The Methionine Cycle in Relation to Ethylene Biosynthesis

(Fang and Hoffman, 1984)

Note: "Environmental stresses (physical, chemical and biological) and hormonal signals, such as auxin, cytokinin, and even ethylene itself, stimulate synthesis of the ACC synthase [the enzyme which catalyzes the rate limiting step in ethylene biosynthesis], thereby providing a means for autoregulation of its production."(Ecker, 1995)

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