ß-COP 突变体对氯离子表现出特定的高敏感性。
ß-COP mutants show specific high sensitivity to chloride ions.
机构信息
Instituto Universitario de Biotecnología y Biomedicina (BIOTECMED) , Valencia, Spain.
Departamento de Bioquímica y Biología Molecular, Universitat de Valencia.
出版信息
Plant Signal Behav. 2021 Mar 4;16(3):1858629. doi: 10.1080/15592324.2020.1858629. Epub 2021 Jan 12.
Coat Protein I (COPI) consists of a complex (coatomer) formed by seven subunits (α-, β-, β'-, γ-, δ-, ε-, and ζ-COP) that is recruited to Golgi membranes to form vesicles that shuttle from the Golgi apparatus to the ER and between Golgi stacks. Recently, it has been described that loss of function mutants of the two Arabidopsis β-COP genes, β1-COP and β2-COP, showed increased sensitivity to salt stress (NaCl). Using a mixture of either Na or Cl salts, we have now found that β-COP mutants are specifically and highly sensitive to chloride ions.
衣被蛋白 I（COPI）由七个亚基（α-、β-、β'-、γ-、δ-、ε-和 ζ-COP）组成的复合物（衣被体）组成，它被招募到高尔基体膜上形成小泡，从小泡从高尔基体到内质网和高尔基体堆叠之间运输。最近，已经描述了拟南芥的两个β-COP 基因（β1-COP 和 β2-COP）的功能丧失突变体显示出对盐胁迫（NaCl）的敏感性增加。使用 Na 或 Cl 盐的混合物，我们现在发现β-COP 突变体对氯离子有特异性和高度敏感性。
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