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Provedor de dados:  Genet. Mol. Biol.
País:  Brazil
Título:  Characterization and expression of the ABC family (G group) in ‘Dangshansuli’ pear (Pyrus bretschneideri Rehd.) and its russet mutant
Autores:  Hou,Zhaoqi
Jia,Bing
Li,Fei
Liu,Pu
Liu,Li
Ye,Zhenfeng
Zhu,Liwu
Wang,Qi
Heng,Wei
Data:  2018-03-01
Ano:  2018
Palavras-chave:  Pear
Russet mutant
ABCG
Evolution
Gene expression
Resumo:  Abstract The plant genes encoding ABCGs that have been identified to date play a role in suberin formation in response to abiotic and biotic stress. In the present study, 80 ABCG genes were identified in ‘Dangshansuli’ Chinese white pear and designated as PbABCGs. Based on the structural characteristics and phylogenetic analysis, the PbABCG family genes could be classified into seven main groups: classes A-G. Segmental and dispersed duplications were the primary forces underlying the PbABCG gene family expansion in ‘Dangshansuli’ pear. Most of the PbABCG duplicated gene pairs date to the recent whole-genome duplication that occurred 30~45 million years ago. Purifying selection has also played a critical role in the evolution of the ABCG genes. Ten PbABCG genes screened in the transcriptome of ‘Dangshansuli’ pear and its russet mutant ‘Xiusu’ were validated, and the expression levels of the PbABCG genes exhibited significant differences at different stages. The results presented here will undoubtedly be useful for better understanding of the complexity of the PbABCG gene family and will facilitate the functional characterization of suberin formation in the russet mutant.
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Identificador:  http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572018000100137
Editor:  Sociedade Brasileira de Genética
Relação:  10.1590/1678-4685-gmb-2017-0109
Formato:  text/html
Fonte:  Genetics and Molecular Biology v.41 n.1 2018
Direitos:  info:eu-repo/semantics/openAccess
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