Genomic Diversity in the Endosymbiotic Bacterium Rhizobium leguminosarum
Rhizobium leguminosarum bv. viciae is a soil α-proteobacterium that establishes a diazotrophic symbiosis with different legumes of the Fabeae tribe. The number of genome sequences from rhizobial strains available in public databases is constantly increasing, although complete, fully annotated genome...
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Format: | Article |
Language: | English |
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MDPI AG
2018-01-01
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Series: | Genes |
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Online Access: | http://www.mdpi.com/2073-4425/9/2/60 |
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Article |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Carmen Sánchez-Cañizares Beatriz Jorrín David Durán Suvarna Nadendla Marta Albareda Laura Rubio-Sanz Mónica Lanza Manuel González-Guerrero Rosa Isabel Prieto Belén Brito Michelle G. Giglio Luis Rey Tomás Ruiz-Argüeso José M. Palacios Juan Imperial |
spellingShingle |
Carmen Sánchez-Cañizares Beatriz Jorrín David Durán Suvarna Nadendla Marta Albareda Laura Rubio-Sanz Mónica Lanza Manuel González-Guerrero Rosa Isabel Prieto Belén Brito Michelle G. Giglio Luis Rey Tomás Ruiz-Argüeso José M. Palacios Juan Imperial Genomic Diversity in the Endosymbiotic Bacterium Rhizobium leguminosarum Genes Rhizobium leguminosarum nitrogen fixation symbiosis genome plasmid |
author_facet |
Carmen Sánchez-Cañizares Beatriz Jorrín David Durán Suvarna Nadendla Marta Albareda Laura Rubio-Sanz Mónica Lanza Manuel González-Guerrero Rosa Isabel Prieto Belén Brito Michelle G. Giglio Luis Rey Tomás Ruiz-Argüeso José M. Palacios Juan Imperial |
author_sort |
Carmen Sánchez-Cañizares |
title |
Genomic Diversity in the Endosymbiotic Bacterium Rhizobium leguminosarum |
title_short |
Genomic Diversity in the Endosymbiotic Bacterium Rhizobium leguminosarum |
title_full |
Genomic Diversity in the Endosymbiotic Bacterium Rhizobium leguminosarum |
title_fullStr |
Genomic Diversity in the Endosymbiotic Bacterium Rhizobium leguminosarum |
title_full_unstemmed |
Genomic Diversity in the Endosymbiotic Bacterium Rhizobium leguminosarum |
title_sort |
genomic diversity in the endosymbiotic bacterium rhizobium leguminosarum |
publisher |
MDPI AG |
series |
Genes |
issn |
2073-4425 |
publishDate |
2018-01-01 |
description |
Rhizobium leguminosarum bv. viciae is a soil α-proteobacterium that establishes a diazotrophic symbiosis with different legumes of the Fabeae tribe. The number of genome sequences from rhizobial strains available in public databases is constantly increasing, although complete, fully annotated genome structures from rhizobial genomes are scarce. In this work, we report and analyse the complete genome of R. leguminosarum bv. viciae UPM791. Whole genome sequencing can provide new insights into the genetic features contributing to symbiotically relevant processes such as bacterial adaptation to the rhizosphere, mechanisms for efficient competition with other bacteria, and the ability to establish a complex signalling dialogue with legumes, to enter the root without triggering plant defenses, and, ultimately, to fix nitrogen within the host. Comparison of the complete genome sequences of two strains of R. leguminosarum bv. viciae, 3841 and UPM791, highlights the existence of different symbiotic plasmids and a common core chromosome. Specific genomic traits, such as plasmid content or a distinctive regulation, define differential physiological capabilities of these endosymbionts. Among them, strain UPM791 presents unique adaptations for recycling the hydrogen generated in the nitrogen fixation process. |
topic |
Rhizobium leguminosarum nitrogen fixation symbiosis genome plasmid |
url |
http://www.mdpi.com/2073-4425/9/2/60 |
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doaj-a1c37d28f9db4b88b99577f09a4afdc42020-11-24T21:24:40ZengMDPI AGGenes2073-44252018-01-01926010.3390/genes9020060genes9020060Genomic Diversity in the Endosymbiotic Bacterium Rhizobium leguminosarumCarmen Sánchez-Cañizares0Beatriz Jorrín1David Durán2Suvarna Nadendla3Marta Albareda4Laura Rubio-Sanz5Mónica Lanza6Manuel González-Guerrero7Rosa Isabel Prieto8Belén Brito9Michelle G. Giglio10Luis Rey11Tomás Ruiz-Argüeso12José M. Palacios13Juan Imperial14Centro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM)—Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Campus de Montegancedo UPM, 28223 Madrid, SpainCentro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM)—Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Campus de Montegancedo UPM, 28223 Madrid, SpainCentro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM)—Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Campus de Montegancedo UPM, 28223 Madrid, SpainInstitute for Genome Sciences (IGS), University of Maryland School of Medicine, Baltimore, MD 21201, USACentro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM)—Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Campus de Montegancedo UPM, 28223 Madrid, SpainCentro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM)—Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Campus de Montegancedo UPM, 28223 Madrid, SpainCentro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM)—Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Campus de Montegancedo UPM, 28223 Madrid, SpainCentro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM)—Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Campus de Montegancedo UPM, 28223 Madrid, SpainCentro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM)—Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Campus de Montegancedo UPM, 28223 Madrid, SpainCentro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM)—Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Campus de Montegancedo UPM, 28223 Madrid, SpainInstitute for Genome Sciences (IGS), University of Maryland School of Medicine, Baltimore, MD 21201, USACentro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM)—Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Campus de Montegancedo UPM, 28223 Madrid, SpainCentro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM)—Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Campus de Montegancedo UPM, 28223 Madrid, SpainCentro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM)—Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Campus de Montegancedo UPM, 28223 Madrid, SpainCentro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM)—Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Campus de Montegancedo UPM, 28223 Madrid, SpainRhizobium leguminosarum bv. viciae is a soil α-proteobacterium that establishes a diazotrophic symbiosis with different legumes of the Fabeae tribe. The number of genome sequences from rhizobial strains available in public databases is constantly increasing, although complete, fully annotated genome structures from rhizobial genomes are scarce. In this work, we report and analyse the complete genome of R. leguminosarum bv. viciae UPM791. Whole genome sequencing can provide new insights into the genetic features contributing to symbiotically relevant processes such as bacterial adaptation to the rhizosphere, mechanisms for efficient competition with other bacteria, and the ability to establish a complex signalling dialogue with legumes, to enter the root without triggering plant defenses, and, ultimately, to fix nitrogen within the host. Comparison of the complete genome sequences of two strains of R. leguminosarum bv. viciae, 3841 and UPM791, highlights the existence of different symbiotic plasmids and a common core chromosome. Specific genomic traits, such as plasmid content or a distinctive regulation, define differential physiological capabilities of these endosymbionts. Among them, strain UPM791 presents unique adaptations for recycling the hydrogen generated in the nitrogen fixation process.http://www.mdpi.com/2073-4425/9/2/60Rhizobium leguminosarumnitrogen fixationsymbiosisgenomeplasmid |