Cytogenetics of Amaryllidaceae species: heterochromatin evolution in different ploidy levels
Species belonging to the Amaryllidaceae (Zephyranthes and Habranthus) were analyzed by banding with chromomycin A3 (CMA)/4,6-diamidino-2-phenylindole (DAPI) fluorochromes. The patterns of bands were studied in seven species of Zephyranthes Herb. and one of Habranthus Herb. Subterminal and interstiti...
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| creator | Felix, W. J. P Felix, L. P Melo, N. F Dutilh, J. H. A Carvalho, R |
| description | Species belonging to the Amaryllidaceae (Zephyranthes and Habranthus) were analyzed by banding with chromomycin A3 (CMA)/4,6-diamidino-2-phenylindole (DAPI) fluorochromes. The patterns of bands were studied in seven species of Zephyranthes Herb. and one of Habranthus Herb. Subterminal and interstitial DAPI+ bands were observed in Z. robusta 2n = 12 and Z. brachyandra 2n = 24. Other species showed no AT-rich heterochromatin. In species with 2n = 12, CMA+ bands were observed on one chromosome pair of Z. robusta and Zephyranthes sp., while in Z. sylvatica an additional small terminal band in the fifth chromosome pair was observed. Z. rosea and Z. grandiflora presented with 2n = 24 and had four CMA+ bands, while in Z. brachyandra, with 2n = 24 + 1B, there were eight interstitial dot bands and a larger terminal band in the short arm of the B chromosome. Z. candida with 2n = 38 presented CMA+ heterochromatin blocks on the long arms of five metacentric pairs and in the short arm of one of the submetacentric pairs; in addition a terminal band was observed on the long arm of one of the homologues of a larger submetacentric pair. H. itaobinus showed a heterozygous pair revealing a strong CMA+ band in only one of the homologues, likely a nucleolus organizing region. Taxonomic implications and karyotype evolution of this group are discussed and correlated with previous data from the literature. |
| doi_str_mv | 10.1007/s00606-011-0418-2 |
| format | Article |
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J. P ; Felix, L. P ; Melo, N. F ; Dutilh, J. H. A ; Carvalho, R</creator><creatorcontrib>Felix, W. J. P ; Felix, L. P ; Melo, N. F ; Dutilh, J. H. A ; Carvalho, R</creatorcontrib><description>Species belonging to the Amaryllidaceae (Zephyranthes and Habranthus) were analyzed by banding with chromomycin A3 (CMA)/4,6-diamidino-2-phenylindole (DAPI) fluorochromes. The patterns of bands were studied in seven species of Zephyranthes Herb. and one of Habranthus Herb. Subterminal and interstitial DAPI+ bands were observed in Z. robusta 2n = 12 and Z. brachyandra 2n = 24. Other species showed no AT-rich heterochromatin. In species with 2n = 12, CMA+ bands were observed on one chromosome pair of Z. robusta and Zephyranthes sp., while in Z. sylvatica an additional small terminal band in the fifth chromosome pair was observed. Z. rosea and Z. grandiflora presented with 2n = 24 and had four CMA+ bands, while in Z. brachyandra, with 2n = 24 + 1B, there were eight interstitial dot bands and a larger terminal band in the short arm of the B chromosome. Z. candida with 2n = 38 presented CMA+ heterochromatin blocks on the long arms of five metacentric pairs and in the short arm of one of the submetacentric pairs; in addition a terminal band was observed on the long arm of one of the homologues of a larger submetacentric pair. H. itaobinus showed a heterozygous pair revealing a strong CMA+ band in only one of the homologues, likely a nucleolus organizing region. Taxonomic implications and karyotype evolution of this group are discussed and correlated with previous data from the literature.</description><identifier>ISSN: 0378-2697</identifier><identifier>EISSN: 1615-6110</identifier><identifier>EISSN: 2199-6881</identifier><identifier>DOI: 10.1007/s00606-011-0418-2</identifier><language>eng</language><publisher>Vienna: Vienna : Springer Vienna</publisher><subject>Amaryllidaceae ; B chromosome ; Biological evolution ; Biological taxonomies ; Biomedical and Life Sciences ; Chromosomes ; CMA/DAPI ; Cytogenetics ; Diploidy ; Evolution ; Fluorophores ; Habranthus ; Herbs ; Heterochromatin ; Heteromorphism ; Homology ; Karyotype ; Karyotypes ; Life Sciences ; Nucleoli ; Original Article ; Plant Anatomy/Development ; Plant Ecology ; Plant Sciences ; Plant Systematics/Taxonomy/Biogeography ; Plants ; Ploidies ; Ploidy ; polyploidy ; Species ; Zephyranthes</subject><ispartof>Plant systematics and evolution, 2011-04, Vol.292 (3-4), p.215-221</ispartof><rights>Springer-Verlag 2011</rights><rights>Plant Systematics and Evolution is a copyright of Springer, (2011). All Rights Reserved.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c471t-10ab5da3fb5de4cf1c0203f8057c1c8f8e1c7979883014c6a8969a36b98c85353</citedby><cites>FETCH-LOGICAL-c471t-10ab5da3fb5de4cf1c0203f8057c1c8f8e1c7979883014c6a8969a36b98c85353</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/43558162$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/43558162$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,780,784,803,27924,27925,41488,42557,51319,58017,58250</link.rule.ids></links><search><creatorcontrib>Felix, W. J. P</creatorcontrib><creatorcontrib>Felix, L. P</creatorcontrib><creatorcontrib>Melo, N. F</creatorcontrib><creatorcontrib>Dutilh, J. H. A</creatorcontrib><creatorcontrib>Carvalho, R</creatorcontrib><title>Cytogenetics of Amaryllidaceae species: heterochromatin evolution in different ploidy levels</title><title>Plant systematics and evolution</title><addtitle>Plant Syst Evol</addtitle><description>Species belonging to the Amaryllidaceae (Zephyranthes and Habranthus) were analyzed by banding with chromomycin A3 (CMA)/4,6-diamidino-2-phenylindole (DAPI) fluorochromes. The patterns of bands were studied in seven species of Zephyranthes Herb. and one of Habranthus Herb. Subterminal and interstitial DAPI+ bands were observed in Z. robusta 2n = 12 and Z. brachyandra 2n = 24. Other species showed no AT-rich heterochromatin. In species with 2n = 12, CMA+ bands were observed on one chromosome pair of Z. robusta and Zephyranthes sp., while in Z. sylvatica an additional small terminal band in the fifth chromosome pair was observed. Z. rosea and Z. grandiflora presented with 2n = 24 and had four CMA+ bands, while in Z. brachyandra, with 2n = 24 + 1B, there were eight interstitial dot bands and a larger terminal band in the short arm of the B chromosome. Z. candida with 2n = 38 presented CMA+ heterochromatin blocks on the long arms of five metacentric pairs and in the short arm of one of the submetacentric pairs; in addition a terminal band was observed on the long arm of one of the homologues of a larger submetacentric pair. H. itaobinus showed a heterozygous pair revealing a strong CMA+ band in only one of the homologues, likely a nucleolus organizing region. Taxonomic implications and karyotype evolution of this group are discussed and correlated with previous data from the literature.</description><subject>Amaryllidaceae</subject><subject>B chromosome</subject><subject>Biological evolution</subject><subject>Biological taxonomies</subject><subject>Biomedical and Life Sciences</subject><subject>Chromosomes</subject><subject>CMA/DAPI</subject><subject>Cytogenetics</subject><subject>Diploidy</subject><subject>Evolution</subject><subject>Fluorophores</subject><subject>Habranthus</subject><subject>Herbs</subject><subject>Heterochromatin</subject><subject>Heteromorphism</subject><subject>Homology</subject><subject>Karyotype</subject><subject>Karyotypes</subject><subject>Life Sciences</subject><subject>Nucleoli</subject><subject>Original Article</subject><subject>Plant Anatomy/Development</subject><subject>Plant Ecology</subject><subject>Plant Sciences</subject><subject>Plant Systematics/Taxonomy/Biogeography</subject><subject>Plants</subject><subject>Ploidies</subject><subject>Ploidy</subject><subject>polyploidy</subject><subject>Species</subject><subject>Zephyranthes</subject><issn>0378-2697</issn><issn>1615-6110</issn><issn>2199-6881</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp9UEuLFDEQDqLg7OoP8CA2eO61qtN5eVuG1RUGPOjehJDNVGYz9HbGJLMw_94MLe7NSxVV9T2oj7F3CFcIoD4VAAmyB8QeRtT98IKtUKLoJSK8ZCvgqi2lUa_ZRSl7AFRyVCv2a32qaUcz1ehLl0J3_ejyaZri1nly1JUD-Ujlc_dAlXLyDzk9uhrnjp7SdKwxzV0btjEEyjTX7jCluD11Ez3RVN6wV8FNhd7-7Zfs7svNz_Vtv_n-9dv6etP7UWHtEdy92DoeWqXRB_QwAA8ahPLoddCEXhlltOaAo5dOG2kcl_dGey244Jfs46J7yOn3kUq1-3TMc7O0wyAM50ZLaChcUD6nUjIFe8jx_K1FsOcQ7RKibSHac4h2aJxh4ZSGnXeUn5X_R3q_kPalpvzPZeRCaJTn-4flHlyybpdjsXc_BsD2nRFiAMH_ABBLh_U</recordid><startdate>20110401</startdate><enddate>20110401</enddate><creator>Felix, W. 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A ; Carvalho, R</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c471t-10ab5da3fb5de4cf1c0203f8057c1c8f8e1c7979883014c6a8969a36b98c85353</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Amaryllidaceae</topic><topic>B chromosome</topic><topic>Biological evolution</topic><topic>Biological taxonomies</topic><topic>Biomedical and Life Sciences</topic><topic>Chromosomes</topic><topic>CMA/DAPI</topic><topic>Cytogenetics</topic><topic>Diploidy</topic><topic>Evolution</topic><topic>Fluorophores</topic><topic>Habranthus</topic><topic>Herbs</topic><topic>Heterochromatin</topic><topic>Heteromorphism</topic><topic>Homology</topic><topic>Karyotype</topic><topic>Karyotypes</topic><topic>Life Sciences</topic><topic>Nucleoli</topic><topic>Original Article</topic><topic>Plant Anatomy/Development</topic><topic>Plant Ecology</topic><topic>Plant Sciences</topic><topic>Plant Systematics/Taxonomy/Biogeography</topic><topic>Plants</topic><topic>Ploidies</topic><topic>Ploidy</topic><topic>polyploidy</topic><topic>Species</topic><topic>Zephyranthes</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Felix, W. J. P</creatorcontrib><creatorcontrib>Felix, L. P</creatorcontrib><creatorcontrib>Melo, N. F</creatorcontrib><creatorcontrib>Dutilh, J. H. 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J. P</au><au>Felix, L. P</au><au>Melo, N. F</au><au>Dutilh, J. H. A</au><au>Carvalho, R</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Cytogenetics of Amaryllidaceae species: heterochromatin evolution in different ploidy levels</atitle><jtitle>Plant systematics and evolution</jtitle><stitle>Plant Syst Evol</stitle><date>2011-04-01</date><risdate>2011</risdate><volume>292</volume><issue>3-4</issue><spage>215</spage><epage>221</epage><pages>215-221</pages><issn>0378-2697</issn><eissn>1615-6110</eissn><eissn>2199-6881</eissn><abstract>Species belonging to the Amaryllidaceae (Zephyranthes and Habranthus) were analyzed by banding with chromomycin A3 (CMA)/4,6-diamidino-2-phenylindole (DAPI) fluorochromes. The patterns of bands were studied in seven species of Zephyranthes Herb. and one of Habranthus Herb. Subterminal and interstitial DAPI+ bands were observed in Z. robusta 2n = 12 and Z. brachyandra 2n = 24. Other species showed no AT-rich heterochromatin. In species with 2n = 12, CMA+ bands were observed on one chromosome pair of Z. robusta and Zephyranthes sp., while in Z. sylvatica an additional small terminal band in the fifth chromosome pair was observed. Z. rosea and Z. grandiflora presented with 2n = 24 and had four CMA+ bands, while in Z. brachyandra, with 2n = 24 + 1B, there were eight interstitial dot bands and a larger terminal band in the short arm of the B chromosome. Z. candida with 2n = 38 presented CMA+ heterochromatin blocks on the long arms of five metacentric pairs and in the short arm of one of the submetacentric pairs; in addition a terminal band was observed on the long arm of one of the homologues of a larger submetacentric pair. H. itaobinus showed a heterozygous pair revealing a strong CMA+ band in only one of the homologues, likely a nucleolus organizing region. Taxonomic implications and karyotype evolution of this group are discussed and correlated with previous data from the literature.</abstract><cop>Vienna</cop><pub>Vienna : Springer Vienna</pub><doi>10.1007/s00606-011-0418-2</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Amaryllidaceae B chromosome Biological evolution Biological taxonomies Biomedical and Life Sciences Chromosomes CMA/DAPI Cytogenetics Diploidy Evolution Fluorophores Habranthus Herbs Heterochromatin Heteromorphism Homology Karyotype Karyotypes Life Sciences Nucleoli Original Article Plant Anatomy/Development Plant Ecology Plant Sciences Plant Systematics/Taxonomy/Biogeography Plants Ploidies Ploidy polyploidy Species Zephyranthes |
| title | Cytogenetics of Amaryllidaceae species: heterochromatin evolution in different ploidy levels |
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