» Articles » PMID: 2013564

Structural Complexity of the Symbiotic Plasmid of Rhizobium Leguminosarum Bv. Phaseoli

Overview
Journal J Bacteriol
Specialty Microbiology
Date 1991 Apr 1
PMID 2013564
Citations 22
Authors
Affiliations
Soon will be listed here.
Abstract

The complete physical map of the symbiotic plasmid of Rhizobium leguminosarum bv. phaseoli strain CFN42 was established. The data support the concept that Rhizobium symbiotic genes are part of a complex genomic structure which contains a large amount of reiterated DNA sequences. This plasmid is a circular structure of 390 kb with approximately 10 families of internally reiterated DNA sequences of two to three elements each. One family includes two directly oriented nitrogenase operons situated 120 kb apart. We also found several stretches of pSym that are reiterated in other replicons of the cell. Localization of symbiotic gene sequences by heterologous hybridization revealed that nodABC sequences are separated in two regions, each of which contains a nod boxlike element, and it also suggested the presence of two copies of the nifA and nodD gene sequences. We propose that the complex structure of the symbiotic plasmid allows interactions between repeated DNA sequences which, in turn, might result in frequent rearrangements.

Citing Articles

Insights into the history of a bacterial group II intron remnant from the genomes of the nitrogen-fixing symbionts Sinorhizobium meliloti and Sinorhizobium medicae.

Toro N, Martinez-Rodriguez L, Martinez-Abarca F Heredity (Edinb). 2014; 113(4):306-15.

PMID: 24736785 PMC: 4181065. DOI: 10.1038/hdy.2014.32.


Characterization of a Rhizobium etli chromosomal gene required for nodule development on Phaseolus vulgaris L.

Pooyan S, George M, Borthakur D World J Microbiol Biotechnol. 2014; 10(5):583-9.

PMID: 24421140 DOI: 10.1007/BF00367673.


Rhizobium plasmids in bacteria-legume interactions.

Garcia-de Los Santos A, Brom S, Romero D World J Microbiol Biotechnol. 2014; 12(2):119-25.

PMID: 24415159 DOI: 10.1007/BF00364676.


Genomic basis of broad host range and environmental adaptability of Rhizobium tropici CIAT 899 and Rhizobium sp. PRF 81 which are used in inoculants for common bean (Phaseolus vulgaris L.).

Ormeno-Orrillo E, Menna P, Almeida L, Ollero F, Nicolas M, Rodrigues E BMC Genomics. 2012; 13:735.

PMID: 23270491 PMC: 3557214. DOI: 10.1186/1471-2164-13-735.


The conjugative plasmid of a bean-nodulating Sinorhizobium fredii strain is assembled from sequences of two Rhizobium plasmids and the chromosome of a Sinorhizobium strain.

Cervantes L, Bustos P, Girard L, Santamaria R, Davila G, Vinuesa P BMC Microbiol. 2011; 11:149.

PMID: 21702991 PMC: 3224233. DOI: 10.1186/1471-2180-11-149.


References
1.
Rossen L, Johnston A, Downie J . DNA sequence of the Rhizobium leguminosarum nodulation genes nodAB and C required for root hair curling. Nucleic Acids Res. 1984; 12(24):9497-508. PMC: 320476. DOI: 10.1093/nar/12.24.9497. View

2.
Rigby P, Dieckmann M, Rhodes C, Berg P . Labeling deoxyribonucleic acid to high specific activity in vitro by nick translation with DNA polymerase I. J Mol Biol. 1977; 113(1):237-51. DOI: 10.1016/0022-2836(77)90052-3. View

3.
Romero D, Singleton P, Segovia L, Morett E, Bohlool B, Palacios R . Effect of Naturally Occurring nif Reiterations on Symbiotic Effectiveness in Rhizobium phaseoli. Appl Environ Microbiol. 1988; 54(3):848-850. PMC: 202557. DOI: 10.1128/aem.54.3.848-850.1988. View

4.
Eckhardt T . A rapid method for the identification of plasmid desoxyribonucleic acid in bacteria. Plasmid. 1978; 1(4):584-8. DOI: 10.1016/0147-619x(78)90016-1. View

5.
Rosenberg C, Boistard P, Denarie J . Genes controlling early and late functions in symbiosis are located on a megaplasmid in Rhizobium meliloti. Mol Gen Genet. 1981; 184(2):326-33. DOI: 10.1007/BF00272926. View