지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2018.1
- 수록면
- 857 - 864 (8page)
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초록· 키워드
오류제보하기
Although much work has explored how microbes can benefit plant growth, the mechanisms underlying this intriguing process remain largely unknown, especially considering the diversity of bacteria that surrounds plants. The objective of the present study was to identify bacterial genes contributing to plant–microbe associations, beneficial effects, and host specificities. For this purpose, comparative genomics investigation of 151 plant-associated bacteria was performed. A principal component analysis of seven key genomic features revealed patterns in the specific properties of these bacteria: N2- fixing bacteria were more closely related to pathogenic ones than to beneficial bacteria. A common set of genes over-represented in these plant-associated bacteria were found to be remarkably similar in terms of (1) genetic information processing, (2) amino acid metabolism, (3) metabolism of cofactors and vitamins, (4) nucleotide metabolism, (5) human diseases, and (6) metabolism of terpenoids and polyketides. Although we did not detect a common genetic basis for these beneficial effects, further in-depth analysis revealed that each of five beneficial bacterial groups shared specific gene sets. Functional annotation showed that environmental information processing, genetic information processing and cellular processes predominated in these beneficial groups. Hypothesizing that plant-associated bacteria may have overlapping strategies to colonize their plant hosts, we successfully identified many putative genes that determine host specificities. Most of these genes were classified as transcription factors, enzymes, transporters, and chemotaxis regulators. Comparative genomics provides a powerful tool for helping to identify genes that are common among species. Genome-based views of plant-associated bacteria reveal specific interactions between bacteria and plant hosts.
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참고문헌 (28)
참고문헌 신청
Bashan Y / 2010 / How the plant growth-promoting bacterium Azospirillum promotes plant growth-a critical assessment / Adv Agron 108:77~136
Berg G / 2009 / Plant-microbe interactions promoting plant growth and health: perspectives for controlled use of microorganisms in agriculture / Appl Microbiol Biotechnol 84:11~18
Black M / 2012 / The genetics of symbiotic nitrogen fixation: comparative genomics of 14 rhizobia strains by resolution of protein clusters / Genes (Basel) 3:138~166
Bruto M / 2014 / Analysis of genes contributing to plant-beneficial functions in plant growth-promoting rhizobacteria and related proteobacteria / Sci Rep 4:6261
Bulgarelli D / 2013 / Structure and functions of the bacterial microbiota of plants / Annu Rev Plant Biol 64:807~838
Berg G / 2009 / Plant-microbe interactions promoting plant growth and health: perspectives for controlled use of microorganisms in agriculture / Appl Microbiol Biotechnol 84:11~18
Black M / 2012 / The genetics of symbiotic nitrogen fixation: comparative genomics of 14 rhizobia strains by resolution of protein clusters / Genes (Basel) 3:138~166
Bruto M / 2014 / Analysis of genes contributing to plant-beneficial functions in plant growth-promoting rhizobacteria and related proteobacteria / Sci Rep 4:6261
Bulgarelli D / 2013 / Structure and functions of the bacterial microbiota of plants / Annu Rev Plant Biol 64:807~838
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