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首页> 外文期刊>In Vitro Cellular and Development Biology. Plant: Journal of the Tissue Culture Association >Thidiazuron: a potent regulator of in vitro plant morphogenesis.
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Thidiazuron: a potent regulator of in vitro plant morphogenesis.

机译：噻二唑酮：体外植物形态发生的有效调节剂。

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摘要

Thidiazuron is a substituted phenylurea compound which has emerged as a highly efficacious regulator of morphogenesis in the tissue culture of many plant species. Application of thidiazuron induces a diverse array of cultural responses, ranging fromcallus induction to somatic embryo formation. Thidiazuron exhibits the unique property of mimicking both auxin and cytokinin effects on growth and differentiation of cultured explants, although structurally it is different from either auxins or purine-based cytokinins. A number of physiological and biochemical events in cells are likely to be influenced by thidiazuron, but these may or may not be directly related to the induction of morphogenic responses, and hence, the mode of action of thidiazuron isunknown. However, recent investigations of the morphogenic events initiated by thidiazuron indicate that thidiazuron may act through modulation of endogenous plant growth regulators, either directly or as a result of induced stress. Other possibilitiesinclude modification of cell membranes, energy levels, nutrient uptake, or nutrient assimilation. In this review, several of these possibilities are presented and discussed.
机译：噻二唑是一种取代的苯基脲化合物，已在许多植物物种的组织培养中作为形态发生的高效调节剂而出现。噻地隆的应用诱导了各种各样的文化反应，从愈伤组织的诱导到体细胞胚的形成。噻二唑酮具有模仿生长素和细胞分裂素对培养外植体生长和分化的独特特性，尽管其结构不同于生长素或基于嘌呤的细胞分裂素。噻唑隆可能会影响细胞中的许多生理和生化事件，但是这些可能或可能与形态发生反应的诱导没有直接关系，因此，噻唑隆的作用方式未知。但是，对噻地隆引发的形态发生事件的最新研究表明，噻地隆可能直接或由于诱导胁迫而通过调节内源性植物生长调节剂起作用。其他可能性包括细胞膜的修饰，能量水平，养分吸收或养分吸收。在这篇综述中，提出并讨论了其中几种可能性。

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