Synapsis in single and double heterozygotes for partially overlapping inversions in chromosome 1 of the house mouse
Electron microscopic (EM) analysis of synaptonemal complexes (SC) in single and double heterozygotes for the partially overlapping inversions In(1)1Icg, In(1)1Rk and In(1)12Rk in chromosome 1 of the house mouse reveals that synapsis and synaptic adjustment are dependent on the size and location of t...
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| Veröffentlicht in: | Chromosoma 1990-09, Vol.99 (5), p.365-370 |
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| creator | BORODIN, P. M GORLOV, I. P LADYGINA, T. Y |
| description | Electron microscopic (EM) analysis of synaptonemal complexes (SC) in single and double heterozygotes for the partially overlapping inversions In(1)1Icg, In(1)1Rk and In(1)12Rk in chromosome 1 of the house mouse reveals that synapsis and synaptic adjustment are dependent on the size and location of the inversions and interaction between the latter. Is(1)1Icg contains insertions of the inverted repeats Is(HSR;1C5)1Icg and Is(HSR;1D)2Icg and an inverted euchromatic region. Synaptic adjustment of the D-loops by shortening of the asynapsed segments of the lateral elements belonging to the insertions occurs at the late zytogene to early pachytene stage. Synaptic adjustment of the inversion loops takes place at early to late pachytene. A delay in adjustment was found in the double heterozygotes In(1)1Icg/In(1)1Rk and In(1)1Icg/In(1)12Rk. A correspondence between the lifespan of asynapsis in inverted regions and the probability of association of XY and heteromorphic bivalents was revealed. |
| doi_str_mv | 10.1007/BF01731725 |
| format | Article |
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A correspondence between the lifespan of asynapsis in inverted regions and the probability of association of XY and heteromorphic bivalents was revealed.</description><identifier>ISSN: 0009-5915</identifier><identifier>EISSN: 1432-0886</identifier><identifier>DOI: 10.1007/BF01731725</identifier><identifier>PMID: 2265572</identifier><identifier>CODEN: CHROAU</identifier><language>eng</language><publisher>Berlin: Springer</publisher><subject>Animals ; Biological and medical sciences ; Centromere - ultrastructure ; Chromosome Inversion ; Chromosome Mapping ; Chromosomes - ultrastructure ; Crossing Over, Genetic ; Cytogenetics ; Female ; Fundamental and applied biological sciences. Psychology ; Genetics of eukaryotes. 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M</creatorcontrib><creatorcontrib>GORLOV, I. P</creatorcontrib><creatorcontrib>LADYGINA, T. Y</creatorcontrib><title>Synapsis in single and double heterozygotes for partially overlapping inversions in chromosome 1 of the house mouse</title><title>Chromosoma</title><addtitle>Chromosoma</addtitle><description>Electron microscopic (EM) analysis of synaptonemal complexes (SC) in single and double heterozygotes for the partially overlapping inversions In(1)1Icg, In(1)1Rk and In(1)12Rk in chromosome 1 of the house mouse reveals that synapsis and synaptic adjustment are dependent on the size and location of the inversions and interaction between the latter. Is(1)1Icg contains insertions of the inverted repeats Is(HSR;1C5)1Icg and Is(HSR;1D)2Icg and an inverted euchromatic region. Synaptic adjustment of the D-loops by shortening of the asynapsed segments of the lateral elements belonging to the insertions occurs at the late zytogene to early pachytene stage. Synaptic adjustment of the inversion loops takes place at early to late pachytene. A delay in adjustment was found in the double heterozygotes In(1)1Icg/In(1)1Rk and In(1)1Icg/In(1)12Rk. A correspondence between the lifespan of asynapsis in inverted regions and the probability of association of XY and heteromorphic bivalents was revealed.</description><subject>Animals</subject><subject>Biological and medical sciences</subject><subject>Centromere - ultrastructure</subject><subject>Chromosome Inversion</subject><subject>Chromosome Mapping</subject><subject>Chromosomes - ultrastructure</subject><subject>Crossing Over, Genetic</subject><subject>Cytogenetics</subject><subject>Female</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Genetics of eukaryotes. Biological and molecular evolution</subject><subject>Heterozygote</subject><subject>Karyotyping</subject><subject>Male</subject><subject>Mice - genetics</subject><subject>Vertebrata</subject><issn>0009-5915</issn><issn>1432-0886</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1990</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpFkE1Lw0AQhhdRaq1evAt70YMQ3Y8kmxy1WBUKHtRz2GQnbSTJxp1EiL_erQZ7mQ_mnYeZl5Bzzm44Y-r2fsW4klyJ6IDMeShFwJIkPiRzxlgaRCmPjskJ4seuFTGbkZkQcRQpMSf4Ora6wwpp1VKs2k0NVLeGGjvkvtxCD85-jxvbA9LSOtpp11e6rkdqv8DVuuv8kl_2DVa2_eUUW2cbi7YByqktab_1JDsg0GYXT8lRqWuEsykvyPvq4W35FKxfHp-Xd-ugkFz0gYgFmAhC4DIJhSn8HwCGK_-mCpWBGBLQOUSJKhWEXOc8VgKEjEzMEsNyuSBXf9zO2c8BsM-aCguoa92CvyNLGE8T74kXXv8JC2cRHZRZ56pGuzHjLNs5nO0d9uKLiTrkDZh_6WSpn19Oc42Frkun26LCPTGVMuUilT8l44Rj</recordid><startdate>19900901</startdate><enddate>19900901</enddate><creator>BORODIN, P. M</creator><creator>GORLOV, I. P</creator><creator>LADYGINA, T. 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Y</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c312t-262ed5e4e13842dc591eed17725747de6e8eabe587f7e41ab1672e235d608d0b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1990</creationdate><topic>Animals</topic><topic>Biological and medical sciences</topic><topic>Centromere - ultrastructure</topic><topic>Chromosome Inversion</topic><topic>Chromosome Mapping</topic><topic>Chromosomes - ultrastructure</topic><topic>Crossing Over, Genetic</topic><topic>Cytogenetics</topic><topic>Female</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Genetics of eukaryotes. Biological and molecular evolution</topic><topic>Heterozygote</topic><topic>Karyotyping</topic><topic>Male</topic><topic>Mice - genetics</topic><topic>Vertebrata</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>BORODIN, P. M</creatorcontrib><creatorcontrib>GORLOV, I. P</creatorcontrib><creatorcontrib>LADYGINA, T. Y</creatorcontrib><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>Chromosoma</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>BORODIN, P. M</au><au>GORLOV, I. P</au><au>LADYGINA, T. Y</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Synapsis in single and double heterozygotes for partially overlapping inversions in chromosome 1 of the house mouse</atitle><jtitle>Chromosoma</jtitle><addtitle>Chromosoma</addtitle><date>1990-09-01</date><risdate>1990</risdate><volume>99</volume><issue>5</issue><spage>365</spage><epage>370</epage><pages>365-370</pages><issn>0009-5915</issn><eissn>1432-0886</eissn><coden>CHROAU</coden><abstract>Electron microscopic (EM) analysis of synaptonemal complexes (SC) in single and double heterozygotes for the partially overlapping inversions In(1)1Icg, In(1)1Rk and In(1)12Rk in chromosome 1 of the house mouse reveals that synapsis and synaptic adjustment are dependent on the size and location of the inversions and interaction between the latter. Is(1)1Icg contains insertions of the inverted repeats Is(HSR;1C5)1Icg and Is(HSR;1D)2Icg and an inverted euchromatic region. Synaptic adjustment of the D-loops by shortening of the asynapsed segments of the lateral elements belonging to the insertions occurs at the late zytogene to early pachytene stage. Synaptic adjustment of the inversion loops takes place at early to late pachytene. A delay in adjustment was found in the double heterozygotes In(1)1Icg/In(1)1Rk and In(1)1Icg/In(1)12Rk. A correspondence between the lifespan of asynapsis in inverted regions and the probability of association of XY and heteromorphic bivalents was revealed.</abstract><cop>Berlin</cop><pub>Springer</pub><pmid>2265572</pmid><doi>10.1007/BF01731725</doi><tpages>6</tpages></addata></record> |
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| ispartof | Chromosoma, 1990-09, Vol.99 (5), p.365-370 |
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| language | eng |
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| source | MEDLINE; SpringerLink Journals |
| subjects | Animals Biological and medical sciences Centromere - ultrastructure Chromosome Inversion Chromosome Mapping Chromosomes - ultrastructure Crossing Over, Genetic Cytogenetics Female Fundamental and applied biological sciences. Psychology Genetics of eukaryotes. Biological and molecular evolution Heterozygote Karyotyping Male Mice - genetics Vertebrata |
| title | Synapsis in single and double heterozygotes for partially overlapping inversions in chromosome 1 of the house mouse |
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