Role of animal pole protuberance and microtubules during meiosis in sea cucumber Apostichopus japonicus oocytes
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 micr...
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| Veröffentlicht in: | Chinese journal of oceanology and limnology 2010-05, Vol.28 (3), p.533-541 |
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| creator | Pang, Zhenguo Chang, Yaqing Sun, Huiling Yu, Jiaping |
| description | 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. |
| doi_str_mv | 10.1007/s00343-010-9009-2 |
| format | Article |
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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.</description><identifier>ISSN: 0254-4059</identifier><identifier>ISSN: 2096-5508</identifier><identifier>EISSN: 1993-5005</identifier><identifier>EISSN: 2523-3521</identifier><identifier>DOI: 10.1007/s00343-010-9009-2</identifier><language>eng</language><publisher>Heidelberg: SP Science Press</publisher><subject>Anatomy & physiology ; Apostichopus japonicus ; Biology ; Cell division ; Centrosomes ; Contracts ; Developmental biology ; Dithiothreitol ; Earth and Environmental Science ; Earth Sciences ; Gametocytes ; Holothurioidea ; Invertebrates ; Marine biology ; Marine invertebrates ; Meiosis ; Microtubules ; Oceanography ; Oocytes</subject><ispartof>Chinese journal of oceanology and limnology, 2010-05, Vol.28 (3), p.533-541</ispartof><rights>Chinese Society for Oceanology and Limnology, Science Press and Springer Berlin Heidelberg 2010</rights><rights>Chinese Society for Oceanology and Limnology, Science Press and Springer Berlin Heidelberg 2010.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c347t-bd173760aac9111973c31ea569667e0a07da81af5aff310d03953c88cdb3543b3</citedby><cites>FETCH-LOGICAL-c347t-bd173760aac9111973c31ea569667e0a07da81af5aff310d03953c88cdb3543b3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.proquest.com/docview/312807880/fulltextPDF?pq-origsite=primo$$EPDF$$P50$$Gproquest$$H</linktopdf><linktohtml>$$Uhttps://www.proquest.com/docview/312807880?pq-origsite=primo$$EHTML$$P50$$Gproquest$$H</linktohtml><link.rule.ids>314,776,780,21367,27901,27902,33721,43781,74045</link.rule.ids></links><search><creatorcontrib>Pang, Zhenguo</creatorcontrib><creatorcontrib>Chang, Yaqing</creatorcontrib><creatorcontrib>Sun, Huiling</creatorcontrib><creatorcontrib>Yu, Jiaping</creatorcontrib><title>Role of animal pole protuberance and microtubules during meiosis in sea cucumber Apostichopus japonicus oocytes</title><title>Chinese journal of oceanology and limnology</title><addtitle>Chin. J. Ocean. Limnol</addtitle><description>Fully grown oocytes of
Apostichopus japonicus
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Thus the oocyte protuberance indicates the presumptive animal pole well before maturation of the oocyte.</description><subject>Anatomy & physiology</subject><subject>Apostichopus japonicus</subject><subject>Biology</subject><subject>Cell division</subject><subject>Centrosomes</subject><subject>Contracts</subject><subject>Developmental biology</subject><subject>Dithiothreitol</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Gametocytes</subject><subject>Holothurioidea</subject><subject>Invertebrates</subject><subject>Marine biology</subject><subject>Marine invertebrates</subject><subject>Meiosis</subject><subject>Microtubules</subject><subject>Oceanography</subject><subject>Oocytes</subject><issn>0254-4059</issn><issn>2096-5508</issn><issn>1993-5005</issn><issn>2523-3521</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp1kU9LxDAQxYMouK5-AG_Bi6fqpGma5rgs_oMFQfQc0jTVLG1TO81hv71ZVxAET5lkfm_IvEfIJYMbBiBvEYAXPAMGmQJQWX5EFkwpngkAcUwWkIsiK0CoU3KGuE20KkAtSHgJnaOhpWbwvenouL-OU5hj7SYzWJcaDe29_X6KnUPaxMkP77R3PqBH6geKzlAbbeyThq7GgLO3H2GMSLdmDIO3qQrB7maH5-SkNR26i59zSd7u717Xj9nm-eFpvdpklhdyzuqGSS5LMMYqxpiS3HLmjChVWUoHBmRjKmZaYdqWM2jSOoLbqrJNzUXBa74k14e5aZfP6HDWvUfrus4MLkTUshCKVwUvE3n1h9yGOA3pc5qzvAJZVZAgdoCSD4iTa_U4Jb-mnWag9wHoQwA6BaD3Aeg8afKDBse9YW76Hfy_6AtDgYnQ</recordid><startdate>201005</startdate><enddate>201005</enddate><creator>Pang, Zhenguo</creator><creator>Chang, Yaqing</creator><creator>Sun, Huiling</creator><creator>Yu, Jiaping</creator><general>SP Science Press</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7QH</scope><scope>7QL</scope><scope>7SN</scope><scope>7TN</scope><scope>7U7</scope><scope>7UA</scope><scope>7XB</scope><scope>88I</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>GNUQQ</scope><scope>H96</scope><scope>HCIFZ</scope><scope>L.G</scope><scope>M2P</scope><scope>M7N</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>Q9U</scope><scope>8FD</scope><scope>FR3</scope><scope>H95</scope><scope>H99</scope><scope>L.F</scope><scope>P64</scope></search><sort><creationdate>201005</creationdate><title>Role of animal pole protuberance and microtubules during meiosis in sea cucumber Apostichopus japonicus oocytes</title><author>Pang, Zhenguo ; 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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.</abstract><cop>Heidelberg</cop><pub>SP Science Press</pub><doi>10.1007/s00343-010-9009-2</doi><tpages>9</tpages></addata></record> |
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| ispartof | Chinese journal of oceanology and limnology, 2010-05, Vol.28 (3), p.533-541 |
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| subjects | Anatomy & physiology Apostichopus japonicus Biology Cell division Centrosomes Contracts Developmental biology Dithiothreitol Earth and Environmental Science Earth Sciences Gametocytes Holothurioidea Invertebrates Marine biology Marine invertebrates Meiosis Microtubules Oceanography Oocytes |
| title | Role of animal pole protuberance and microtubules during meiosis in sea cucumber Apostichopus japonicus oocytes |
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