High Water Temperature Induces Jaw Deformity and Bone Morphogenetic Protein (BMP) Gene Expression in Golden Pompano Trachinotus ovatus Larvae

Jing Sun, Zhengyi Fu, Zhenhua Ma, Gang Yu

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

Abstract

Deformity during the early development of golden pompano Trachinotus ovatus has significantly influenced the production capacity of a fish hatchery. However, factors leading to skeletal deformity in this species have never been assessed. In this chapter, the impact of rearing temperature on jaw deformity and BMP gene expression is discussed. Jaw deformity rate of fish larvae increased with the increase of ambient temperature, and the highest malformation rate was recorded at 33 °C. The expressions of the BMP4 and BMP5 genes were positively correlated to the occurrence of jaw malformation. The cultivating water temperature of T. ovatus larvae should be maintained at 26–29 °C. These findings will clarify the role of water temperature in influencing bone deformity in fish larvae and provide a reference point to optimize the environmental condition during the rearing process of golden pompano in hatcheries.

Original languageEnglish
Title of host publicationOntogenetic development of pompano Trachinotus ovatus
EditorsZhenhua Ma, Gang Yu, Jian Guang Qin
Place of PublicationSingapore
PublisherSpringer Nature Singapore
Chapter10
Pages123-133
Number of pages11
ISBN (Electronic)978-981-19-1712-7
ISBN (Print)978-981-19-1711-0, 978-981-19-1714-1
DOIs
Publication statusPublished - 2022
Externally publishedYes

Keywords

  • BMPs
  • Jaw deformity
  • Trachinotus ovatus larvae
  • Water temperature

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