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新疆生地所在齿肋赤藓耐冷分子机制研究中取得进展
研究结果表明,低温胁迫导致齿肋赤藓中糖和能量代谢、光合作用、脂质代谢和抗氧化活性通路发生显著改变。转录因子富集分析显示,与CBFs共同起源的A-5类DREB基因是齿肋赤藓低温胁迫响应的关键基因家族,其中 ScDREBA5 基因在冻胁迫中上调表达约1000倍,可能是齿肋赤藓抗冷的关键基因靶点。研究团队进一步在齿肋赤藓原位瞬时过表达、抑制表达,同时在小立碗藓中稳定表达 ScDREBA5 基因,发现 ...
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