Stigmatodiscus pruni, a new dothideomycete with hysteriform ascomata.

IF 1.4 4区 生物学 Q4 MYCOLOGY
Sydowia Pub Date : 2017-01-01 Epub Date: 2016-12-13 DOI:10.12905/0380.sydowia69-2017-0029
Hermann Voglmayr, Jacques Fournier, Walter M Jaklitsch
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引用次数: 5

Abstract

Stigmatodiscus pruni (Stigmatodiscaceae, Stigmatodiscales) is described and illustrated from corticated dead twigs of Prunus spinosa collected in Austria and France. It is characterised by hysteriform ascomata with two lateral black lips, which are erumpent through the periderm of the host, and a black disc in combination with two-celled, asymmetric brown verruculose ascospores with a distinct sheath. Phylogenetic analyses of a multigene matrix containing a representative selection of Dothideomycetes from four genes (nuc 18S rDNA, nuc 28S rDNA, rpb2 and tef1) revealed a highly supported placement within Stigmatodiscales as sister species to Stigmatodiscus enigmaticus. Micromorphology of the sexual and asexual morph matches the genus Stigmatodiscus, except for the hysteriform shape of the ascomata and the two-celled ascospores.

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具子宫形ascoma的一种新刺状菌。
对奥地利和法国收集的刺李(Prunus spinosa)枯枝进行了描述和图解。它的特征是子宫形子囊瘤,有两个侧面的黑色嘴唇,穿过宿主的周皮,黑色的圆盘与两细胞的不对称的棕色疣状子囊孢子结合,有明显的鞘。对一个包含四个基因(nuc 18S rDNA, nuc 28S rDNA, rpb2和tef1)的代表性多基因矩阵的系统发育分析显示,在柱头盘内,柱头盘作为谜状柱头盘的姐妹种被高度支持。除了子囊孢子和双细胞子囊孢子的子宫形外,有性和无性形态的显微形态与柱头铁花属一致。
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来源期刊
Sydowia
Sydowia 生物-真菌学
CiteScore
3.30
自引率
10.00%
发文量
0
审稿时长
>12 weeks
期刊介绍: Sydowia publishes reports of original research relevant to fungal taxonomy, systematics, evolution, structure, development, ecology, pathology (plants, animals, humans), and biotechnological applications. Reviews are published in areas of particular interest and current importance, but authors should consult the Editor before submitting a review manuscript. One volume of the journal, comprising two issues, is published each year. The official journal language is English. Submission of a manuscript to the Executive Editor implies that the results have not been previously published or simultaneously submitted to any other scientific journal, except as an abstract. When the authors are in doubt as to the suitability of their papers for Sydowia, the Editor of the journal should be consulted before submission of the manuscript. All authors of a manuscript must have agreed to its submission and are responsible for its content. An author is one who has substantially contributed to the overall design and execution of the experiments. Individuals who supplied materials or critiqued the paper may be recognised in the acknowledgement section.
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