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
- 2015.1
- 수록면
- 40 - 50 (11page)
- DOI
- 10.14348/molcells.2015.2165
이용수
초록· 키워드
오류제보하기
In the interaction between plants and pathogens, carbon (C) resources provide energy and C skeletons to maintain, among many functions, the plant immune system. However, variations in C availability on pathogen associated molecular pattern (PAMP) triggered immunity (PTI) have not been systematically examined. Here, three types of starch mutants with enhanced susceptibility to Pseudomonas syringae pv.
tomato DC3000 hrcC were examined for PTI. In a dark perioddependent manner, the mutants showed compromised induction of a PTI marker, and callose accumulation in response to the bacterial PAMP flagellin, flg22. In combination with weakened PTI responses in wild type by inhibition of the TCA cycle, the experiments determined the necessity of C-derived energy in establishing PTI. Global gene expression analyses identified flg22 responsive genes displaying C supply-dependent patterns. Nutrient recycling-related genes were regulated similarly by C-limitation and flg22, indicating re-arrangements of expression programs to redirect resources that establish or strengthen PTI. Ethylene and NAC transcription factors appear to play roles in these processes. Under C-limitation, PTI appears compromised based on suppression of genes required for continued biosynthetic capacity and defenses through flg22. Our results provide a foundation for the intuitive perception of the interplay between plant nutrition status and pathogen defense.
목차
등록된 정보가 없습니다.
참고문헌 (67)
참고문헌 신청
Asai, T. / 2002 / MAP kinase signalling cascade in Arabidopsis innate immunity / Nature 415:977~983
Baena-Gonzalez, E. / 2007 / A central integrator of transcription networks in plant stress and energy signalling / Nature 448:938~942
Balazadeh, S. / 2008 / Transcription factors regulating leaf senescence in Arabidopsis thaliana / Plant Biol. (Stuttg) 10(Suppl 1):63~75
Balazadeh, S. / 2011 / ORS1, an H(2)O(2)-responsive NAC transcription factor, controls senescence in Arabidopsis thaliana / Mol. Plant 4:346~360
Benhamou, N. / 1991 / Accumulation of beta-fructosidase in the cell walls of tomato roots following infection by a fungal wilt pathogen / Plant Physiol 97:739~750
Baena-Gonzalez, E. / 2007 / A central integrator of transcription networks in plant stress and energy signalling / Nature 448:938~942
Balazadeh, S. / 2008 / Transcription factors regulating leaf senescence in Arabidopsis thaliana / Plant Biol. (Stuttg) 10(Suppl 1):63~75
Balazadeh, S. / 2011 / ORS1, an H(2)O(2)-responsive NAC transcription factor, controls senescence in Arabidopsis thaliana / Mol. Plant 4:346~360
Benhamou, N. / 1991 / Accumulation of beta-fructosidase in the cell walls of tomato roots following infection by a fungal wilt pathogen / Plant Physiol 97:739~750
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