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来自比留火山（白令海）的铁线虫科（线虫纲，无尾感器纲）新属。

New genus of Ironidae (Nematoda, Enoplida) from Piip volcano (the Bering Sea).

机构信息

A.V. Zhirmunsky National Scientific Center of Marine Biology FEB RAS, Vladivostok, Russia.

Far Eastern Federal University, Vladivostok, Russia.

出版信息

PeerJ. 2022 Feb 16;10:e12946. doi: 10.7717/peerj.12946. eCollection 2022.

DOI:10.7717/peerj.12946
PMID:35190787
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8857901/
Abstract

gen. et sp. nov. is described from Piip submarine volcano, the Bering Sea. gen. nov. shows all main characters of Thalassironinae but differs from all known ironids in the form of the amphid (spiral pocket-like) and the simultaneous presence of precloacal papilliform supplements and tubular postcloacal organs. Pared tubular postcloacal organs have never been described before for the family Ironidae. The combination of papilliform precloacal supplements and the pair of tubular postcloacal organs described for gen. et sp. nov. is unique among nematodes. The study of the nematofauna of the Piip submarine volcano began quite recently, and is the second new genus of nematodes described from here from one sample of bottom sediments. This can be taken as one of the examples of the hyper-high diversity of marine nematodes.

摘要

gen. et sp. nov. 是从白令海的 Piip 海底火山中描述的。gen. nov. 展示了 Thalassironinae 所有的主要特征，但与所有已知的铁线虫在触角（螺旋状袋状）的形式和同时存在的肛前乳头状补充物和管状肛后器官上有所不同。以前从未在铁线虫科中描述过成对的管状肛后器官。gen. et sp. nov. 描述的乳头状肛前补充物和一对管状肛后器官的组合在线虫中是独一无二的。对 Piip 海底火山线虫区系的研究最近才开始，这是从这里的一个底泥样本中描述的第二个新线虫属。这可以作为海洋线虫超高多样性的一个例子。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ab72/8857901/72f0f1a2d5c8/peerj-10-12946-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ab72/8857901/c6f594e0459e/peerj-10-12946-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ab72/8857901/f58929907224/peerj-10-12946-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ab72/8857901/0e92a5cfb41e/peerj-10-12946-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ab72/8857901/15437dccbe8c/peerj-10-12946-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ab72/8857901/cf4b7325d0d7/peerj-10-12946-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ab72/8857901/9188f544fc9e/peerj-10-12946-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ab72/8857901/6b88df882f21/peerj-10-12946-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ab72/8857901/72f0f1a2d5c8/peerj-10-12946-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ab72/8857901/c6f594e0459e/peerj-10-12946-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ab72/8857901/f58929907224/peerj-10-12946-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ab72/8857901/0e92a5cfb41e/peerj-10-12946-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ab72/8857901/15437dccbe8c/peerj-10-12946-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ab72/8857901/cf4b7325d0d7/peerj-10-12946-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ab72/8857901/9188f544fc9e/peerj-10-12946-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ab72/8857901/6b88df882f21/peerj-10-12946-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ab72/8857901/72f0f1a2d5c8/peerj-10-12946-g008.jpg

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本文引用的文献

1
Oloncholaimus piipi gen. et sp. nov. (Nematoda, Oncholaimidae) from Piip submarine volcano, the Bering Sea.
Zootaxa. 2020 Jun 24;4802(3):zootaxa.4802.3.10. doi: 10.11646/zootaxa.4802.3.10.
2
Three new and two known free-living marine nematode species of the family Ironidae from the East China Sea.
Zootaxa. 2015 Sep 15;4018(2):151-75. doi: 10.11646/zootaxa.4018.2.1.
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Deep-water chemosynthetic ecosystem research during the census of marine life decade and beyond: a proposed deep-ocean road map.深海化能合成生态系统研究在海洋生物普查十年及以后：一份深海路线图提案。
PLoS One. 2011;6(8):e23259. doi: 10.1371/journal.pone.0023259. Epub 2011 Aug 4.
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Moving towards a complete molecular framework of the Nematoda: a focus on the Enoplida and early-branching clades.迈向线虫完整分子框架：关注动吻目和早期分支类群。
BMC Evol Biol. 2010 Nov 12;10:353. doi: 10.1186/1471-2148-10-353.
5
An improved molecular phylogeny of the Nematoda with special emphasis on marine taxa.线虫纲的改良分子系统发育研究，特别关注海洋类群。
Mol Phylogenet Evol. 2007 Mar;42(3):622-36. doi: 10.1016/j.ympev.2006.08.025. Epub 2006 Sep 23.