The role of 1-methylcyclopropene in lignification and expansin gene expression in peeled water bamboo shoot (Zizania caduciflora L.)
文献类型: 外文期刊
第一作者: Song, Lili
作者: Song, Lili;Gao, Haiyan;Chen, Wenxuan;Chen, Hangjun;Mao, Jinlin;Zhou, Yongjun;Duan, Xuewu;Joyce, Daryl C.
作者机构:
关键词: expansin;1-MCP;lignification;water bamboo shoot
期刊名称:JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE ( 影响因子:3.638; 五年影响因子:3.802 )
ISSN: 0022-5142
年卷期: 2011 年 91 卷 14 期
页码:
收录情况: SCI
摘要: BACKGROUND: Water bamboo shoot (WBS) (Zizania caduciflora L.) is a fleshy aquatic vegetable susceptible to lignification. In this study, effects of 1-methylcyclopropene (1-MCP) anti-ethylene treatment on lignification of harvested peeled WBS were investigated. RESULTS: Peeled shoots were treated with 0.5 mu L L-1 1-MCP for 20 h at 20 degrees C and then stored at 20 degrees C for up to 9 days. Sensory quality, lignin content and activities of the lignification-associated enzymes peroxidase (POD) and phenylalanine ammonia lyase (PAL) were evaluated. Expression of expansin (ZcExp) was also assessed. 1-MCP application maintained better sensory quality and inhibited the increase in lignin content. Lessened lignification was associated with reduced activities of POD and PAL. Moreover, 1-MCP-treated shoots showed lower expression of the ZcExp gene. CONCLUSION: 1-MCP pretreatment suppressed the synthesis of lignin and thereby delayed lignification in peeled WBS. (C) 2011 Society of Chemical Industry
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