Effect of temperature on the early sexual development of tambaqui Colossoma macropomum

Reis, Vanessa Ribeiro; Paixão, Rômulo Veiga; de Morais, Iraní da Silva; Bandeira, Izabel Correa; Val, Adalberto Luís; da Silva, Gilvan Ferreira; O’Sullivan, Fernanda Loureiro de Almeida

doi:10.1007/s10499-023-01238-w

Aquacult Int

2023

DOI: 10.1007/s10499-023-01238-w

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Effect of temperature on the early sexual development of tambaqui Colossoma macropomum

Vanessa Ribeiro Reis,

Rômulo Veiga Paixão,

Iraní da Silva de Morais

et al.

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2024

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Cited by 1 publication

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The regulation of ovarian degeneration in Pampus argenteus by heat shock protein genes under low‐temperature stress

Qin,

Li,

Ding

et al. 2024

Journal of Fish Biology

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Temperature is a crucial environmental factor that significantly impacts the growth, development, metabolism, and physiological functions of fish. To study the effects of low‐temperature on the gonadal development of silver pomfret (Pampus argenteus), a cold period by gradually lowering the water temperature from 18°C to 9°C was simulated. The results showed that hsp70, hsp90a, and hsp90b were widely expressed in the tissues of P. argenteus, with hsp70 primarily expressed in the pituitary, hsp90a and hsp90b mainly expressed in the lateral. The hsps were involved in the development process of P. argenteus from 1 to 27 days post‐hatching (dph). The expression levels of hsp70 and hsp90b were highest at 17 dph, while the levels of hsp90a were at 25 dph. Under the condition of 9°C, regressed oocyte were observed in the ovaries, the oocyte diameter significantly decreased, and the ovaries degenerated 100% after low‐temperature stress. The expression levels of hsps in the ovaries were significantly higher than in the control group, while the expression levels in the testes were significantly lower than in the control group. Taken together, hsps may regulate the ovarian degeneration under low‐temperature stress. Male fish rapidly completed meiosis and maintained the testes in the prophase of meiosis to resist the low‐temperature stress.

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The regulation of ovarian degeneration in Pampus argenteus by heat shock protein genes under low‐temperature stress

Qin,

Li,

Ding

et al. 2024

Journal of Fish Biology

View full text Add to dashboard Cite

show abstract

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Effect of temperature on the early sexual development of tambaqui Colossoma macropomum

Cited by 1 publication

References 60 publications

The regulation of ovarian degeneration in Pampus argenteus by heat shock protein genes under low‐temperature stress

The regulation of ovarian degeneration in Pampus argenteus by heat shock protein genes under low‐temperature stress

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