PMID: 8606181Apr 1, 1996Paper

The devR gene product is characteristic of receivers of two-component regulatory systems and is essential for heterocyst development in the filamentous cyanobacterium Nostoc sp. strain ATCC 29133

Journal of Bacteriology
Elsie L CampbellJ C Meeks

Abstract

Strain UCD 311 is a transposon-induced mutant of Nostoc sp. strain ATC C 29133 that is unable to fix nitrogen in air but does so under anoxic conditions and is able to establish a functional symbiotic association with the hornwort Anthoceros punctatus. These properties of strain UCD 311 are consistent with previous observations that protection against oxygen inactivation of nitrogenase is physiologically provided within A. punctatus tissue. Upon deprivation of combined nitrogen, strain UCD 311 clearly differentiates heterocysts and contains typical heterocyst-specific glycolipids; it also makes apparently normal akinetes upon phosphate starvation. Sequence analysis adjacent to the point of the transposon insertion revealed an open reading frame designated devR. Southern analysis established that similar sequences are present in other heterocyst-forming cyanobacteria. devR putatively encodes a protein of 135 amino acids with high similarity to the receiver domains of response regulator proteins characteristics of two-component regulatory systems. On the basis of its size and the absence of other functional domains, DevR is most similar to CheY and Spo0F. Reconstruction of the mutation with an interposon vector confirmed that the...Continue Reading

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Citations

Mar 15, 2003·The Journal of Biological Chemistry·Ruanbao Zhou, C Peter Wolk
May 21, 2005·Archives of Microbiology·Claudia Argueta, Michael L Summers
Sep 3, 2019·Frontiers in Microbiology·Aimee Caye G ChangJun Duan
Jun 20, 2006·Molecular Microbiology·Claudia ArguetaMichael L Summers
Mar 3, 2009·Journal of Basic Microbiology·Kerstin NicolaisenEnrico Schleiff
Dec 8, 2009·Nature Reviews. Microbiology·Enrique Flores, Antonia Herrero
Sep 18, 2004·FEMS Microbiology Reviews·Antonia HerreroEnrique Flores
Mar 15, 2001·FEMS Microbiology Ecology·M Kaebernick, B A. Neilan
Mar 19, 2005·Journal of Bacteriology·Martha E RamírezStephanie E Curtis
Nov 26, 1998·Journal of Bacteriology·S H SchwartzC P Wolk
Dec 10, 2003·Current Opinion in Microbiology·James W Golden, Ho-Sung Yoon

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