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<p>Neotropical aquatic ecosystems harbor a rich diversity of endemic species, many critically threatened by anthropic activities, such as the aeglid crabs. Hemolymph cell morphology and viability analyses offer diagnostic tools for evaluating the biological condition of species subjected to environmental stressors. This study investigates apoptotic cell ratios in freshwater crabs of the genus <i>Aegla</i>, exposed to anthropic impact. Hemocyte morphology and apoptosis levels were assessed in <i>Aegla</i> spp. collected from streams with different levels of disturbance across Brazil’s southeast region. Water quality parameters were measured alongside concentrations of metals and surfactants. Sites exhibiting the lowest water quality presented significantly elevated apoptotic cell ratios. The integration of hemolymph analyses with environmental assessments revealed potential correlations between biotic and abiotic factors, offering an understanding of the relationship between immune status and ecological conditions in aeglid species. This integrative approach provides a valuable framework for informing conservation strategies for these freshwater organisms.</p>

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Hemocyte Apoptosis as a Biomarker of Environmental Stress in Aeglid Species (Decapoda: Anomura)

  • 期刊论文

  • 发表日期：

    2025年12月22日

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  • Renan A. P. dos Santos,
  • Graziela G. Romagnoli,
  • George S. Yasui,
  • Isabela R. R. Moraes,
  • Mariana V. Capparelli,
  • Gabriel F. B. Rodrigues,
  • Larissa R. C. de Oliveira,
  • Antonio L. Castilho

摘要

Neotropical aquatic ecosystems harbor a rich diversity of endemic species, many critically threatened by anthropic activities, such as the aeglid crabs. Hemolymph cell morphology and viability analyses offer diagnostic tools for evaluating the biological condition of species subjected to environmental stressors. This study investigates apoptotic cell ratios in freshwater crabs of the genus Aegla, exposed to anthropic impact. Hemocyte morphology and apoptosis levels were assessed in Aegla spp. collected from streams with different levels of disturbance across Brazil’s southeast region. Water quality parameters were measured alongside concentrations of metals and surfactants. Sites exhibiting the lowest water quality presented significantly elevated apoptotic cell ratios. The integration of hemolymph analyses with environmental assessments revealed potential correlations between biotic and abiotic factors, offering an understanding of the relationship between immune status and ecological conditions in aeglid species. This integrative approach provides a valuable framework for informing conservation strategies for these freshwater organisms.