Biodiversity of aerobic methylobacteria associated with the phyllosphere of the southern Moscow region

Капаруллина, Е. Н.; Доронина, Н. В.; Mustakhimov, Ildar I.; Agafonova, N. V.; Trotsenko, Yu. A.

doi:10.1134/s0026261717010076

Cited by 8 publications

(3 citation statements)

References 17 publications

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“…This indicates that the PPFM are ubiquitous inhabitants of groundnut plant leaves. Kaparullina et al (2017) isolated some colorless and yellow-pigmented methylotrophic bacteria from the genera of Methylophilus, Methylobacillus, Hansschlegelia, Methylopila, Xanthobacter, and Paracoccus, in addition to PPFM, from the phyllosphere of herbs, shrubs, and trees. Similarly, we have also isolated several non-pigmented methylotrophic bacteria from the groundnut phyllosphere.…”

Section: Discussionmentioning

confidence: 99%

“…The leaf-associated diazotrophic bacterial community of rainforests plays a vital role in nitrogen fixation in plants (Madhaiyan et al 2015). The ability of phyllosphere bacteria to synthesize auxins has recently been reported (Kaparullina et al 2017). In addition to the use of PGPB as bio-inoculants, several phyllosphere bacteria may also be considered as potential candidates to be bio-inoculants.…”

Section: Discussionmentioning

confidence: 99%

“…Among α-Proteobacteria, methanol utilizing pink-pigmented facultative methylotrophs (PPFM) are abundant in the phyllosphere (Abanda-Nkpwatt et al 2006). Apart from PPFM, non-pigmented methylotrophic bacteria also inhabit the phyllosphere (Kaparullina et al 2017). However, the information regarding bacterial diversity, particularly that of methylotrophic bacteria in groundnut phyllosphere, is yet to be reported.…”

Section: Introductionmentioning

confidence: 99%

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Diversity of culturable methylotrophic bacteria in different genotypes of groundnut and their potential for plant growth promotion

et al. 2018

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This study aimed at documenting the culturable methylotrophic bacterial diversity across different groundnut genotypes and evaluating their effect on the growth of groundnut. 80 methylotrophic bacterial isolates were obtained from the phyllosphere of 15 groundnut genotypes collected from Tamil Nadu, India. The bacterial isolates were identified through sequencing of the 16S rDNA and were tested for their plant growth-promoting properties. Groundnut seeds were inoculated with methylotrophic bacteria and their effect on growth was evaluated via in vitro and pot experiments. Molecular identification revealed that the isolates belonged to 30 different species. A higher diversity of methylotrophic bacteria at genus and species level was found in groundnut genotype TMV2. Shannon diversity index was the highest in genotype TMV7, followed by VRI2 and TMV2. Similarly, geographical location also influenced the diversity of methylotrophic bacteria. In vitro seed germination assay revealed that methylotrophic isolates enhanced root growth and improved formation of root hair. The radicle length of treated seeds ranged from 2.7 to 8.4 cm. A higher shoot length was observed in the plants from seeds treated with VRI8-A4 (27.3 cm), followed by TMV13-A1 (26.3 cm) and K-CO3-3 (23 cm). The findings of this study strongly suggest that beneficial methylotrophic bacteria associated with the phyllosphere of groundnut play a major role in regulating plant growth.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%