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季节性影响了Pontastacus leptodactylus在Aphanomyces astaci流行病爆发期间的关键生理路径

Maria V Alvanou¹, Konstantinos Feidantsis², Ioannis Georgoulis³

¹Department of Agriculture, School of Agricultural Sciences, University of Western Macedonia, 53100, Florina, Greece.

Scientific reports

|November 29, 2025

概括

季节性压力会影响欧洲淡水 (Pontastacus leptodactylus) 的生理,并增加对瘟疫的易感性. 冬季被认为是最佳的补给期,因为减轻了生理压力.

科学领域:

水生生态学水生生态学
动物生理学动物生理学
疾病生态学疾病生态学

背景情况:

欧洲淡水 (Pontastacus leptodactylus) 在生态和商业上至关重要,但容易受到瘟疫的影响.
对生理学和福利的季节性影响仍然不太清楚.
了解这些因素对于有效的保护和补给战略至关重要.

研究的目的:

研究与环境因素和瘟疫有关的P. leptodactylus生理学的季节性影响.
确定在温带地区补充欧洲鱼种群的最佳时期.
分析分子应激反应,包括热冲击蛋白,缺氧诱导因素和亡标志物.

主要方法:

对hsp70,hsp90,hif-1α,ubiquitin 和 gapdh 的量化mRNA表达.
测量了Hsp70,Hsp90,氧化Hif-1α,乌比奎丁结合物,裂开的体,Bax/Bcl-2比率和IL-6的蛋白质水平.
与非生物因素和瘟疫爆发相关的生理反应.

主要成果:

寒冷压力诱导热冲击反应和亡,增加IL-6表明潜在的Aphanomyces astaci感染.
温暖的月份显示Hif-1α升高,表明与氧气降低和度增加相关的缺氧压力.
在温带生态系统中,鱼季节性地面临寒冷和热量压力.

结论:

瘟疫疫情可能会随着气温的上升而恶化.
由于生理压力较低,冬季是补给P. leptodactylus最合适的时期.
季节性环境变化对欧洲淡水的健康和生存有重大影响.

关键词:

生物化学指标生物化学指标鱼瘟疫是鱼瘟疫的一种疾病.淡水类的淡水.基因表达基因表达补给是为了重新补给.水的模具模具水的模具

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