canaani Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7284–7289. PMCID: PMC16537 v-Crk activates the phosphoinositide 3-kinase/AKT pathway in transformation Tsuyoshi Akagi, Tomoyuki Shishido, Kazutaka Murata, and Hidesaburo Hanafusa Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7290–7295. Published online 2000 June 13. PMCID: PMC16538 Parathyroid hormone-related protein induces spontaneous osteoclast formation via a paracrine cascade Inaam A. Nakchbandi, Eleanor E. Weir, Karl L. Insogna, William M. Philbrick, and Arthur E. Broadus Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7296–7300. Published online 2000 May 30. PMCID: PMC16539 Identification and characterization of a p53 homologue in Drosophila melanogaster Shengkan Jin, Sebastian Martinek, Woo S. Joo, Jennifer R. Wortman, Nebojsa Mirkovic, Andrej Sali, Mark D. Yandell, Nikola P. Pavletich, Michael W. Young, and Arnold J. Levine Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7301–7306. PMCID: PMC16540 Inhibition of sonic hedgehog autoprocessing in cultured mammalian cells by sterol deprivation R. Kip Guy Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7307–7312. PMCID: PMC16541 GLUT8 is a glucose transporter responsible for insulin-stimulated
glucose uptake in the blastocyst Mary O. Carayannopoulos, Maggie M.-Y. Chi, Ying Cui, Joyce M. Pingsterhaus, Robert A. McKnight, Mike Mueckler, Sherin U. Devaskar, and Kelle H. Moley Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7313–7318. PMCID: PMC16542 Crosstalk pathway for inhibition of glucocorticoid-induced apoptosis by T cell receptor signaling Christina A. M. Jamieson and Keith R. Yamamoto Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7319–7324. PMCID: PMC16543 Developmental Biology A complex of iron and nucleic acid catabolites is a signal that triggers differentiation in a freshwater protozoan Harriett E. Smith-Somerville, John K. Hardman, Russell Timkovich, William J. Ray, Karen E. Rose, Phillip E. Ryals, Sandra H. Gibbons, and Howard E. Buhse, Jr. Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7325–7330. PMCID: PMC16544 DER signaling restricts the boundaries of the wing field during Drosophila development Antonio Baonza, Fernando Roch, and Enrique Martín-Blanco Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7331–7335. PMCID: PMC16545 Circadian rise in maternal glucocorticoid prevents pulmonary dysplasia in fetal mice with adrenal insufficiency Maria Venihaki, Allison Carrigan, Pieter Dikkes, and Joseph A. Majzoub Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7336–7341. PMCID: PMC16546 Isolation and characterization of BEN, a member of the TFII-I family of DNA-binding proteins containing distinct helix–loop–helix domains Dashzeveg Bayarsaihan and Frank H. Ruddle Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7342–7347. PMCID: PMC16547 The multitype zinc-finger protein U-shaped functions in heart cell specification in the Drosophila embryo Nancy Fossett, Qian Zhang, Kathleen Gajewski, Cheol Yong Choi, Yongsok Kim, and Robert A. Schulz Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7348–7353. PMCID: PMC16548 Evolution Population genetic implications from sequence variation in four Y chromosome genes Peidong Shen, Frank Wang, Peter A. Underhill, Claudia Franco, Wei-Hsien Yang, Adriane Roxas, Raphael Sung, Alice A. Lin, Richard W. Hyman, Douglas Vollrath, Ronald W. Davis, L. Luca Cavalli-Sforza, and Peter J. Oefner Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7354–7359. PMCID: PMC16549 Recent common ancestry of human Y chromosomes: Evidence from DNA
sequence data Russell Thomson, Jonathan K. Pritchard, Peidong Shen, Peter J. Oefner, and Marcus W. Feldman Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7360–7365. PMCID: PMC16550 Ultraviolet pigments in birds evolved from violet pigments by a single amino acid change Shozo Yokoyama, F. Bernhard Radlwimmer, and Nathan S. Blow Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7366–7371. PMCID: PMC16551 Derivation of the relationship between neutral mutation and fixation solely from the definition of selective neutrality Jun-ichi Tomizawa Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7372–7375. PMCID: PMC16552 Genetics Transposon diversity in Arabidopsis thaliana Quang Hien Le, Stephen Wright, Zhihui Yu, and Thomas Bureau Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7376–7381. PMCID: PMC16553 A bacterial two-hybrid selection system for studying protein–DNA and protein–protein interactions J. Keith Joung, Elizabeth I. Ramm, and Carl O. Pabo Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7382–7387. Published online 2000 June 13. PMCID: PMC16554 Precise gene localization by phenotypic assay of radiation hybrid cells John E. J. Rasko, Jean-Luc Battini, Leonid Kruglyak, David R. Cox, and A. Dusty Miller Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7388–7392. Published online 2000 June 13. PMCID: PMC16555 Transposon stability and a role for conjugational transfer in adaptive mutability V. G. Godoy and M. S. Fox Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7393–7398. Published online 2000 June 6. PMCID: PMC16556 The RecD subunit of the Escherichia coli RecBCD enzyme inhibits RecA loading, homologous recombination, and DNA repair Susan K. Amundsen, Andrew F. Taylor, and Gerald R. Smith Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7399–7404. Published online 2000 June 6. PMCID: PMC16557 Chromosome instability contributes to loss of heterozygosity in mice lacking p53 Changshun Shao, Li Deng, Octavian Henegariu, Li Liang, Peter J. Stambrook, and Jay A. Tischfield Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7405–7410. PMCID: PMC16558 Immunology Multiple differences in gene expression in regulatory Vα24JαQ T cells from identical twins discordant for type I diabetes S. Brian Wilson, Sally C. Kent, Heidi F. Horton, Andrew A. Hill, Paul L. Bollyky, David A. Hafler, Jack L. Strominger, and Michael C. Byrne Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7411–7416. Published online 2000 June 6. PMCID: PMC16559 Do lampreys have lymphocytes? The Spi evidence Seikou Shintani, Janos Terzic, Akie Sato, Mirna Saraga-Babic, Colm O'hUigin, Herbert Tichy, and Jan Klein Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7417–7422. Published online 2000 June 6. PMCID: PMC16560 Regulation of protein kinase CβI by two protein-tyrosine kinases, Btk and Syk Yuko Kawakami, Jiro Kitaura, Stephen E. Hartman, Clifford A. Lowell, Reuben P. Siraganian, and Toshiaki Kawakami Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7423–7428. Published online 2000 June 13. PMCID: PMC16561 Different sensitivity to receptor editing of B cells from mice hemizygous or homozygous for targeted Ig transgenes Uschi Braun, Klaus Rajewsky, and Roberta Pelanda Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7429–7434. Published online 2000 May 30. PMCID: PMC16562 B cell receptor expression level determines the fate of developing B lymphocytes: Receptor editing versus selection Valerie Kouskoff, Georges Lacaud, Kathryn Pape, Marc Retter, and David Nemazee Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7435–7439. Published online 2000 May 30. PMCID: PMC16563 Medical Sciences G protein-coupled receptor kinase-5 regulates thrombin-activated signaling in endothelial cells Chinnaswamy Tiruppathi, Weihong Yan, Raudel Sandoval, Tabassum Naqvi, Alexey N. Pronin, Jeffery L. Benovic, and Asrar B. Malik Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7440–7445. PMCID: PMC16564 T cell immunity to copolymer 1 confers neuroprotection on the damaged optic nerve: Possible therapy for optic neuropathies Jonathan Kipnis, Eti Yoles, Ziv Porat, Avi Cohen, Felix Mor, Michael Sela, Irun R. Cohen, and Michal Schwartz Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7446–7451. PMCID: PMC16565 Multiple sclerosis: Comparison of copolymer-1- reactive T cell lines from treated and untreated subjects reveals cytokine shift from T helper 1 to T helper 2 cells Oliver Neuhaus, Cinthia Farina, Alexander Yassouridis, Heinz Wiendl, Florian Then Bergh, Tatjana Dose, Hartmut Wekerle, and Reinhard Hohlfeld Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7452–7457. PMCID: PMC16566 Inhibition of CD40 signaling limits evolution of established atherosclerosis in mice U. Schönbeck, G. K. Sukhova, K. Shimizu, F. Mach, and P. Libby Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7458–7463. PMCID: PMC16567 Both early and delayed anti-CD40L antibody treatment induces a stable plaque phenotype Esther Lutgens, Kitty B. J. M. Cleutjens, Sylvia Heeneman, Victor E. Koteliansky, Linda C. Burkly, and Mat J. A. P. Daemen Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7464–7469. PMCID: PMC16568 The X-linked lymphoproliferative syndrome gene product SH2D1A associates with p62dok (Dok1) and activates NF-κB Bakary S. Sylla, Kerry Murphy, Ellen Cahir-McFarland, William S. Lane, George Mosialos, and Elliott Kieff Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7470–7475. Published online 2000 June 13. PMCID: PMC16569 Multidrug-resistance protein 5 is a multispecific organic anion transporter able to transport nucleotide analogs Jan Wijnholds, Carla A. A. M. Mol, Liesbeth van Deemter, Marcel de Haas, George L. Scheffer, Frank Baas, Jos H. Beijnen, Rik J. Scheper, Sigrid Hatse, Erik De Clercq, Jan Balzarini, and Piet Borst Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7476–7481. Published online 2000 June 6. PMCID: PMC16570 Peripheral infection with adenovirus causes unexpected long-term brain inflammation in animals injected intracranially with first-generation, but not with high-capacity, adenovirus vectors: Toward realistic long-term neurological gene therapy for chronic diseases Clare E. Thomas, Gudrun Schiedner, Stefan Kochanek, Maria G. Castro, and Pedro R. Löwenstein Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7482–7487. Published online 2000 June 6. PMCID: PMC16571 A macrophage receptor for apolipoprotein B48: Cloning, expression, and atherosclerosis Matthew L. Brown, M. P. Ramprasad, Patrick K. Umeda, Akira Tanaka, Yasushi Kobayashi, Teruo Watanabe, Hiroaki Shimoyamada, Wen-Lin Kuo, Ran Li, Ruiling Song, William A. Bradley, and Sandra H. Gianturco Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7488–7493. Published online 2000 June 13. PMCID: PMC16572 Tumor selective G2/M cell cycle arrest and apoptosis of epithelial and hematological malignancies by BBL22, a benzazepine Wenle Xia, Sydney Spector, Lys Hardy, Sumin Zhao, Alan Saluk, Lourdes Alemane, and Neil L. Spector Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7494–7499. PMCID: PMC16573 St. John's wort induces hepatic drug metabolism through activation of the pregnane X receptor Linda B. Moore, Bryan Goodwin, Stacey A. Jones, G. Bruce Wisely, Cosette J. Serabjit-Singh, Timothy M. Willson, Jon L. Collins, and Steven A. Kliewer Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7500–7502. Published online 2000 June 13. PMCID: PMC16574 Unarmed, tumor-specific monoclonal antibody effectively treats brain tumors John H. Sampson, Laura E. Crotty, Samson Lee, Gary E. Archer, David M. Ashley, Carol J. Wikstrand, Laura P. Hale, Clayton Small, Glenn Dranoff, Allan H. Friedman, Henry S. Friedman, and Darell D. Bigner Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7503–7508. Published online 2000 June 13. PMCID: PMC16575 Targeted disruption of an erythrocyte binding antigen in Plasmodium falciparum is associated with a switch toward a sialic acid-independent pathway of invasion Michael B. Reed, Sonia R. Caruana, Adrian H. Batchelor, Jennifer K. Thompson, Brendan S. Crabb, and Alan F. Cowman Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7509–7514. PMCID: PMC16576 Long-term enzyme correction and lipid reduction in multiple organs of primary and secondary transplanted Fabry mice receiving transduced bone marrow cells Toshihiro Takenaka, Gary J. Murray, Gangjian Qin, Jane M. Quirk, Toshio Ohshima, Pankaj Qasba, Kelly Clark, Ashok B. Kulkarni, Roscoe O. Brady, and Jeffrey A. Medin Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7515–7520. Published online 2000 June 6. PMCID: PMC16577 AML1/ETO-expressing nonleukemic stem cells in acute myelogenous leukemia with 8;21 chromosomal translocation Toshihiro Miyamoto, Irving L. Weissman, and Koichi Akashi Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7521–7526. PMCID: PMC16578 Microbiology Minimal exclusion of plasma membrane proteins during retroviral envelope formation Maria Hammarstedt, Kristina Wallengren, Ketil Winther Pedersen, Norbert Roos, and Henrik Garoff Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7527–7532. Published online 2000 June 13. PMCID: PMC16579 A Mr 34,000 proinflammatory outer membrane protein (oipA) of Helicobacter pylori Yoshio Yamaoka, Dong H. Kwon, and David Y. Graham Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7533–7538. Published online 2000 June 13. PMCID: PMC16580 A conserved amino acid sequence directing intracellular type III secretion by Salmonella typhimurium Edward A. Miao and Samuel I. Miller Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7539–7544. PMCID: PMC16581 Transferred DNA (T-DNA)-associated proteins of Agrobacterium tumefaciens are exported independently of virB Lishan Chen, Catherine M. Li, and Eugene W. Nester Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7545–7550. Published online 2000 June 13. PMCID: PMC16582 Neurobiology Steroid receptor coactivator-1 (SRC-1) mediates the development of sex-specific brain morphology and behavior Anthony P. Auger, Marc J. Tetel, and Margaret M. McCarthy Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7551–7555. PMCID: PMC16583 The role of spatiotemporal edges in visibility and visual masking Stephen L. Macknik, Susana Martinez-Conde, and Michael M. Haglund Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7556–7560. Published online 2000 June 13. PMCID: PMC16584 Antiapoptotic role of the p38 mitogen-activated protein kinase–myocyte enhancer factor 2 transcription factor pathway during neuronal differentiation Shu-ichi Okamoto, Dimitri Krainc, Katerina Sherman, and Stuart A. Lipton Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7561–7566. Published online 2000 June 13. PMCID: PMC16585 Noninvasive gene targeting to the brain Ningya Shi and William M. Pardridge Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7567–7572. Published online 2000 June 6. PMCID: PMC16586 Immunogold evidence that neuronal gap junctions in adult rat brain and spinal cord contain connexin-36 but not connexin-32 or connexin-43 J. E. Rash, W. A. Staines, T. Yasumura, D. Patel, C. S. Furman, G. L. Stelmack, and J. I. Nagy Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7573–7578. PMCID: PMC16587 Opiates inhibit neurogenesis in the adult rat hippocampus Amelia J. Eisch, Michel Barrot, Christina A. Schad, David W. Self, and Eric J. Nestler Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7579–7584. Published online 2000 June 6. PMCID: PMC16588 Negative regulation of central nervous system myelination by polysialylated-neural cell adhesion molecule P. Charles, M. P. Hernandez, B. Stankoff, M. S. Aigrot, C. Colin, G. Rougon, B. Zalc, and C. Lubetzki Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7585–7590. Published online 2000 June 6. PMCID: PMC16589 Attentional modulation of effective connectivity from V2 to V5/MT in humans K. J. Friston and C. Büchel Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7591–7596. PMCID: PMC16590 From the Cover: Complementary roles of neurotrophin 3 and a N-methyl-d-aspartate antagonist in the protection of noise and aminoglycoside-induced ototoxicity Maoli Duan, Karin Agerman, Patrik Ernfors, and Barbara Canlon Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7597–7602. PMCID: PMC16591 Coupling between changes in human brain temperature and oxidative metabolism during prolonged visual stimulation Dmitriy A. Yablonskiy, Joseph J. H. Ackerman, and Marcus E. Raichle Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7603–7608. PMCID: PMC16592 In vivo detection of amyloid plaques in a mouse model of Alzheimer's disease Daniel M. Skovronsky, Bin Zhang, Mei-Ping Kung, Hank F. Kung, John Q. Trojanowski, and Virginia M.-Y. Lee Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7609–7614. PMCID: PMC16593 Pharmacology Systematic identification of mutations that constitutively activate the angiotensin II type 1A receptor by screening a randomly mutated cDNA library with an original pharmacological bioassay Charles Parnot, Sabine Bardin, Stéphanie Miserey-Lenkei, Denis Guedin, Pierre Corvol, and Eric Clauser Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7615–7620. Published online 2000 June 13. PMCID: PMC16594 A substance P-opioid chimeric peptide as a unique nontolerance-forming analgesic Stacy E. Foran, Daniel B. Carr, Andrzej W. Lipkowski, Iwona Maszczynska, James E. Marchand, Aleksandra Misicka, Martin Beinborn, Alan S. Kopin, and Richard M. Kream Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7621–7626. Published online 2000 June 13. PMCID: PMC16595 Physiology T-type α1H Ca2+ channels are involved in Ca2+ signaling during terminal differentiation (fusion) of human myoblasts Philippe Bijlenga, Jian-Hui Liu, Estelle Espinos, Charles-Antoine Haenggeli, Jacqueline Fischer-Lougheed, Charles R. Bader, and Laurent Bernheim Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7627–7632. PMCID: PMC16596 Plant Biology Cloning of the Arabidopsis WIGGUM gene identifies a role for farnesylation in meristem development Eva C. Ziegelhoffer, Leonard J. Medrano, and Elliot M. Meyerowitz Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7633–7638. Published online 2000 June 6. PMCID: PMC16597 Pectin engineering: Modification of potato pectin by in vivo expression of an endo-1,4-β-d-galactanase Susanne Oxenbøll Sørensen, Markus Pauly, Max Bush, Michael Skjøt, Maureen C. McCann, Bernhard Borkhardt, and Peter Ulvskov Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7639–7644. Published online 2000 June 13. PMCID: PMC16598 Psychology Gamma and beta frequency oscillations in response to novel auditory stimuli: A comparison of human electroencephalogram (EEG) data with in vitro models Corinna Haenschel, Torsten Baldeweg, Rodney J. Croft, Miles Whittington, and John Gruzelier Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7645–7650. Published online 2000 June 13. PMCID: PMC16599 Dissociating the role of the medial and lateral anterior prefrontal cortex in human planning Etienne Koechlin, Gregory Corrado, Pietro Pietrini, and Jordan Grafman Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7651–7656. Published online 2000 June 13. PMCID: PMC16600 Enhanced learning after genetic overexpression of a brain growth protein Aryeh Routtenberg, Isabel Cantallops, Sal Zaffuto, Peter Serrano, and Uk Namgung Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7657–7662. PMCID: PMC16601 Social Sciences Anthropology From the Cover: Neanderthal diet at Vindija and Neanderthal predation: The evidence from stable isotopes Michael P. Richards, Paul B. Pettitt, Erik Trinkaus, Fred H. Smith, Maja Paunović, and Ivor Karavanić Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7663–7666. Published online 2000 June 13. PMCID: PMC16602 Economic Sciences The asymptotic distribution of canonical correlations and variates in cointegrated models T. W. Anderson Proc Natl Acad Sci U S A. 2000 June 20; 97(13): 7068–7073. PMCID: PMC16500 |