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| Genome-wide Analysis of Cucumber RAV Gene Family |
| JIANG Lun-wei1，HU Li-fang2，YUAN Yong-cheng3，LIU Shi-qiang1* |
| 1School of Sciences，Jiangxi Agricultural University，Nanchang 330045，Jiangxi，China|2School of Agriculture，Jiangxi Agricultural University，Nanchang 330045，Jiangxi，China|3Jiangxi Industry Polytechnic College，Nanchang 330039，Jiangxi，China |
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Abstract The RAV gene family belonging to AP2/EREBP transcription factor plays an important role in plant growth and development．Based on the published database of cucumber（Cucumis sativus L.）genome CuGI，found 4 RAV genes in cucumber genome．These 4 RAV proteins sequence have a complete AP2 and B3 domain．All RAV proteins coming from cucumber，arabidopsis，rice and grapevine were multi-sequence aligned．The results indicated that this gene family were highly conservative. Phylogenesis tree combined with motif analysis，and discovered that the motif of each RAV family within phylogenesis tree subtribe demonstrate structural similarities．The result of semi-quantitative RT-PCR analysis revealed that 4 cucumber RAV genes were expressed in multiple plant tissues．
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Received: 29 February 2012
Published: 19 April 2012
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