
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處理可以促進采後香石竹切花的乙烯合成,躍變高峰提前出現,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,它們在調節乙烯生物合成中起關鍵作用。
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.
測定了新紅星蘋果果實細胞膨大期及成熟期(盛花後50-140天)乙烯生物合成的變化,結果表明,盛花後120天之前果實乙烯釋放率很低,之後迅速增加。
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産物-*********,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.
結果表明:在桃果實成熟及采後貯藏過程中産生的************自由基和H_2O_2含量與乙烯釋放量呈一定相關性。
It suggests that AOS is one of the up stream regulators in ethylene biosynthesis.
推測AOS是乙烯合成的上遊調控因子之一。
乙烯生物合成(ethylene biosynthesis)是植物體内産生乙烯氣體的代謝過程。乙烯作為植物激素,調控着種子萌發、果實成熟、器官脫落及逆境響應等關鍵生理活動。其合成主要通過甲硫氨酸循環(Yang Cycle)完成,具體路徑如下:
$$ ce{Met ->[SAMS] SAM ->[ACS] ACC ->[ACO] C2H4 + CO2 + HCN} $$
權威參考文獻:
Ethylene Biosynthesis 指植物體内通過特定酶促反應生成乙烯(ethylene)的生物化學過程。以下是詳細解釋:
乙烯的生物合成主要遵循甲硫氨酸(Methionine)途徑,包含以下關鍵步驟:
如需進一步了解具體植物中的合成機制(如蕨類),可參考研究文獻。
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