Ultrastructural correlates of meiotic maturation in mammalian oocytes
Immature mammalian oocytes reside in ovarian follicles with junctionally coupled granulosa cells. When released from a currently undefined meiotic arresting influence, these oocytes resume meiosis to progress from late diplotene (germinal vesicle stage) through the first meiotic division to metaphas...
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| Veröffentlicht in: | Journal of electron microscopy technique 1990-12, Vol.16 (4), p.257-280 |
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| container_title | Journal of electron microscopy technique |
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| creator | McGaughey, Robert W. Racowsky, Catherine Rider, Virginia Baldwin, Kendall DeMarais, Alyce A. Webster, Scott D. |
| description | Immature mammalian oocytes reside in ovarian follicles with junctionally coupled granulosa cells. When released from a currently undefined meiotic arresting influence, these oocytes resume meiosis to progress from late diplotene (germinal vesicle stage) through the first meiotic division to metaphase II. Oocytes remain at metaphase II until fertilization activates them to complete meiosis. This review summarizes ultrastructural events that occur during meiotic maturation in mammals. Developmental correlates that promise a clearer understanding of regulatory mechanisms operating to control maturation are emphasized. By use of TEM of thin sections, freeze‐fracture analysis, and replicated oocyte cortical patches, we demonstrate stage‐specific changes in the oocyte nucleus, reorganization of cytoplasmic organelles, correlations between oocyte maturational commitment and the junctional integrity of associated granulosa cells, and definition of the components comprising the oocyte cortical cytoplasm. |
| doi_str_mv | 10.1002/jemt.1060160402 |
| format | Article |
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When released from a currently undefined meiotic arresting influence, these oocytes resume meiosis to progress from late diplotene (germinal vesicle stage) through the first meiotic division to metaphase II. Oocytes remain at metaphase II until fertilization activates them to complete meiosis. This review summarizes ultrastructural events that occur during meiotic maturation in mammals. Developmental correlates that promise a clearer understanding of regulatory mechanisms operating to control maturation are emphasized. By use of TEM of thin sections, freeze‐fracture analysis, and replicated oocyte cortical patches, we demonstrate stage‐specific changes in the oocyte nucleus, reorganization of cytoplasmic organelles, correlations between oocyte maturational commitment and the junctional integrity of associated granulosa cells, and definition of the components comprising the oocyte cortical cytoplasm.</description><identifier>ISSN: 0741-0581</identifier><identifier>EISSN: 1553-0817</identifier><identifier>DOI: 10.1002/jemt.1060160402</identifier><identifier>PMID: 2250183</identifier><identifier>CODEN: JEMTEC</identifier><language>eng</language><publisher>Hoboken: Wiley Subscription Services, Inc., A Wiley Company</publisher><subject>Actin ; Animals ; Biological and medical sciences ; Cell differentiation, maturation, development, hematopoiesis ; Cell physiology ; Cortex ; Female ; Freeze Fracturing ; Fundamental and applied biological sciences. Psychology ; Gap junction ; Granulosa ; Granulosa Cells - ultrastructure ; Intercellular Junctions - ultrastructure ; Mammal ; Mammals - physiology ; Maturation ; Meiosis ; Microscopy, Electron ; Molecular and cellular biology ; Oocyte ; Oocytes - ultrastructure ; Ultrastructure</subject><ispartof>Journal of electron microscopy technique, 1990-12, Vol.16 (4), p.257-280</ispartof><rights>Copyright © 1990 Wiley‐Liss, Inc.</rights><rights>1991 INIST-CNRS</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4122-d0d5ab348212645c903a762e4447281314482eac61bcf007d3c10ccfa6d20bb03</citedby><cites>FETCH-LOGICAL-c4122-d0d5ab348212645c903a762e4447281314482eac61bcf007d3c10ccfa6d20bb03</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fjemt.1060160402$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fjemt.1060160402$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=19653157$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/2250183$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>McGaughey, Robert W.</creatorcontrib><creatorcontrib>Racowsky, Catherine</creatorcontrib><creatorcontrib>Rider, Virginia</creatorcontrib><creatorcontrib>Baldwin, Kendall</creatorcontrib><creatorcontrib>DeMarais, Alyce A.</creatorcontrib><creatorcontrib>Webster, Scott D.</creatorcontrib><title>Ultrastructural correlates of meiotic maturation in mammalian oocytes</title><title>Journal of electron microscopy technique</title><addtitle>J. Elec. Microsc. Tech</addtitle><description>Immature mammalian oocytes reside in ovarian follicles with junctionally coupled granulosa cells. When released from a currently undefined meiotic arresting influence, these oocytes resume meiosis to progress from late diplotene (germinal vesicle stage) through the first meiotic division to metaphase II. Oocytes remain at metaphase II until fertilization activates them to complete meiosis. This review summarizes ultrastructural events that occur during meiotic maturation in mammals. Developmental correlates that promise a clearer understanding of regulatory mechanisms operating to control maturation are emphasized. By use of TEM of thin sections, freeze‐fracture analysis, and replicated oocyte cortical patches, we demonstrate stage‐specific changes in the oocyte nucleus, reorganization of cytoplasmic organelles, correlations between oocyte maturational commitment and the junctional integrity of associated granulosa cells, and definition of the components comprising the oocyte cortical cytoplasm.</description><subject>Actin</subject><subject>Animals</subject><subject>Biological and medical sciences</subject><subject>Cell differentiation, maturation, development, hematopoiesis</subject><subject>Cell physiology</subject><subject>Cortex</subject><subject>Female</subject><subject>Freeze Fracturing</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Gap junction</subject><subject>Granulosa</subject><subject>Granulosa Cells - ultrastructure</subject><subject>Intercellular Junctions - ultrastructure</subject><subject>Mammal</subject><subject>Mammals - physiology</subject><subject>Maturation</subject><subject>Meiosis</subject><subject>Microscopy, Electron</subject><subject>Molecular and cellular biology</subject><subject>Oocyte</subject><subject>Oocytes - ultrastructure</subject><subject>Ultrastructure</subject><issn>0741-0581</issn><issn>1553-0817</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1990</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkM1v1DAQxS0EKtvCmRNSLnALnfFHnBUnKNvyUeDSqhIXa-I4kosTF9sR7H9PVrtqxYnTePR-7431GHuB8AYB-OmtG8vyagAbkMAfsRUqJWpoUT9mK9ASa1AtPmXHOd8CSK00P2JHnCvAVqzY5jqURLmk2ZY5UahsTMkFKi5XcahG52PxthpppxYfp8pPyzaOFDxNVYx2u6DP2JOBQnbPD_OEXZ9vrs4-1pffLz6dvbusrUTO6x56RZ2QLUfeSGXXIEg33EkpNW9RoFwkR7bBzg4AuhcWwdqBmp5D14E4Ya_3uXcp_ppdLmb02boQaHJxzqYFlOuWrxfwdA_aFHNObjB3yY-UtgbB7Iozu-LMQ3GL4-Uheu5G19_zh6YW_dVBp2wpDIkm6_ND7LpRApVeuLd77rcPbvu_s-bz5uvVP7-o926fi_tz76b00zRaaGVuvl0Y-PD-x5cbrQ2Iv4LJlo8</recordid><startdate>199012</startdate><enddate>199012</enddate><creator>McGaughey, Robert W.</creator><creator>Racowsky, Catherine</creator><creator>Rider, Virginia</creator><creator>Baldwin, Kendall</creator><creator>DeMarais, Alyce A.</creator><creator>Webster, Scott D.</creator><general>Wiley Subscription Services, Inc., A Wiley Company</general><general>Liss</general><scope>BSCLL</scope><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>199012</creationdate><title>Ultrastructural correlates of meiotic maturation in mammalian oocytes</title><author>McGaughey, Robert W. ; Racowsky, Catherine ; Rider, Virginia ; Baldwin, Kendall ; DeMarais, Alyce A. ; Webster, Scott D.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4122-d0d5ab348212645c903a762e4447281314482eac61bcf007d3c10ccfa6d20bb03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1990</creationdate><topic>Actin</topic><topic>Animals</topic><topic>Biological and medical sciences</topic><topic>Cell differentiation, maturation, development, hematopoiesis</topic><topic>Cell physiology</topic><topic>Cortex</topic><topic>Female</topic><topic>Freeze Fracturing</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Gap junction</topic><topic>Granulosa</topic><topic>Granulosa Cells - ultrastructure</topic><topic>Intercellular Junctions - ultrastructure</topic><topic>Mammal</topic><topic>Mammals - physiology</topic><topic>Maturation</topic><topic>Meiosis</topic><topic>Microscopy, Electron</topic><topic>Molecular and cellular biology</topic><topic>Oocyte</topic><topic>Oocytes - ultrastructure</topic><topic>Ultrastructure</topic><toplevel>online_resources</toplevel><creatorcontrib>McGaughey, Robert W.</creatorcontrib><creatorcontrib>Racowsky, Catherine</creatorcontrib><creatorcontrib>Rider, Virginia</creatorcontrib><creatorcontrib>Baldwin, Kendall</creatorcontrib><creatorcontrib>DeMarais, Alyce A.</creatorcontrib><creatorcontrib>Webster, Scott D.</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of electron microscopy technique</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>McGaughey, Robert W.</au><au>Racowsky, Catherine</au><au>Rider, Virginia</au><au>Baldwin, Kendall</au><au>DeMarais, Alyce A.</au><au>Webster, Scott D.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Ultrastructural correlates of meiotic maturation in mammalian oocytes</atitle><jtitle>Journal of electron microscopy technique</jtitle><addtitle>J. Elec. Microsc. Tech</addtitle><date>1990-12</date><risdate>1990</risdate><volume>16</volume><issue>4</issue><spage>257</spage><epage>280</epage><pages>257-280</pages><issn>0741-0581</issn><eissn>1553-0817</eissn><coden>JEMTEC</coden><abstract>Immature mammalian oocytes reside in ovarian follicles with junctionally coupled granulosa cells. When released from a currently undefined meiotic arresting influence, these oocytes resume meiosis to progress from late diplotene (germinal vesicle stage) through the first meiotic division to metaphase II. Oocytes remain at metaphase II until fertilization activates them to complete meiosis. This review summarizes ultrastructural events that occur during meiotic maturation in mammals. Developmental correlates that promise a clearer understanding of regulatory mechanisms operating to control maturation are emphasized. 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| ispartof | Journal of electron microscopy technique, 1990-12, Vol.16 (4), p.257-280 |
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| subjects | Actin Animals Biological and medical sciences Cell differentiation, maturation, development, hematopoiesis Cell physiology Cortex Female Freeze Fracturing Fundamental and applied biological sciences. Psychology Gap junction Granulosa Granulosa Cells - ultrastructure Intercellular Junctions - ultrastructure Mammal Mammals - physiology Maturation Meiosis Microscopy, Electron Molecular and cellular biology Oocyte Oocytes - ultrastructure Ultrastructure |
| title | Ultrastructural correlates of meiotic maturation in mammalian oocytes |
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