确认 Kirschsteiniothelia 的一个新种 K. agumbensis 的形态学和系统发生学证据,以及 Kirschsteiniotheliaceae 中五个新组合的验证

Onden P. SRUTHI, K. Rajeshkumar, Shivapura M. GOWRAV, Parayelil A. ANSIL, Sreejith K. ASHTAMOORTHY
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引用次数: 0

摘要

本研究介绍了产自印度卡纳塔克邦西高止山中部阿古姆贝的 Kirschsteiniothelia 新种。该新种与同属种的不同之处在于其分生孢子梗退化为无梗,分生孢子梗呈圆柱形,直到曲折,粗小瘤状到颗粒状到点状,有 18-41 个无锯齿的拉长分生孢子。综合 ITS、LSU 和 SSU 序列数据的系统发生分析将 K. agumbensis 定义为 Kirschsteiniothelia rostrata 的一个新世系,隶属于 Kirschsteiniotheliaceae 科。此外,系统发育密切相关类群的成对同源指数也证实它是一个新种。
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Morphological and phylogenetic evidence for recognition of a new species of Kirschsteiniothelia, K. agumbensis and validation of five new combinations in Kirschsteiniotheliaceae
This study introduces a new species of Kirschsteiniothelia from Agumbe in the central Western Ghats of Karnataka, India. This new species differs from the allied species by its reduced to sessile conidiophores and cylindrical, straight to flexuous, coarsely verrucose to granulate to punctate, 18–41 euseptate elongated conidia. Phylogenetic analyses of combined ITS, LSU and SSU sequence data delineated K. agumbensis as a new lineage allied to Kirschsteiniothelia rostrata under the family Kirschsteiniotheliaceae. Furthermore, pairwise homoplasy index of phylogenetically closely related taxa also confirmed it as a new species.
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