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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2015.1
- 수록면
- 37 - 45 (9page)
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TomloxD is a lipoxygenase from Lycopersiconesculentum Mill, which has lipoxygenase activity. Theexpression of TomloxD can be stimulated by wounding,pathogen infection, jasmonate, and systemin. To investigatethe function of TomloxD, transgenic tomato plantssilencing tomloxD gene was produced. The suppression ofTomloxD expression led to a marked reduction in the levelsof lipoxygenase activity and endogenous jasmonic acidcontent, which suggested TomloxD can catalyze a-linolenicacids to produce (13S)-hydroperoxyoctadecatrienoicacid (13-HPOT), and the 13-HPOT is metabolized furtherto synthesize jasmonic acid. Real-time RT-PCR revealedthat the expression of defense genes LeHSP90, LePR1 andLePR6 was also less in the transformants than in the wildtypetomato plant. Resistance assay showed that the suppressionof TomloxD in transgenic tomato plants reducedthermotolerance of tomato and increased its susceptibilityto Cladosporium fulvum. Collectively, the data presentedhere suggest that the TomloxD plays a role as a componentof the octadecanoid defense-signaling pathway andinvolved in the generation of endogenous jasmonic acid,and in turn regulates the expression of plant defense genesand resistance to high temperature and pathogen attack.
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참고문헌 (24)
참고문헌 신청
Acosta IF / 2009 / Tasselseed1 is a lipoxygenase affecting jasmonic acid signaling in sex determination of maize / Science 323 : 262 ~ 265
Baldwin IT / 1997 / Quantification, correlations and manipulations of wound-induced changes in jasmonic acid and nicotine in Nicotiana sylvestris / Planta 201 : 397 ~ 404
Balint-Kurti RJ / 1994 / RFLP linkage analysis of the Cf-4 and Cf-9 genes for resistance to Cladosporium fulvum in tomato / Theor Appl Genet 88 : 691 ~ 700
Bell E / 1995 / A chloroplast lipoxygenase is required for wound-induced jasmonic acid accumulation in Arabidopsis / Proc Natl Acad Sci USA 92 : 8675 ~ 8679
Boue´ SM / 2005 / Effect of soybean lipoxygenase on volatile generation and inhibition of Aspergillus flavus mycelial growth / J Agric Food Chem 53 : 4778 ~ 4783
Baldwin IT / 1997 / Quantification, correlations and manipulations of wound-induced changes in jasmonic acid and nicotine in Nicotiana sylvestris / Planta 201 : 397 ~ 404
Balint-Kurti RJ / 1994 / RFLP linkage analysis of the Cf-4 and Cf-9 genes for resistance to Cladosporium fulvum in tomato / Theor Appl Genet 88 : 691 ~ 700
Bell E / 1995 / A chloroplast lipoxygenase is required for wound-induced jasmonic acid accumulation in Arabidopsis / Proc Natl Acad Sci USA 92 : 8675 ~ 8679
Boue´ SM / 2005 / Effect of soybean lipoxygenase on volatile generation and inhibition of Aspergillus flavus mycelial growth / J Agric Food Chem 53 : 4778 ~ 4783
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