Two new species of sedentary nematodes of the genus Meloidodera Chitwood, Hannon & Esser, 1956 (Tylenchida: Heteroderidae) from Mexico

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2023-06-01 DOI:10.1163/15685411-bja10259

I. Cid del Prado Vera, S. Subbotin

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引用次数: 0

Abstract

Two new species of the genus Meloidodera collected in Mexico are described here: M. ferrisi sp. n. parasitising roots of an oak tree in the State of Mexico and M. tecoacensis sp. n. parasitising roots of buffalo bur nightshade in the Tlaxcala State. Meloidodera ferrisi sp. n. is characterised by a spherical female body covered completely by a dark thick cuticular layer, length/width of the female body = 0.8-1.6, stylet = 35-43 μm and second-stage juvenile with average body = 340 μm and average tail length = 35.6 μm. Meloidodera tecoacensis sp. n. is characterised by the female having a spherical body covered with a yellow transparent material, length/width of the female body = 1.1-2.8, stylet = 20-33 μm and second-stage juvenile with average body = 340 μm and average tail length = 29.8 μm. These two species were molecularly characterised using the D2-D3 expansion segments of 28S rRNA, ITS rRNA and COI gene sequences. Phylogenetic analysis revealed that the two new species represent a separate evolutionary lineage within the subfamily Meloidoderinae. An identification key for 12 Meloidodera species is provided.

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墨西哥扁脊线虫属两新种，Hannon&Esser，1956（扁脊线虫：异脊线虫科）

本文描述了在墨西哥采集的Meloidodera属的两个新种：寄生在墨西哥州橡树根上的M.ferrisi sp.n和寄生在特拉斯卡拉州睡莲根上的M.tecoacensis sp.n。铁球藻（Meloidodera ferrisi sp.n.）的特征在于完全被深色厚角质层覆盖的球形雌性身体、雌性身体的长度/宽度=0.8-1.6，管心针=35-43μm，第二期幼鱼平均体长=340μm，平均尾长=35.6μm。墨西哥瓜的特征是雌性的球形身体覆盖着黄色透明材料，雌性身体的长度/宽度=1.1-2.8，使用28S rRNA、ITS rRNA和COI基因序列的D2-D3扩增片段对这两个物种进行了分子表征。系统发育分析表明，这两个新物种代表了蜜瓜亚科中一个独立的进化谱系。提供了12个甜瓜属物种的鉴定密钥。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.