Morphology and multi-gene phylogeny reveal a new Brunneofusispora species from coffee in Yunnan Province, China

IF 1 4区生物学 Q3 PLANT SCIENCES

Phytotaxa Pub Date : 2024-01-11 DOI:10.11646/phytotaxa.634.1.2

Xiangfu Liu, S. Tibpromma, Samantha C. Karunarathna, K. Chethana, LI LU, Donqin Dai, Abdhallah M Elgorban, Kevin D. Hyde

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引用次数: 0

Abstract

Coffee is one of the most important cash crops native to north-central Africa, and the second most popular beverage ingredient worldwide. Coffee-associated fungal pathogens have been well studied, but few studies have reported saprobes of coffee. In China, Yunnan Province is the main region of coffee plantations and production. To investigate saprobic fungi of coffee plants, dead branches of Coffea with fungal fruiting bodies were collected in Baoshan City, Yunnan Province, China. Multi-gene phylogenetic analyses of SSU, ITS, LSU, RPB2, and TEF1-α sequence data indicated that our collections formed an independent branch within Brunneofusispora and sister to B. sinensis. The new species B. baoshanensis, characterized by uniloculate ascomata with an erumpent long neck, and inequilateral, ends acute, 1-septate, constricted at the septum ascospores with mucilaginous sheath, was identified based on morphology and multi-gene phylogeny. This is the first report of Brunneofusispora species isolated from Coffea in China. A complete description, micrographs, and a phylogenetic tree showing the placement of the new species are provided.

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形态学和多基因系统发育揭示了中国云南省咖啡中的一个新的 Brunneofusispora 物种

咖啡是原产于非洲中北部的最重要的经济作物之一，也是全球第二受欢迎的饮料原料。与咖啡有关的真菌病原体已被研究得很透彻，但很少有研究报道咖啡的汁液微生物。在中国，云南省是咖啡种植和生产的主要地区。为了研究咖啡植物的吸附真菌，研究人员在中国云南省保山市采集了带有真菌子实体的咖啡枯枝。对 SSU、ITS、LSU、RPB2 和 TEF1-α 序列数据进行的多基因系统发育分析表明，我们采集到的菌株在 Brunneofusispora 中形成了一个独立的分支，是 B. sinensis 的姊妹种。根据形态学和多基因系统发育，鉴定出了新种 B. baoshanensis，其特征为单室有一长颈，不等边，末端锐尖，单隔，隔膜处缢缩，有粘液鞘。这是中国首次报道从咖啡豆中分离出 Brunneofusispora 菌种。文中提供了完整的描述、显微照片和显示新种位置的系统发生树。

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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来源期刊

Phytotaxa PLANT SCIENCES-

CiteScore

1.90

自引率

27.30%

发文量

956

审稿时长

1 months

期刊介绍： Phytotaxa is a peer-reviewed, international journal for rapid publication of high quality papers on any aspect of systematic and taxonomic botany, with a preference for large taxonomic works such as monographs, floras, revisions and evolutionary studies and descriptions of new taxa. Phytotaxa covers all groups covered by the International Code of Nomenclature foralgae, fungi, and plants ICNafp (fungi, lichens, algae, diatoms, mosses, liverworts, hornworts, and vascular plants), both living and fossil. Phytotaxa was founded in 2009 as botanical sister journal to Zootaxa. It has a large editorial board, who are running this journal on a voluntary basis, and it is published by Magnolia Press (Auckland , New Zealand). It is also indexed by SCIE, JCR and Biosis. All types of taxonomic, floristic and phytogeographic papers are considered, including theoretical papers and methodology, systematics and phylogeny, monographs, revisions and reviews, catalogues, biographies and bibliographies, history of botanical explorations, identification guides, floras, analyses of characters, phylogenetic studies and phytogeography, descriptions of taxa, typification and nomenclatural papers. Monographs and other long manuscripts (of 60 printed pages or more) can be published as books, which will receive an ISBN number as well as being part of the Phytotaxa series.