El papel crucial del contenido de carbohidratos y proteínas en la raíz de Parkinsonia aculeata frente a salinidad y sequia en el semidesierto de Sonora, México
DOI:
https://doi.org/10.46420/TAES.e240014Palabras clave:
estrés abiótico, ecología, fisiología vegetal, mitigación, cambio climáticoResumen
El cambio climático está alterando los patrones de precipitación y temperatura, afectando a los ecosistemas y cultivos, por lo que es vital estudiar a adaptación al estrés abiótico, especialmente en zonas áridas. Parkinsonia aculeata es una especie del semi-desierto de Sonora. Evaluar su respuesta frente al estrés por salinidad y sequía; determinando el impacto de estas condiciones en el contenido de carbohidratos y proteínas totales en las raíces utilizando métodos estándar es el objetivo del presente trabajo. Al evaluar las raíces el contenido de carbohidratos fue mayor en el sitio con salinidad (3.803 mg g-1 ms) comparado con el sitio con sequía (3.696 mg g-1 ms). En contraste, el contenido de proteínas fue mayor en el sitio afectado por sequía (5.632 mg g-1 ms) en relación a la afectación por salinidad (2.132 mg g-1 ms). Estas diferencias indican que las raíces de P. aculeata responden de manera distinta a la salinidad y a la sequía, adaptándose a las condiciones abióticas específicas, por lo que potencialmente pueden ser utilizados como indicadores clave de la adaptación de la planta al estrés abiótico, proporcionando información valiosa para la ecología y conservación de ecosistemas áridos en el contexto del cambio climático.
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