Publications by authors named "Hong-Rui Luo"

Human activities can cause zinc (Zn) contamination of aquatic environments. Zn is an essential trace metal, but effects of environmentally relevant Zn exposure on the brain-intestine axis in fish are poorly understood. Here, six-month-old female zebrafish (Danio rerio) were exposed to environmentally relevant Zn concentrations for six weeks.

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Zinc is an essential nutrient for life, but over-accumulation can result in toxicity. Anthropogenic activities can increase zinc concentrations in aquatic environments (e.g.

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Article Synopsis
  • Anthropogenic activities introduce zinc into water bodies, and its impact on fish behavior, particularly after long-term low-concentration exposure, remains uncertain.
  • Male zebrafish exposed to 1.0 or 1.5 ppm zinc chloride exhibited anxiety-like behaviors and changes in social preferences; analysis showed that these effects were concentration-specific.
  • The study found that zinc exposure disrupted immune functions and neurotransmitter systems in the brain and intestines, suggesting environmental zinc levels can significantly alter fish behavior.
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