Data/hora: 10/06/2024 19:10:27

Provedor de dados: | Genetics and Molecular Biology
País: | Brazil
Título: | Tandem repeat distribution of gene transcripts in three plant families
Autores: | Maia,Luciano Carlos da; Souza,Velci Queiróz de; Kopp,Mauricio Marini; Carvalho,Fernando Irajá Félix de; Oliveira,Antonio Costa de.
Data: | 2009-01-01
Ano: | 2009
Palavras-chave: | SSR; EST; Comparative genomics; Molecular markers.
Resumo: | Tandem repeats (microsatellites or SSRs) are molecular markers with great potential for plant genetic studies. Modern strategies include the transfer of these markers among widely studied and orphan species. In silico analyses allow for studying distribution patterns of microsatellites and predicting which motifs would be more amenable to interspecies transfer. Transcribed sequences (Unigene) from ten species of three plant families were surveyed for the occurrence of micro and minisatellites. Transcripts from different species displayed different rates of tandem repeat occurrence, ranging from 1.47% to 11.28%. Both similar and different patterns were found within and among plant families. The results also indicate a lack of association between genome size and tandem repeat fractions in expressed regions. The conservation of motifs among species and its implication on genome evolution and dynamics are discussed.
Tipo: | Info:eu-repo/semantics/article
Idioma: | Inglês
Identificador: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572009000400025
Editor: | Sociedade Brasileira de Genética
Relação: | 10.1590/S1415-47572009005000091
Formato: | text/html
Fonte: | Genetics and Molecular Biology  v.32 n.4 2009
Fonte: | info:eu-repo/semantics/openAccess