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
Bronze
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