The hidden seasonality of the rare biosphere in coastal marine bacterioplankton

Laura Alonso-Sáez, Laura Díaz-Pérez, Xose Anxelu G. Moran

Research output: Contribution to journalArticlepeer-review

54 Scopus citations

Abstract

Summary: Rare microbial taxa are increasingly recognized to play key ecological roles, but knowledge of their spatio-temporal dynamics is lacking. In a time-series study in coastal waters, we detected 83 bacterial lineages with significant seasonality, including environmentally relevant taxa where little ecological information was available. For example, Verrucomicrobia had recurrent maxima in summer, while the Flavobacteria NS4, NS5 and NS2b clades had contrasting seasonal niches. Among the seasonal taxa, only 4 were abundant and persistent, 20 cycled between rare and abundant and, remarkably, most of them (59) were always rare (contributing
Original languageEnglish (US)
Pages (from-to)3766-3780
Number of pages15
JournalEnvironmental Microbiology
Volume17
Issue number10
DOIs
StatePublished - Apr 8 2015

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