There are indications that pleiotropic planthormones may actually function by activating the enzymes that release these other, more specific chemical messengers from the cell wall.
The pleiotropy of the five well-studied planthormones is somewhat analogous to that of certain hormones in animals.
这五种已得到充分研究的植物激素的多效性在某种程度上类似于动物中某些激素的多效性。
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Unlike the oligosaccharins, the five well-known planthormones are pleiotropic rather than specific; that is, each has more than one effect on the growth and development of plants.