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Auxin and cytoskeletal organization in algae.

机译:藻类中的生长素和细胞骨架组织。

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Hormones affect growth and alter the cytoskeleton suggesting that hormones and the cytoskeleton interact with each other. The cytoskeleton of ancestral algae such as Chara showed similar sensitivity to auxin as higher plants, even in generative structures but the sensitivity differed between IAA and alpha-NAA and presumably other auxins. The ability of cells to elongate depends on microtubule organization during the transition from disorganized to perpendicular to longitudinal organization of the cytoskeleton. Because of the many functions of the cytoskeleton it is possible that its composition is influenced by selective gene expression and adaptation to growth regulators. Co-localization of microtubules and F-actin change at a high temporal and spatial scale. High resolution measurements of mRNA expression indicate rapid turnover that may affect the composition of the cytoskeleton.
机译:激素影响生长并改变细胞骨架,表明激素和细胞骨架相互影响。祖先藻类(如Chara)的细胞骨架对植物生长素的敏感性与高等植物相似,即使在生成结构上也是如此,但IAA和α-NAA以及其他植物生长素的敏感性不同。细胞伸长的能力取决于细胞骨架从无组织到垂直于纵向组织的过渡过程中的微管组织。由于细胞骨架的许多功能,其组成可能受选择性基因表达和对生长调节剂的适应性影响。微管和F-肌动蛋白的共定位在高的时空范围内变化。 mRNA表达的高分辨率测量表明快速更新可能会影响细胞骨架的组成。

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