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Hipoxia y el microbioma: Significado y aplicación para estudios ecotoxicológicos
Yoseop Lee1, Qi Liu2, Yunfei Sun2
1Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, South Korea.
Marine pollution bulletin
|December 25, 2025
Resumen
La baja disponibilidad de oxígeno (hipoxia) altera las comunidades microbianas, afectando la degradación de contaminantes y el ciclo de metales. Comprender estos cambios es crucial para predecir cambios ambientales y evaluar riesgos en ecosistemas contaminados.
Área de la Ciencia:
- Microbiología ambiental
- Ecotoxicología
- Ecología microbiana
Sus antecedentes:
- La hipoxia es un problema ambiental creciente que afecta a las comunidades microbianas.
- Los cambios microbianos bajo hipoxia influyen en el ciclo de nutrientes y la transformación de contaminantes.
- La depleción de oxígeno impacta procesos ecotoxicológicos como la biodisponibilidad de metales y las emisiones de gases de efecto invernadero.
Objetivo del estudio:
- Sintetizar el conocimiento actual sobre las interacciones hipoxia-microbioma.
- Destacar las implicaciones ecotoxicológicas de los cambios microbianos impulsados por la hipoxia.
- Discutir las aplicaciones en la evaluación de riesgos ambientales.
Principales métodos:
- Revisión de literatura que sintetiza hallazgos recientes.
- Enfoque en microbiomas ambientales y asociados al huésped.
- Integración de datos multiómicos y metagenómicos.
Principales resultados:
- La hipoxia favorece a los microbios anaerobios involucrados en ciclos biogeoquímicos clave.
- Los cambios microbianos modulan la degradación de contaminantes y la desintoxicación de metales.
- La metagenómica revela vías de adaptación microbiana bajo estrés hipóxico.
Conclusiones:
- La hipoxia altera significativamente las comunidades microbianas con consecuencias ecotoxicológicas.
- Se necesita más investigación para comprender los impactos ecológicos a largo plazo.
- Los enfoques basados en el microbioma pueden ayudar en la evaluación de riesgos ambientales.
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