In Silico Conserved Motif and Promoter Analysis of the MIKCc-type MADS-Box Genes in Tomato

Chen Hongyu; Chen Xiuling; Li Jingfu; Wang Aoxue

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In Silico Conserved Motif and Promoter Analysis of the MIKCc-type MADS-Box Genes in Tomato

Chen Hongyu 1,Chen Xiuling 2,Li Jingfu 2,Wang Aoxue 3 *

1.College of Life Science, Northeast Agricultural University, Harbin 150030

2.College of Horticulture, Northeast Agricultural University

3.College of Life Science, Northeast Agricultural University

*Correspondence author

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Funding: The key scientific and technical research Foundatio（No.No. 211043）, The Education Department of Heilongjiang Province in New Century Excellent Talent（No.No. 1251-NCET-004）, This work was supported by the Ministry of Education College Dr. Special Foundation（No.No. 20092325110001）

Opened online:16 January 2013

Accepted by: none

Citation: Chen Hongyu,Chen Xiuling,Li Jingfu.In Silico Conserved Motif and Promoter Analysis of the MIKCc-type MADS-Box Genes in Tomato[OL]. [16 January 2013] http://en.paper.edu.cn/en_releasepaper/content/4512884

In plants, MADS-box genes have been shown to be involved in all aspects of plant development, especially in flower development in angiosperms such as Arabidopsis. To understand the diversity in regulation present in these subfamilies, we investigated 42 MIKCc-type MADS-box genes from the genome of tomato, including 7 genes that have not previously been characterized. Using these sequences, we have performed a comparative analysis of tomato MIKCc-type MADS-box genes, including the description of the protein conserved motif, promoter motif and genome localization of each member. Our results suggest that many genes have diverged in their sequences after duplication and/or speciation. They also suggest that these genes may have evolved through segmental duplication events produced by polyploidy events in the past. Overall, the comparative analysis of the tomato MIKCc-type MADS-box genes will be expected to result in significant progress in investigating the regulation mechanism of MADS-box genes in higher plants.

Keywords:molecular biology; MADS-box genes; tomato

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