Bacterial group II introns in a deep-sea hydrothermal vent environment
Mullineaux, Lauren S.
Perlman, Philip S.
Sogin, Mitchell L.
MetadataShow full item record
Group II introns are catalytic RNAs and mobile retrotransposable elements known to be present in the genomes of some nonmarine bacteria and eukaryotic organelles. Here we report the discovery of group II introns in a bacterial mat sample collected from a deep-sea hydrothermal vent near 9°N on the East Pacific Rise. One of the introns was shown to self-splice in vitro. This is the first example of marine bacterial introns from molecular population structure studies of microorganisms that live in the proximity of hydrothermal vents. These types of mobile genetic elements may prove useful in improving our understanding of bacterial genome evolution and may serve as valuable markers in comparative studies of bacterial communities.
Author Posting. © American Society for Microbiology, 2002. This article is posted here by permission of American Society for Microbiology for personal use, not for redistribution. The definitive version was published in Applied and Environmental Microbiology 68 (2002): 6392-6398, doi:10.1128/AEM.68.12.6392-6398.2002.
Showing items related by title, author, creator and subject.
Ma, Leung-Hang; Gilland, Edwin; Bass, Andrew H.; Baker, Robert (Nature Publishing Group, 2010-07-27)Motor innervation to the tetrapod forelimb and fish pectoral fin is assumed to share a conserved spinal cord origin, despite major structural and functional innovations of the appendage during the vertebrate water-to-land ...
Flot, Jean-Francois; Hespeels, Boris; Li, Xiang; Noel, Benjamin; Arkhipova, Irina R.; Danchin, Etienne G. J.; Hejno, Andreas; Henrissat, Bernard; Koszul, Romain; Aury, Jean-Marc; Barbe, Valerie; Barthelemy, Roxane-Marie; Bast, Jens; Bazykin, Georgii A.; Chabrol, Olivier; Couloux, Arnaud; Da Rocha, Martine; Da Silva, Corinne; Gladyshev, Eugene A.; Gouret, Philippe; Hallatschek, Oskar; Hecox-Lea, Bette; Labadie, Karine; Lejeune, Benjamin; Piskurek, Oliver; Poulain, Julie; Rodriguez, Fernando; Ryan, Joseph F.; Vakhrusheva, Olga A.; Wajnberg, Eric; Wirth, Benedicte; Yushenova, Irina A.; Kellis, Manolis; Kondrashov, Alexey S.; Mark Welch, David B.; Pontarotti, Pierre; Weissenbach, Jean; Wincker, Patrick; Jaillon, Olivier; Van Doninck, Karine (Nature Publishing Group, 2013-07-21)Loss of sexual reproduction is considered an evolutionary dead end for metazoans, but bdelloid rotifers challenge this view as they appear to have persisted asexually for millions of years1. Neither male sex organs nor ...
Identification of photosynthetic plankton communities using sedimentary ancient DNA and their response to late-Holocene climate change on the Tibetan Plateau Hou, Weiguo; Dong, Hailiang; Li, Gaoyuan; Yang, Jian; Coolen, Marco J. L.; Liu, Xingqi; Wang, Shang; Jiang, Hongchen; Wu, Xia; Xiao, Haiyi; Lian, Bin; Wan, Yunyang (Nature Publishing Group, 2014-10-17)Sediments from Tibetan lakes in NW China are potentially sensitive recorders of climate change and its impact on ecosystem function. However, the important plankton members in many Tibetan Lakes do not make and leave ...