形态学和系统发育分析揭示了中国云南省裸麦地上的Neopalmiascoma gen.nov.(Bambusicolaceae, Pleosporales)

IF 1 4区生物学 Q3 PLANT SCIENCES

Phytotaxa Pub Date : 2024-01-09 DOI:10.11646/phytotaxa.633.3.3

Xian Zhang, Samantha C. Karunarathna, SAOWALUCK TIBPROMMA, T. Du, Abdhallah M Elgorban, S. Lumyong, DONG-QIN DAI, Kevin D. Hyde

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引用次数: 0

摘要

澳洲坚果（Macadamia integrifolia）是在热带和亚热带地区广泛种植的经济作物之一，其果核可食用，含油量高。据报道，这种寄主中含有多种真菌病原体，但很少有关于吸食真菌的研究。作为我们对食用坚果吸浆真菌研究的一部分，我们从中国云南省采集了带有真菌子实体的澳洲坚果（Macadamia integrifolia）枯枝。综合 SSU、ITS、LSU、RPB2 和 TEF1-α 序列数据的分子分析表明，我们的采集物属于 Bambusicolaceae，并与该科的其他属形成一个独特的分支。我们的收集物与 Bambusicolaceae 非常吻合，形态与 Palmiascoma 相似，但可以通过分子数据加以区分。因此，我们将我们的采集物命名为 Neopalmiascoma gen.我们提供了描述、照片和系统发生树，以显示新种的分类位置。

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Morphology and phylogenetic analyses reveal Neopalmiascoma gen. nov. (Bambusicolaceae, Pleosporales) on Macadamia integrifolia in Yunnan Province, China

Macadamia integrifolia, one of the cash crops widely grown in the tropical and subtropical regions produces edible kernels with high oil content. Several fungal pathogens have been reported from this host, but very few studies on saprobic fungi have been carried out. As a part of our studies on saprobic fungi of edible nuts, dead branches of Macadamia integrifolia with fungal fruiting bodies were collected from Yunnan Province of China. Molecular analyses of combined SSU, ITS, LSU, RPB2, and TEF1-α sequence data showed that our collection belongs to Bambusicolaceae and forms a distinct branch with other genera in this family. Our collection fits well with the Bambusicolaceae, and morphology is similar to Palmiascoma but can be distinguished by molecular data. Therefore, we introduce our collection as Neopalmiascoma gen. nov., with N. macadamiae as the type species. A description, photo plate, and phylogenetic tree to show the taxonomic placement of the new species are provided.

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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.