Cement glands as a second sexual characteristic can help to evaluate the ovarian development and reproductive spawning period of the female crayfish Procambarus clarkii

文献类型： 外文期刊

第一作者： Li, Jinghao

作者： Li, Jinghao;Qian, Chen;Cheng, Yongxu;Li, Jiayao;Li, Jinghao;Qian, Chen;Cheng, Yongxu;Li, Jiayao;Li, Jinghao;Qian, Chen;Cheng, Yongxu;Li, Jiayao;Zhou, Wenzong;Xi, Yewen

作者机构：

关键词： Cement glands; Red swamp crayfish; Secondary sexual characteristic; Mating behavior; Gonadal index; Proteome profiles

期刊名称：AQUACULTURE REPORTS （ 影响因子：3.7； 五年影响因子：3.8 ）

ISSN： 2352-5134

年卷期： 2024 年 35 卷

页码：

收录情况： SCI

摘要： Procambarus clarkii is an important economic species in freshwater culture. The secondary sexual characteristics of male crayfish have been studied, but little is known about female crayfish. In this study, it is found that cement glands appeared in the abdominal pleopods and telson of female crayfish during spawning period. The relationship between the appearance of cement glands and the ovarian development, mating behavior and spawning was studied, the histological change, proteome profiles of cement glands before and spawning were compared. The results are as follows: Cement glands was also a secondary characteristic of female crayfish. It had no significant promotion on mating behavior. Compared to crayfish without cement glands, female crayfish with cement glands had better developed ovary, manifested in higher gonadal index and oocyte diameter and significant lower VgR gene expression. The cement glands disappeared after the female crayfish spawned. The results of proteome profiles showed that about 312 proteins were identified in cement glands. These proteins possibly participate in maintaining the osmotic pressure of sperm and eggs, protecting and promoting the combination of fertilized eggs, and promoting the adhesion of eggs to the abdomen pleopods during the spawning period. Based on the characteristic of cement glands, it is inferred that the function of cement glands is mainly to prepare for spawning and egg hatching of female crayfish. The cement glands can be used as an indicator to help to evaluate the ovarian development and spawning period of female P.clarkii.

分类号：

  • 相关文献
作者其他论文 更多>>

微信小程序