Physiologic and Proteomic Evidence for a Role of Nitric Oxide in Biofilm Formation by Nitrosomonas europaea and Other Ammonia Oxidizers-Reference-Cited by-同舟云学术

Physiologic and Proteomic Evidence for a Role of Nitric Oxide in Biofilm Formation by Nitrosomonas europaea and Other Ammonia Oxidizers

Published:2004-05 Issue:9 Volume:186 Page:2781-2788
ISSN:0021-9193
Container-title:Journal of Bacteriology
language:en
Short-container-title:J Bacteriol

Author:

Schmidt Ingo¹,Steenbakkers Peter J. M.²,op den Camp Huub J. M.²,Schmidt Katrin³,Jetten Mike S. M.²

Affiliation:

1. Department of Microbiology, University of Bayreuth, 95447 Bayreuth

2. Department of Microbiology, University of Nijmegen, 6525 ED Nijmegen, The Netherlands

3. University of Hamburg, 20146 Hamburg, Germany

Abstract

ABSTRACT NO, a free radical gas, is the signal for Nitrosomonas europaea cells to switch between different growth modes. At an NO concentration of more than 30 ppm, biofilm formation by N. europaea was induced. NO concentrations below 5 ppm led to a reversal of the biofilm formation, and the numbers of motile and planktonic (motile-planktonic) cells increased. In a proteomics approach, the proteins expressed by N. europaea were identified. Comparison studies of the protein patterns of motile-planktonic and attached (biofilm) cells revealed several clear differences. Eleven proteins were found to be up or down regulated. Concentrations of other compounds such as ammonium, nitrite, and oxygen as well as different temperatures and pH values had no significant effect on the growth mode of and the proteins expressed by N. europaea .

Publisher

American Society for Microbiology

Subject

Molecular Biology,Microbiology

Link

https://journals.asm.org/doi/pdf/10.1128/JB.186.9.2781-2788.2004

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