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基于形态学和系统发育分析,(黏菌纲)作为独立物种的有效性得到支持。

Validity of (Myxomycetes) as an independent species supported by morphological and phylogenetic analyses.

作者信息

Song Wen-Long, Chen Ya-Jing, Yan Shu-Zhen, Chen Shuang-Lin

机构信息

a School of Life Sciences, Nanjing Normal University.

出版信息

Mycoscience. 2024 Nov 29;66(1):58-66. doi: 10.47371/mycosci.2024.10.004. eCollection 2025.

DOI:10.47371/mycosci.2024.10.004
PMID:40672144
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC12260389/
Abstract

is a taxonomically controversial species of Myxomycetes. Currently, it is treated as a synonym for . In this study, two specimens from Lafa Mountain National Forest Park in Jilin Province of China were researched concerning morphology with the light microscope and scanning electronic microscope and compared with the holotype from Japan to confirm that the species was first discovered in China. It is mainly characterized by cushion-shaped plasmodiocarps; single peridium, ornamented with dense flake-like lime crystals on the outer surface; columella absent; capillitium (0.99-)1.29-2.05(-2.30) μm diam, with spindle-shaped enlargement forms at branching points, decorated with dense small warts; spores (5.70-)6.49-6.87(-7.61) μm diam, warted and with clusters of large warts. In addition, the partial nucleotide sequences of nuclear 18S rDNA and elongation factor-1 alpha genes of differed clearly from those of other species. The results supported the rationality that is an independent species. Light microscopic photos, scanning electron microscopic photos, and an emended description of morphological characters are provided.

摘要

是黏菌纲中一个分类存在争议的物种。目前,它被视为……的同义词。在本研究中,对采自中国吉林省拉法山国家森林公园的两个标本进行了光学显微镜和扫描电子显微镜下的形态学研究,并与来自日本的模式标本进行比较,以确认该物种首次在中国被发现。其主要特征为垫状原质果;单一层被,外表面饰有密集的片状石灰质晶体;无中轴体;孢丝直径(0.99 -)1.29 - 2.05(- 2.30)μm,在分支点处呈纺锤形膨大,表面饰有密集的小瘤;孢子直径(5.70 -)6.49 - 6.87(- 7.61)μm,具瘤且有大瘤簇。此外,……的核18S rDNA和延伸因子 - 1α基因的部分核苷酸序列与其他……物种明显不同。结果支持了……是一个独立物种的合理性。提供了光学显微镜照片、扫描电子显微镜照片以及形态特征的修订描述。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/22c2/12260389/5c4f98c9d30a/MYC-66-58-g04.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/22c2/12260389/1e8cebdc57c2/MYC-66-58-g01.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/22c2/12260389/344b6eec39d1/MYC-66-58-g02.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/22c2/12260389/c369053db794/MYC-66-58-g03.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/22c2/12260389/5c4f98c9d30a/MYC-66-58-g04.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/22c2/12260389/1e8cebdc57c2/MYC-66-58-g01.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/22c2/12260389/344b6eec39d1/MYC-66-58-g02.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/22c2/12260389/c369053db794/MYC-66-58-g03.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/22c2/12260389/5c4f98c9d30a/MYC-66-58-g04.jpg

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J Fungi (Basel). 2024 Jul 23;10(8):514. doi: 10.3390/jof10080514.
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Morphological and phylogenetic analyses reveal four species of myxomycetes new to China.形态学和系统发育分析揭示了中国四种新的粘菌物种。
Arch Microbiol. 2024 Jul 30;206(8):364. doi: 10.1007/s00203-024-04083-4.
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Multigene phylogeny of the order (): shedding light on the dark-spored clade.(该目)的多基因系统发育:揭示暗孢类群的奥秘
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