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基于形态学和分子标记对霍氏鬼伞属浙江省新记录种的鉴定

Identification of a Newly Recorded Species of Hausknechtia leucosticta in Zhejiang Province Based on Morphology and Molecular Markers

  • 摘要: 霍氏鬼伞属Hausknechtia隶属于担子菌门Basidiomycota伞菌纲Agaricomycetes伞菌目Agaricales小脆柄菇科Psathyrellaceae,目前该属已发现的物种较少。本文报道了在对浙江省江山市进行大型真菌资源调查时采集到的一株大型真菌,并结合形态特征及分子生物学手段对其进行了鉴定。基于邻接法,使用ITS序列和LSU序列构建系统发育树进行分析,结果表明样本标号为2023070414的大型真菌为霍氏鬼伞属的白斑霍氏鬼伞Hausknechtia leucosticta(Pat.) Tkalčec, J.Q. Yan, C.F. Nie & C.K. Pradeep。相关文献表明该物种为浙江省新记录种。本研究结果丰富了浙江省大型真菌多样性,为进一步研究中国及浙江省菌物分类、分布及其多样性提供参考。

     

    Abstract: The genus Hausknechtia belongs to the family Psathyrellaceae, order Agaricales, class Agaricomycetes, phylum Basidiomycota. Only a few species of this genus have been discovered so far. This paper reported that a macrofungus specimen collected during a survey of macrofungal resources in Jiangshan City, Zhejiang Province, was identified on the basis of morphological characteristics and molecular biological methods. A phylogenetic tree was constructed using the Neighbor-Joining method with ITS and LSU sequences. The results showed that the macrofungus specimen labeled 2023070414 belonged to Hausknechtia leucosticta (Pat.) Tkalčec, J.Q. Yan, C.F. Nie & C.K. Pradeep. Relevant literature indicated that this species was a newly recorded species for Zhejiang Province. The result enriches the macrofungal diversity in Zhejiang Province and provides a reference for further studies on the taxonomy, distribution and diversity of fungi in Zhejiang Province and even in China.

     

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