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Overexpression of miR408 influences the cotton response to boron toxicity

Erkan, Ibrahim Ertan ; Akcay, Ufuk Celikkol

Chilean journal of agricultural research, 2024-04, Vol.84 (2), p.236-245

Chillán: Instituto de Investigaciones Agropecuarias

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Título:
Overexpression of miR408 influences the cotton response to boron toxicity
Autor: Erkan, Ibrahim Ertan ; Akcay, Ufuk Celikkol
Assuntos: Abiotic stress ; Agricultural production ; Agriculture ; AGRICULTURE, MULTIDISCIPLINARY ; AGRONOMY ; Aquaporins ; Arid regions ; Arid zones ; Biomass ; Boron ; Chlorophyll ; Cold ; Cotton ; Flowers & plants ; Gene expression ; Gene regulation ; Genes ; Heavy metals ; International economic relations ; MicroRNA ; MicroRNAs ; miRNA ; Phosphatidylinositol 4,5-diphosphate ; Physiological aspects ; Physiological responses ; Physiology ; Phytoremediation ; Plant genetics ; Plant growth ; Plant tissues ; Proline ; Ribonucleic acid ; Rice ; RNA ; Scientific equipment and supplies industry ; Semi arid areas ; Semiarid lands ; Soil contamination ; Textile fibers ; Toxicity ; Toxicity tolerance ; Wheat
É parte de: Chilean journal of agricultural research, 2024-04, Vol.84 (2), p.236-245
Descrição: Boron toxicity is a severe abiotic stress affecting plant growth and productivity in semi-arid regions of the world including Anatolian plateau. In this study, we investigated antioxidative responses of cotton (Gossypium hirsutum L.) as well as four different B transporter and aquaporin gene activities, which are early B stress responders, by using miR408 overexpression strategy. miR408 is a conserved microRNA in plant kingdom involved in almost all physiological responses of the plants as well as responses under abiotic and biotic stresses. Our results showed that, miR408 overexpression improved overall antioxidative status of cotton plants under B stress, in terms of reduced ion leakage and malondialdehyde levels and increased proline, chlorophyll and relative water contents. We also detected strong B transporter BOR1, BOR2 and water channel PIP1;1 and PIP2;1 gene expression in cotton leaf tissues under almost all treatments. miR408 overexpressing plants exhibited differential gene expression patterns when compared to control plants, always increasing with stress duration, revealing direct or indirect regulation of the genes by miR408 under B toxicity. Our results showed that, miR408 overexpression can be used as a strategy to improve B toxicity tolerance of cotton plants to increase agricultural production or for phytoremediation purposes on B rich soils.
Editor: Chillán: Instituto de Investigaciones Agropecuarias
Idioma: Inglês;Português

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Overexpression of miR408 influences the cotton response to boron toxicity

Erkan, Ibrahim Ertan ; Akcay, Ufuk Celikkol

Chillán: Instituto de Investigaciones Agropecuarias

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