Article

Russian Journal of Plant Physiology

, Volume 48, Issue 4, pp 514-517

Plant Growth and Morphogenesis in vitroIs Promoted by Associative Methylotrophic Bacteria

  • M. A. KalyaevaAffiliated withShemyakin–Ovchinnikov Institute of Bioorganic Chemistry, Pushchino Branch, Russian Academy of Sciences
  • , N. S. ZacharchenkoAffiliated withShemyakin–Ovchinnikov Institute of Bioorganic Chemistry, Pushchino Branch, Russian Academy of Sciences
  • , N. V. DoroninaAffiliated withInstitute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences
  • , E. B. RukavtsovaAffiliated withShemyakin–Ovchinnikov Institute of Bioorganic Chemistry, Pushchino Branch, Russian Academy of Sciences
  • , E. G. IvanovaAffiliated withInstitute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences
  • , V. V. AlekseevaAffiliated withShemyakin–Ovchinnikov Institute of Bioorganic Chemistry, Pushchino Branch, Russian Academy of Sciences
  • , Yu. A. TrotsenkoAffiliated withInstitute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences
  • , Ya. I. Bur'yanovAffiliated withShemyakin–Ovchinnikov Institute of Bioorganic Chemistry, Pushchino Branch, Russian Academy of Sciences

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Abstract

The effects of aerobic methylotrophic bacteria Methylovorus mayson growth and morphogenesis were studied in in vitropropagated tobacco, potato, and flax. Colonization of plant explants with the methylo-trophic bacteria led to the stable association of bacteria and plants and enhanced the growth and the capacity of the latter for regeneration and root formation. When colonized by the methylotrophic bacteria, the rootless transgenic tobacco plants carrying the agrobacterial cytokinin gene iptrestored their ability to form roots. These data indicate the possibility to employ methylotrophic bacteria as a tool in experimental biology and plant biotechnology.

Nicotiana tabacum Linum usitatissimum Solanum tuberosum methylotrophic bacteria colonization micropropagation plant regeneration root formation