Bacterial diversity in marine hydrocarbon seep sediments

Environmental Microbiology
Michael G LaMontagnePatricia A Holden

Abstract

Marine seeps introduce significant amounts of hydrocarbons into oceans and create unusual habitats for microfauna and -flora. In the vicinity of chronic seeps, microbes likely exert control on carbon quality entering the marine food chain and, in turn, hydrocarbons could influence microbial community composition and diversity. To determine the effects of seep oil on marine sediment bacterial communities, we collected sediment piston cores within an active marine hydrocarbon seep zone in the Coal Oil Point Seep Field, at a depth of 22 m in the Santa Barbara Channel, California. Cores were taken adjacent to an active seep vent in a hydrocarbon volcano, on the edge of the volcano, and at the periphery of the area of active seepage. Bacterial community profiles were determined by terminal restriction fragment length polymorphisms (TRFLPs) of 16S ribosomal genes that were polymerase chain reaction (PCR)-amplified with eubacterial primers. Sediment carbon content and C/N ratio increased with oil content. Terminal restriction fragment length polymorphisms suggested that bacterial communities varied both with depth into sediments and with oil concentration. Whereas the apparent abundance of several peaks correlated positively with hydr...Continue Reading

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Citations

Nov 4, 2008·Applied and Environmental Microbiology·Yiping CaoPatricia A Holden
May 5, 2006·Applied and Environmental Microbiology·Ana Lucía Córdova-KreylosKate M Scow
Apr 1, 2014·Environmental Science and Pollution Research International·Ranjit Das, Sufia K Kazy
Aug 2, 2011·Journal of Environmental Management·María C Rosano-HernándezLuis Fernández-Linares
May 3, 2007·Environmental Microbiology·R John ParkesAndrew J Weightman
Jul 5, 2006·Environmental Microbiology·Nicole S Webster, Andrew P Negri
Apr 11, 2015·Systematic and Applied Microbiology·Marino KorlevićSandi Orlić
Aug 12, 2014·Microbial Ecology·Raeid M M AbedSamiha Al-Kharusi
Nov 23, 2006·FEMS Microbiology Ecology·Guillermina Hernandez-RaquetRobert Duran
Sep 30, 2016·PloS One·Marie PortailJozée Sarrazin
Jun 10, 2008·FEMS Microbiology Ecology·Newton C Marcial GomesKornelia Smalla
Mar 16, 2017·Frontiers in Microbiology·Blair G PaulDavid L Valentine

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