دورية أكاديمية
Cytogenetic Diversity and the Evolutionary Dynamics of rDNA Genes and Telomeric Sequences in the Ancistrus Genus (Loricariidae: Ancistrini).
| العنوان: | Cytogenetic Diversity and the Evolutionary Dynamics of rDNA Genes and Telomeric Sequences in the Ancistrus Genus (Loricariidae: Ancistrini). |
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| المؤلفون: | Favarato RM; 1 Programa de Pós-Graduação em Genética, Conservação e Biologia Evolutiva, Instituto Nacional de Pesquisas da Amazônia , Manaus, Brazil ., Silva Md; 1 Programa de Pós-Graduação em Genética, Conservação e Biologia Evolutiva, Instituto Nacional de Pesquisas da Amazônia , Manaus, Brazil ., Oliveira RR; 2 Coordenação de Biodiversidade, Programa de Pós-Graduação em Biologia de Água Doce e Pesca Interior, Instituto Nacional de Pesquisas da Amazônia , Manaus, Brazil ., Artoni RF; 3 Departamento de Biologia Estrutural, Molecular e Genética, Universidade Estadual de Ponta Grossa , Ponta Grossa, Brazil ., Feldberg E; 1 Programa de Pós-Graduação em Genética, Conservação e Biologia Evolutiva, Instituto Nacional de Pesquisas da Amazônia , Manaus, Brazil ., Matoso DA; 4 Departamento de Genética, Instituto de Ciências Biológicas, Universidade Federal do Amazonas , Manaus, Brazil . |
| المصدر: | Zebrafish [Zebrafish] 2016 Apr; Vol. 13 (2), pp. 103-11. Date of Electronic Publication: 2016 Feb 01. |
| نوع المنشور: | Journal Article; Research Support, Non-U.S. Gov't |
| اللغة: | English |
| بيانات الدورية: | Publisher: Mary Ann Liebert, Inc Country of Publication: United States NLM ID: 101225070 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1557-8542 (Electronic) Linking ISSN: 15458547 NLM ISO Abbreviation: Zebrafish Subsets: MEDLINE |
| أسماء مطبوعة: | Original Publication: Larchmont, NY : Mary Ann Liebert, Inc., c2004- |
| مواضيع طبية MeSH: | Evolution, Molecular* , Karyotype*, Catfishes/*genetics , RNA, Ribosomal, 18S/*genetics , RNA, Ribosomal, 5S/*genetics, Animals ; Female ; Male ; Telomere |
| مستخلص: | The Ancistrus genus differs from other Ancistrini due to its wide karyotypic diversity, varied diploid numbers, differences in sex chromosomes, and large number of species, as well as its tendency to form small populations with low vagility. This study investigated the role of 5S and 18S rDNA and telomeric repetitive sequences in the evolution of the karyotypic macrostructure of seven species of the genus Ancistrus from the Central Amazon. The results indicate a strong correlation between the location of ribosomal sites and fragile sites in the genome, particularly of 5S rDNA sequences, which are associated, in some species, with telomeric sequences at the sites of chromosomal healing. Moreover, the occurrence of two lineages was observed with regard to the synteny of ribosomal genes. The species of the genus Ancistrus showed high chromosomal lability associated with breakpoints, which was characterized by the presence of repetitive DNA sequences and this process is suggested to be an evolutionary model for the rapid fixation of structural rearrangements. |
| المشرفين على المادة: | 0 (RNA, Ribosomal, 18S) 0 (RNA, Ribosomal, 5S) |
| تواريخ الأحداث: | Date Created: 20160202 Date Completed: 20170110 Latest Revision: 20170111 |
| رمز التحديث: | 20231215 |
| DOI: | 10.1089/zeb.2015.1140 |
| PMID: | 26829587 |
| قاعدة البيانات: | MEDLINE |
| تدمد: | 1557-8542 |
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| DOI: | 10.1089/zeb.2015.1140 |