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During development of the symbiotic soil bacterium Sinorhizobium meliloti into nitrogen-fixing bacteroids, DNA replication and cell division cease and the cells undergo profound metabolic and morphological changes. Regulatory genes controlling the early stages of this process have not been identified. As a first step in the search for regulators of these events, we report the isolation and characterization of a ctrA gene from S. meliloti. We show that the S. meliloti CtrA belongs to the CtrA-like family of response regulators found in several alpha-proteobacteria. In Caulobacter crescentus, CtrA is essential and is a global regulator of multiple cell cycle functions. ctrA is also an essential gene in S. meliloti, and it is expressed similarly to the autoregulated C. crescentus ctrA in that both genes have complex promoter regions which bind phosphorylated CtrA.

Titel:	A homolog of the CtrA cell cycle regulator is present and essential in Sinorhizobium meliloti.
Autor/in / Beteiligte Person:	Barnett, MJ ; Hung, DY ; Reisenauer, A ; Shapiro, L ; Long, SR
Zeitschrift:	Journal of bacteriology, Jg. 183 (2001-05-01), Heft 10, S. 3204-10
Veröffentlichung:	Washington, DC : American Society for Microbiology, 2001
Medientyp:	academicJournal
ISSN:	0021-9193 (print)
DOI:	10.1128/JB.183.10.3204-3210.2001
Schlagwort:	Amino Acid Sequence Bacterial Proteins chemistry Base Sequence Caulobacter crescentus genetics Caulobacter crescentus metabolism Cell Cycle physiology Conserved Sequence genetics Genes, Essential Molecular Sequence Data Promoter Regions, Genetic genetics Promoter Regions, Genetic physiology Sequence Alignment Sequence Homology, Amino Acid Sinorhizobium meliloti genetics Bacterial Proteins genetics Bacterial Proteins metabolism DNA-Binding Proteins Gene Expression Regulation, Bacterial Sinorhizobium meliloti growth & development Transcription Factors
Sonstiges:	Nachgewiesen in: MEDLINE Sprachen: English Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S. Language: English [J Bacteriol] 2001 May; Vol. 183 (10), pp. 3204-10. MeSH Terms: DNA-Binding Proteins* ; Gene Expression Regulation, Bacterial* ; Transcription Factors* ; Bacterial Proteins / genetics ; Bacterial Proteins / metabolism ; Sinorhizobium meliloti / *growth & development ; Amino Acid Sequence ; Bacterial Proteins / chemistry ; Base Sequence ; Caulobacter crescentus / genetics ; Caulobacter crescentus / metabolism ; Cell Cycle / physiology ; Conserved Sequence / genetics ; Genes, Essential ; Molecular Sequence Data ; Promoter Regions, Genetic / genetics ; Promoter Regions, Genetic / physiology ; Sequence Alignment ; Sequence Homology, Amino Acid ; Sinorhizobium meliloti / genetics References: Cell. 1996 Jan 12;84(1):83-93. (PMID: 8548829) ; J Bacteriol. 1994 Apr;176(7):2033-43. (PMID: 8144471) ; Planta. 1985 Apr;163(4):473-82. (PMID: 24249446) ; J Mol Biol. 1997 Jun 13;269(3):301-12. (PMID: 9199401) ; J Bacteriol. 1998 May;180(10):2749-55. (PMID: 9573163) ; Annu Rev Microbiol. 1992;46:497-531. (PMID: 1444265) ; J Bacteriol. 1996 Dec;178(24):7159-66. (PMID: 8955397) ; J Bacteriol. 1996 Apr;178(7):1782-7. (PMID: 8606148) ; Proc Natl Acad Sci U S A. 1984 Apr;81(7):1991-5. (PMID: 6326095) ; Cell. 1997 Aug 8;90(3):415-24. (PMID: 9267022) ; J Mol Biol. 1993 Jul 20;232(2):584-99. (PMID: 8345525) ; Nat Struct Biol. 1997 Jan;4(1):28-31. (PMID: 8989318) ; J Mol Biol. 1999 Jan 15;285(2):555-66. (PMID: 9878429) ; Curr Opin Microbiol. 1999 Dec;2(6):641-6. (PMID: 10607628) ; Gene. 1993 May 15;127(1):15-21. (PMID: 8486283) ; Biochemistry. 1993 Nov 9;32(44):11741-53. (PMID: 8218244) ; EMBO J. 2000 Jul 3;19(13):3223-34. (PMID: 10880436) ; Methods Enzymol. 1991;204:372-84. (PMID: 1658564) ; Curr Opin Microbiol. 2000 Dec;3(6):613-7. (PMID: 11121782) ; J Bacteriol. 1991 Sep;173(18):5822-30. (PMID: 1653222) ; Gene. 1996;173(1 Spec No):33-8. (PMID: 8707053) ; Proc Natl Acad Sci U S A. 1999 Jun 8;96(12):6648-53. (PMID: 10359766) ; Science. 2000 Dec 15;290(5499):2144-8. (PMID: 11118148) ; Nucleic Acids Res. 1984 Jan 11;12(1 Pt 1):387-95. (PMID: 6546423) ; Structure. 1997 Jan 15;5(1):109-24. (PMID: 9016718) ; Proc Natl Acad Sci U S A. 1996 Feb 6;93(3):1210-4. (PMID: 8577742) ; Plant Cell. 1996 Oct;8(10):1885-98. (PMID: 8914326) ; Proc Natl Acad Sci U S A. 1998 Jan 6;95(1):120-5. (PMID: 9419339) ; Cell. 1999 Apr 2;97(1):111-20. (PMID: 10199407) ; Genes Dev. 1998 Mar 15;12(6):880-93. (PMID: 9512521) ; J Bacteriol. 1986 Jul;167(1):66-72. (PMID: 3013840) ; J Biol Chem. 1987 May 15;262(14):6849-55. (PMID: 3032978) ; Proc Natl Acad Sci U S A. 2000 Jan 18;97(2):859-64. (PMID: 10639170) ; J Bacteriol. 1999 Sep;181(17):5280-7. (PMID: 10464198) ; J Bacteriol. 1995 May;177(10):2892-900. (PMID: 7751302) ; Proteins. 1994 May;19(1):55-72. (PMID: 8066087) ; Proc Natl Acad Sci U S A. 1999 Nov 9;96(23):13068-73. (PMID: 10557274) ; J Bacteriol. 1997 Sep;179(18):5869-77. (PMID: 9294447) ; J Bacteriol. 1999 Apr;181(8):2430-9. (PMID: 10198005) Grant Information: R01 GM032506 United States GM NIGMS NIH HHS; R37 GM032506 United States GM NIGMS NIH HHS; GM-30692 United States GM NIGMS NIH HHS; GM-32506/5120MZ United States GM NIGMS NIH HHS Molecular Sequence: GENBANK AF288464 Substance Nomenclature: 0 (Bacterial Proteins) ; 0 (CtrA protein, Caulobacter) ; 0 (DNA-Binding Proteins) ; 0 (Transcription Factors) Entry Date(s): Date Created: 20010428 Date Completed: 20010531 Latest Revision: 20181113 Update Code: 20231215 PubMed Central ID: PMC95222

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A homolog of the CtrA cell cycle regulator is present and essential in Sinorhizobium meliloti.