Effects of background adaptation on the skin color of Malaysian red tilapia
Effects of background adaptation on the skin color of Malaysian red tilapia
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背景适应对马来西亚红罗非鱼肤色的影响
DOI：
10.1016/j.aquaculture.2020.735061
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发表时间：
2020-05
期刊：
影响因子：
4.5
通讯作者：
Dong Zai-jie
中科院分区：
文献类型：
--
作者：
Wang Lan-mei;Luo Ming-kun;Yin Hao-ran;Zhu Wen-bin;Fu Jian-jun;Dong Zai-jie
研究了背景颜色（白色和黑色）变化对马来西亚红罗非鱼表观体色、皮肤L*、a* 和B* 值、血清MSH水平以及黑色素浓集激素（mch）、阿黑皮素原（pomc）、黑皮素1受体（mc1r）和酪氨酸酶（tyr）基因mRNA表达的影响。在黑色（B）或白色（W）背景池中饲养27天后，将其余鱼转移到相同（WW和BB）或相反（WB和BW）背景池中再饲养27天。鱼的表观体色在白色背景下较浅，在黑色背景下较深，并且体色响应于转移到相反的背景色而可逆地变化。相应地，在鱼皮肤中，白色背景组的L* 和B* 值高于黑色背景组，a* 值低于黑色背景组（P<0.05）。脑组织中mch基因mRNA的表达量W组显著高于B组（P<0.05）。而B组的垂体pomc mRNA表达量显著高于W组（P<0.05）。而血清中MSH水平在W组和B组间差异不显著（P> 0.05），在WW组达到峰值（P<0.05）。27日龄鱼背部皮肤中pomcin pituitary、mc1 randtyrin的表达量显著高于54日龄（P<0.05）。W鱼和B鱼皮肤中Themc 1 rmRNA的表达无显著差异（P> .05）。BB鱼的skinmc1rmRNA表达量显著高于WW和BW鱼（P<0.05）。B组红罗非鱼腹侧皮肤中tyrmRNA含量最高。BB组皮肤中tyrmRNA的表达量显著高于BW、WW和WB组（P<0.05）。本研究结果将有助于理解鱼皮肤颜色决定的机理。
The effects of changes in background color, between white and black, on the apparent body color, the skin L*, a* and b* values, the MSH levels in the serum and the melanin-concentrating hormone (mch), proopiomelanocortin (pomc), melanocortin 1 receptor (mc1r) and tyrosinase (tyr) gene mRNA expressions of Malaysia red tilapia were investigated. After rearing in black (B) or white (W) background tanks for 27 days, the rest fishes were transferred to the same (WW and BB) or opposite (WB and BW) background tanks for another 27 days. The apparent body color of fish was paler in white background and darker in black background, and the body color was reversibly variable in response to transfer to the opposite background color. Correspondingly, the L* and b* values were higher and a* values were lower in white background groups than that in black background groups in the skin of fish (P< .05). The expression ofmchgene mRNA in the brain were higher in W fish than in B fish (P< .05). In contrast, thepomcmRNA levels were higher in B group than that in W group in the pituitary of fish (P< .05). However, the MSH levels in the serum of fish were not significantly different between W and B group (P> .05) and peaked in WW group (P< .05). Interestingly, the expressions ofpomcin pituitary,mc1randtyrin dorsal skin of fish on day 27 were higher than that on day 54 (P< .05). Themc1rmRNA expressions in the skin of W and B fish were not significantly different (P> .05). However, BB fish showed significantly higher skinmc1rmRNA expressions than WW and BW fish (P< .05). ThetyrmRNA in the ventral skin of red tilapia was highest in B group. And the expression oftyrmRNA in BB group was higher than that in BW, WW and WB groups in the skin of fish (P< .05). Present results will facilitate understanding the mechanism of fish skin color determination.
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DOI：
10.3153/jfscom.201429
发表时间：
2014-06
期刊：
Journal of Fisheriessciences.com
影响因子：
--
作者：
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通讯作者：
M. Opiyo
影响因子：
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作者：
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影响因子：
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作者：
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通讯作者：
Fu J
DOI：
10.1590/s1516-35982004000400002
发表时间：
2004-08-01
期刊：
Revista Brasileira de Zootecnia
影响因子：
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作者：
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影响因子：
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K. Mizusawa;Yutaka Yamamura;S. Kasagi;J. M. Cerdá-Reverter;A. Takahashi