Chromosomal and genomic analysis suggests single origin and high molecular differentiation of the B chromosome of Abracris flavolineata

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorUniversidade Federal de Pernambuco (UFPE)-
Autor(es): dc.contributorIBS–UNaM–CONICET-
Autor(es): dc.creatorMilani, Diogo-
Autor(es): dc.creatorGasparotto, Ana Elisa-
Autor(es): dc.creatorLoreto, Vilma-
Autor(es): dc.creatorMartí, Dardoa.-
Autor(es): dc.creatorCabral-De-mello, Diogo C.-
Data de aceite: dc.date.accessioned2025-08-21T20:48:14Z-
Data de disponibilização: dc.date.available2025-08-21T20:48:14Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2024-09-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1139/gen-2023-0122-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/308083-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/308083-
Descrição: dc.descriptionSupernumerary chromosomes (B chromosomes) have been an intriguing subject of study. Our understanding of the molecular differentiation of B chromosomes from an interpopulation perspective remains limited, with most analyses involving chromosome banding and mapping of a few sequences. To gain insights into the molecular composition, origin, and evolution of B chromosomes, we conducted cytogenetic and next-generation sequencing analysis of the repeatome in the grasshopper Abracris flavolineata across various populations. Our results unveiled the presence of B chromosomes in two newly investigated populations and described new satellite DNA sequences. While we observed some degree of genetic connection among A. flavo-lineata populations, our comparative analysis of genomes with and without B chromosomes provided evidence of two new B chromosome variants. These variants exhibited distinct compositions of various repeat classes, including transposable elements and satellite DNAs. Based on shared repeats, their chromosomal location, and the C-positive heterochromatin content on the B chromosome, these variants likely share a common origin but have undergone distinct molecular differentiation processes, resulting in varying degrees of heterochromatinization. Our data serve as a detailed example of the dynamic and differentiated nature of B chromosome molecular content at the interpopulation level, even when they share a common origin.-
Descrição: dc.descriptionCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)-
Descrição: dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
Descrição: dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
Descrição: dc.descriptionUniv Estadual Paulista (UNESP) Instituto de Biociências Departamento de Biologia Geral e Aplicada, São Paulo-
Descrição: dc.descriptionUniv Federal de Pernambuco (UFPE) Centro de Biociências Departamento de Genética, Pernambuco-
Descrição: dc.descriptionIBS–UNaM–CONICET, Misiones-
Descrição: dc.descriptionUniv Estadual Paulista (UNESP) Instituto de Biociências Departamento de Biologia Geral e Aplicada, São Paulo-
Descrição: dc.descriptionFAPESP: 2014/11763-8-
Descrição: dc.descriptionFAPESP: 2015/16661-1-
Descrição: dc.descriptionCNPq: 308290/2020-8-
Formato: dc.format327-338-
Idioma: dc.languageen-
Relação: dc.relationGenome-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectFISH-
Palavras-chave: dc.subjectgenome-
Palavras-chave: dc.subjectpopulation-
Palavras-chave: dc.subjectrepetitive DNAs-
Palavras-chave: dc.subjectsupernumerary chromosome-
Título: dc.titleChromosomal and genomic analysis suggests single origin and high molecular differentiation of the B chromosome of Abracris flavolineata-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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