Asymmetrical pairings of transposons in and proximal to the white locus of Drosophila account for four classes of regularly occurring exchange products
An explanation for the origins of four classes of regularly occurring duplication and deficiency chromosomes is provided through examination of their molecular structures. The duplications and deficiencies occur as the reciprocal products of crossing-over, following two different patterns of asymmet...
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| Veröffentlicht in: | Proceedings of the National Academy of Sciences - PNAS 1987-01, Vol.84 (1), p.174-178 |
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| container_title | Proceedings of the National Academy of Sciences - PNAS |
| container_volume | 84 |
| creator | Davis, P.S Shen, M.W Judd, B.H |
| description | An explanation for the origins of four classes of regularly occurring duplication and deficiency chromosomes is provided through examination of their molecular structures. The duplications and deficiencies occur as the reciprocal products of crossing-over, following two different patterns of asymmetrical synapsis between transposons positioned in and proximal to the white locus of Drosophila melanogaster. Three copies of the retrovirus-like transposon roo are involved in the exchanges. Evidence suggests that transposon-mediated asymmetrical exchange is a general phenomenon in eukaryotes, which adds significantly to the effects of transposons in the restructuring of eukaryotic genomes. |
| doi_str_mv | 10.1073/pnas.84.1.174 |
| format | Article |
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Shen, M.W ; Judd, B.H</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3854-ac166aed110c152ff73789b79605df92dfdac2121fd034734dbeec1cc028da593</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1987</creationdate><topic>Alleles</topic><topic>Animals</topic><topic>Base Sequence</topic><topic>CHROMOSOME</topic><topic>Chromosome Mapping</topic><topic>CHROMOSOMES</topic><topic>Coordinate systems</topic><topic>CROMOSOMAS</topic><topic>DNA</topic><topic>DNA Restriction Enzymes</topic><topic>DNA Transposable Elements</topic><topic>DROSOPHILA</topic><topic>DROSOPHILA MELANOGASTER</topic><topic>Drosophila melanogaster - genetics</topic><topic>Genetic loci</topic><topic>GENOMAS</topic><topic>GENOME</topic><topic>GENOMES</topic><topic>Heterozygotes</topic><topic>MEIOSE</topic><topic>MEIOSIS</topic><topic>Molecular genetics</topic><topic>Mutation</topic><topic>Phenotypes</topic><topic>RECOMBINACION</topic><topic>RECOMBINAISON</topic><topic>RECOMBINATION</topic><topic>Transposons</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Davis, P.S</creatorcontrib><creatorcontrib>Shen, M.W</creatorcontrib><creatorcontrib>Judd, B.H</creatorcontrib><collection>AGRIS</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><collection>PubMed Central (Full Participant titles)</collection><jtitle>Proceedings of the National Academy of Sciences - PNAS</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Davis, P.S</au><au>Shen, M.W</au><au>Judd, B.H</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Asymmetrical pairings of transposons in and proximal to the white locus of Drosophila account for four classes of regularly occurring exchange products</atitle><jtitle>Proceedings of the National Academy of Sciences - PNAS</jtitle><addtitle>Proc Natl Acad Sci U S A</addtitle><date>1987-01</date><risdate>1987</risdate><volume>84</volume><issue>1</issue><spage>174</spage><epage>178</epage><pages>174-178</pages><issn>0027-8424</issn><eissn>1091-6490</eissn><abstract>An explanation for the origins of four classes of regularly occurring duplication and deficiency chromosomes is provided through examination of their molecular structures. The duplications and deficiencies occur as the reciprocal products of crossing-over, following two different patterns of asymmetrical synapsis between transposons positioned in and proximal to the white locus of Drosophila melanogaster. Three copies of the retrovirus-like transposon roo are involved in the exchanges. Evidence suggests that transposon-mediated asymmetrical exchange is a general phenomenon in eukaryotes, which adds significantly to the effects of transposons in the restructuring of eukaryotic genomes.</abstract><cop>United States</cop><pub>National Academy of Sciences of the United States of America</pub><pmid>3025852</pmid><doi>10.1073/pnas.84.1.174</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
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| identifier | ISSN: 0027-8424 |
| ispartof | Proceedings of the National Academy of Sciences - PNAS, 1987-01, Vol.84 (1), p.174-178 |
| issn | 0027-8424 1091-6490 |
| language | eng |
| recordid | cdi_jstor_primary_28971 |
| source | MEDLINE; Jstor Complete Legacy; PubMed Central; Alma/SFX Local Collection; Free Full-Text Journals in Chemistry |
| subjects | Alleles Animals Base Sequence CHROMOSOME Chromosome Mapping CHROMOSOMES Coordinate systems CROMOSOMAS DNA DNA Restriction Enzymes DNA Transposable Elements DROSOPHILA DROSOPHILA MELANOGASTER Drosophila melanogaster - genetics Genetic loci GENOMAS GENOME GENOMES Heterozygotes MEIOSE MEIOSIS Molecular genetics Mutation Phenotypes RECOMBINACION RECOMBINAISON RECOMBINATION Transposons |
| title | Asymmetrical pairings of transposons in and proximal to the white locus of Drosophila account for four classes of regularly occurring exchange products |
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