Insights into the mechanism of cyanobacteria removal by the algicidal fungiBjerkandera adustaandTrametes versicolor

文献类型： 外文期刊

第一作者： Han, Guomin

作者： Han, Guomin;Ren, Shenrong;Gao, Xueyan;Zhu, Suwen;Deng, Ruining;Han, Guomin;Zhu, Suwen;Ma, Hui;He, Xiaolong;Zhang, Shihua

作者机构：

关键词： Algicidal fungi; Algicidal mechanism; Decomposition; Endopeptidase; Polysaccharide lyases8; Transcriptomic analysis

期刊名称：MICROBIOLOGYOPEN （ 影响因子：3.139； 五年影响因子：3.503 ）

ISSN： 2045-8827

年卷期： 2020 年 9 卷 8 期

页码：

收录情况： SCI

摘要： Fungal mycelia can eliminate almost all cocultured cyanobacterial cells within a short time. However, molecular mechanisms of algicidal fungi are poorly understood. In this study, a time-course transcriptomic analysis of algicidal fungusBjerkandera adustaT1 was applied to investigate gene expression and regulation. A total of 132, 300, 422, and 823 differentially expressed genes (DEGs) were identified at 6, 12, 24, and 48 hr, respectively. Most DEGs exhibited high endopeptidase activity, cellulose catabolic process, and transmembrane transporter activity by using Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) analyses. Many decomposition genes encoding endopeptidases were induced a little later inB. adustaT1 when compared with previously investigated algicidal fungusTrametes versicolorF21a. Besides, the accumulated expression of Polysaccharide lyases8 (PL8) gene with peptidoglycan and alginate decomposition abilities was greatly delayed inB. adustaT1 relative toT. versicolorF21a. It was implied that endopeptidases and enzymes of PL8 might be responsible for the strong algicidal ability ofB. adustaT1 as well asT. versicolorF21a.

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