Taxifolin Modulates Transcriptomic Response to Heat Stress in Rainbow Trout, <i>Oncorhynchus mykiss</i>
2022
Irina V. Sukhovskaya | Nadezhda P. Kantserova | Liudmila A. Lysenko | Alexey A. Morozov
Taxifolin is a natural flavonoid known for its antioxidant, anti-inflammatory, and antiproliferative effects on animals. In this work, we have studied the effect of this compound on rainbow trout, <i>Oncorhynchus mykiss</i>, a major object of aquaculture, under slowly increasing ambient temperature and <i>Gyrodactylus</i> flatworm infection. Transcriptomic profiling of liver samples performed by using the Illumina HiSeq 2500 sequencing platform shows that a combined taxifolin/heat treatment, unlike heat treatment alone, downregulates the production of isopentenyl diphosphate, likely affecting the production of cholesterol and other sterols. Taxifolin treatment also modulates multiple apoptosis regulators and affects the expression of HSPs in response to increasing temperature. On the other hand, the expression of antioxidant enzymes in response to heat is not significantly affected by taxifolin. As for the <i>Gyrodactylus</i> infection, the parasite load is not affected by taxifolin treatment, although it was lower in the high-temperature group. Parasite load also did not induce a statistically significant transcriptomic response within the no heat/no taxifolin group.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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