Xylaria furcata重新考虑和九个类似的物种
Yu-Ming Ju1, Huei-Mei Hsieh2, Nuttika Suwannasai3
1Institute of Plant and Microbial Biology, Academia Sinica, Nankang, Taipei, 11529, Taiwan. yumingju@gate.sinica.edu.tw.
Botanical studies
|July 17, 2023
概括
这项研究揭示了通常在白巢中发现的真菌Xylaria furcata实际上是一个由十种不同的物种组成的复合体. 重新检查其类型标本和DNA分析揭示了这种隐藏的真菌多样性.
科学领域:
- 菌类学 菌类学是指菌类学.
- 菌类分类法 菌类分类法 菌类分类法
- 分子遗传学分子遗传学
背景情况:
- 从有二分法分支的树状体的白巢中收集的紫菌以前被确定为X. furcata.
- 现代对X.furcata的解释依赖于1908年由罗杰斯等人指定为新型的集合. 在2005年,在2005年.
研究的目的:
- 重新检查Xylaria furcata的新型及其复制品.
- 为了澄清 X. furcata 和在白巢中发现的相关物种的分类学地位.
- 描述X.furcata复合体内的新物种.
主要方法:
- 重新检查草本标本,包括指定的新型.
- stromata 和 ascospores 的形态分析.
- 使用ITS和蛋白质编码位点DNA序列的分子遗传学分析.
主要成果:
- X.furcata的新型包含了三种物种的混合物;一个被重新命名为新型,两个被描述为新物种 (X.hoehnelii和X.robustifurcata).
- 四个新物种 (X. brevifurcata,X. furcatula,X. insignifurcata,X. tenellifurcata) 由以前被确定为X. furcata.的标本描述.
- X.furcata和相关物种根据周围土丘的特征被分类为两个群体:X.furcata群 (露露的土丘) 和X.hoehnelii群 (浸泡的土丘).
结论:
- 现在在X.furcata复合体内已经认可了10种物种,突出了以前被忽视的真菌多样性.
- 树状体和树状体的形态相似性导致了对物种多样性的低估.
- 虽然白宿主多样性在非洲和亚洲都很高,但描述的Xylaria物种主要是亚洲的,这表明潜在的未发现物种.
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