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Story ideas from molecular & cellular proteomics
Date:9/12/2007

the membrane surrounding the virus, and nine proteins in the nucleocapsid, the core of the virus that contains its genetic material. Although Hew and colleagues do not know yet how these proteins work together, their localization in the virus is shedding light on some of their functions and will help determine which ones could be targeted by antiviral drugs.

Article: Shotgun Identification of the Structural Proteome of Shrimp White Spot Syndrome Virus and iTRAQ Differentiation of Envelope and Nucleocapsid Subproteomes, by Zhengjun Li, Qingsong Lin, Jing Chen, Jin Lu Wu, Teck Kwang Lim, Siew See Loh, Xuhua Tang, and Choy-Leong Hew

MEDIA CONTACT: Choy-Leong Hew, National University of Singapore; tel: 65-6516- 2692; e-mail: dbshewcl@nus.edu.sg or dbshead@nus.edu.sg


How some algae tolerate very salty environments

Researchers have identified unique proteins that allow a unicellular alga called Dunaliella salina to proliferate in environments with extreme salt content. These results might provide ways to help crop plants resist the progressive accumulation of salt in soil, which is a major limitation for agricultural productivity worldwide.

Since its discovery in 1905, D. salina has become a convenient model organism to study general mechanisms of salt adaptation in algae and plants. Previous studies have shown that in very salty environments, the algas plasma membrane -- which is a barrier that protects it from the outside environment -- undergoes major changes that are expected to play a role in salinity tolerance.

For the first time, Adriana Katz and colleagues have obtained a comprehensive overview of membrane-associated proteins and have shown how changes in the structure and composition of the membrane may help D. salina adapt to high salt content
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Contact: Pat Pages
ppages@asbmb.org
301-634-7366
American Society for Biochemistry and Molecular Biology
Source:Eurekalert

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