Community composition of nitrous oxide reducing bacteria investigated using a functional gene microarray

A. Jayakumar, D. Balachandran, A. P. Rees, P. J. Kearns, J. L. Bowen, Bettie Ward

Research output: Contribution to journalArticle

2 Scopus citations

Abstract

The diversity and environmental distribution of the nosZ gene, which encodes the enzyme responsible for the consumption of nitrous oxide, was investigated in marine and terrestrial environments using a functional gene microarray. The microbial communities represented by the nosZ gene probes showed strong biogeographical separation. Communities from surface ocean waters and agricultural soils differed significantly from each other and from those in oceanic oxygen minimum zones. Atypical nosZ genes, usually associated with incomplete denitrification pathways, were detected in all the environments, including surface ocean waters. The abundance of nosZ genes, as estimated by quantitative PCR, was highest in agricultural soils and lowest in surface ocean waters.

Original languageEnglish (US)
Pages (from-to)44-50
Number of pages7
JournalDeep-Sea Research Part II: Topical Studies in Oceanography
Volume156
DOIs
StatePublished - Oct 2018

All Science Journal Classification (ASJC) codes

  • Oceanography

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