Characterization of eight species of Aloe (Asphodelaceae) from the nucleolar organizing region
- Autores
- Sánchez, Ysbelia; Raymúndez, María B.; Imery, José; Acosta, María Cristina; Moscone, Eduardo Alberto
- Año de publicación
- 2018
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Nucleolar organizing region of eight species of Aloe was analyzed in somatic metaphases and interphase nuclei. All species showed a uniform 2n=14, with eight large chromosomes and six small chromosomes. Satellites were observed on the long arm of one or two pairs of large chromosomes and/or on the short arm of one of the small pairs. The silver-stained nucleolus organizing regions were located on the subtelomeric region of the long arm of one or two pairs of large chromosomes, except for Aloe dichotoma and Aloe maculata, which the AgNORs were located at a short arm of one of their small chromosomes. In most studied species, the active AgNOR number was four. However, this number changing from one to eight. For all species, the interphase number of nucleoli can be one or two, while, in Aloe excelsa, this number can be changing from one to eight. Polymorphism of active AgNORs and the number of interphase nucleoli were revealed, except for Aloe petricola, which active AgNORs were located only in the subtelomeric regions at the long arm of one of the L2 chromosomes, as well as in the L4 pair, which is agreement with the maximum number (three) of interphase nucleoli.
Fil: Sánchez, Ysbelia. Universidad Nacional Experimental del Tachira; Venezuela. Universidad Pedagogica Experimental Libertador, Institute Pedagogico de Caracas; Venezuela
Fil: Raymúndez, María B.. Universidad Central de Venezuela; Venezuela
Fil: Imery, José. Universidad de Oriente - Venezuela; Venezuela
Fil: Acosta, María Cristina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; Argentina
Fil: Moscone, Eduardo Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; Argentina - Materia
-
AGNORS
ALOE
NUCLEOLAR ACTIVITY
SILVER-BANDING - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/86548
Ver los metadatos del registro completo
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CONICET Digital (CONICET) |
spelling |
Characterization of eight species of Aloe (Asphodelaceae) from the nucleolar organizing regionSánchez, YsbeliaRaymúndez, María B.Imery, JoséAcosta, María CristinaMoscone, Eduardo AlbertoAGNORSALOENUCLEOLAR ACTIVITYSILVER-BANDINGhttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1Nucleolar organizing region of eight species of Aloe was analyzed in somatic metaphases and interphase nuclei. All species showed a uniform 2n=14, with eight large chromosomes and six small chromosomes. Satellites were observed on the long arm of one or two pairs of large chromosomes and/or on the short arm of one of the small pairs. The silver-stained nucleolus organizing regions were located on the subtelomeric region of the long arm of one or two pairs of large chromosomes, except for Aloe dichotoma and Aloe maculata, which the AgNORs were located at a short arm of one of their small chromosomes. In most studied species, the active AgNOR number was four. However, this number changing from one to eight. For all species, the interphase number of nucleoli can be one or two, while, in Aloe excelsa, this number can be changing from one to eight. Polymorphism of active AgNORs and the number of interphase nucleoli were revealed, except for Aloe petricola, which active AgNORs were located only in the subtelomeric regions at the long arm of one of the L2 chromosomes, as well as in the L4 pair, which is agreement with the maximum number (three) of interphase nucleoli.Fil: Sánchez, Ysbelia. Universidad Nacional Experimental del Tachira; Venezuela. Universidad Pedagogica Experimental Libertador, Institute Pedagogico de Caracas; VenezuelaFil: Raymúndez, María B.. Universidad Central de Venezuela; VenezuelaFil: Imery, José. Universidad de Oriente - Venezuela; VenezuelaFil: Acosta, María Cristina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; ArgentinaFil: Moscone, Eduardo Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; ArgentinaInstituto de Pesquisas Jardim Botanico do Rio de Janeiro2018-04info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/86548Sánchez, Ysbelia; Raymúndez, María B.; Imery, José; Acosta, María Cristina; Moscone, Eduardo Alberto; Characterization of eight species of Aloe (Asphodelaceae) from the nucleolar organizing region; Instituto de Pesquisas Jardim Botanico do Rio de Janeiro; Rodriguésia; 69; 2; 4-2018; 363-3720370-6583CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1590/2175-7860201869208info:eu-repo/semantics/altIdentifier/url/http://www.scielo.br/scielo.php?script=sci_arttext&pid=S2175-78602018000200363&lng=en&tlng=eninfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:08:03Zoai:ri.conicet.gov.ar:11336/86548instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 10:08:03.78CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Characterization of eight species of Aloe (Asphodelaceae) from the nucleolar organizing region |
title |
Characterization of eight species of Aloe (Asphodelaceae) from the nucleolar organizing region |
spellingShingle |
Characterization of eight species of Aloe (Asphodelaceae) from the nucleolar organizing region Sánchez, Ysbelia AGNORS ALOE NUCLEOLAR ACTIVITY SILVER-BANDING |
title_short |
Characterization of eight species of Aloe (Asphodelaceae) from the nucleolar organizing region |
title_full |
Characterization of eight species of Aloe (Asphodelaceae) from the nucleolar organizing region |
title_fullStr |
Characterization of eight species of Aloe (Asphodelaceae) from the nucleolar organizing region |
title_full_unstemmed |
Characterization of eight species of Aloe (Asphodelaceae) from the nucleolar organizing region |
title_sort |
Characterization of eight species of Aloe (Asphodelaceae) from the nucleolar organizing region |
dc.creator.none.fl_str_mv |
Sánchez, Ysbelia Raymúndez, María B. Imery, José Acosta, María Cristina Moscone, Eduardo Alberto |
author |
Sánchez, Ysbelia |
author_facet |
Sánchez, Ysbelia Raymúndez, María B. Imery, José Acosta, María Cristina Moscone, Eduardo Alberto |
author_role |
author |
author2 |
Raymúndez, María B. Imery, José Acosta, María Cristina Moscone, Eduardo Alberto |
author2_role |
author author author author |
dc.subject.none.fl_str_mv |
AGNORS ALOE NUCLEOLAR ACTIVITY SILVER-BANDING |
topic |
AGNORS ALOE NUCLEOLAR ACTIVITY SILVER-BANDING |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.6 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
Nucleolar organizing region of eight species of Aloe was analyzed in somatic metaphases and interphase nuclei. All species showed a uniform 2n=14, with eight large chromosomes and six small chromosomes. Satellites were observed on the long arm of one or two pairs of large chromosomes and/or on the short arm of one of the small pairs. The silver-stained nucleolus organizing regions were located on the subtelomeric region of the long arm of one or two pairs of large chromosomes, except for Aloe dichotoma and Aloe maculata, which the AgNORs were located at a short arm of one of their small chromosomes. In most studied species, the active AgNOR number was four. However, this number changing from one to eight. For all species, the interphase number of nucleoli can be one or two, while, in Aloe excelsa, this number can be changing from one to eight. Polymorphism of active AgNORs and the number of interphase nucleoli were revealed, except for Aloe petricola, which active AgNORs were located only in the subtelomeric regions at the long arm of one of the L2 chromosomes, as well as in the L4 pair, which is agreement with the maximum number (three) of interphase nucleoli. Fil: Sánchez, Ysbelia. Universidad Nacional Experimental del Tachira; Venezuela. Universidad Pedagogica Experimental Libertador, Institute Pedagogico de Caracas; Venezuela Fil: Raymúndez, María B.. Universidad Central de Venezuela; Venezuela Fil: Imery, José. Universidad de Oriente - Venezuela; Venezuela Fil: Acosta, María Cristina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; Argentina Fil: Moscone, Eduardo Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto Multidisciplinario de Biología Vegetal. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas Físicas y Naturales. Instituto Multidisciplinario de Biología Vegetal; Argentina |
description |
Nucleolar organizing region of eight species of Aloe was analyzed in somatic metaphases and interphase nuclei. All species showed a uniform 2n=14, with eight large chromosomes and six small chromosomes. Satellites were observed on the long arm of one or two pairs of large chromosomes and/or on the short arm of one of the small pairs. The silver-stained nucleolus organizing regions were located on the subtelomeric region of the long arm of one or two pairs of large chromosomes, except for Aloe dichotoma and Aloe maculata, which the AgNORs were located at a short arm of one of their small chromosomes. In most studied species, the active AgNOR number was four. However, this number changing from one to eight. For all species, the interphase number of nucleoli can be one or two, while, in Aloe excelsa, this number can be changing from one to eight. Polymorphism of active AgNORs and the number of interphase nucleoli were revealed, except for Aloe petricola, which active AgNORs were located only in the subtelomeric regions at the long arm of one of the L2 chromosomes, as well as in the L4 pair, which is agreement with the maximum number (three) of interphase nucleoli. |
publishDate |
2018 |
dc.date.none.fl_str_mv |
2018-04 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/86548 Sánchez, Ysbelia; Raymúndez, María B.; Imery, José; Acosta, María Cristina; Moscone, Eduardo Alberto; Characterization of eight species of Aloe (Asphodelaceae) from the nucleolar organizing region; Instituto de Pesquisas Jardim Botanico do Rio de Janeiro; Rodriguésia; 69; 2; 4-2018; 363-372 0370-6583 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/86548 |
identifier_str_mv |
Sánchez, Ysbelia; Raymúndez, María B.; Imery, José; Acosta, María Cristina; Moscone, Eduardo Alberto; Characterization of eight species of Aloe (Asphodelaceae) from the nucleolar organizing region; Instituto de Pesquisas Jardim Botanico do Rio de Janeiro; Rodriguésia; 69; 2; 4-2018; 363-372 0370-6583 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/doi/10.1590/2175-7860201869208 info:eu-repo/semantics/altIdentifier/url/http://www.scielo.br/scielo.php?script=sci_arttext&pid=S2175-78602018000200363&lng=en&tlng=en |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Instituto de Pesquisas Jardim Botanico do Rio de Janeiro |
publisher.none.fl_str_mv |
Instituto de Pesquisas Jardim Botanico do Rio de Janeiro |
dc.source.none.fl_str_mv |
reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
reponame_str |
CONICET Digital (CONICET) |
collection |
CONICET Digital (CONICET) |
instname_str |
Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.name.fl_str_mv |
CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.mail.fl_str_mv |
dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
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13.070432 |