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
作者： Song, Lili 1 ; Gao, Haiyan 1 ; Chen, Wenxuan 1 ; Chen, Hangjun 1 ; Mao, Jinlin 1 ; Zhou, Yongjun 1 ; Duan, Xuewu 2 ; Joyc 1 ;
作者机构： 1.Zhejiang Acad Agr Sci, Food Res Inst, Hangzhou 310021, Zhejiang, Peoples R China
2.Chinese Acad Sci, S China Inst Bot, Guangzhou 510650, Leyiju, Peoples R China
3.Univ Queensland, Dept Land Crop & Food Sci, Gatton, Qld 4343, Australia
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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