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Wheat is one of the most critical food crops, and the identification and functional analysis of its key genes are crucial for wheat variety improvement and molecular breeding. The MYB transcription factor family represents one of the largest groups of transcription factor families in plants, playing a pivotal role in plant growth and development, metabolism, and response to both biotic and abiotic stresses. The study of MYB transcription factors has become a research hotspot in wheat functional genomics. However, compared to model plants such as Arabidopsis and rice, research on wheat MYB transcription factors remains relatively limited. With the advancement of high-throughput sequencing technology and improvement of wheat genome data, a total of 719 MYB transcription factors have been identified in the wheat genome, with the R2R3-type MYBs being the most predominant. Previous studies have demonstrated that members of the MYB transcription factor family play significant roles throughout different stages of wheat growth and development, regulating the expression of stress-responsive genes under drought, salinity, nutrient deficiency, and pathogen or pest attacks. Most MYB genes act as positive regulators of stress resistance, while some display negative regulatory effects. These findings suggest that MYB family members contribute to complex regulatory patterns in wheat's stress adaptation mechanisms. This review summarizes recent progress in the identification, classification, and biological functions of wheat MYB transcription factors. Additionally, we suggested that it is necessary to improve the evolutionary classification of MYB family in wheat, explore the target genes regulated by MYB, and identify their function and mechanism in order to apply them in wheat molecular breeding.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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