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    Home > Biochemistry News > Microbiology News > Chemistry and Blythe: Secondary metabolites in thermal-emotic fungus and column-top spores.

    Chemistry and Blythe: Secondary metabolites in thermal-emotic fungus and column-top spores.

    • Last Update: 2020-07-28
    • Source: Internet
    • Author: User
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    Thermomyces lanuginosus and scytalidium thermophilum are the most common thermophilic fungi in compost and soil.twenty three secondary metabolites, including a new compound, were isolated from Thermomyces lanuginosus and scytalidium thermophilum isolated from the redI Park of Tengchong, Yunnan Province. All compounds were reported from these two strains for the first time. Polyketide derived metabolites 3,4-dihydronaphthoquinone-1 (2H) - one (6,7 and 19) were found in both thermophilic fungi. They are widely distributed in plant pathogenic fungi as phytotoxins and have been reported to have a wide range of biological activities, such as antibacterial activity, indicating that they may have special chemical and ecological significance.key words thermophilic fungi, Trichosporon Sparganium, thermophilic bacteria of stigmata, secondary metabolites, 3,4-dihydronaphthalen-1 (2H) - ones are the only eukaryotes that can grow and reproduce at 45-60 ° C.they are the main components of the microflora in the geothermal environment, such as rotten plant matter, including piles of agricultural and forestry products, piles of plant materials and compost, and are considered as potential sources of thermostable enzymes with scientific and commercial application value.Tengchong is the most concentrated, spectacular and typical volcanic geothermal area in China, and is a valuable heritage of Quaternary volcanic activities.the most remarkable feature of Tengchong volcano is the unique landform of coexistence of volcano and geothermal energy. The distribution of thermophilic fungi in Tengchong Hot Spring National Geopark in Yunnan Province showed that the dominant species were Trichomonas thermophila and thermophila stylospora, with the abundance of 34.78% and 28.26%, respectively.Professor Niu Xuemei from the State Key Laboratory jointly constructed by the Ministry and province of Yunnan University has discovered a series of novel 13 membered macrolide compounds with nematicidal activity from thermophilic fungi DuPont and Trichosporon. In the study on the chemical constituents of two dominant thermophilic fungi, Trichosporon and stylospora collected in Tengchong Park, 23 Secondary metabolites.among them, therlanubatanolide (1) has the same carbon skeleton and saturation as natural hexadecanoic acid, which is the first time to discover the natural lactone metabolite of this natural hexadecanoic acid; compound 2 is the first reported natural sphingosine metabolite; the main type of products obtained from hyphomycete oleracea is long-chain fatty acid derived metabolites (1) -4), polyketide derivatives (5 - 7), cyclic peptides (9 - 11) and ergosterol (13 - 16).the main types of products obtained from stigmata are polyketide derivatives (17-19), Bisindole alkaloids (20), terpenoids (21) and cyclic peptides (22, 23).this discovery may indicate the unique chemical ecological significance of the two fungi.interestingly, polyketide derivatives 6, 7 and 19 were obtained from these two fungi.these compounds are widely found in plant pathogenic fungi and have phytotoxin effect, which indicates that these dominant thermophilic fungi and characteristic normal temperature pathogenic fungi have the similar evolution phenomenon in the biosynthesis and action of these compounds.and provide new enlightenment for the ecological functions of these metabolites in fungi.the project was supported by the National Natural Science Foundation of China Yunnan joint project (u1502262), National Natural Science Foundation of China (2197708621867018), Yunling scholars of Yunnan Province and talent cultivation program of Yunnan University.this paper was published in the form of front cover on Chemistry & amp; bioversity, DOI: 10.1002/cbdv.202000137.Author: Xiao Yu Yang, Jun Xian Zhang, Qiu Yan Ding, Zi Cong he, Chun Yan Zhu, Ke Qin Zhang, Xue Mei Niu * link:
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