Isolation and characterization of functional insertion sequences of rhizobia


Por: Hernandez-Lucas I., Ramirez-Trujillo J.A., Gaitan M.A., Guo X., Flores M., Martinez-Romero E., Perez-Rueda E., Mavingui P.

Publicada: 1 ene 2006
Resumen:
Rhizobia are a group of bacteria that form nodules on the roots of legume host plants. The sequenced genomes of the rhizobia are characterized by the presence of many putative insertion sequences (IS) elements. However, it is unknown whether these IS elements are functional and it is therefore relevant to assess their transposition activity. In this work, several functional insertion sequences belonging to the IS1256, IS3, IS5, IS166, and IS21 families were captured from Rhizobium tropici, Rhizobium sp. NGR234 and Sinorhizobium meliloti, using pGBG1 as a trapping system. In silico analysis shows that homologs of rhizobia mobile elements are present in distantly related genomes, suggesting that Rhizobium IS elements are prone to genetic transfer. © 2006 Federation of European Microbiological Societies. Published by Blackwell Publishing Ltd. All rights reserved.

Filiaciones:
Hernandez-Lucas I.:
 Departamento de Microbiología Molecular, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca, Morelos, Mexico

 Departamento de Microbiología Molecular, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Av. Universidad 2001, Cuernavaca, Morelos 62210, Mexico

Ramirez-Trujillo J.A.:
 Departamento de Microbiología Molecular, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca, Morelos, Mexico

Gaitan M.A.:
 Departamento de Microbiología Molecular, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca, Morelos, Mexico

Guo X.:
 Centro de Ciencias Genómicas, Universidad Nacional Autónoma de México, Cuernavaca, Morelos, Mexico

Flores M.:
 Centro de Ciencias Genómicas, Universidad Nacional Autónoma de México, Cuernavaca, Morelos, Mexico

Martinez-Romero E.:
 Centro de Ciencias Genómicas, Universidad Nacional Autónoma de México, Cuernavaca, Morelos, Mexico

Perez-Rueda E.:
 Departamento de Microbiología Molecular, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca, Morelos, Mexico

Mavingui P.:
 UMR CNRS 5557, Ecologie Microbienne, Université Lyon 1, Villeurbanne, France
ISSN: 03781097
Editorial
Elsevier, 9600 GARSINGTON RD, OXFORD OX4 2DQ, OXON, ENGLAND, Reino Unido
Tipo de documento: Article
Volumen: 261 Número: 1
Páginas: 25-31
WOS Id: 000238748000004
ID de PubMed: 16842354
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