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Diversity of physiological and biochemical characters of the Microdochium fungi
Chemistry & Biodiversity ( IF 2.3 ) Pub Date : 2020-07-08 , DOI: 10.1002/cbdv.202000294
Olga P Gavrilova 1 , Aleksandra S Orina 1 , Elizaveta D Kessenikh 2 , Lyudmila K Gustyleva 2 , Elena I Savelieva 2 , Nadezhda N Gogina 3 , Tatiana Yu Gagkaeva 1
Affiliation  

The biological characterization of Microdochium majus, M. nivale, and M. seminicola strains with wide geographical origins showed the diversity of their pathogenic properties and metabolite compounds, allowing them to exist in their habitats. Significant differences in the ability of Microdochium fungi to cause lesions on wheat and oat leaves were found. The intensity of symptoms depended on the species and substrate origin of the strains. On average M. seminicola strains were able to cause less leaf necrosis than M. majus and M nivale. The volatile organic compound (VOC) profile of Microdochium fungi included 29 putative fungal metabolites. The spectrum of the identified VOCs in M. seminicola strains was much richer than that in M. majus and M. nivale strains. In addition, the strains of M. seminicola emitted at least six sesquiterpenes. Mycotoxin analysis by HPLC-MS/MS revealed that the analysed Microdochium strains did not produce any toxic metabolites typically produced by filamentous fungi.

中文翻译:

Microdochium真菌生理生化特征的多样性

具有广泛地理起源的 Microdochium majus、M. nivale 和 M. seminicola 菌株的生物学特征表明其致病特性和代谢物化合物的多样性,使它们能够存在于其栖息地中。发现 Microdochium 真菌对小麦和燕麦叶片造成损害的能力存在显着差异。症状的强度取决于菌株的种类和底物来源。平均而言,M. seminicola 菌株能够比 M. majus 和 M nivale 引起更少的叶片坏死。Microdochium 真菌的挥发性有机化合物 (VOC) 谱包括 29 种推定的真菌代谢物。M. seminicola 菌株中鉴定出的 VOCs 谱比 M. majus 和 M. nivale 菌株丰富得多。此外,M. seminicola 菌株至少释放出六种倍半萜烯。
更新日期:2020-07-08
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