Diversity and Distribution in Hypersaline Microbial Mats of Bacteria Related to Chloroflexus spp-Reference-Cited by-同舟云学术

Diversity and Distribution in Hypersaline Microbial Mats of Bacteria Related to Chloroflexus spp

Published:2001-09 Issue:9 Volume:67 Page:4365-4371
ISSN:0099-2240
Container-title:Applied and Environmental Microbiology
language:en
Short-container-title:Appl Environ Microbiol

Author:

Nübel Ulrich¹,Bateson Mary M.¹,Madigan Michael T.²,Kühl Michael³,Ward David M.¹

Affiliation:

1. Department of Land Resources and Environmental Sciences, Montana State University, Bozeman, Montana1;

2. Department of Microbiology, Southern Illinois University, Carbondale, Illinois2; and

3. Marine Biological Laboratory, University of Copenhagen, Helsingør, Denmark3

Abstract

ABSTRACT Filamentous bacteria containing bacteriochlorophylls c and a were enriched from hypersaline microbial mats. Based on phylogenetic analyses of 16S rRNA gene sequences, these organisms form a previously undescribed lineage distantly related to Chloroflexus spp. We developed and tested a set of PCR primers for the specific amplification of 16S rRNA genes from filamentous phototrophic bacteria within the kingdom of “green nonsulfur bacteria.” PCR products recovered from microbial mats in a saltern in Guerrero Negro, Mexico, were subjected to cloning or denaturing gradient gel electrophoresis and then sequenced. We found evidence of a high diversity of bacteria related to Chloroflexus which exhibit different distributions along a gradient of salinity from 5.5 to 16%.

Publisher

American Society for Microbiology

Subject

Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology

Link

https://journals.asm.org/doi/pdf/10.1128/AEM.67.9.4365-4371.2001

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