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Reference Detail
| Reference | ||
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| Author | Liang M., Yin X., Lin Z., Zheng Q., Liu G., Zhao G. | |
| Title | Identification and characterization of NF-Y transcription factor families in Canola (Brassica napus L.). | |
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Abstract: NF-Y (NUCLEAR FACTOR-Y), a heterotrimeric transcription factor, is composed of NF-YA, NF-YB, and NF-YC proteins in yeast, animal, and plant systems. In plants, each of the NF-YA/B/C subunit forms a multi-member family. NF-Ys are key regulators with important roles in many physiological processes, such as drought tolerance, flowering time, and seed development. In this study, we identified, annotated, and further characterized 14 NF-YA, 14 NF-YB, and 5 NF-YC proteins in Brassica napus (canola). Phylogenetic analysis revealed that the NF-YA/B/C subunits were more closely clustered with the Arabidopsis thaliana (Arabidopsis) homologs than with rice OsHAP2/3/5 subunits. Analyses of the conserved domain indicated that the BnNF-YA/B/C subfamilies, respectively, shared the same conserved domains with those in other organisms, including Homo sapiens, Saccharomyces cerevisiae, Arabidopsis, and Oryza sativa (rice). An examination of exon/intron structures revealed that most gene structures of BnNF-Y were similar to their homologs in Arabidopsis, a model dicot plant, but different from those in the model monocot plant rice, suggesting that plant NF-Ys diverged before monocot and dicot plants differentiated. Spatial-tempo expression patterns, as determined by qRT-PCR, showed that most BnNF-Ys were widely expressed in different tissues throughout the canola life cycle and that several closely related BnNF-Y subunits had similar expression profiles. Based on these findings, we predict that BnNF-Y proteins have functions that are conserved in the homologous proteins in other plants. This study provides the first extensive evaluation of the BnNF-Y family, and provides a useful foundation for dissecting the functions of BnNF-Y. |
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| Journal | Planta | |
| Country | China | |
| Volume | 239(1) | |
| Pages | 107-26 | |
| Year | 2014 | |
| PubMed ID | 24097262 | |
| PubMed Central ID | - | |
| DOI | 10.1007/s00425-013-1964-3 | |
| URL | - | |
| Relation | ||
| Gene | HAP5A HAP5B HAP5C HAP5D HAP5E HAP5F HAP5G | |
| INSD | - | |
| Strain | Wild Core Collection | - |
| Induced Mutation Lines(NIG Collection) | - | |
| Sterile Seed Strain | - | |
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Lethal Embryo Mutantion Strain |
- | |
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Stages in Each Organ - Muant Lines (Gene) |
- | |
| Cultivated Varieties(NIG Collection) | - | |
| Stages in Each Organ | - | |
