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【内容】
文献共享第四十二期||《Mycokeys》报道韩燕峰课题组在栉霉属分类学新进展
栉霉属Ctenomyces隶属于裸囊菌科Arthrodermataceae,其成员通常嗜角蛋白,为人与动物的病原或潜在病原真菌,多与皮肤病相关。近期国际刊物《Mycokeys》发表了我校生命科学学院真菌资源研究所在栉霉属分类方面的新进展。
Ctenomyces albus (from ex-holotype strain CGMCC 3.19232) A-C. Conidiogenous structures and conidia; D-E. Intercalary conidia; F-G. Colony on PDA at day 14. Scale bars: A-E = 10 µm; F-G = 10 mm
Ctenomyces obovatus (from ex-holotype strain CGMCC 3.19225) A-D. Conidiogenous structures and conidia; E-F. Colony on PDA at day 14. Scale bars: A-D = 10 µm; E-F = 10 mm
Ctenomyces peltricolor (from ex-holotype strain CGMCC 3.19229) A-D. Conidiogenous structures and conidia; E-F. Colony on PDA at day 14. Scale bars: A-D = 10 µm; E-F = 10 mm
Ctenomyces serratus (from strain CGMCC 3.18622) A-E. Conidiogenous structures and conidia; F-G. Colony on PDA at day 14. Scale bars: A-E = 10 µm; F-G = 10 mm
Phylogenetic tree of Arthrodermataceae based on the ITS dataset and Myceliophthora lutea (CBS 145.77 and MUCL 10070) as the outgroup taxon. Numbers at nodes are Bayesian posterior probabilities (left, BPP ≥0.75) and maximum likelihood bootstrap values (right, BS ≥70%).
韩燕峰题组一直致力于微生物生态和嗜角蛋白真菌资源的分类及应用评价,在调查中国区嗜角蛋白真菌资源的过程中,基于形态结合分子系统学的方法,介绍了栉霉属3个新分类单元和1个中国新记录。
该研究基于ITS序列探讨了栉霉属在裸囊菌科中的系统发育地位,同时基于ITS+EF1A+RPB2序列集探讨了该课题组分离获得菌株在栉霉属中的系统发育地位。
Phylogenetic tree of Ctenomyces based on the ITS+EF1A+RPB2 dataset and Myceliophthora lutea (CBS 145.77 and MUCL 10070) as the outgroup taxon. Numbers at nodes are Bayesian posterior probabilities (left, BPP ≥0.9) and maximum likelihood bootstrap values (right, BS≥95%).
参考文献
Zhang Z-Y, Han Y-F, Chen W-H, Liang Z-Q (2019) Phylogeny and taxonomy of three new Ctenomyces (Arthrodermataceae, Onygenales) species from China. MycoKeys 47: 1–16.
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图文:张芝元
编辑:贾正伟