A New Sulfur-Reducing, Extremely Thermophilic Eubacterium from a Submarine Thermal Vent-Reference-Cited by-同舟云学术

A New Sulfur-Reducing, Extremely Thermophilic Eubacterium from a Submarine Thermal Vent

Published:1986-06 Issue:6 Volume:51 Page:1180-1185
ISSN:0099-2240
Container-title:Applied and Environmental Microbiology
language:en
Short-container-title:Appl Environ Microbiol

Author:

Belkin Shimshon¹,Wirsen Carl O.¹,Jannasch Holger W.¹

Affiliation:

1. Membrane Bioenergetics Group, Department of Physiology/Anatomy, University of California, Berkeley, California 94720, 1 and Department of Biology, Woods Hole Oceanographic Institution, Woods Hole, Massachusetts 025432

Abstract

A newly described bacterial isolate, designated strain NS-E, differs from presently known extremely thermophilic bacteria in various characteristics. It is a strictly heterotrophic eubacterium of marine origin and has a temperature range for growth of 50 to 95°C with an optimum at 77°C and a pH of 7.5. Its DNA base composition is 41.3 mol% guanine + cytosine. It is obligately anaerobic, utilizes various sugars as well as yeast extract, and reduces elemental sulfur facultatively to hydrogen sulfide. In 24-h cultures cell densities are up to fourfold higher in the presence than in the absence of elemental sulfur. Sulfide concentrations of 1.0 and 10.0 mM limit growth by 65 and 95%, respectively. Oxygen sensitivity is apparent only at or above that range of temperature at which growth occurs.

Publisher

American Society for Microbiology

Subject

Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology

Link

https://journals.asm.org/doi/pdf/10.1128/aem.51.6.1180-1185.1986

Reference38 articles.

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