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在非社会洞穴鱼中,代谢转向症增加了类似社交的亲和力
Motoko Iwashita1, Amity Tran1, Marianne Garcia1
1School of Life Sciences, University of Hawai'I at Mānoa, Honolulu, HI, 96822, USA.
BMC biology
|October 15, 2023
概括
非社交的墨西哥四洞穴鱼在食时恢复了社会亲和力,表明新陈代谢转变可以影响社会行为. 体是这种社会行为的关键调节者.
科学领域:
- 进化生物学 进化生物学
- 神经科学是一个神经科学.
- 动物行为 动物行为
背景情况:
- 动物的社会行为很常见,但有些物种进化成为非社会,可能是为了在稀缺的环境中节约能量.
- 将新陈代谢变化与社会亲和关系联系在一起的机制仍然不太清楚.
研究的目的:
- 研究代谢转变对墨西哥四洞穴鱼 (Astyanax mexicanus) 的非社会性和洞穴相关行为的影响.
- 确定症是否影响社会亲和力和其他行为,如重复转身,失眠,游泳和食.
主要方法:
- 给墨西哥四洞穴鱼一个月的素饮食或标准饮食.
- 用外源体补充了性饮食.
- 观察和量化社会亲和和其他行为.
主要成果:
- 与标准饮食相比,基因饮食中的非社会洞穴鱼显著增加了社会亲和力.
- 性饮食减少了重复的转身和游泳行为.
- 体被确定为关键分子,与社会亲和力积极相关.
结论:
- 进化的非社会性并不排除社会行为,如洞穴鱼在症下恢复社会亲和力所证明的那样.
- 代谢变化,特别是症,可以调节社会亲和力,可能将季节性食物的可用性与社交性联系起来.
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