Molecular cytogenetic characterization of the dioecious Cannabis sativa with an XY chromosome sex determination system
Hemp (Cannabis sativa L.) was karyotyped using by DAPI/C-banding staining to provide chromosome measurements, and by fluorescence in situ hybridization with probes for 45 rDNA (pTa71), 5S rDNA (pCT4.2), a subtelomeric repeat (CS-1) and the Arabidopsis telomere probes. The karyotype has 18 autosomes...
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| creator | Divashuk, Mikhail G Alexandrov, Oleg S Razumova, Olga V Kirov, Ilya V Karlov, Gennady I |
| description | Hemp (Cannabis sativa L.) was karyotyped using by DAPI/C-banding staining to provide chromosome measurements, and by fluorescence in situ hybridization with probes for 45 rDNA (pTa71), 5S rDNA (pCT4.2), a subtelomeric repeat (CS-1) and the Arabidopsis telomere probes. The karyotype has 18 autosomes plus a sex chromosome pair (XX in female and XY in male plants). The autosomes are difficult to distinguish morphologically, but three pairs could be distinguished using the probes. The Y chromosome is larger than the autosomes, and carries a fully heterochromatic DAPI positive arm and CS-1 repeats only on the less intensely DAPI-stained, euchromatic arm. The X is the largest chromosome of all, and carries CS-1 subtelomeric repeats on both arms. The meiotic configuration of the sex bivalent locates a pseudoautosomal region of the Y chromosome at the end of the euchromatic CS-1-carrying arm. Our molecular cytogenetic study of the C. sativa sex chromosomes is a starting point for helping to make C. sativa a promising model to study sex chromosome evolution. |
| doi_str_mv | 10.1371/journal.pone.0085118 |
| format | Article |
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The karyotype has 18 autosomes plus a sex chromosome pair (XX in female and XY in male plants). The autosomes are difficult to distinguish morphologically, but three pairs could be distinguished using the probes. The Y chromosome is larger than the autosomes, and carries a fully heterochromatic DAPI positive arm and CS-1 repeats only on the less intensely DAPI-stained, euchromatic arm. The X is the largest chromosome of all, and carries CS-1 subtelomeric repeats on both arms. The meiotic configuration of the sex bivalent locates a pseudoautosomal region of the Y chromosome at the end of the euchromatic CS-1-carrying arm. Our molecular cytogenetic study of the C. sativa sex chromosomes is a starting point for helping to make C. sativa a promising model to study sex chromosome evolution.</description><identifier>ISSN: 1932-6203</identifier><identifier>EISSN: 1932-6203</identifier><identifier>DOI: 10.1371/journal.pone.0085118</identifier><identifier>PMID: 24465491</identifier><language>eng</language><publisher>United States: Public Library of Science</publisher><subject>Agriculture ; Arabidopsis - genetics ; Arabidopsis thaliana ; Banding ; Biology ; Biotechnology ; Cannabaceae ; Cannabis ; Cannabis - genetics ; Cannabis sativa ; Carica papaya ; Chromosome Banding ; Chromosome Mapping ; Chromosomes ; Chromosomes, Plant ; Deoxyribonucleic acid ; DNA ; DNA, Plant - genetics ; Evolution, Molecular ; Fluorescence ; Fluorescence in situ hybridization ; Fluorescent indicators ; Genes ; Genomes ; Genomics ; Hemp ; Humulus ; Humulus japonicus ; Humulus lupulus ; In Situ Hybridization, Fluorescence ; Karyotyping ; Marijuana ; Meiosis ; Moraceae ; Probes ; Sex ; Sex Chromosomes ; Sex determination ; Sex Determination Processes ; Silene ; Telomere ; Telomeres ; Y Chromosomes</subject><ispartof>PloS one, 2014-01, Vol.9 (1), p.e85118-e85118</ispartof><rights>COPYRIGHT 2014 Public Library of Science</rights><rights>2014 Divashuk et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License: http://creativecommons.org/licenses/by/4.0/ (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>2014 Divashuk et al 2014 Divashuk et al</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c692t-fa428933fbdc020a64dfd47004954cd1f9d919d36c3349ebfd64db251b3b6b873</citedby><cites>FETCH-LOGICAL-c692t-fa428933fbdc020a64dfd47004954cd1f9d919d36c3349ebfd64db251b3b6b873</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC3897423/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC3897423/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,723,776,780,860,881,2096,2915,23845,27901,27902,53766,53768,79343,79344</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/24465491$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Divashuk, Mikhail G</creatorcontrib><creatorcontrib>Alexandrov, Oleg S</creatorcontrib><creatorcontrib>Razumova, Olga V</creatorcontrib><creatorcontrib>Kirov, Ilya V</creatorcontrib><creatorcontrib>Karlov, Gennady I</creatorcontrib><title>Molecular cytogenetic characterization of the dioecious Cannabis sativa with an XY chromosome sex determination system</title><title>PloS one</title><addtitle>PLoS One</addtitle><description>Hemp (Cannabis sativa L.) was karyotyped using by DAPI/C-banding staining to provide chromosome measurements, and by fluorescence in situ hybridization with probes for 45 rDNA (pTa71), 5S rDNA (pCT4.2), a subtelomeric repeat (CS-1) and the Arabidopsis telomere probes. The karyotype has 18 autosomes plus a sex chromosome pair (XX in female and XY in male plants). The autosomes are difficult to distinguish morphologically, but three pairs could be distinguished using the probes. The Y chromosome is larger than the autosomes, and carries a fully heterochromatic DAPI positive arm and CS-1 repeats only on the less intensely DAPI-stained, euchromatic arm. The X is the largest chromosome of all, and carries CS-1 subtelomeric repeats on both arms. The meiotic configuration of the sex bivalent locates a pseudoautosomal region of the Y chromosome at the end of the euchromatic CS-1-carrying arm. Our molecular cytogenetic study of the C. sativa sex chromosomes is a starting point for helping to make C. sativa a promising model to study sex chromosome evolution.</description><subject>Agriculture</subject><subject>Arabidopsis - genetics</subject><subject>Arabidopsis thaliana</subject><subject>Banding</subject><subject>Biology</subject><subject>Biotechnology</subject><subject>Cannabaceae</subject><subject>Cannabis</subject><subject>Cannabis - genetics</subject><subject>Cannabis sativa</subject><subject>Carica papaya</subject><subject>Chromosome Banding</subject><subject>Chromosome Mapping</subject><subject>Chromosomes</subject><subject>Chromosomes, Plant</subject><subject>Deoxyribonucleic acid</subject><subject>DNA</subject><subject>DNA, Plant - genetics</subject><subject>Evolution, Molecular</subject><subject>Fluorescence</subject><subject>Fluorescence in situ hybridization</subject><subject>Fluorescent indicators</subject><subject>Genes</subject><subject>Genomes</subject><subject>Genomics</subject><subject>Hemp</subject><subject>Humulus</subject><subject>Humulus japonicus</subject><subject>Humulus lupulus</subject><subject>In Situ Hybridization, Fluorescence</subject><subject>Karyotyping</subject><subject>Marijuana</subject><subject>Meiosis</subject><subject>Moraceae</subject><subject>Probes</subject><subject>Sex</subject><subject>Sex Chromosomes</subject><subject>Sex determination</subject><subject>Sex Determination Processes</subject><subject>Silene</subject><subject>Telomere</subject><subject>Telomeres</subject><subject>Y 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| source | Public Library of Science (PLoS) Journals Open Access; MEDLINE; DOAJ Directory of Open Access Journals; EZB-FREE-00999 freely available EZB journals; PubMed Central; Free Full-Text Journals in Chemistry |
| subjects | Agriculture Arabidopsis - genetics Arabidopsis thaliana Banding Biology Biotechnology Cannabaceae Cannabis Cannabis - genetics Cannabis sativa Carica papaya Chromosome Banding Chromosome Mapping Chromosomes Chromosomes, Plant Deoxyribonucleic acid DNA DNA, Plant - genetics Evolution, Molecular Fluorescence Fluorescence in situ hybridization Fluorescent indicators Genes Genomes Genomics Hemp Humulus Humulus japonicus Humulus lupulus In Situ Hybridization, Fluorescence Karyotyping Marijuana Meiosis Moraceae Probes Sex Sex Chromosomes Sex determination Sex Determination Processes Silene Telomere Telomeres Y Chromosomes |
| title | Molecular cytogenetic characterization of the dioecious Cannabis sativa with an XY chromosome sex determination system |
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