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15 April 2008 year (time zone GMT 00:00)  Number of sources in English: 4438
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NASA Awards Space Station Water Contract to Hamilton Sundstrand

15.04.2008 22:49    nasa.gov
NASA has awarded a sole-source contract to Hamilton Sundstrand Space Systems International Inc. for water production services aboard the International Space Station.
USA    NASA


BIOLOGICAL SCIENCES / PLANT BIOLOGY

15.04.2008 22:24    pnas.org
The phenolic methyl ether 3,5-dimethoxytoluene (DMT) is a major scent compound of many modern rose varieties, and its fragrance participates...

Parallel striatal and hippocampal systems for landmarks and boundaries in spatial memory

15.04.2008 22:24    pnas.org
How the memory systems centered on the hippocampus and dorsal striatum interact to support behavior remains controversial. We used functional...

Distinct error-correcting and incidental learning of location relative to landmarks and boundaries

15.04.2008 22:24    pnas.org
Associative reinforcement provides a powerful explanation of learned behavior. However, an unproven but long-held conjecture holds that spatial learning can...

Activity-dependent repression of muscle genes by NFAT

15.04.2008 22:24    pnas.org
Zaheer A. Rana * , , Kristian Gundersen , and Andres Buonanno * , *Section on Molecular Neurobiology, National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD 20892; and Department of Molecular Biosciences, University of

Salt tolerance of Arabidopsis thaliana requires maturation of N -glycosylated proteins in the Golgi apparatus

15.04.2008 22:24    pnas.org
Jae Sook Kang * , Julia Frank , Chang Ho Kang * , , Hiroyuki Kajiura , Meenu Vikram , Akihiro Ueda , Sewon Kim * , Jeong Dong Bahk * , Barbara Triplett ¶ , Kazuhito Fujiyama ¶ ,

Rational chemical design of the carbohydrate in a glycoconjugate vaccine enhances IgM-to-IgG switching

15.04.2008 22:24    pnas.org
Hilde-Kari Guttormsen * , Lawrence C. Paoletti * , Keith G. Mansfield , Wojcieck Jachymek , Harold J. Jennings , and Dennis L. Kasper * , ,¶ *Channing Laboratory, Department of Medicine, Brigham and Women's Hospital, and Institute for Microbiology

Spectral completion of partially masked sounds

15.04.2008 22:24    pnas.org
Josh H. McDermott * and Andrew J. Oxenham Department of Psychology, University of Minnesota, N640 Elliott Hall, 75 East River Road, Minneapolis, MN 55455-0344 Edited by Eric I. Knudsen, Stanford University School of Medicine, Stanford, CA, and approved February 15,

An overlapping essential gene in the Potyviridae

15.04.2008 22:24    pnas.org
Betty Y.-W. Chung * , , W. Allen Miller , John F. Atkins * , , and Andrew E. Firth * , *BioSciences Institute, University College Cork, Cork, Ireland; Department of Plant Pathology, 351 Bessey Hall, Iowa State University, Ames,

Artificial miRNAs mitigate shRNA-mediated toxicity in the brain: Implications for the therapeutic development of RNAi

15.04.2008 22:24    pnas.org
Jodi L. McBride * , Ryan L. Boudreau * , Scott Q. Harper * , , Patrick D. Staber * , Alex Mas Monteys * , Inâs Martins * , Brian L. Gilmore * , Haim Burstein , Richard W.

Presecretory oxidation, aggregation, and autophagic destruction of apoprotein-B: A pathway for late-stage quality control

15.04.2008 22:24    pnas.org
Meihui Pan * , Vatsala Maitin * , Sajesh Parathath * , Ursula Andreo * , Sharron X. Lin , Carly St. Germain , , Zemin Yao , , Frederick R. Maxfield , Kevin Jon Williams ¶ ,|| , and

BIOLOGICAL SCIENCES / MICROBIOLOGY

15.04.2008 22:24    pnas.org
Bacteriocins represent a large family of ribosomally produced peptide antibiotics. Here we describe the discovery of a widely conserved biosynthetic...

MicroRNA 29c is down-regulated in nasopharyngeal carcinomas, up-regulating mRNAs encoding extracellular matrix proteins

15.04.2008 22:24    pnas.org
Srikumar Sengupta * , , , Johan A. den Boon * , , I-How Chen , Michael A. Newton ¶ ,|| , Stephen A. Stanhope ¶ ,|| , Yu-Juen Cheng , Chien-Jen Chen ** , Allan Hildesheim , Bill Sugden

Bacterial addiction module toxin Doc inhibits translation elongation through its association with the 30S ribosomal subunit

15.04.2008 22:24    pnas.org
Mohan Liu * , Yonglong Zhang , Masayori Inouye , and Nancy A. Woychik * , Departments of *Molecular Genetics, Microbiology, and Immunology and Biochemistry, University of Medicine and Dentistry of New Jersey-Robert Wood Johnson Medical School, 675 Hoes Lane,

An essential sensor histidine kinase controlled by transmembrane helix interactions with its auxiliary proteins

15.04.2008 22:24    pnas.org
Hendrik Szurmant * , , Lintao Bu , Charles L. Brooks, III/ , and James A. Hoch * *Division of Cellular Biology, Department of Molecular and Experimental Medicine, and Center for Theoretical Biological Physics and Department of Molecular Biology, The

Protection against heterologous human papillomavirus challenge by a synthetic lipopeptide vaccine containing a broadly cross-neutralizing epitope of L2

15.04.2008 22:24    pnas.org
Persistent infection with the high-risk subset of genitotropic human papillomavirus (HPV) genotypes is a necessary cause of cervical cancer. Given...

Neurons derived from reprogrammed fibroblasts functionally integrate into the fetal brain and improve symptoms of rats with Parkinson's disease

15.04.2008 22:24    pnas.org
Marius Wernig * , Jian-Ping Zhao , Jan Pruszak , Eva Hedlund , Dongdong Fu * , Frank Soldner * , Vania Broccoli , Martha Constantine-Paton , Ole Isacson , and Rudolf Jaenisch * ,¶ ,|| *The Whitehead Institute for

Noninvasive molecular imaging of small living subjects using Raman spectroscopy

15.04.2008 22:24    pnas.org
S. Keren , C. Zavaleta , Z. Cheng , A. de la Zerda , O. Gheysens , and S. S. Gambhir * Molecular Imaging Program at Stanford, Departments of Radiology and Bioengineering, Bio-X Program, Stanford University, 1201 Welch Road, Stanford,

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