Fwd: PNAS Section Alert for 18 Jun 2013

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Date: Wed, Jun 19, 2013 at 7:22 AM
Subject: PNAS Section Alert for 18 Jun 2013
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Proceedings of the National Academy of Sciences Early Edition articles for 18 June 2013

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Physical Sciences

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Chemistry

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Single-molecule spectroscopy reveals photosynthetic LH2 complexes switch between emissive states

Gabriela S. Schlau-Cohen, Quan Wang, June Southall, Richard J. Cogdell, and W. E. Moerner

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Biological Sciences

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Neuroscience

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Optimal sampling of visual information for lightness judgments

Matteo Toscani, Matteo Valsecchi, and Karl R. Gegenfurtner

Underconnectivity between voice-selective cortex and reward circuitry in children with autism

Daniel A. Abrams, Charles J. Lynch, Katherine M. Cheng, Jennifer Phillips, Kaustubh Supekar, Srikanth Ryali, Lucina Q. Uddin, and Vinod Menon

Aβ induces astrocytic glutamate release, extrasynaptic NMDA receptor activation, and synaptic loss

Maria Talantova, Sara Sanz-Blasco, Xiaofei Zhang, Peng Xia, Mohd Waseem Akhtar, Shu-ichi Okamoto, Gustavo Dziewczapolski, Tomohiro Nakamura, Gang Cao, Alexander E. Pratt, Yeon-Joo Kang, Shichun Tu, Elena Molokanova, Scott R. McKercher, Samuel Andrew Hires, Hagit Sason, David G. Stouffer, Matthew W. Buczynski, James P. Solomon, Sarah Michael, Evan T. Powers, Jeffery W. Kelly, Amanda Roberts, Gary Tong, Traci Fang-Newmeyer, James Parker, Emily A. Holland, Dongxian Zhang, Nobuki Nakanishi, H.-S. Vincent Chen, Herman Wolosker, Yuqiang Wang, Loren H. Parsons, Rajesh Ambasudhan, Eliezer Masliah, Stephen F. Heinemann, Juan C. Piña-Crespo, and Stuart A. Lipton

Neuronal correlates of a visual "sense of number" in primate parietal and prefrontal cortices

Pooja Viswanathan and Andreas Nieder

Muscarinic acetylcholine receptor activation blocks long-term potentiation at cerebellar parallel fiber–Purkinje cell synapses via cannabinoid signaling

Lorenzo Rinaldo and Christian Hansel

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Biochemistry

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Expanded use of sense codons is regulated by modified cytidines in tRNA OPEN ACCESS ARTICLE William A. Cantara, Frank V. Murphy IV, Hasan Demirci, and Paul F. Agris

Structural similarity of wild-type and ALS-mutant superoxide dismutase-1 fibrils using limited proteolysis and atomic force microscopy OPEN ACCESS ARTICLE Pik K. Chan, Madhuri Chattopadhyay, Shivani Sharma, Puneet Souda, Edith Butler Gralla, David R. Borchelt, Julian P. Whitelegge, and Joan Selverstone Valentine

Revisiting the biosynthesis of dehydrophos reveals a tRNA-dependent pathway Despina J. Bougioukou, Subha Mukherjee, and Wilfred A. van der Donk

B-cell maturation antigen is modified by a single N-glycan chain that modulates ligand binding and surface retention Han-Wen Huang, Chein-Hung Chen, Chun-Hung Lin, Chi-Huey Wong, and Kuo-I Lin

General approach to reversing ketol-acid reductoisomerase cofactor dependence from NADPH to NADH Sabine Brinkmann-Chen, Tilman Flock, Jackson K. B. Cahn, Christopher D. Snow, Eric M. Brustad, John A. McIntosh, Peter Meinhold, Liang Zhang, and Frances H. Arnold

Crystal structure of the high-affinity Na+,K+-ATPase–ouabain complex with Mg2+ bound in the cation binding site Mette Laursen, Laure Yatime, Poul Nissen, and Natalya U. Fedosova

Mechanistic and structural studies on legumain explain its zymogenicity, distinct activation pathways, and regulation OPEN ACCESS ARTICLE Elfriede Dall and Hans Brandstetter

MuB is an AAA+ ATPase that forms helical filaments to control target selection for DNA transposition Naoko Mizuno, Marija Dramićanin, Michiyo Mizuuchi, Julia Adam, Yi Wang, Yong-Woon Han, Wei Yang, Alasdair C. Steven, Kiyoshi Mizuuchi, and Santiago Ramón-Maiques

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Biophysics and Computational Biology

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Activation and dynamic network of the M2 muscarinic receptor Yinglong Miao, Sara E. Nichols, Paul M. Gasper, Vincent T. Metzger, and J. Andrew McCammon

Single-molecule spectroscopy reveals photosynthetic LH2 complexes switch between emissive states Gabriela S. Schlau-Cohen, Quan Wang, June Southall, Richard J. Cogdell, and W. E. Moerner

Pyrimidine motif triple helix in the Kluyveromyces lactis telomerase RNA pseudoknot is essential for function in vivo Darian D. Cash, Osnat Cohen-Zontag, Nak-Kyoon Kim, Kinneret Shefer, Yogev Brown, Nikolai B. Ulyanov, Yehuda Tzfati, and Juli Feigon

Liposome division by a simple bacterial division machinery Masaki Osawa and Harold P. Erickson

MIF intersubunit disulfide mutant antagonist supports activation of CD74 by endogenous MIF trimer at physiologic concentrations Chengpeng Fan, Deepa Rajasekaran, Mansoor Ali Syed, Lin Leng, J. Patrick Loria, Vineet Bhandari, Richard Bucala, and Elias J. Lolis

Structure of the human cohesin inhibitor Wapl OPEN ACCESS ARTICLE Zhuqing Ouyang, Ge Zheng, Jianhua Song, Dominika M. Borek, Zbyszek Otwinowski, Chad A. Brautigam, Diana R. Tomchick, Susannah Rankin, and Hongtao Yu

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