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KMID : 0368420160590050407
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Journal of Plant Biology
2016 Volume.59 No. 5 p.407 ~ p.426
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Arbuscular mycorrhizal symbiosis and abiotic stress in plants: A review
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Latef Arafat Abdel Hamed Abdel
Hashem Abeer
Rasool Saiema
Abd-Allah Elsayed Fathi
Alqarawi A. A.
Egamberdieva Dilfuza
Jan Sumira
Anjum Naser A.
Ahmad Parvaiz
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Abstract
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Abiotic stresses (such as salinity, drought, cold, heat, mineral deficiency and metals/metalloids) have become major threats to the global agricultural production. These stresses in isolation and/or combination control plant growth, development and productivity by causing physiological disorders, ion toxicity, and hormonal and nutritional imbalances. Some soil microorganisms like arbuscular mycorhizal fungi (AMF) inhabit the rhizosphere and develop a symbiotic relationship with the roots of most plant species. AMF can significantly improve resistance of host plants to varied biotic and abiotic stresses. Taking into account recent literature, this paper: (a) overviews major abiotic stresses and introduces the arbuscular mycorrhizae symbiosis (b) appraises the role and underlying major mechanisms of AMF in plant tolerance to major abiotic stresses including salinity, drought, temperature regimes (cold and heat), nutrient-deficiency, and metal/metalloids; (c) discusses major molecular mechanisms potentially involved in AMF-mediated plant-abiotic stress tolerance; and finally (d) highlights major aspects for future work in the current direction.
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KEYWORD
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Abiotic stress, Molecular mechanisms, Mycorrhizal symbiosis, Plant microbe interaction, Plant stress tolerance
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