
乙烯生物合成
ACC treatment promoted ethylene biosynthesis, advanced climacteric rise and peak appearence, and accelerated the petals wilt of carnation cut flower.
ACC处理可以促进采后香石竹切花的乙烯合成,跃变高峰提前出现,加速花瓣萎蔫。
ACC Synthase and ACC Oxidase are rate-limiting enzyme of ethylene biosynthesis in frond. Both of them are important for regulation of ethylene biosynthesis.
ACC合酶和ACC氧化酶是植物乙烯生物合成的限速酶,它们在调节乙烯生物合成中起关键作用。
The changes of ethylene biosynthesis during cell-expaasion and mature stage (50 to 140 days after full bloom (DAFB), In 'Sturkrimson' apple fruit were determined.
测定了新红星苹果果实细胞膨大期及成熟期(盛花后50-140天)乙烯生物合成的变化,结果表明,盛花后120天之前果实乙烯释放率很低,之后迅速增加。
Cyanide, a co-product of plant hormone ethylene biosynthesis, contributes to the resistance of rice to blast fungus.
植物乙烯生物合成的另外产物-*********,有助于水稻抗稻瘟病菌。
The results showed that the content of superoxide radical and H_2O_2 formed during peach ripening and storage were related to ethylene biosynthesis.
结果表明:在桃果实成熟及采后贮藏过程中产生的************自由基和H_2O_2含量与乙烯释放量呈一定相关性。
It suggests that AOS is one of the up stream regulators in ethylene biosynthesis.
推测AOS是乙烯合成的上游调控因子之一。
乙烯生物合成(ethylene biosynthesis)是植物体内产生乙烯气体的代谢过程。乙烯作为植物激素,调控着种子萌发、果实成熟、器官脱落及逆境响应等关键生理活动。其合成主要通过甲硫氨酸循环(Yang Cycle)完成,具体路径如下:
$$ ce{Met ->[SAMS] SAM ->[ACS] ACC ->[ACO] C2H4 + CO2 + HCN} $$
权威参考文献:
Ethylene Biosynthesis 指植物体内通过特定酶促反应生成乙烯(ethylene)的生物化学过程。以下是详细解释:
乙烯的生物合成主要遵循甲硫氨酸(Methionine)途径,包含以下关键步骤:
如需进一步了解具体植物中的合成机制(如蕨类),可参考研究文献。
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