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Syncephalastrum contaminatum, a new species in the Mucorales from Australia
Mycoscience ( IF 1.4 ) Pub Date : 2020-02-22 , DOI: 10.1016/j.myc.2020.02.003
Andrew S. Urquhart , Alexander Idnurm

A new species is described in the Mucorales family Syncephalastraceae: Syncephalastrum contaminatum, isolated as an in vitro culture from a laboratory contaminant. The species has variable copies of the internal transcribed spacer (ITS) regions, requiring cloning of these regions prior to Sanger sequencing before subsequent use in phylogenetic comparisons with other fungi. The genome of the strain was sequenced using short paired-reads to yield a draft genome of 28.6 Mb. Syncephalastrum contaminatum is distinguished by diverse DNA sequences at several loci from the other species of Syncephalastrum, including only 81% sequence identity with its ITS regions to that of S. racemosum. Its merosporangium produces four or more asexual spores and the genome sequencing information suggests that the species is heterothallic. The identification of this species highlights the limited knowledge about the early lineages of fungi both in Australia and globally.



中文翻译:

Syncephalastrum contaminatum,在毛霉一个来自澳大利亚的新物种

:一个新的物种在毛霉目家族Syncephalastraceae描述Syncephalastrum contaminatum,分离为从实验室污染物的体外培养物。该物种具有内部转录间隔区(ITS)区域的可变拷贝,需要先在Sanger测序之前克隆这些区域,然后才能与其他真菌进行系统发育比较。使用短配对读数对菌株的基因组进行测序,以产​​生28.6 Mb的基因组草图。突触性鼻窦炎的特征是与其他突触性鼻肠球菌物种在几个位点具有不同的DNA序列,包括与ITS区域的总ITS同源性为81%。它的子孢子囊产生四个或更多个无性孢子,基因组测序信息表明该物种是异源的。对该物种的鉴定突显了澳大利亚和全球对真菌早期谱系的了解有限。

更新日期:2020-02-22
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