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A mini review on exposure of microplastic to Drosophila melanogaster causing sex-specific, transgenerational, locomotory, physiological and developmental effect
Summary
This mini-review synthesized studies on how polystyrene and PET microplastics affect Drosophila melanogaster across multiple biological levels including sex-specific responses, physiology, behavior, development, and transgenerational effects. Male Drosophila showed greater sensitivity to microplastics with higher mortality, and effects were both concentration- and size-dependent.
This comprehensive study focused on the diverse impacts of microplastics, specifically polystyrene and polyethylene terephthalate (PET) particles, on the model organism Drosophila melanogaster. The subsequent studies explore the effects of microplastics on Drosophila at different levels: sex-specific, physiological, behavioral, developmental, and transgenerational. Notably, the studies reveal sex-specific responses, concentration-dependent toxic effects, and size-dependent impacts of microplastics. Male Drosophila are more sensitive to microplastics, experiencing higher mortality rates and physiological alterations. The studies extend beyond immediate effects, investigating transgenerational impacts on fertility, sex ratio, and life cycles. Further the toxicological profile of PET microplastics, reveal adverse effects on climbing, jumping, crawling activities, as well as emergence rates, survival, and reproductive behaviors of the insect. These discoveries highlight the complexity of microplastic effects. The concentration-dependent and sex-specific responses highlight potential ecological risks and call for further research to understand the broader implications of microplastic exposure on both organisms and ecosystems.