Microbes and Environments
Online ISSN : 1347-4405
Print ISSN : 1342-6311
Short Communications
D-Amino Acid Catabolism Is Common Among Soil-Dwelling Bacteria
Atanas D RadkovKatlyn McNeillKoji UdaLuke A Moe
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2016 Volume 31 Issue 2 Pages 165-168

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Abstract

Soil and rhizosphere environments were examined in order to determine the identity and relative abundance of bacteria that catabolize d- and l-amino acids as the sole source of carbon and nitrogen. All substrates were readily catabolized by bacteria from both environments, with most d-amino acids giving similar CFU counts to their l-amino acid counterparts. CFU count ratios between l- and d-amino acids typically ranged between 2 and 1. Isolates were phylogenetically typed in order to determine the identity of d-amino acid catabolizers. Actinobacteria, specifically the Arthrobacter genus, were abundant along with members of the α- and β-Proteobacteria classes.

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© 2016 by Japanese Society of Microbial Ecology / Japanese Society of Soil Microbiology / Taiwan Society of Microbial Ecology / Japanese Society of Plant Microbe Interactions.
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