Pathogenic Fungi Diversity of 'CuiXiang' Kiwifruit Black Spot Disease during Storage

文献类型： 外文期刊

第一作者： Yang, Yaming

作者： Yang, Yaming;Chen, Lijuan;Wang, Chenyu;Peng, Honghui;Yin, Weijie;Li, Rui;Liu, Cuihua;Ren, Xiaolin;Ding, Yuduan;Chen, Lijuan

作者机构：

关键词： black spot; 'CuiXiang'; kiwifruit; internal transcribed spacer sequencing; transcriptome analysis

期刊名称：HORTICULTURAE （ 影响因子：2.923； 五年影响因子：3.582 ）

ISSN：

年卷期： 2022 年 8 卷 1 期

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收录情况： SCI

摘要： Kiwifruit black spot disease has become increasingly widespread in many 'CuiXiang' kiwifruit plantings regions. This research was aimed at the pathogenic microorganisms of black spot of the 'CuiXiang' cultivar. Physiological, morphological and transcriptional characteristics between black spot fruit and healthy fruits were evaluated. Then, it applied a high-throughput internal transcribed spacer (ITS) sequencing to analyze the black spot disease microbial community. The cell structure showed that mycelium was attached to the surface of the kiwifruit through black spot, and that consequently the mitochondria were damaged, starch particles were reduced, and shelf life was shortened. Transcriptome revealed that different genes in kiwifruit with black spot disease were involved in cell wall modification, pathogen perception, and signal transduction. ITS sequencing results described the disease-causing fungi and found that the microbial diversity of black spot-diseased fruit was lower than that of healthy fruit. We predict that candidate pathogenic fungi Cladosporium cladosporioides, Diaporthe phaseolorum, Alternaria alternata, and Trichothecium roseum may cause black spot. This study was to explore the pathogenic fungal community of 'CuiXiang' kiwifruit black spot disease and to provide essential information for field prevention.

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