Phylogenic analysis of additional Neurospora crassa isolates

Fungal Genetics Reports Pub Date : 2012-05-01 DOI:10.4148/1941-4765.1010

T. Radic, S. Gastaldello, J. Diegmann, T. Roenneberg

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Abstract

The ascomycete Neurospora crassa is classical model organisms in biology. So far, a phylogenetic analysis based on genomic sequences of four non-functional nuclear loci has been reported for 44 natural isolates of N. crassa. Three subgroups (clades) with a distinct geographical distribution have been identified: clade A (Caribbean Basin and Ivory Coast), clade B (Europe, Ivory Coast and India), and clade C (India). Here, we report the results of a phylogenetic analysis of 16 additional isolates. Six of these were from the Caribbean Basin, eight from Europe and one from Pakistan and one from Thailand. The previously described clades and their geographical distribution were generally confirmed. All Caribbean isolates belonged to clade A and all European isolates belonged to clade B, with the exception of one isolate from Italy, which also belonged to clade A, suggesting a transport from the Caribbean Basin or the Ivory Coast to Europe. Interestingly, the isolates from Pakistan and Thailand were found in a separate group, basal to all other clades. Their phylogenetic classification is not yet clear as they might belong to N. crassa but as well to N. perkinsii, potentially representing yet undescribed phylogenetic groups or species of Neurospora, or hybrids. Authors Tanja Radic, Silvia Gastaldello, Julia Diegmann, and Till Roenneberg This regular paper is available in Fungal Genetics Reports: https://newprairiepress.org/fgr/vol59/iss1/2

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新分离的粗神经孢子虫的系统发育分析

粗神经孢子子囊菌是生物学中经典的模式生物。迄今为止，已报道了44个自然分离株的4个非功能性核位点的基因组序列系统发育分析。已经确定了具有不同地理分布的三个亚群(分支):分支a(加勒比盆地和象牙海岸)，分支B(欧洲，象牙海岸和印度)和分支C(印度)。在这里，我们报告了另外16个分离株的系统发育分析结果。其中6人来自加勒比海盆地，8人来自欧洲，1人来自巴基斯坦，1人来自泰国。前人所描述的进化支及其地理分布基本得到了证实。所有加勒比分离株都属于进化支A，所有欧洲分离株都属于进化支B，除了意大利的一株分离株，它也属于进化支A，这表明该病毒是从加勒比盆地或科特迪瓦传播到欧洲的。有趣的是，来自巴基斯坦和泰国的分离株被发现在一个单独的群体中，是所有其他分支的基础。它们的系统发育分类尚不清楚，因为它们可能属于N. crassa，也可能属于N. perkinsii，可能代表尚未描述的系统发育类群或神经孢子虫种，或杂种。作者Tanja Radic, Silvia gastalello, Julia Diegmann和Till Roenneberg这篇常规论文可在真菌遗传学报告中找到:https://newprairiepress.org/fgr/vol59/iss1/2

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Fungal Genetics Reports

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