RARTF: Database and Tools for Complete Sets of Arabidopsis Transcription Factors
1Plant Mutation Exploration Team, Plant Functional Genomics Research Group, RIKEN Genomic Sciences Center (GSC), RIKEN Yokohama Institute 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama 230-0045, Japan
2Genomic Knowledge Base Research Team, Bioinformatics Group, RIKEN Genomic Sciences Center (GSC), RIKEN Yokohama Institute 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama 230-0045, Japan
3Laboratory of Plant Molecular Biology, RIKEN Tsukuba Institute 3-1-1 Koyadai, Tsukuba 305-0074, Japan
4Faculty of Bio-Science, Nagahama Institute of Bio-Science and Technology 1266 Tamura-cho, Nagahama 526-0829, Japan
5CREST, Japan Science and Technology Corporation (JST) Japan
More than 5% of all genes in the Arabidopsis thaliana genome have been assumed to code for transcription factors. However, it has been difficult to accurately identify them. To construct proper sets of transcription factors, we used PSI-BLAST and InterProScan, and also checked several families manually. Especially to determine major Arabidopsis transcription factors (MYB, AP2/EREBP, bHLH, NAC, MADS, bZIP, WRKY), we compared the PSI-BLAST search results with those in recent reports. Finally, we identified 1968 proteins as transcription factors (7.4% of all Arabidopsis genes). We established a database named RARTF (RIKEN Arabidopsis Transcription Factor database, http://rarge.gsc.riken.jp/rartf/) based on the identified transcription factors. In RARTF, we provide information on the functional motif of transcription factors, full-length cDNAs, alternative pre-mRNA splicing events and Ac/Ds transposon-tagged mutants. We also provide expression profiles of 400 transcription factor genes in six experiments. We will report expression profiles of all transcription factor genes in various plant tissues under various stress and hormone conditions in the near future.
Key words: Arabidopsis thaliana; transcription factor; database; full-length cDNA; expression profile
*To whom correspondence should be addressed. Tel. +81-749-64-8100, Fax. +81-749-64-8126, E-mail: k_iida{at}nagahama-i-bio-ac.jp
6Present address: RIKEN Plant Science Center (PSC), RIKEN Yokohama Institute, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama 230-0045, Japan
Communicated by Satoshi Tabata
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