Cephalotrichum and related synnematous fungi with notes on species from the built environment

IF 14.1 1区 生物学 Q1 MYCOLOGY
J.H.C. Woudenberg , M. Sandoval-Denis , J. Houbraken , K.A. Seifert , R.A. Samson
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引用次数: 14

Abstract

A recent taxonomic revision of Microascaceae with an emphasis on synnematous fungi enabled re-identification of previously isolated indoor strains of Cephalotrichum. All available Cephalotrichum strains from the culture collection of the Westerdijk Institute were studied, 20 originating from the built environment. Phylogenetic relationships were inferred from DNA sequence data from the internal transcribed spacer 1 and 2 and intervening 5.8S nrDNA (ITS), and parts of β-tubulin (tub2) and translation elongation factor 1-α (tef1) genes. Additionally, herbarium material of 14 Cephalotrichum species described from soil in China was studied, and the taxonomy of C. album, not considered in recent revisions, was reevaluated. Sixteen phylogenetic species in Cephalotrichum are distinguished, five described as new species: C. domesticum, C. lignatile, C. telluricum, C. tenuissimum and C. transvaalense. Five Cephalotrichum species occur in the built environment: C. domesticum, C. gorgonifer (formerly known as Trichurus spiralis), C. microsporum, C. purpureofuscum, and C. verrucisporum. Based on the number of isolates, C. gorgonifer (nine strains) is the most common indoor species. The study of the Chinese herbarium material resulted in the acceptance of three additional Cephalotrichum species: C. casteneum, C. ellipsoideum, and C. spirale. Four species are considered nomena dubia (C. cylindrosporum, C. macrosporum, C. ovoideum, and C. robustum), five are placed in synonymy with other Cephalotrichum species (C. acutisporum, C. inflatum, C. longicollum, C. oblongum, C. terricola) and one species, C. verrucipes, is probably a synonym of Penicillium clavigerum. Cephalotrichum columnare, former Doratomyces columnaris, is transferred to Kernia. Cephalotrichum album, formerly known as Doratomyces putredinis, is transferred to Acaulium and redescribed.

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头霉属真菌和相关的同属真菌,并附注来自建筑环境的物种
最近对微子囊科的分类进行了修订,重点是对同属真菌进行了重新鉴定,使以前分离的头孢菌室内菌株得以重新鉴定。研究了Westerdijk研究所培养收集的所有可用头孢菌菌株,其中20株来自建筑环境。从内部转录间隔区1、2和中间的5.8S nrDNA (ITS)以及部分β-微管蛋白(tub2)和翻译伸长因子1-α (tef1)基因的DNA序列数据推断出系统发育关系。此外,对中国土壤中发现的14种头霉属植物的标本室资料进行了研究,并对最近修订中未考虑的C. album的分类进行了重新评价。头霉属(cephalalotrichum)共鉴定出16个系统发育种,其中5个为新种:C.驯化种、C.木质素种、C. tellurum、C. tenuissimum和C. transvaalense。在人造环境中有五种头曲蝇:家蝇、柳枝曲蝇(以前称为螺旋曲蝇)、小孢子曲蝇、紫毛曲蝇和疣状曲蝇。从分离株数来看,柳橙属(9株)是室内最常见的菌株。通过对中国植物标本室资料的研究,我们发现了另外3种头藓属植物:casteneum、C. ellipsoideum和C. spirale。4种被认为是可疑的(C.圆柱孢、C.大孢、C.卵泡和C. robustum), 5种被认为是其他头霉属的同义词(C. acutisporum、C. inflatum、C. longicollum、C. oblongum、C. terrricola), 1种C. verrucipes可能是青霉菌的同义词。柱状头霉,原柱状Doratomyces,转移到Kernia。将前称Doratomyces putredinis的cephalalotrichum album转移到Acaulium并重新描述。
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来源期刊
Studies in Mycology
Studies in Mycology 生物-真菌学
CiteScore
35.60
自引率
3.00%
发文量
7
期刊介绍: The international journal Studies in Mycology focuses on advancing the understanding of filamentous fungi, yeasts, and various aspects of mycology. It publishes comprehensive systematic monographs as well as topical issues covering a wide range of subjects including biotechnology, ecology, molecular biology, pathology, and systematics. This Open-Access journal offers unrestricted access to its content. Each issue of Studies in Mycology consists of around 5 to 6 papers, either in the form of monographs or special focused topics. Unlike traditional length restrictions, the journal encourages submissions of manuscripts with a minimum of 50 A4 pages in print. This ensures a thorough exploration and presentation of the research findings, maximizing the depth of the published work.
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