High Diversity of the Viral Community from an Antarctic Lake Export

@article{citeulike:6086420, abstract = {Viruses are the most abundant biological entities and can control microbial communities, but their identity in terrestrial and freshwater Antarctic ecosystems is unknown. The genetic structure of an Antarctic lake viral community revealed unexpected genetic richness distributed across the highest number of viral families that have been found to date in aquatic viral metagenomes. In contrast to other known aquatic viromes, which are dominated by bacteriophage sequences, this Antarctic virus assemblage had a large proportion of sequences related to eukaryotic viruses, including phycodnaviruses and single-stranded DNA (ssDNA) viruses not previously identified in aquatic environments. We also observed that the transition from an ice-covered lake in spring to an open-water lake in summer led to a change from a ssDNA- to a double-stranded DNA-virus-dominated assemblage, possibly reflecting a seasonal shift in host organisms. 10.1126/science.1179287}, author = {Lopez-Bueno, Alberto and Tamames, Javier and Velazquez, David and Moya, Andres and Quesada, Antonio and Alcami, Antonio}, citeulike-article-id = {6086420}, citeulike-linkout-0 = {http://dx.doi.org/10.1126/science.1179287}, citeulike-linkout-1 = {http://www.sciencemag.org/content/326/5954/858.abstract}, citeulike-linkout-2 = {http://www.sciencemag.org/content/326/5954/858.full.pdf}, citeulike-linkout-3 = {http://view.ncbi.nlm.nih.gov/pubmed/19892985}, citeulike-linkout-4 = {http://www.hubmed.org/display.cgi?uids=19892985}, day = {6}, doi = {10.1126/science.1179287}, journal = {Science}, keywords = {antarctic, community, ecology, metagenomics, virus}, month = {November}, number = {5954}, pages = {858--861}, posted-at = {2009-11-08 22:22:37}, priority = {2}, title = {High Diversity of the Viral Community from an Antarctic Lake}, url = {http://dx.doi.org/10.1126/science.1179287}, volume = {326}, year = {2009} }

TY - JOUR ID - citeulike:6086420 L3 - citeulike-article-id:6086420 N2 - Viruses are the most abundant biological entities and can control microbial communities, but their identity in terrestrial and freshwater Antarctic ecosystems is unknown. The genetic structure of an Antarctic lake viral community revealed unexpected genetic richness distributed across the highest number of viral families that have been found to date in aquatic viral metagenomes. In contrast to other known aquatic viromes, which are dominated by bacteriophage sequences, this Antarctic virus assemblage had a large proportion of sequences related to eukaryotic viruses, including phycodnaviruses and single-stranded DNA (ssDNA) viruses not previously identified in aquatic environments. We also observed that the transition from an ice-covered lake in spring to an open-water lake in summer led to a change from a ssDNA- to a double-stranded DNA-virus-dominated assemblage, possibly reflecting a seasonal shift in host organisms. 10.1126/science.1179287 IS - 5954 JF - Science EP - 861 TI - High Diversity of the Viral Community from an Antarctic Lake VL - 326 SP - 858 KW - antarctic KW - community KW - ecology KW - metagenomics KW - virus AU - Lopez-Bueno, Alberto AU - Tamames, Javier AU - Velazquez, David AU - Moya, Andres AU - Quesada, Antonio AU - Alcami, Antonio PY - 2009/11/06/ UR - http://dx.doi.org/10.1126/science.1179287 ER -