AUX1 acts upstream of PIN2 in regulating root gravitropism.
[No authors listed]
摘要
AUX1 and PIN2 auxin transporter are required for the asymmetric distribution of auxin for root gravitropic response. However, the relationship between AUX1 and PIN2 in root gravitropism is unclear. Here, we report that aux1-T mutant show stronger defects in root gravitropism than pin2-T, and aux1-T pin2-T double mutants display similar agravitropic phenotype to aux1-T. The gravity-induced asymmetric distribution of auxin responses could not be established in pin2-T, aux1-T and aux1-T pin2-T mutants; whereas aux1-T pin2-T double mutants showed similar auxin responses to aux1-T mutant. These findings support AUX1 plays a role in root gravitropism upstream of PIN2.
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基因功能
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原始数据
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文献解读
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