一种罕见的原柱体阿米巴微小点状裂浆虫的重新鉴定，以及对虫孢子虫(虫形虫目，变异门，阿米虫目)的修订。

IF 1.5 4区生物学 Q4 MYCOLOGY

Mycoscience Pub Date : 2023-01-01 DOI:10.47371/mycosci.2023.01.002

Yoshiaki Iwamoto, Yousuke Degawa, Takeshi Nakayama

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引用次数: 0

摘要

Schizoplasmodiopsis属是变种纲中形态最多样的类群之一。近年来的系统发育研究表明，Schizoplasmodiopsis是一种多系植物，但对该属的分类研究很少。建立了微点状葡萄球菌YIP-40菌株，对其形态和生命周期进行了详细观察，并进行了系统发育分析。系统发育分析表明，微点孢菌是针状链孢的姊妹菌株。扫描电镜显示，微点杉具有不落叶的门部结构，这是苔孢所特有的。变形虫的形态、有丝分裂行为和孢子前细胞也支持了微点孢霉的亲缘关系。我们建议将微点孢菌(S. micropunctata)转移到Tychosporium，并修订Tychosporium的一般概念以包括该物种。

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Re-examination of a rare protosteloid amoeba Schizoplasmodiopsis micropunctata, and the revision of Tychosporium (Cavosteliida, Variosea, Amoebozoa).

The genus Schizoplasmodiopsis is one of the most morphologically diverse groups among the class Variosea. Recent phylogenetic studies suggest that Schizoplasmodiopsis is polyphyletic, but there are few taxonomic studies of this genus. We established S. micropunctata strain YIP-40, observed in detail its of morphology and lifecycle, and conducted a phylogenetic analysis. The phylogenetic analysis revealed that S. micropunctata was sister to Tychosporium acutostipes. Scanning electron microscopy showed S. micropunctata had a non-deciduous hilum structure that is unique to Tychosporium. The morphology of amoebae, mitotic behavior, and prespore cells of S. micropunctata also supported the close relationship to Tychosporium. We propose to transfer S. micropunctata to Tychosporium and emend the generic concept of Tychosporium to include this species.

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来源期刊

Mycoscience MYCOLOGY-

CiteScore

3.00

自引率

7.10%

发文量

审稿时长

3 months

期刊介绍： Mycoscience is the official English-language journal of the Mycological Society of Japan and is issued bimonthly. Mycoscience publishes original research articles and reviews on various topics related to fungi including yeasts and other organisms that have traditionally been studied by mycologists. The research areas covered by Mycoscience extend from such purely scientific fields as systematics, evolution, phylogeny, morphology, ecology, physiology, biochemistry, genetics, and molecular biology, to agricultural, medical, and industrial applications. New and improved applications of well-established mycological techniques and methods are also covered.