Phylogenetic and morphological classification of Ophiocordyceps species on termites from Thailand.

IF 1.2 4区地球科学 Q3 Earth and Planetary Sciences

Geochronometria Pub Date : 2019-07-29 eCollection Date: 2019-01-01 DOI:10.3897/mycokeys.56.37636

Kanoksri Tasanathai, Wasana Noisripoom, Thanyarat Chaitika, Artit Khonsanit, Sasitorn Hasin, Jennifer Luangsa-Ard

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引用次数: 0

Abstract

Seven new species occurring on termites are added to Ophiocordyceps - O. asiatica, O. brunneirubra, O. khokpasiensis, O. mosingtoensis, O. pseudocommunis, O. pseudorhizoidea and O. termiticola, based on morphological and molecular phylogenetic evidence. O. brunneirubra possesses orange to reddish-brown immersed perithecia on cylindrical to clavate stromata. O. khokpasiensis, O. mosingtoensis and O. termiticola have pseudo-immersed perithecia while O. asiatica, O. pseudocommunis and O. pseudorhizoidea all possess superficial perithecia, reminiscent of O. communis and O. rhizoidea. Phylogenetic analyses based on a combined dataset comprising the internal transcribed spacer regions (ITS) and the largest subunit (LSU) of the ribosomal DNA, partial regions of the elongation factor 1-α (TEF) and the largest and second largest subunits for the RNA polymerase genes (RPB1, RPB2) strongly support the placement of these seven new species in Ophiocordyceps.

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泰国白蚁上的虫草属物种的系统发育和形态分类。

根据形态学和分子系统学证据，在白蚁身上出现的 7 个新种被添加到 Ophiocordyceps 中--O. asiatica、O. brunneirubra、O. khokpasiensis、O. mosingtoensis、O. pseudocommunis、O. pseudorhizoidea 和 O. termiticola。O. brunneirubra 在圆柱形到棍棒状的基质上有橙色到红褐色的浸渍包囊。O.khokpasiensis、O. mosingtoensis和O. termiticola具有假浸渍的包囊，而O. asiatica、O. pseudocommunis和O. pseudorhizoidea都具有表层包囊，让人想起O. communis和O. rhizoidea。根据由核糖体 DNA 内部转录间隔区（ITS）和最大亚基（LSU）、延伸因子 1-α 的部分区域（TEF）以及 RNA 聚合酶基因的最大和第二大亚基（RPB1、RPB2）组成的综合数据集进行的系统发生学分析，有力地支持将这 7 个新物种归入麦角菌属。

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来源期刊

Geochronometria 地学-地球科学综合

CiteScore

2.20

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： Geochronometria is aimed at integrating scientists developing different methods of absolute chronology and using them in different fields of earth and other natural sciences and archaeology. The methods in use are e.g. radiocarbon, stable isotopes, isotopes of natural decay series, optically stimulated luminescence, thermoluminescence, EPR/ESR, dendrochronology, varve chronology. The journal publishes papers that are devoted to developing the dating methods as well as studies concentrating on their applications in geology, palaeoclimatology, palaeobiology, palaeohydrology, geocgraphy and archaeology etc.