Metagenomic covariation along densely sampled environmental gradients in the Red Sea

Luke R Thompson, Gareth J Williams, Mohamed Haroon, Ahmed A. Shibl, Peter Larsen, Joshua Shorenstein, Rob Knight, Ulrich Stingl

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

Oceanic microbial diversity covaries with physicochemical parameters. Temperature, for example, explains approximately half of global variation in surface taxonomic abundance. It is unknown, however, whether covariation patterns hold over narrower parameter gradients and spatial scales, and extending to mesopelagic depths. We collected and sequenced 45 epipelagic and mesopelagic microbial metagenomes on a meridional transect through the eastern Red Sea. We asked which environmental parameters explain the most variation in relative abundances of taxonomic groups, gene ortholog groups, and pathways—at a spatial scale of
Original languageEnglish (US)
Pages (from-to)138-151
Number of pages14
JournalThe ISME Journal
Volume11
Issue number1
DOIs
StatePublished - Jul 15 2016

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