Dataset Information

Identification and Expression Analysis of BURP Domain-Containing Genes in Medicago truncatula.

ABSTRACT: BURP domain-containing proteins belong to a newly identified protein class that is unique to plants and plays an important role in plant development and metabolism. Although systematic characterization of BURP domain-containing proteins have been carried out in many species, such as rice, poplar and maize, little is known about BURP domain-containing proteins in Medicago. In this study, multiple bioinformatics approaches were employed to identify all the members of BURP family genes in Medicago. A complete set of 39 BURP family genes were identified. These genes have diverse structures and were distributed on chromosome 1-8 except 7. According to phylogenetic analysis, these BURP family genes could be classified into eight classes. Motif and exon-intron organization, stress-related cis-elements in promoter regions and microarray analysis of MtBURPs were also performed. Furthermore, transcript level analysis of MtBURP genes in response to drought stress revealed that all of the 39 BURP genes were regulated by drought stress. The results of this study reveal a comprehensive overview of the Medicago BURP gene family and provide the first step toward the selection of MtBURP genes for cloning and functional analysis of the BURP gene family in Medicago truncatula.

SUBMITTER: Li Y

PROVIDER: S-EPMC4829796 | biostudies-literature | 2016

REPOSITORIES: biostudies-literature

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Identification and Expression Analysis of BURP Domain-Containing Genes in Medicago truncatula.

Li Yuan Y Chen Xue X Chen Zhu Z Cai Ronghao R Zhang Hongmei H Xiang Yan Y

Frontiers in plant science 20160413

BURP domain-containing proteins belong to a newly identified protein class that is unique to plants and plays an important role in plant development and metabolism. Although systematic characterization of BURP domain-containing proteins have been carried out in many species, such as rice, poplar and maize, little is known about BURP domain-containing proteins in Medicago. In this study, multiple bioinformatics approaches were employed to identify all the members of BURP family genes in Medicago. ...[more]

PMID: 27148311

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Project description:BackgroundMultiple proteins containing BURP domain have been identified in many different plant species, but not in any other organisms. To date, the molecular function of the BURP domain is still unknown, and no systematic analysis and expression profiling of the gene family in soybean (Glycine max) has been reported.ResultsIn this study, multiple bioinformatics approaches were employed to identify all the members of BURP family genes in soybean. A total of 23 BURP gene types were identified. These genes had diverse structures and were distributed on chromosome 1, 2, 4, 6, 7, 8, 11, 12, 13, 14, and 18. Phylogenetic analysis suggested that these BURP family genes could be classified into 5 subfamilies, and one of which defines a new subfamily, BURPV. Quantitative real-time PCR (qRT-PCR) analysis of transcript levels showed that 15 of the 23 genes had no expression specificity; 7 of them were specifically expressed in some of the tissues; and one of them was not expressed in any of the tissues or organs studied. The results of stress treatments showed that 17 of the 23 identified BURP family genes responded to at least one of the three stress treatments; 6 of them were not influenced by stress treatments even though a stress related cis-element was identified in the promoter region. No stress related cis-elements were found in promoter region of any BURPV member. However, qRT-PCR results indicated that all members from BURPV responded to at least one of the three stress treatments. More significantly, the members from the RD22-like subfamily showed no tissue-specific expression and they all responded to each of the three stress treatments.ConclusionsWe have identified and classified all the BURP domain-containing genes in soybean. Their expression patterns in different tissues and under different stress treatments were detected using qRT-PCR. 15 out of 23 BURP genes in soybean had no tissue-specific expression, while 17 out of them were stress-responsive. The data provided an insight into the evolution of the gene family and suggested that many BURP family genes may be important for plants responding to stress conditions.

Dataset Information

Identification and Expression Analysis of BURP Domain-Containing Genes in Medicago truncatula.

Publications

Identification and Expression Analysis of BURP Domain-Containing Genes in Medicago truncatula.

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