Nitrate Respiration in Chemoautotrophic Symbionts of the Bivalve Lucinoma aequizonata Is Not Regulated by Oxygen.

Applied and Environmental Microbiology
U Hentschel, H Felbeck

Abstract

The marine bivalve Lucinoma aequizonata has intracellular chemoautotrophic symbionts residing in the gill tissue. These bacteria are capable of nitrate respiration even under fully saturated oxygen conditions. Nitrate reductase in the symbionts of L. aequizonata appears to be constitutively expressed and without significant regulation by oxygen or nitrate. We discuss the stationary-phase growth state of the symbionts as an explanation for the lack of enzyme induction.

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Citations

Jul 9, 2004·Applied and Environmental Microbiology·Melinda R DuplessisHorst Felbeck
Apr 7, 2009·Applied and Environmental Microbiology·Audrey CaroOlivier Gros
Feb 23, 2012·Applied Microbiology and Biotechnology·Guus Roeselers, Irene L G Newton
Nov 1, 2020·Applied and Environmental Microbiology·Millie Goddard-DwyerPatrick M Erwin
Jul 18, 2021·Proceedings of the National Academy of Sciences of the United States of America·Jay T OsvaticBenedict Yuen

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