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| 著者 | Li X, Duan X, Jiang H, Sun Y, Tang Y, Yuan Z, Guo J, Liang W, Chen L, Yin J, Ma H, Wang J, Zhang D. | |
| タイトル | Genome-wide analysis of basic/helix-loop-helix transcription factor family in rice and Arabidopsis. | |
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Abstract: The basic/helix-loop-helix (bHLH) transcription factors and their homologs form a large family in plant and animal genomes. They are known to play important roles in the specification of tissue types in animals. On the other hand, few plant bHLH proteins have been studied functionally. Recent completion of whole genome sequences of model plants Arabidopsis (Arabidopsis thaliana) and rice (Oryza sativa) allows genome-wide analysis and comparison of the bHLH family in flowering plants. We have identified 167 bHLH genes in the rice genome, and their phylogenetic analysis indicates that they form well-supported clades, which are defined as subfamilies. In addition, sequence analysis of potential DNA-binding activity, the sequence motifs outside the bHLH domain, and the conservation of intron/exon structural patterns further support the evolutionary relationships among these proteins. The genome distribution of rice bHLH genes strongly supports the hypothesis that genome-wide and tandem duplication contributed to the expansion of the bHLH gene family, consistent with the birth-and-death theory of gene family evolution. Bioinformatics analysis suggests that rice bHLH proteins can potentially participate in a variety of combinatorial interactions, endowing them with the capacity to regulate a multitude of transcriptional programs. In addition, similar expression patterns suggest functional conservation between some rice bHLH genes and their close Arabidopsis homologs. |
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| 掲載誌 | Plant Physiol. | |
| Country | ||
| 刊数 | 141(4) | |
| ページ | 1167-84 | |
| 発刊年 | 2006 | |
| PubMed ID | 16896230 | |
| PubMed Central ID | - | |
| DOI | 10.1104/pp.106.080580 | |
| URL | - | |
| 関連情報 | ||
| 遺伝子 | BHLH120 AN1 B2 BHLH081 BHLH083 BHLH1 BHLH10 BHLH101 BHLH116 BHLH117 BHLH127 BHLH133 BHLH14 BHLH142 BHLH143 BHLH144 BHLH148 BHLH2 BHLH26 BHLH27 BHLH31 BHLH34 BHLH38 BHLH44 BHLH48 BHLH51 BHLH53 BHLH54 BHLH55 BHLH57 BHLH58 BHLH59 BHLH6 BHLH60 BHLH61 BHLH63 BHLH67 BHLH68 BHLH7 BHLH77 BHLH80 BHLH9 BHLH97 BHLH98 BLR1 DPF EAT1 FIT GN8.1 ICE2 ILI1 ILI3 IRO2 LAX1 LGS1 NSP1 PA PIL11 PIL12 PIL13 PIL14 PIL16 PS PSH1 PTF1 RAI1 RC RHL1 SD6 SGI1 TDR UDT1 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ | |
| INSD | - | |
| 系統 |
野生イネ コアコレクション |
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| 突然変異系統(遺伝研 Collection) | - | |
| 種子不稔系統 | - | |
| 致死変異体系統 | - | |
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組織別発生段階 - 突然変異系統(遺伝子) |
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| 栽培イネ品種(遺伝研 Collection) | - | |
| 組織別発生段階 | - | |
