Water temperature effects on embryonic development and GnRH-like expression in kisslip cuttlefish (Sepia lycidas) hinting the potential role of GnRH-like peptide

IF 4.6 Q2 MATERIALS SCIENCE, BIOMATERIALS
Ryosuke Murata , Umina Kubo , Shoma Yoshida , Yuji Mushirobira , Kiyoshi Soyano
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引用次数: 0

Abstract

Gonadotropin-releasing hormone (GnRH)-like peptides are multifunctional neuropeptides involved in cardiac control, early ontogenesis, and reproduction in cephalopods. However, the precise role of GnRH-like peptides in embryonic development and juvenile growth in cephalopods remains unknown. In this study, we showed that GnRH-like peptides are involved in the embryonic development of kisslip cuttlefish (Sepia lycidas). We confirmed that higher water temperatures induced early hatching. Simultaneously, we found that brain GnRH-like peptide gene expression gradually increased with increasing hatching speed. However, the rise in water temperature within a suitable range had no effect on the juvenile sex ratio or early gonadal development. Our results indicate that GnRH-like peptides may play an accelerating role in embryonic development; however, they are not involved in sex determination or early gonadal development in kisslip cuttlefish.

Abstract Image

水温对吻端墨鱼(Sepia lycidas)胚胎发育和 GnRH 样肽表达的影响暗示了 GnRH 样肽的潜在作用。
促性腺激素释放激素(GnRH)样肽是一种多功能神经肽,参与头足类动物的心脏控制、早期个体发育和繁殖。然而,GnRH 样肽在头足类动物胚胎发育和幼体生长中的确切作用仍然未知。在这项研究中,我们发现 GnRH 样肽参与了吻端墨鱼(Sepia lycidas)的胚胎发育。我们证实,较高的水温可诱导提早孵化。同时,我们还发现脑内 GnRH 样肽基因的表达随着孵化速度的增加而逐渐增加。然而,在适当范围内水温的升高对幼体性别比和早期性腺发育没有影响。我们的研究结果表明,GnRH样肽可能在胚胎发育过程中起到加速作用,但并不参与吻端墨鱼的性别决定和早期性腺发育。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
ACS Applied Bio Materials
ACS Applied Bio Materials Chemistry-Chemistry (all)
CiteScore
9.40
自引率
2.10%
发文量
464
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