共 45 条
Postharvest treatment with trans-2-hexenal induced resistance against Botrytis cinerea in tomato fruit
被引:30
作者:
Guo, Moran
[1
,2
,4
]
Feng, Jizhen
[5
]
Zhang, Pengying
[1
,2
,3
]
Jia, Liyun
[5
]
Chen, Kaoshan
[1
,2
,3
]
机构:
[1] Shandong Univ, Natl Glycoengn Res Ctr, Jinan 250100, Shandong, Peoples R China
[2] Shandong Univ, Coll Life Sci, Jinan 250100, Shandong, Peoples R China
[3] Shandong Univ, State Key Lab Microbial Technol, Jinan 250100, Shandong, Peoples R China
[4] Shijiazhuang Ctr Dis Control & Prevent, Shijiazhuang 050000, Hebei, Peoples R China
[5] Shijiazhuang Maternal & Child Hlth Care Hosp, Shijiazhuang 050000, Hebei, Peoples R China
关键词:
Induced systemic resistance;
JA/ET-mediated pathway;
Tomato;
Trans-2-hexenal;
D O I:
10.1007/s13313-014-0331-6
中图分类号:
Q94 [植物学];
学科分类号:
071001 ;
摘要:
Trans-2-hexenal is a biocidal molecule released in many fruits and vegetables. In this paper, the effects of trans-2-hexenal on the control of postharvest diseases in tomato fruits were investigated. We indicated that the incidence of natural infection and infection by Botrytis cinerea in tomato fruits was significantly decreased after treatment with trans-2-hexenal. Trans-2-hexenal increased the mRNA levels of genes encoding ethylene receptors, lipoxygenase and phenylalanine ammonia lyase (PAL), but did not induce the mRNA accumulation of the pathogenesis-related proteins, such as PR-1a or PR-5. The activities of peroxidases and PAL and the accumulation of phenolic compounds were significantly enhanced after trans-2-hexenal treatment. This is the first report of trans-2-hexenal as an elicitor and its ability to control the postharvest diseases in tomato fruits. These results suggest that the controlling effects of trans-2-hexenal on both natural infection and gray mould in tomato fruits might be related to JA/ET-mediated induced systemic resistance.
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页码:121 / 128
页数:8
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