Abstract
Irrigation Stress to Wheat at Sensitive Growth Stages: Tri-trophic Effects and Implications for Aphid Control
Highlights
This study aimed to investigate the genetic molecular mechanism of body color differentiation and rtic variation of red tilapia, selecting the main genes related to the variation and cultivating the pure and stable red tilapia variety
Effect of temperature on apparent body color of red tilapia When the temperature dropped to 15 °C, body color of the PR and Florida red tilapia (FR) with the various body weight began to change; body color of the PR and FR changed over large areas when the temperature was decreased to 11 °C, and the discoloration ratio is all over 90%
We employed the transcriptome analysis to investigate the different gene expression of fin tissues of white red tilapia (WR), indicating that the color change of red tilapia at low temperature arose from the co-regulation of multiple genes
Summary
This study aimed to investigate the genetic molecular mechanism of body color differentiation and rtic variation of red tilapia, selecting the main genes related to the variation and cultivating the pure and stable red tilapia variety. The effects of different temperature treatments on body color and survival of Guam red tilapia, pearl white red tilapia and Florida red tilapia were compared. Comparative transcriptome analysis was used to screen the candidate genes linked to the skin color differentiation of pearl white red tilapia. The body color of Guam red tilapia changed when the water temperature dropped. The color variation of red tilapia at low temperature may result from the change of tyrosine activity in the body. The in-depth study of its regulatory mechanism contributes to understanding the genetic mechanism of red tilapia and improving the body shape. YT and XL designed the study, interpreted the results, wrote and revised the manuscript. HM helped in writing and revising the manuscript
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