Morphogenesis and Molecular Phylogeny of a Marine Urostylid Ciliate Apokeronopsis wrighti(Protista,Ciliophora,Hypotrichia)

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外文摘要：Hypotrichs are one of the highly differentiated ciliated lineages which play important roles in ecological,environmental,evolutionary and basic biological studies.In the present study,we investigated the living characteristics,infraciliature,nuclear appa-ratus,ontogenesis and phylogenetic position of a marine hypotrichous ciliate,Apokeronopsis wrighti Long et al.,2008,which was isolated from coastal waters in Shenzhen,China.The new isolate resembles the type population in terms of morphological characte-ristics,morphometrics,and SSU rRNA gene sequence that is with a 99.7%similarity.Ontogenesis of A.wrighti is characterized by oral primordium for the proter as well as marginal and dorsal kineties anlagen in both filial products formed de novo,and the cirral row arranged along the paroral and endoral arises from several anterior frontoventral-transverse cirral streaks.Phylogenetic analyses based on SSU and concatenated gene data suggest that five species of Apokeronopsis form a monophyletic clade,and the genus Apo-keronopsis is closely related to Thigmokeronopsis and Metaurostylopsis.

外文关键词：

18S rRNA geneApokeronopsisciliated protistsmulti-geneontogenesissystematicsUrostylida

作者：

LIAN Chunyu、LI Ping、ZHANG Tengteng、SHAO Chen

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作者单位：

Department of Zoology,College of Life Sciences,Shaanxi Normal University,Xi'an 710119,China

Powerchina Northwest Engineering Corporation Limited,Xi'an 710065,China

基金：

Natural Science Foundation of Shaanxi ProvinceNatural Science Foundation of Shaanxi ProvincePostdoctoral Science Foundation of Shaanxi ProvinceFundamental Research Funds for the Central Universities

项目编号：

2023-JC-QN-02142023-JC-QN-01852023BSHEDZZ199GK202207019

出版年：

2024

DOI：

10.1007/s11802-024-5790-y

中国海洋大学学报(自然科学英文版)

中国海洋大学

中国海洋大学学报(自然科学英文版)

CSTPCD

影响因子：0.268

ISSN：1672-5182

年,卷(期)：2024.23(4)

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