Arbuscular mycorrhizal fungi enhances salinity tolerance of Panicum turgidum Forssk by altering photosynthetic and antioxidant pathways

By A. Hashem, E. F. Abd_Allah, Abdulaziz A. Alqarawi, Abdullah Aldubise, D. Egamberdieva. 2015

142 citations recorded by the source corpus.

Present experiments were conducted to assess the response of Panicum turgidum to salinity and possible role of arbuscular mycorrhizal fungi (AMF) in enhancing the salt tolerance. The activities of antioxidant enzymes such as superoxide dismutase (SOD), catalase (CAT), peroxidase (POD), glutathione reductase (GR) and compatible solutes were increased by salt stress and were further enhanced by AMF inoculation. Hydrogen peroxide and malonaldehyde content increased in salt-stressed plants while a reduction was observed due to AMF inoculation. Salt-stressed plants showed higher activities of pyruvate orthophosphate dikinase (PPDK), phosphoenolpyruvate carboxylase (PEPC) and malate dehydrogenase as compared to control and AMF-inoculated plants. Salt stress caused significant decrease in phosphorous, potassium and calcium uptake but an increase in sodium uptake was observed. AMF alleviate salinity-induced negative impact on the plant growth and nutrient uptake by reducing the oxidative damage through strengthening of the antioxidant system.

Subfields: Plant Science

View Paper: https://www.semanticscholar.org/paper/14594a9ebb37a1d03cbbc4e20e2b3e0f8ec77c2e

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Citations in the corpus

Endophytic bacterium Bacillus subtilis (BERA 71) improves salt tolerance in chickpea plants by regulating the plant defense mechanisms (2018, background): “Proline maintains protein turnover and regulates stress-protective proteins (Hashem et al. 2015).”
Coordination between Bradyrhizobium and Pseudomonas alleviates salt stress in soybean through altering root system architecture (2017, background): “Plant growth can be considerably limited, caused by different mechanisms such as osmotic effects, specific ion-toxicity, and/or nutritional disorders (Mantri et al. 2012; Hashem et al. 2015).”