Molecular cloning, characterization and expression analysis of CpCBF2 gene in harvested papaya fruit under temperature stresses

Background: C-repeat binding factors (CBFs) are transcription factors that regulate the expression of a number of genes related to abiotic stresses. Few CBF genes have been cloned from other plants but no report in papaya. In present study, a full-length cDNA, designated as CpCBF2, was cloned from p...

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Autores principales: Zhu,Xiaoyang, Li,Xueping, Chen,Weixin, Lu,Wangjin, Mao,Jia, Liu,Tongxin
Lenguaje:English
Publicado: Pontificia Universidad Católica de Valparaíso 2013
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Acceso en línea:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582013000400001
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spelling oai:scielo:S0717-345820130004000012013-08-22Molecular cloning, characterization and expression analysis of CpCBF2 gene in harvested papaya fruit under temperature stressesZhu,XiaoyangLi,XuepingChen,WeixinLu,WangjinMao,JiaLiu,Tongxin CpCBF2 gene expression papaya temperature stresses Background: C-repeat binding factors (CBFs) are transcription factors that regulate the expression of a number of genes related to abiotic stresses. Few CBF genes have been cloned from other plants but no report in papaya. In present study, a full-length cDNA, designated as CpCBF2, was cloned from papaya using in silico cloning and 5’- rapid amplification cDNA ends (RACE). Sequence analysis was performed to understand the gene function. The expression pattern of CpCBF2 in papaya under low (7ºC) and high temperature (35ºC) stresses was examined using real-time quantitative polymerase chain reaction (RT-qPCR). Results: The full-length cDNA of CpCBF2 was 986-bp, with a 762-bp open reading frame (ORF) encoding a 254 amino acid polypeptide. CpCBF2 contained several major highly conserved regions including the CBF-family signature PKRRAGRKKFQETRHP and FADSAW in its amino acid sequence. Phylogenetic tree and three-dimensional structure analysis showed that CpCBF2 had a relatively close relationship with other plant CBFs. Gene expression analysis showed that high temperature stress had little effect on the expression of CpCBF2 but low temperature repressed CpCBF2 expression. Conclusion: The results showed that CpCBF2 may involve in different roles in temperature stress tolerance. This study provided a candidate gene potentially useful for fruit temperature stress tolerance, although its function still needs further confirmation.info:eu-repo/semantics/openAccessPontificia Universidad Católica de ValparaísoElectronic Journal of Biotechnology v.16 n.4 20132013-07-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582013000400001en10.2225/vol16-issue4-fulltext-1
institution Scielo Chile
collection Scielo Chile
language English
topic CpCBF2
gene expression
papaya
temperature stresses
spellingShingle CpCBF2
gene expression
papaya
temperature stresses
Zhu,Xiaoyang
Li,Xueping
Chen,Weixin
Lu,Wangjin
Mao,Jia
Liu,Tongxin
Molecular cloning, characterization and expression analysis of CpCBF2 gene in harvested papaya fruit under temperature stresses
description Background: C-repeat binding factors (CBFs) are transcription factors that regulate the expression of a number of genes related to abiotic stresses. Few CBF genes have been cloned from other plants but no report in papaya. In present study, a full-length cDNA, designated as CpCBF2, was cloned from papaya using in silico cloning and 5’- rapid amplification cDNA ends (RACE). Sequence analysis was performed to understand the gene function. The expression pattern of CpCBF2 in papaya under low (7ºC) and high temperature (35ºC) stresses was examined using real-time quantitative polymerase chain reaction (RT-qPCR). Results: The full-length cDNA of CpCBF2 was 986-bp, with a 762-bp open reading frame (ORF) encoding a 254 amino acid polypeptide. CpCBF2 contained several major highly conserved regions including the CBF-family signature PKRRAGRKKFQETRHP and FADSAW in its amino acid sequence. Phylogenetic tree and three-dimensional structure analysis showed that CpCBF2 had a relatively close relationship with other plant CBFs. Gene expression analysis showed that high temperature stress had little effect on the expression of CpCBF2 but low temperature repressed CpCBF2 expression. Conclusion: The results showed that CpCBF2 may involve in different roles in temperature stress tolerance. This study provided a candidate gene potentially useful for fruit temperature stress tolerance, although its function still needs further confirmation.
author Zhu,Xiaoyang
Li,Xueping
Chen,Weixin
Lu,Wangjin
Mao,Jia
Liu,Tongxin
author_facet Zhu,Xiaoyang
Li,Xueping
Chen,Weixin
Lu,Wangjin
Mao,Jia
Liu,Tongxin
author_sort Zhu,Xiaoyang
title Molecular cloning, characterization and expression analysis of CpCBF2 gene in harvested papaya fruit under temperature stresses
title_short Molecular cloning, characterization and expression analysis of CpCBF2 gene in harvested papaya fruit under temperature stresses
title_full Molecular cloning, characterization and expression analysis of CpCBF2 gene in harvested papaya fruit under temperature stresses
title_fullStr Molecular cloning, characterization and expression analysis of CpCBF2 gene in harvested papaya fruit under temperature stresses
title_full_unstemmed Molecular cloning, characterization and expression analysis of CpCBF2 gene in harvested papaya fruit under temperature stresses
title_sort molecular cloning, characterization and expression analysis of cpcbf2 gene in harvested papaya fruit under temperature stresses
publisher Pontificia Universidad Católica de Valparaíso
publishDate 2013
url http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582013000400001
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AT lixueping molecularcloningcharacterizationandexpressionanalysisofcpcbf2geneinharvestedpapayafruitundertemperaturestresses
AT chenweixin molecularcloningcharacterizationandexpressionanalysisofcpcbf2geneinharvestedpapayafruitundertemperaturestresses
AT luwangjin molecularcloningcharacterizationandexpressionanalysisofcpcbf2geneinharvestedpapayafruitundertemperaturestresses
AT maojia molecularcloningcharacterizationandexpressionanalysisofcpcbf2geneinharvestedpapayafruitundertemperaturestresses
AT liutongxin molecularcloningcharacterizationandexpressionanalysisofcpcbf2geneinharvestedpapayafruitundertemperaturestresses
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