EFFECT OF METHYL FARNESOATE AND FARNESOIC ACID DURING 5TH ZOEA AND MEGALOPA METAMORPHOSIS IN THE MUD CRAB SCYLLA PARAMAMOSAIN ESTAMPADOR, 1950 (DECAPODA, BRACHYURA, PORTUNIDAE)

文献类型： 外文期刊

第一作者： Zhao, Ming

作者： Zhao, Ming;Ma, Lingbo;Zhao, Ming;Zhang, Fengying;Wang, Wei;Liu, Zhiqiang;Ma, Lingbo

作者机构：

关键词： Metamorphosis; methyl farnesoate; farnesoic acid; Scylla paramamosain

期刊名称：CRUSTACEANA （ 影响因子：0.529； 五年影响因子：0.65 ）

ISSN： 0011-216X

年卷期： 2021 年 94 卷 7 期

页码：

收录情况： SCI

摘要： The mud crab Scylla paramamosain is one of the economically important aquaculture species in China. The larval development of the mud crab is characterized by two significant morphological changes, from the 5th zoea (Z5) to the megalopa (M) stage and from the M to the first juvenile crab (C1) stage. In this study, we found that methyl farnesoate (MF) could prohibit the Z5 to M metamorphosis in a concentration-dependent manner, and that a concentration of 10 mu M MF could completely prohibit the Z5 metamorphosis. Farnesoic acid (FA) could also prohibit the Z5 metamorphosis, but its effects seemed to be concentration-independent. In addition, MF could delay rather than prohibit the M to C1 metamorphosis. while FA had no effect on the M to C1 metamorphosis at all. To summarize, it is hypothesized that either absence of MF and FA, or at least very low levels of these substances, might be necessary for a successful Z5 to M metamorphosis.

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