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Role of phospholipase C in banana in response to anthracnose infection

文献类型： 外文期刊

作者： Shuai, Liang 1 ; Li, Li 3 ; Sun, Jian 1 ; Liao, Lingyan 2 ; Duan, Zhenhua 2 ; Li, Changbao 3 ; He, Xuemei 3 ;

作者机构： 1.Guangxi Acad Agr Sci, Guangxi Crop Genet Improvement & Biotechnol Key L, 174 East Daxue Rd, Nanning 530007, Peoples R China

2.Hezhou Univ, Inst Food Sci & Engn Technol, Coll Food & Biol Engn, Hezhou, Guangxi China, Peoples R China

3.Guangxi Acad Agr Sci, Guangxi Key Lab Fruits & Vegetables Storage Proc, Nanning, Peoples R China

4.Guangxi Acad Agr Sci, Agrofood Sci & Technol Res Inst, Nanning, Peoples R China

关键词： anthracnose resistance; banana; phospholipase C

期刊名称：FOOD SCIENCE & NUTRITION （ 影响因子：2.863； 五年影响因子：3.141 ）

ISSN： 2048-7177

年卷期： 2020 年 8 卷 2 期

页码：

收录情况： SCI

摘要： Phospholipase C (PLC) plays an important role in plant immunity, and anthracnose caused by the Colletotrichum species is a common postharvest disease of the banana fruit. This study aims to evaluate the role of PLC in anthrax resistance in banana. The experimental group of banana samples was treated with a banana anthracnose conidia suspension, and the control group was treated with distilled water. After inoculation, the groups were sprayed with ethephon, and indicators, such as hardness and conductivity changes; PLC activity, 1,2-diacylglycerol (DAG) and phosphatidic acid (PA)content; and MaPLC-1and MaPLC-2 expression levels, were assessed at 0, 3, 6, 9, 12, and 15 days. Moreover, the expression levels of MaPLC-1 and MaPLC-2 were detected in various tissues. The hardness of banana fruits in the experimental group decreased faster than that in the control group. Furthermore, the conductivity was higher in the experimental group than in the control group. Regarding PLC activity, DAG, and PA content, bananas in the experimental group showed higher activities than those in the control group. Moreover, relatively higher expression of PLC mRNA was detected in anthracnose-inoculated tissues. The evaluation of MaPLC-1 and MaPLC-2 expression levels showed that the mature peel had the highest MaPLC-1 expression level. However, the MaPLC-2 gene was expressed at relatively low levels in the fruit and at relatively high levels in the flower organs. PLC might play a role in fruit ripening in response to anthracnose resistance.

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