Tuber torulosum: A new truffle species decorated with moniliform cystidia from Japan.

IF 1.5 4区 生物学 Q4 MYCOLOGY
Akihiko Kinoshita, Kohei Yamamoto, Toshiyuki Tainaka, Toshifumi Handa, Akiyoshi Yamada
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引用次数: 0

Abstract

We describe a new truffle species, Tuber torulosum, based on molecular and morphological analyses. This species forms a single globose ascospore per ascus, pale yellow in color, as do Japanese T. flavidosporum and Chinese T. turmericum and T. xanthomonosporum in the Japonicum clade of the Tuber phylogeny. However, it can be distinguished from them microscopically by its whitish tomentose mycelium that partially covers the ascoma surface and the mesh size of its spore ornamentation. Cystidia are moniliform and yellowish to reddish. Molecular phylogenetic analysis using the internal transcribed spacer and partial large subunit regions of ribosomal DNA also supports T. torulosum as a distinct species. On the basis of our results, we provide a key to species in the Japonicum clade.

圆块菌:日本块菌一新种。
基于分子和形态分析,我们描述了一种新的松露物种——Tuber torulosum。本种每个子囊形成一个球状的子囊孢子,颜色为淡黄色,与块茎系统发育的日本分支中的日本T. flavidosporum和中国T. turmericum和T. xanthomonosporum一样。然而,在显微镜下,它的白色绒毛菌丝体部分覆盖在子囊表面,孢子纹饰的网孔大小可以与它们区分开来。囊体呈念珠状,淡黄至淡红。利用核糖体DNA的内部转录间隔区和部分大亚基区域进行的分子系统发育分析也支持T. torulosum是一个独特的物种。根据我们的研究结果,我们提供了一个日本科物种分类的关键。
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来源期刊
Mycoscience
Mycoscience MYCOLOGY-
CiteScore
3.00
自引率
7.10%
发文量
32
审稿时长
3 months
期刊介绍: Mycoscience is the official English-language journal of the Mycological Society of Japan and is issued bimonthly. Mycoscience publishes original research articles and reviews on various topics related to fungi including yeasts and other organisms that have traditionally been studied by mycologists. The research areas covered by Mycoscience extend from such purely scientific fields as systematics, evolution, phylogeny, morphology, ecology, physiology, biochemistry, genetics, and molecular biology, to agricultural, medical, and industrial applications. New and improved applications of well-established mycological techniques and methods are also covered.
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