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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제26권 제3호
- 발행연도
- 2016.1
- 수록면
- 549 - 557 (9page)
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초록· 키워드
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Aphids are a large group of hemipteran pests that affect the physiology, growth, and development of plants by using piercing mouthparts to consume fluids from the host. Based an recent data, aphids modulate the microbiomes of plants and thereby affect the overall outcome of the biological interaction. However, in a few reports, aboveground aphids manipulate the metabolism of the host and facilitate infestations by rhizosphere bacteria (rhizobacteria). In this study, we evaluated whether aphids alter the plant resistance that is mediated by the bacterial community of the root system. The rhizobacteria were affected by aphid infestation of pepper, and a large population of gram-positive bacteria was detected. Notably, Paenibacillus spp. were the unique gram-positive bacteria to respond to changes induced by the aphids. Paenibacillus polymyxa E681 was used as a rhizobacterium model to assess the recruitment of bacteria to the rhizosphere by the phloem-sucking of aphids and to test the effect of P. polymyxa on the susceptibility of plants to aphids. The root exudates secreted from peppers infested with aphids increased the growth rate of P. polymyxa E681. The application of P. polymyxa E681 to pepper roots promoted the colonization of aphids within 2 days of inoculation. Collectively, our results suggest that aphid infestation modulated the root exudation, which led to the recruitment of rhizobacteria that manipulated the resistance of peppers to aphids. In this study, new information is provided on how the infestation of insects is facilitated through insect-derived modulation of plant resistance with the attraction of gram-positive rhizobacteria.
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참고문헌 (40)
참고문헌 신청
Bais HP / 2006 / The role of root exudates in rhizosphere interactions with plants and other organisms / Annu. Rev. Plant Biol 57:233~266
Chen Z / 2007 / Pseudomonas syringae type III effector AvrRpt2 alters Arabidopsis thaliana auxin physiology / Proc. Natl. Acad. Sci. USA 104:20131~20136
CHEONG, HOON / 2005 / Diversity of Root-Associated Paenibacillus spp. in Winter Crops from theSouthern Part of Korea / Journal of Microbiology and Biotechnology 15(6):1286~1298
de Weert S / 2002 / Flagella-driven chemotaxis towards exudate components is an important trait for tomato root colonization by Pseudomonas fluorescens / Mol. Plant Microbe Interact 15:1173~1180
Dean JM / 2014 / Plant dependence on rhizobia for nitrogen influences induced plant defenses and herbivore performance / Int. J. Mol. Sci 15:1466~1480
Chen Z / 2007 / Pseudomonas syringae type III effector AvrRpt2 alters Arabidopsis thaliana auxin physiology / Proc. Natl. Acad. Sci. USA 104:20131~20136
CHEONG, HOON / 2005 / Diversity of Root-Associated Paenibacillus spp. in Winter Crops from theSouthern Part of Korea / Journal of Microbiology and Biotechnology 15(6):1286~1298
de Weert S / 2002 / Flagella-driven chemotaxis towards exudate components is an important trait for tomato root colonization by Pseudomonas fluorescens / Mol. Plant Microbe Interact 15:1173~1180
Dean JM / 2014 / Plant dependence on rhizobia for nitrogen influences induced plant defenses and herbivore performance / Int. J. Mol. Sci 15:1466~1480
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