亚洲地衣化Lasioloma属两新种

IF 1.6 4区生物学 Q4 MYCOLOGY

Lichenologist Pub Date : 2023-01-01 DOI:10.1017/S0024282923000014

Wei-Cheng Wang, A. Abas, Xinli Wei, X. Qian, Jiangchun Wei

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引用次数: 0

摘要

摘要描述了亚洲地衣化Lasioloma属的两个新种：LasiolomalongiramosumW.C.Wang&A.Abas（收集自马来西亚），其特征是在分散的铊斑块之间有明显的长毛原叶体，相对较小的muriform子囊孢子，丝状分生孢子长（主枝22～28μm，其余三枝65～80μm），叶性生境；疣状乳杆菌W.C.Wang和X.L.Wei（收集于中国）的特征是有疣的铊、丝状分生孢子（主枝长22-32μm，其他三枝长50-65μm）和皮质生境。基于ITS、mtSSU和mtLSU组合序列的分子系统发育方法证实了这两个新物种的位置，并将两者与该属的其他类似物种进行了详细比较。我们的研究还表明，以前的研究中没有探索过分生孢子分支的长度，这应该被视为Lasioloma物种划界的一个重要特征。

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Two new species of the lichenized genus Lasioloma (Byssolomataceae) from Asia

Abstract Two new species of the lichenized genus Lasioloma are described from Asia: Lasioloma longiramosum W. C. Wang & A. Abas (collected from Malaysia), is characterized by a distinct woolly prothallus between dispersed thallus patches, comparatively small, muriform ascospores, long filiform conidia (main branch 22–28 μm in length, the other three branches 65–80 μm) and a foliicolous habitat; L. verrucosum W. C. Wang & X. L. Wei (collected from China), is characterized by a warted thallus, filiform conidia (main branch 22–32 μm in length, the other three branches 50–65 μm) and a corticolous habitat. The placement of both new species was confirmed by a molecular phylogenetic approach based on combined ITS, mtSSU and mtLSU sequences, and both are compared in detail to other similar species of the genus. Our study also revealed that the length of the conidial branches, which has not been explored in previous studies, should be regarded as an important feature for species delimitation in Lasioloma.

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来源期刊

Lichenologist 生物-真菌学

CiteScore

2.90

自引率

14.30%

发文量

审稿时长

6.0 months

期刊介绍： The Lichenologist is the premier scientific journal devoted exclusively to the study of lichens worldwide. As the leading forum for the dissemination of new concepts and topical reviews, The Lichenologist reaches more scientists concerned with the study of lichens and lichen symbionts than any other single journal. All aspects of lichenology are considered including systematics and phylogenetics; molecular biology; ultrastructure, anatomy and morphology; secondary chemistry, effects of pollutants and use as bioindicators; biogeography. In addition to standard length research papers, the journal also publishes Short Communications and Book Reviews. A monthly issue may occasionally be devoted to papers deriving from a symposium.