Role of animal pole protuberance and microtubules during meiosis in sea cucumber Apostichopus japonicus oocytes

doi:10.1007/s00343-010-9009-2

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	Role of animal pole protuberance and microtubules during meiosis in sea cucumber Apostichopus japonicus oocytes
	Pang Zhenguo 3,4; Chang Yaqing 1; Sun Huiling 2; Yu Jiaping 1
	2010-05-10
发表期刊	CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
ISSN	0254-4059
卷号	28 期号:3 页码:533-541
文章类型	Article
摘要	Fully grown oocytes of Apostichopus japonicus have a cytoplasmic protuberance where the oocyte attaches to the follicle. The protuberance and the oolamina located on the opposite side of the oocyte indicate the animal-vegetal axis. Two pre-meiotic centrosomes are anchored to the protuberance by microtubules between centrosomes and protuberance. After meiosis reinitiation induced by DTT solution, the germinal vesicle (GV) migrates towards the protuberance. The GV breaks down after it migrates to the oocyte membrane on the protuberance side. The protuberance then contracts back into the oocyte and the first polar body extrudes from the site of the former protuberance. The second polar body forms beneath the first. Thus the oocyte protuberance indicates the presumptive animal pole well before maturation of the oocyte.; Fully grown oocytes of Apostichopus japonicus have a cytoplasmic protuberance where the oocyte attaches to the follicle. The protuberance and the oolamina located on the opposite side of the oocyte indicate the animal-vegetal axis. Two pre-meiotic centrosomes are anchored to the protuberance by microtubules between centrosomes and protuberance. After meiosis reinitiation induced by DTT solution, the germinal vesicle (GV) migrates towards the protuberance. The GV breaks down after it migrates to the oocyte membrane on the protuberance side. The protuberance then contracts back into the oocyte and the first polar body extrudes from the site of the former protuberance. The second polar body forms beneath the first. Thus the oocyte protuberance indicates the presumptive animal pole well before maturation of the oocyte.
关键词	Apostichopus Japonicus Oocyte Protuberance Oocyte Maturation Microtubule Organizing Center Polar Body Formation
学科领域	Limnology ; Oceanography
DOI	10.1007/s00343-010-9009-2
URL	查看原文
收录类别	SCI
语种	英语
WOS记录号	WOS:000278924100014
引用统计	被引频次：1[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.qdio.ac.cn/handle/337002/5890
专题	实验海洋生物学重点实验室
作者单位	1.Dalian Ocean Univ, Minist Agr, Key Lab Marine Culture, Dalian 116023, Peoples R China 2.Chinese Acad Fishery Sci, Yellow Sea Fishery Res Inst, Qingdao 266071, Peoples R China 3.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China 4.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
第一作者单位	中国科学院海洋研究所
推荐引用方式 GB/T 7714	Pang Zhenguo,Chang Yaqing,Sun Huiling,et al. Role of animal pole protuberance and microtubules during meiosis in sea cucumber Apostichopus japonicus oocytes[J]. CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2010,28(3):533-541.
APA	Pang Zhenguo,Chang Yaqing,Sun Huiling,&Yu Jiaping.(2010).Role of animal pole protuberance and microtubules during meiosis in sea cucumber Apostichopus japonicus oocytes.CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,28(3),533-541.
MLA	Pang Zhenguo,et al."Role of animal pole protuberance and microtubules during meiosis in sea cucumber Apostichopus japonicus oocytes".CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY 28.3(2010):533-541.

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