Divergent genes in potential inoculant Sinorhizobium strains are related to DNA replication, recombination, and repair

Petri Juhani Penttinen, Dario Greco, Victoria Muntyan, Zewdu Terefework, Philippe De Lajudie, Marina Roumiantseva, Anke Becker, Petri Olli Viljami Auvinen, Anna Kristina Lindström

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Sammanfattning

To serve as inoculants of legumes, nitrogen-fixing rhizobium strains should be competitive and tolerant of diverse environments. We hybridized the genomes of symbiotically efficient and salt tolerant Sinorhizobium inoculant strains onto the Sinorhizobium meliloti Rm1021 microarray. The number of variable genes, that is, divergent or putatively multiplied genes, ranged from 503 to 1556 for S. meliloti AK23, S. meliloti STM 1064 and S. arboris HAMBI 1552. The numbers of divergent genes affiliated with the symbiosis plasmid pSymA and related to DNA replication, recombination and repair were significantly higher than expected. The variation was mainly in the accessory genome, implying that it was important in shaping the adaptability of the strains.
Originalspråkengelska
TidskriftJournal of Basic Microbiology
Volym56
Utgåva6
Sidor (från-till)680-685
Antal sidor6
ISSN0233-111X
DOI
StatusPublicerad - 16 feb 2016
MoE-publikationstypA1 Tidskriftsartikel-refererad

Vetenskapsgrenar

  • 1183 Växtbiologi, mikrobiologi, virologi
  • 1184 Genetik, utvecklingsbiologi, fysiologi

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