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重新评估某些硅藻分类群中的孔闭塞，并重新评估 Mereschkowsky（Bacillariophyceae：Cymbellales），同时描述两个新属。

Reassessment of pore occlusion in some diatom taxa with re-evaluation of Mereschkowsky (Bacillariophyceae: Cymbellales) and description of two new genera.

机构信息

College of Life Science and Technology, Harbin Normal University, Harbin, Heilongjiang Province, China.

Laboratory of Molecular Systematics of Aquatic Plants, K. A. Timiryazev Institute of Plant Physiology RAS, Moscow, Russia.

出版信息

PeerJ. 2024 May 29;12:e17278. doi: 10.7717/peerj.17278. eCollection 2024.

DOI:10.7717/peerj.17278
PMID:38827282
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11143975/
Abstract

In this article, the history and taxonomy of , the type species of the genus , was discussed. We investigated the structure of pore occlusions in and related genera. As a result, we propose a new classification for tectulum-like types of pore occlusions. The new classification is congruent with previously-published and newly-constructed phylogenies based on molecular data. Based on the different structures of the pore occlusions, species of are transferred to gen. nov. Hence, 168 new combinations are introduced. A new diatom species, with a similar morphology to , was discovered in Bắc Kạn Province, Vietnam. It is described in this article as sp. nov. is transferred to gen. nov. We also illustrate herein and compare it to sp. nov. An unknown diatom, similar to , was discovered in Chukotka, Russia. It is introduced as sp. nov. below. Additionally, we discuss the distribution of some species of gen. nov. and gen. nov.

摘要

本文讨论了 ，即属的模式种的历史和分类。我们研究了 及相关属的孔塞结构。结果，我们提出了一种新的 tectulum 样孔塞分类。新分类与先前发表的和基于分子数据构建的新系统发育一致。基于孔塞的不同结构，将 种转移到新属 gen. nov.。因此，引入了 168 个新组合。在越南北干省发现了一种与 形态相似的新硅藻种，被描述为 sp. nov.。 将 转移到新属 gen. nov.。我们还在此处说明并将其与 sp. nov.进行比较。在俄罗斯楚科奇发现了一种与 相似的未知硅藻，被介绍为 sp. nov.。此外，我们还讨论了新属 gen. nov.和 gen. nov.的一些种的分布。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9864/11143975/ba043502e3d4/peerj-12-17278-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9864/11143975/6c32c4563155/peerj-12-17278-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9864/11143975/bf1498132db3/peerj-12-17278-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9864/11143975/2c2b78358500/peerj-12-17278-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9864/11143975/9785572aa16a/peerj-12-17278-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9864/11143975/b2ca126fbf1f/peerj-12-17278-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9864/11143975/45ee9eac1b0a/peerj-12-17278-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9864/11143975/a77d74088fa6/peerj-12-17278-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9864/11143975/7d7dbace724c/peerj-12-17278-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9864/11143975/6b21b6e6371d/peerj-12-17278-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9864/11143975/ba043502e3d4/peerj-12-17278-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9864/11143975/6c32c4563155/peerj-12-17278-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9864/11143975/bf1498132db3/peerj-12-17278-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9864/11143975/2c2b78358500/peerj-12-17278-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9864/11143975/9785572aa16a/peerj-12-17278-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9864/11143975/b2ca126fbf1f/peerj-12-17278-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9864/11143975/45ee9eac1b0a/peerj-12-17278-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9864/11143975/a77d74088fa6/peerj-12-17278-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9864/11143975/7d7dbace724c/peerj-12-17278-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9864/11143975/6b21b6e6371d/peerj-12-17278-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9864/11143975/ba043502e3d4/peerj-12-17278-g010.jpg

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