| | This journal provides immediate access to some articles. This Week in PNAS Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9101–9102. doi: 10.1073/iti2207104.PMCID: PMC1890450 Commentaries Après le déluge: Microbial landscape of New Orleans after the hurricanes Fred C. Dobbs Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9103–9104. Published online 2007 May 22. doi: 10.1073/pnas.0703191104.PMCID: PMC1890451 An RNA-making reactor for the origin of life Eugene V. Koonin Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9105–9106. Published online 2007 May 22. doi: 10.1073/pnas.0702699104.PMCID: PMC1890452 The beginning of the end: Links between ancient retroelements and modern telomerases M. Joan Curcio and Marlene Belfort Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9107–9108. Published online 2007 May 21. doi: 10.1073/pnas.0703224104.PMCID: PMC1890453 Completing a pathway to plant vitamin C synthesis James J. Giovannoni Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9109–9110. Published online 2007 May 21. doi: 10.1073/pnas.0703222104.PMCID: PMC1890454 Profile Profile of Daniel L. Hartl H. Davis Tinsley Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9111–9113. Published online 2007 May 22. doi: 10.1073/pnas.0703562104.PMCID: PMC1896087 High-Pressure Geoscience Special Feature Introductory Perspective The high-pressure dimension in earth and planetary science Ho-kwang Mao and Russell J. Hemley Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9114–9115. Published online 2007 May 22. doi: 10.1073/pnas.0703653104.PMCID: PMC1890455 Research Articles The role of mantle ultrapotassic fluids in diamond formation Yuri N. Palyanov, Vladislav S. Shatsky, Nikolay V. Sobolev, and Alexander G. Sokol Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9122–9127. Published online 2007 March 22. doi: 10.1073/pnas.0608134104.PMCID: PMC1890457 From the Cover: High-Pressure Geoscience Special Feature: A look inside of diamond-forming media in deep subduction zones Larissa F. Dobrzhinetskaya, Richard Wirth, and Harry W. Green, II Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9128–9132. Published online 2007 March 26. doi: 10.1073/pnas.0609161104.PMCID: PMC1890458 Shearing instabilities accompanying high-pressure phase transformations and the mechanics of deep earthquakes Harry W. Green, II Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9133–9138. Published online 2007 April 27. doi: 10.1073/pnas.0608045104.PMCID: PMC1890459 Insights into the nature of the transition zone from physically constrained inversion of long-period seismic data Fabio Cammarano and Barbara Romanowicz Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9139–9144. Published online 2007 May 2. doi: 10.1073/pnas.0608075104.PMCID: PMC1890460 Indoor seismology by probing the Earth's interior by using sound velocity measurements at high pressures and temperatures Baosheng Li and Robert C. Liebermann Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9145–9150. Published online 2007 May 7. doi: 10.1073/pnas.0608609104.PMCID: PMC1890461 Seismological support for the metastable superplume model, sharp features, and phase changes within the lower mantle Daoyuan Sun, Eh Tan, Don Helmberger, and Michael Gurnis Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9151–9155. Published online 2007 April 10. doi: 10.1073/pnas.0608160104.PMCID: PMC1890462 Topology of the postperovskite phase transition and mantle dynamics Marc Monnereau and David A. Yuen Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9156–9161. Published online 2007 May 3. doi: 10.1073/pnas.0608480104.PMCID: PMC1890463 Thermal expansion of iron-rich alloys and implications for the Earth's core Bin Chen, Lili Gao, Ken-ichi Funakoshi, and Jie Li Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9162–9167. Published online 2007 April 19. doi: 10.1073/pnas.0610474104.PMCID: PMC1890464 Dynamical stability of Fe-H in the Earth's mantle and core regions Eyvaz I. Isaev, Natalia V. Skorodumova, Rajeev Ahuja, Yuri K. Vekilov, and Börje Johansson Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9168–9171. Published online 2007 May 4. doi: 10.1073/pnas.0609701104.PMCID: PMC1890465 Achieving high-density states through shock-wave loading of precompressed samples Raymond Jeanloz, Peter M. Celliers, Gilbert W. Collins, Jon H. Eggert, Kanani K. M. Lee, R. Stewart McWilliams, Stéphanie Brygoo, and Paul Loubeyre Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9172–9177. Published online 2007 May 9. doi: 10.1073/pnas.0608170104.PMCID: PMC1890466 Dynamic pressure-induced dendritic and shock crystal growth of ice VI Geun Woo Lee, William J. Evans, and Choong-Shik Yoo Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9178–9181. Published online 2007 February 12. doi: 10.1073/pnas.0609390104.PMCID: PMC1890467 Toward an internally consistent pressure scale Yingwei Fei, Angele Ricolleau, Mark Frank, Kenji Mibe, Guoyin Shen, and Vitali Prakapenka Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9182–9186. Published online 2007 May 2. doi: 10.1073/pnas.0609013104.PMCID: PMC1890468 Application of calorimetry on a chip to high-pressure materials Alexandra Navrotsky, Maria Dorogova, Frances Hellman, David W. Cooke, Barry L. Zink, Charles E. Lesher, Juliana Boerio-Goates, Brian F. Woodfield, and Brian Lang Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9187–9191. Published online 2007 May 8. doi: 10.1073/pnas.0608165104.PMCID: PMC1890469 Pressure dependence of thermal transport properties Anne M. Hofmeister Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9192–9197. Published online 2007 February 13. doi: 10.1073/pnas.0610734104.PMCID: PMC1890470 Perspective Very high-pressure orogenic garnet peridotites J. G. Liou, R. Y. Zhang, and W. G. Ernst Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9116–9121. Published online 2007 May 22. doi: 10.1073/pnas.0607300104.PMCID: PMC1890456 Physical Sciences Applied Mathematics Density-equalizing Euclidean minimum spanning trees for the detection of all disease cluster shapes Shannon C. Wieland, John S. Brownstein, Bonnie Berger, and Kenneth D. Mandl Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9404–9409. Published online 2007 May 22. doi: 10.1073/pnas.0609457104.PMCID: PMC1890507 Applied Physical Sciences Ultra-small-sample molecular structure detection using microslot waveguide nuclear spin resonance Yael Maguire, Isaac L. Chuang, Shuguang Zhang, and Neil Gershenfeld Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9198–9203. Published online 2007 May 15. doi: 10.1073/pnas.0703001104.PMCID: PMC1868656 Chemistry Experimental observation of quantum oscillation of surface chemical reactivities Xucun Ma, Peng Jiang, Yun Qi, Jinfeng Jia, Yu Yang, Wenhui Duan, Wei-Xue Li, Xinhe Bao, S. B. Zhang, and Qi-Kun Xue Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9204–9208. Published online 2007 May 21. doi: 10.1073/pnas.0611024104.PMCID: PMC1874227 High-resolution scanning tunneling microscopy imaging of mesoscopic graphene sheets on an insulating surface Elena Stolyarova, Kwang Taeg Rim, Sunmin Ryu, Janina Maultzsch, Philip Kim, Louis E. Brus, Tony F. Heinz, Mark S. Hybertsen, and George W. Flynn Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9209–9212. Published online 2007 May 21. doi: 10.1073/pnas.0703337104.PMCID: PMC1874226 Engineering Effect of plasmodial RESA protein on deformability of human red blood cells harboring Plasmodium falciparum J. P. Mills, M. Diez-Silva, D. J. Quinn, M. Dao, M. J. Lang, K. S. W. Tan, C. T. Lim, G. Milon, P. H. David, O. Mercereau-Puijalon, S. Bonnefoy, and S. Suresh Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9213–9217. Published online 2007 May 21. doi: 10.1073/pnas.0703433104.PMCID: PMC1874230 Geology The role of mantle ultrapotassic fluids in diamond formation Yuri N. Palyanov, Vladislav S. Shatsky, Nikolay V. Sobolev, and Alexander G. Sokol Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9122–9127. Published online 2007 March 22. doi: 10.1073/pnas.0608134104.PMCID: PMC1890457 From the Cover: High-Pressure Geoscience Special Feature: A look inside of diamond-forming media in deep subduction zones Larissa F. Dobrzhinetskaya, Richard Wirth, and Harry W. Green, II Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9128–9132. Published online 2007 March 26. doi: 10.1073/pnas.0609161104.PMCID: PMC1890458 Holocene morphogenesis of Alexander the Great's isthmus at Tyre in Lebanon Nick Marriner, Christophe Morhange, and Samuel Meulé Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9218–9223. Published online 2007 May 18. doi: 10.1073/pnas.0611325104.PMCID: PMC1890475 From the Cover: Extreme accumulation of nucleotides in simulated hydrothermal pore systems Philipp Baaske, Franz M. Weinert, Stefan Duhr, Kono H. Lemke, Michael J. Russell, and Dieter Braun Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9346–9351. Published online 2007 May 9. doi: 10.1073/pnas.0609592104.PMCID: PMC1890497 Geophysics Shearing instabilities accompanying high-pressure phase transformations and the mechanics of deep earthquakes Harry W. Green, II Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9133–9138. Published online 2007 April 27. doi: 10.1073/pnas.0608045104.PMCID: PMC1890459 Insights into the nature of the transition zone from physically constrained inversion of long-period seismic data Fabio Cammarano and Barbara Romanowicz Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9139–9144. Published online 2007 May 2. doi: 10.1073/pnas.0608075104.PMCID: PMC1890460 Indoor seismology by probing the Earth's interior by using sound velocity measurements at high pressures and temperatures Baosheng Li and Robert C. Liebermann Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9145–9150. Published online 2007 May 7. doi: 10.1073/pnas.0608609104.PMCID: PMC1890461 Seismological support for the metastable superplume model, sharp features, and phase changes within the lower mantle Daoyuan Sun, Eh Tan, Don Helmberger, and Michael Gurnis Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9151–9155. Published online 2007 April 10. doi: 10.1073/pnas.0608160104.PMCID: PMC1890462 Topology of the postperovskite phase transition and mantle dynamics Marc Monnereau and David A. Yuen Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9156–9161. Published online 2007 May 3. doi: 10.1073/pnas.0608480104.PMCID: PMC1890463 Thermal expansion of iron-rich alloys and implications for the Earth's core Bin Chen, Lili Gao, Ken-ichi Funakoshi, and Jie Li Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9162–9167. Published online 2007 April 19. doi: 10.1073/pnas.0610474104.PMCID: PMC1890464 Dynamical stability of Fe-H in the Earth's mantle and core regions Eyvaz I. Isaev, Natalia V. Skorodumova, Rajeev Ahuja, Yuri K. Vekilov, and Börje Johansson Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9168–9171. Published online 2007 May 4. doi: 10.1073/pnas.0609701104.PMCID: PMC1890465 Dynamic pressure-induced dendritic and shock crystal growth of ice VI Geun Woo Lee, William J. Evans, and Choong-Shik Yoo Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9178–9181. Published online 2007 February 12. doi: 10.1073/pnas.0609390104.PMCID: PMC1890467 Toward an internally consistent pressure scale Yingwei Fei, Angele Ricolleau, Mark Frank, Kenji Mibe, Guoyin Shen, and Vitali Prakapenka Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9182–9186. Published online 2007 May 2. doi: 10.1073/pnas.0609013104.PMCID: PMC1890468 Application of calorimetry on a chip to high-pressure materials Alexandra Navrotsky, Maria Dorogova, Frances Hellman, David W. Cooke, Barry L. Zink, Charles E. Lesher, Juliana Boerio-Goates, Brian F. Woodfield, and Brian Lang Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9187–9191. Published online 2007 May 8. doi: 10.1073/pnas.0608165104.PMCID: PMC1890469 Pressure dependence of thermal transport properties Anne M. Hofmeister Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9192–9197. Published online 2007 February 13. doi: 10.1073/pnas.0610734104.PMCID: PMC1890470 Physics Achieving high-density states through shock-wave loading of precompressed samples Raymond Jeanloz, Peter M. Celliers, Gilbert W. Collins, Jon H. Eggert, Kanani K. M. Lee, R. Stewart McWilliams, Stéphanie Brygoo, and Paul Loubeyre Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9172–9177. Published online 2007 May 9. doi: 10.1073/pnas.0608170104.PMCID: PMC1890466 Stochastic fluctuations in metabolic pathways Erel Levine and Terence Hwa Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9224–9229. Published online 2007 May 18. doi: 10.1073/pnas.0610987104.PMCID: PMC1890476 Selectivity in K+ channels is due to topological control of the permeant ion's coordinated state David L. Bostick and Charles L. Brooks, III Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9260–9265. Published online 2007 May 22. doi: 10.1073/pnas.0700554104.PMCID: PMC1890482 Biological Sciences Biochemistry Broadly neutralizing anti-hepatitis B virus antibody reveals a complementarity determining region H3 lid-opening mechanism Seung-Wook Chi, Cheol-Young Maeng, Seung Jun Kim, Mee Sook Oh, Chun Jeih Ryu, Sang Jick Kim, Kyou-Hoon Han, Hyo Jeong Hong, and Seong Eon Ryu Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9230–9235. Published online 2007 May 17. doi: 10.1073/pnas.0701279104.PMCID: PMC1890477 Structural insight into dimeric interaction of the SARAH domains from Mst1 and RASSF family proteins in the apoptosis pathway Eunha Hwang, Kyoung-Seok Ryu, Kimmo Pääkkönen, Peter Güntert, Hae-Kap Cheong, Dae-Sik Lim, Jie-Oh Lee, Young Ho Jeon, and Chaejoon Cheong Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9236–9241. Published online 2007 May 21. doi: 10.1073/pnas.0610716104.PMCID: PMC1890478 Development of autoimmunity in mice lacking DNA topoisomerase 3β Kelvin Y. Kwan, Rebecca J. Greenwald, Subhasis Mohanty, Arlene H. Sharpe, Albert C. Shaw, and James C. Wang Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9242–9247. Published online 2007 May 21. doi: 10.1073/pnas.0703587104.PMCID: PMC1890479 Functional characterization of human PFTK1 as a cyclin-dependent kinase Fang Shu, Shun Lv, Yan Qin, Xinlu Ma, Xin Wang, Xiaozhong Peng, Ying Luo, Bing-e Xu, Xiaoqing Sun, and Jun Wu Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9248–9253. Published online 2007 May 21. doi: 10.1073/pnas.0703327104.PMCID: PMC1890480 A connecting hinge represses the activity of endothelial nitric oxide synthase Mohammad Mahfuzul Haque, Koustubh Panda, Jesús Tejero, Kulwant S. Aulak, Mohammed Adam Fadlalla, Anthony T. Mustovich, and Dennis J. Stuehr Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9254–9259. Published online 2007 May 21. doi: 10.1073/pnas.0700332104.PMCID: PMC1890481 Biophysics Stochastic fluctuations in metabolic pathways Erel Levine and Terence Hwa Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9224–9229. Published online 2007 May 18. doi: 10.1073/pnas.0610987104.PMCID: PMC1890476 Selectivity in K+ channels is due to topological control of the permeant ion's coordinated state David L. Bostick and Charles L. Brooks, III Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9260–9265. Published online 2007 May 22. doi: 10.1073/pnas.0700554104.PMCID: PMC1890482 Nanoprobes with near-infrared persistent luminescence for in vivo imaging Quentin le Masne de Chermont, Corinne Chanéac, Johanne Seguin, Fabienne Pellé, Serge Maîtrejean, Jean-Pierre Jolivet, Didier Gourier, Michel Bessodes, and Daniel Scherman Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9266–9271. Published online 2007 May 21. doi: 10.1073/pnas.0702427104.PMCID: PMC1890483 The helix–turn–helix motif as an ultrafast independently folding domain: The pathway of folding of Engrailed homeodomain Tomasz L. Religa, Christopher M. Johnson, Dung M. Vu, Scott H. Brewer, R. Brian Dyer, and Alan R. Fersht Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9272–9277. Published online 2007 May 18. doi: 10.1073/pnas.0703434104.PMCID: PMC1890484 Single-molecule force spectroscopy reveals a mechanically stable protein fold and the rational tuning of its mechanical stability Deepak Sharma, Ognjen Perisic, Qing Peng, Yi Cao, Canaan Lam, Hui Lu, and Hongbin Li Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9278–9283. Published online 2007 May 21. doi: 10.1073/pnas.0700351104.PMCID: PMC1890485 Characterization of actomyosin bond properties in intact skeletal muscle by force spectroscopy Barbara Colombini, M. Angela Bagni, Giovanni Romano, and Giovanni Cecchi Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9284–9289. Published online 2007 May 21. doi: 10.1073/pnas.0611070104.PMCID: PMC1890486 Cell Biology Effect of plasmodial RESA protein on deformability of human red blood cells harboring Plasmodium falciparum J. P. Mills, M. Diez-Silva, D. J. Quinn, M. Dao, M. J. Lang, K. S. W. Tan, C. T. Lim, G. Milon, P. H. David, O. Mercereau-Puijalon, S. Bonnefoy, and S. Suresh Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9213–9217. Published online 2007 May 21. doi: 10.1073/pnas.0703433104.PMCID: PMC1874230 Pph3–Psy2 is a phosphatase complex required for Rad53 dephosphorylation and replication fork restart during recovery from DNA damage Bryan M. O'Neill, Shawn J. Szyjka, Ewa T. Lis, Aaron O. Bailey, John R. Yates, III, Oscar M. Aparicio, and Floyd E. Romesberg Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9290–9295. Published online 2007 May 21. doi: 10.1073/pnas.0703252104.PMCID: PMC1890487 Polarity reveals intrinsic cell chirality Jingsong Xu, Alexandra Van Keymeulen, Nicole M. Wakida, Pete Carlton, Michael W. Berns, and Henry R. Bourne Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9296–9300. Published online 2007 May 17. doi: 10.1073/pnas.0703153104.PMCID: PMC1890488 Live-cell imaging reveals sequential oligomerization and local plasma membrane targeting of stromal interaction molecule 1 after Ca2+ store depletion Jen Liou, Marc Fivaz, Takanari Inoue, and Tobias Meyer Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9301–9306. Published online 2007 May 21. doi: 10.1073/pnas.0702866104.PMCID: PMC1890489 Early sorting of inner nuclear membrane proteins is conserved Sharon C. Braunagel, Shawn T. Williamson, Qi Ding, Xiaogiang Wu, and Max D. Summers Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9307–9312. Published online 2007 May 21. doi: 10.1073/pnas.0703186104.PMCID: PMC1874229 Developmental Biology β-Catenin directly regulates Islet1 expression in cardiovascular progenitors and is required for multiple aspects of cardiogenesis Lizhu Lin, Li Cui, Wenlai Zhou, Daniel Dufort, Xiaoxue Zhang, Chen-Leng Cai, Lei Bu, Lei Yang, Jody Martin, Rolf Kemler, Michael G. Rosenfeld, Ju Chen, and Sylvia M. Evans Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9313–9318. Published online 2007 May 22. doi: 10.1073/pnas.0700923104.PMCID: PMC1890491 Canonical Wnt signaling functions in second heart field to promote right ventricular growth Di Ai, Xueyao Fu, Jun Wang, Mei-Fang Lu, Li Chen, Antonio Baldini, William H. Klein, and James F. Martin Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9319–9324. Published online 2007 May 22. doi: 10.1073/pnas.0701212104.PMCID: PMC1890492 A sperm-specific Na+/H+ exchanger (sNHE) is critical for expression and in vivo bicarbonate regulation of the soluble adenylyl cyclase (sAC) Dan Wang, Jie Hu, I. Alexandru Bobulescu, Timothy A. Quill, Paul McLeroy, Orson W. Moe, and David L. Garbers Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9325–9330. Published online 2007 May 17. doi: 10.1073/pnas.0611296104.PMCID: PMC1890493 Ecology Acoustic mimicry in a predator–prey interaction Jesse R. Barber and William E. Conner Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9331–9334. Published online 2007 May 21. doi: 10.1073/pnas.0703627104.PMCID: PMC1890494 Parasites alter community structure Chelsea L. Wood, James E. Byers, Kathryn L. Cottingham, Irit Altman, Megan J. Donahue, and April M. H. Blakeslee Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9335–9339. Published online 2007 May 18. doi: 10.1073/pnas.0700062104.PMCID: PMC1890495 Tropical birds have a slow pace of life Popko Wiersma, Agustí Muñoz-Garcia, Amy Walker, and Joseph B. Williams Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9340–9345. Published online 2007 May 21. doi: 10.1073/pnas.0702212104.PMCID: PMC1890496 Evolution From the Cover: Extreme accumulation of nucleotides in simulated hydrothermal pore systems Philipp Baaske, Franz M. Weinert, Stefan Duhr, Kono H. Lemke, Michael J. Russell, and Dieter Braun Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9346–9351. Published online 2007 May 9. doi: 10.1073/pnas.0609592104.PMCID: PMC1890497 From the Cover: Telomere-associated endonuclease-deficient Penelope-like retroelements in diverse eukaryotes Eugene A. Gladyshev and Irina R. Arkhipova Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9352–9357. Published online 2007 May 4. doi: 10.1073/pnas.0702741104.PMCID: PMC1890498 The origin of modern metabolic networks inferred from phylogenomic analysis of protein architecture Gustavo Caetano-Anollés, Hee Shin Kim, and Jay E. Mittenthal Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9358–9363. Published online 2007 May 21. doi: 10.1073/pnas.0701214104.PMCID: PMC1890499 Cryptic speciation in a model invertebrate chordate Luigi Caputi, Nikos Andreakis, Francesco Mastrototaro, Paola Cirino, Mauro Vassillo, and Paolo Sordino Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9364–9369. Published online 2007 May 21. doi: 10.1073/pnas.0610158104.PMCID: PMC1890500 An early infructescence Hyrcantha decussata (comb. nov.) from the Yixian Formation in northeastern China David L. Dilcher, Ge Sun, Qiang Ji, and Hongqi Li Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9370–9374. Published online 2007 May 22. doi: 10.1073/pnas.0703497104.PMCID: PMC1890501 Evolutionary and geographical history of the Leishmania donovani complex with a revision of current taxonomy Julius Lukeš, Isabel L. Mauricio, Gabriele Schönian, Jean-Claude Dujardin, Ketty Soteriadou, Jean-Pierre Dedet, Katrin Kuhls, K. Wilber Quispe Tintaya, Milan Jirků, Eva Chocholová, Christos Haralambous, Francine Pratlong, Miroslav Oborník, Aleš Horák, Francisco J. Ayala, and Michael A. Miles Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9375–9380. Published online 2007 May 21. doi: 10.1073/pnas.0703678104.PMCID: PMC1890502 Genetics A genome-wide RNA interference screen identifies putative chromatin regulators essential for E2F repression Jianrong Lu, Marie-Laure Ruhf, Norbert Perrimon, and Philip Leder Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9381–9386. Published online 2007 May 17. doi: 10.1073/pnas.0610279104.PMCID: PMC1890503 Multigene amplification and massively parallel sequencing for cancer mutation discovery Fredrik Dahl, Johan Stenberg, Simon Fredriksson, Katrina Welch, Michael Zhang, Mats Nilsson, David Bicknell, Walter F. Bodmer, Ronald W. Davis, and Hanlee Ji Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9387–9392. Published online 2007 May 17. doi: 10.1073/pnas.0702165104.PMCID: PMC1871563 Immunology Multimerized T cell epitopes protect from experimental autoimmune diabetes by inducing dominant tolerance Eliane Piaggio, Lennart T. Mars, Cécile Cassan, Julie Cabarrocas, Maria Hofstätter, Sabine Desbois, Emilie Bergereau, Olaf Rötzschke, Kirsten Falk, and Roland S. Liblau Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9393–9398. Published online 2007 May 16. doi: 10.1073/pnas.0610423104.PMCID: PMC1890505 Functional identification of the hematopoietic stem cell niche in the ventral domain of the embryonic dorsal aorta Samir Taoudi and Alexander Medvinsky Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9399–9403. Published online 2007 May 17. doi: 10.1073/pnas.0700984104.PMCID: PMC1890506 Medical Sciences Density-equalizing Euclidean minimum spanning trees for the detection of all disease cluster shapes Shannon C. Wieland, John S. Brownstein, Bonnie Berger, and Kenneth D. Mandl Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9404–9409. Published online 2007 May 22. doi: 10.1073/pnas.0609457104.PMCID: PMC1890507 Heat shock-inducible Cre/Lox approaches to induce diverse types of tumors and hyperplasia in transgenic zebrafish Xiuning Le, David M. Langenau, Matthew D. Keefe, Jeffery L. Kutok, Donna S. Neuberg, and Leonard I. Zon Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9410–9415. Published online 2007 May 21. doi: 10.1073/pnas.0611302104.PMCID: PMC1890508 Polycystic disease caused by deficiency in xylosyltransferase 2, an initiating enzyme of glycosaminoglycan biosynthesis Eduard Condac, Robert Silasi-Mansat, Stanley Kosanke, Trenton Schoeb, Rheal Towner, Florea Lupu, Richard D. Cummings, and Myron E. Hinsdale Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9416–9421. Published online 2007 May 21. doi: 10.1073/pnas.0700908104.PMCID: PMC1890509 Monoclonal antibody-mediated enhancement of dengue virus infection in vitro and in vivo and strategies for prevention Ana P. Goncalvez, Ronald E. Engle, Marisa St. Claire, Robert H. Purcell, and Ching-Juh Lai Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9422–9427. Published online 2007 May 15. doi: 10.1073/pnas.0703498104.PMCID: PMC1868655 Vitamin D receptor is essential for normal keratinocyte stem cell function Luisella Cianferotti, Megan Cox, Kristi Skorija, and Marie B. Demay Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9428–9433. Published online 2007 May 17. doi: 10.1073/pnas.0702884104.PMCID: PMC1890511 Common genetic variation within the Low-Density Lipoprotein Receptor-Related Protein 6 and late-onset Alzheimer's disease Giancarlo V. De Ferrari, Andreas Papassotiropoulos, Travis Biechele, Fabienne Wavrant De-Vrieze, Miguel E. Avila, Michael B. Major, Amanda Myers, Katia Sáez, Juan P. Henríquez, Alice Zhao, M. Axel Wollmer, Roger M. Nitsch, Christoph Hock, Chris M. Morris, John Hardy, and Randall T. Moon Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9434–9439. Published online 2007 May 21. doi: 10.1073/pnas.0603523104.PMCID: PMC1890512 Age-related changes in adaptation to severe anemia in childhood in developing countries Angela O'Donnell, A. Premawardhena, M. Arambepola, S. J. Allen, T. E. A. Peto, C. A. Fisher, D. C. Rees, Nancy F. Olivieri, and D. J. Weatherall Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9440–9444. Published online 2007 May 17. doi: 10.1073/pnas.0703424104.PMCID: PMC1890513 Metabolic targeting of hypoxia and HIF1 in solid tumors can enhance cytotoxic chemotherapy Rob A. Cairns, Ioanna Papandreou, Patrick D. Sutphin, and Nicholas C. Denko Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9445–9450. Published online 2007 May 15. doi: 10.1073/pnas.0611662104.PMCID: PMC1890514 Microbiology Tracking the in vivo evolution of multidrug resistance in Staphylococcus aureus by whole-genome sequencing Michael M. Mwangi, Shang Wei Wu, Yanjiao Zhou, Krzysztof Sieradzki, Herminia de Lencastre, Paul Richardson, David Bruce, Edward Rubin, Eugene Myers, Eric D. Siggia, and Alexander Tomasz Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9451–9456. Published online 2007 May 21. doi: 10.1073/pnas.0609839104.PMCID: PMC1890515 Evidence for emergence of diverse polioviruses from C-cluster coxsackie A viruses and implications for global poliovirus eradication Ping Jiang, Johan A. J. Faase, Hidemi Toyoda, Aniko Paul, Eckard Wimmer, and Alexander E. Gorbalenya Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9457–9462. Published online 2007 May 21. doi: 10.1073/pnas.0700451104.PMCID: PMC1874223 Sequential structures provide insights into the fidelity of RNA replication Cristina Ferrer-Orta, Armando Arias, Rosa Pérez-Luque, Cristina Escarmís, Esteban Domingo, and Nuria Verdaguer Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9463–9468. Published online 2007 May 21. doi: 10.1073/pnas.0700518104.PMCID: PMC1890517 Gram-positive three-component antimicrobial peptide-sensing system Min Li, Yuping Lai, Amer E. Villaruz, David J. Cha, Daniel E. Sturdevant, and Michael Otto Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9469–9474. Published online 2007 May 21. doi: 10.1073/pnas.0702159104.PMCID: PMC1890518 Protection of the glutamate pool concentration in enteric bacteria Dalai Yan Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9475–9480. Published online 2007 May 21. doi: 10.1073/pnas.0703360104.PMCID: PMC1890519 Interaction between innate immune cells and a bacterial type III secretion system in mutualistic and pathogenic associations Adam C. Silver, Yoshitomo Kikuchi, Amin A. Fadl, Jian Sha, Ashok K. Chopra, and Joerg Graf Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9481–9486. Published online 2007 May 17. doi: 10.1073/pnas.0700286104.PMCID: PMC1890520 Neuroscience Functional neuroimaging and behavioral correlates of capacity decline in visual short-term memory after sleep deprivation Michael W. L. Chee and Y. M. Lisa Chuah Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9487–9492. Published online 2007 May 21. doi: 10.1073/pnas.0610712104.PMCID: PMC1874228 Neural signature of fictive learning signals in a sequential investment task Terry Lohrenz, Kevin McCabe, Colin F. Camerer, and P. Read Montague Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9493–9498. Published online 2007 May 22. doi: 10.1073/pnas.0608842104.PMCID: PMC1876162 Rapid enhancement of visual cortical response discriminability by microstimulation of the frontal eye field Katherine M. Armstrong and Tirin Moore Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9499–9504. Published online 2007 May 21. doi: 10.1073/pnas.0701104104.PMCID: PMC1890523 Combination brain and systemic injections of AAV provide maximal functional and survival benefits in the Niemann-Pick mouse Marco A. Passini, Jie Bu, Jonathan A. Fidler, Robin J. Ziegler, Joseph W. Foley, James C. Dodge, Wendy W. Yang, Jennifer Clarke, Tatyana V. Taksir, Denise A. Griffiths, Michael A. Zhao, Catherine R. O'Riordan, Edward H. Schuchman, Lamya S. Shihabuddin, and Seng H. Cheng Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9505–9510. Published online 2007 May 21. doi: 10.1073/pnas.0703509104.PMCID: PMC1874225 Roles of heat-shock protein 90 in maintaining and facilitating the neurodegenerative phenotype in tauopathies Wenjie Luo, Fei Dou, Anna Rodina, Sophorn Chip, Joungnam Kim, Qi Zhao, Kamalika Moulick, Julia Aguirre, Nian Wu, Paul Greengard, and Gabriela Chiosis Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9511–9516. Published online 2007 May 21. doi: 10.1073/pnas.0701055104.PMCID: PMC1890525 Physiology Inhibitor of growth 4 (ING4) is up-regulated by a low K intake and suppresses renal outer medullary K channels (ROMK) by MAPK stimulation Xin Zhang, Dao-Hong Lin, Yan Jin, Ke-Sheng Wang, Yan Zhang, Elisa Babilonia, ZhiJian Wang, Zhiqin Wang, Gerhard Giebisch, Ze-Guang Han, and Wen-Hui Wang Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9517–9522. Published online 2007 May 17. doi: 10.1073/pnas.0703383104.PMCID: PMC1890526 In situ measurement of the electrical potential across the phagosomal membrane using FRET and its contribution to the proton-motive force Benjamin E. Steinberg, Nicolas Touret, Mariana Vargas-Caballero, and Sergio Grinstein Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9523–9528. Published online 2007 May 21. doi: 10.1073/pnas.0700783104.PMCID: PMC1890527 Mismatched pre- and postnatal nutrition leads to cardiovascular dysfunction and altered renal function in adulthood Jane K. Cleal, Kirsten R. Poore, Julian P. Boullin, Omar Khan, Ryan Chau, Oliver Hambidge, Christopher Torrens, James P. Newman, Lucilla Poston, David E. Noakes, Mark A. Hanson, and Lucy R. Green Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9529–9533. Published online 2007 May 4. doi: 10.1073/pnas.0610373104.PMCID: PMC1890528 Plant Biology From the Cover: The missing step of the l-galactose pathway of ascorbate biosynthesis in plants, an l-galactose guanyltransferase, increases leaf ascorbate content William A. Laing, Michele A. Wright, Janine Cooney, and Sean M. Bulley Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9534–9539. Published online 2007 May 7. doi: 10.1073/pnas.0701625104.PMCID: PMC1866185 Population Biology Analyzing the control of mosquito-borne diseases by a dominant lethal genetic system Michael P. Atkinson, Zheng Su, Nina Alphey, Luke S. Alphey, Paul G. Coleman, and Lawrence M. Wein Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9540–9545. Published online 2007 May 22. doi: 10.1073/pnas.0610685104.PMCID: PMC1876161 Social Sciences Anthropology Holocene morphogenesis of Alexander the Great's isthmus at Tyre in Lebanon Nick Marriner, Christophe Morhange, and Samuel Meulé Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9218–9223. Published online 2007 May 18. doi: 10.1073/pnas.0611325104.PMCID: PMC1890475 Economic Sciences Neural signature of fictive learning signals in a sequential investment task Terry Lohrenz, Kevin McCabe, Colin F. Camerer, and P. Read Montague Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9493–9498. Published online 2007 May 22. doi: 10.1073/pnas.0608842104.PMCID: PMC1876162 Correction Correction for Hu and Margulis, Heterogeneity in a room-temperature ionic liquid: Persistent local environments and the red-edge effect Proc Natl Acad Sci U S A. 2007 May 29; 104(22): 9546. Published online 2007 May 14. doi: 10.1073/pnas.0703042104.PMCID: PMC1890531 Corrects: Zhonghan Hu, et al. Heterogeneity in a room-temperature ionic liquid: Persistent local environments and the red-edge effect. Proc Natl Acad Sci U S A. 2006 January 24; 103(4): 831–836. |