Structure and activity of lacustrine sediment bacteria involved in nutrient and iron cycles.

Gilberto Jorge da Silva Martins, Akihiko Terada, Daniel C Ribeiro, Anuska M Corral, António G Brito, Barth F. Smets, Regina Nogueira

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

Knowledge of the bacterial community structure in sediments is essential to better design restoration strategies for eutrophied lakes. In this regard, the aim of this study was to quantify the abundance and activity of bacteria involved in nutrient and iron cycling in sediments from four Azorean lakes with distinct trophic states (Verde, Azul, Furnas and Fogo). Inferred from quantitative PCR, bacteria performing anaerobic ammonia oxidation were the most abundant in the eutrophic lakes Verde, Azul and Furnas (4.5-16.6%), followed by nitrifying bacteria (0.8-13.0%), denitrifying bacteria (DNB) (0.5-6.8%), iron-reducing bacteria (0.2-1.4%) and phosphorus-accumulating organisms (
Original languageEnglish
JournalF E M S Microbiology Ecology
Volume77
Issue number3
Pages (from-to)666-679
ISSN0168-6496
DOIs
Publication statusPublished - 2011

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