Genus-wide analysis of Trichoderma antagonism toward Pythium and Globisporangium plant pathogens and the contribution of cellulases to the antagonism
文献类型： 外文期刊
作者： Chen, Siqiao 1 ; Daly, Paul 3 ; Anjago, Wilfred Mabeche 3 ; Wang, Rong 3 ; Zhao, Yishen 3 ; Wen, Xian 3 ; Zhou, Dongmei 3 ; Deng, Sheng 3 ; Lin, Xisha 5 ; Voglmeir, Josef 5 ; Cai, Feng 1 ; Shen, Qirong 1 ; Druzhinina, Irina S. 6 ; Wei, Lihui 3 ;
作者机构： 1.Nanjing Agr Univ, Key Lab Organ Based Fertilizers China, Nanjing, Peoples R China
2.Nanjing Agr Univ, Jiangsu Prov Key Lab Solid Organ Waste Utilizat, Nanjing, Peoples R China
3.Jiangsu Acad Agr Sci, Inst Plant Protect, Key Lab Food Qual & Safety Jiangsu Prov, State Key Lab Breeding Base, Nanjing, Peoples R China
4.Henan Univ Sci & Technol, Coll Food & Bioengn, Luoyang, Peoples R China
5.Nanjing Agr Univ, Coll Food Sci & Technol, Glyc & Glycan Bioengn Res Ctr GGBRC, Nanjing, Peoples R China
6.Royal Bot Gardens Kew, Dept Accelerated Taxon, London, England
关键词： Trichoderma; Pythium; genus-wide analysis; parasitism; exo-proteomics; Globisporangium
期刊名称：APPLIED AND ENVIRONMENTAL MICROBIOLOGY （ 影响因子：3.9； 五年影响因子：4.6 ）
ISSN： 0099-2240
年卷期： 2024 年
页码：
收录情况： SCI
摘要： Parasitism is an important lifestyle in the Trichoderma genus but has not been studied in a genus-wide way toward Pythium and Globisporangium hosts. Our approach screened a genus-wide set of 30 Trichoderma species in dual culture assays with two soil-borne Pythium and three Globisporangium plant-parasitic species and used exo-proteomic analyses, with the aim to correlate Trichoderma antagonism with potential strategies for attacking Pythium and Globisporangium. The Trichoderma spp. showed a wide range of antagonism from strong to weak, but the same Trichoderma strain showed similar levels toward all the Pythium and Globisporangium species. The Trichoderma enzymes from strong (Trichoderma asperellum, Trichoderma atroviride, and Trichoderma virens), moderate (Trichoderma cf. guizhouense and Trichoderma reesei), and weak (Trichoderma parepimyces) antagonists were induced by the autoclaved mycelia of one of the screened Pythium species, Pythium myriotylum. The variable proportions of putative cellulases, proteases, and redox enzymes suggested diverse as well as shared strategies amongst the antagonists. There was a partial positive correlation between antagonism from microscopy and the cellulase activity induced by autoclaved P. myriotylum mycelia in different Trichoderma species. The deletion of the cellulase transcriptional activator XYR1 in T. reesei led to lower antagonism toward Pythium and Globisporangium. The antagonism of Pythium and Globisporangium appears to be a generic property of Trichoderma as most of the Trichoderma species were at least moderately antagonistic. While a role for cellulases in the antagonism was uncovered, cellulases did not appear to make a major contribution to T. reesei antagonism, and other factors are also likely contributing.
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