Effects of arbuscular mycorrhizal fungi on photosystem II activity of three pistachio rootstocks under salt stress as probed by the OJIP-test

Shamshiri, Mohammad Hossein; Fattahi, Mohammad

doi:10.1134/s1021443716010155

Cited by 25 publications

(18 citation statements)

References 27 publications

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“…The increase of V J and V K in alfalfa leaves treated with +AMF was significantly lower than -AMF, which indicated that +AMF improved the electron transfer ability on the PSII donor side and acceptor side under salt stress. This is similar to a previous study, which showed that AMF promoted electron transfer on the PSII donor and acceptor side of pistachio rootstocks under salt stress (Shamshiri and Fattahi 2016). The promotion in electron transfer may be related to the fact that AMF can increase the expression of psbA and psbD, which encode the core protein D1 and D2 of the PSII reaction center of the host plant under salt stress (Chen et al 2017).…”

Section: Discussionsupporting

confidence: 90%

Improving plant growth and alleviating photosynthetic inhibition from salt stress using AMF in alfalfa seedlings

Shen

Jiang

Ma-bo

et al. 2019

Journal of Plant Interactions

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The effects of arbuscular mycorrhizal fungi Glomus mosseae (+AMF) on the growth, nutrient uptake and leaf photosynthetic characteristics of alfalfa (Medicago sativa) under salt stress were studied. In alfalfa, 100 mM salt stress had no obvious effect on plant growth, nutrient content and photosynthetic capacity, however, 200 mM salt stress significantly inhibited biomass accumulation and NPK uptake. In addition, 200 mM salt stress led to decreased photosynthetic carbon assimilation capacity and lower PSII and PSI activity levels. Cultivation of alfafa with +AMF promoted biomass accumulation and uptake of nutrients, increased its underground growth, and promoted accumulation of P over N and K. +AMF increased PSII and PSI activities in alfalfa leaves under salt stress, and increased the electron transfer ability of PSII donor and acceptor sides. +AMF not only made alfalfa have relatively high stomatal conductance under salt stress, but also significantly enhanced its ability to utilize CO 2 .

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Section: Discussionsupporting

confidence: 90%

Improving plant growth and alleviating photosynthetic inhibition from salt stress using AMF in alfalfa seedlings

Shen

Jiang

Ma-bo

et al. 2019

Journal of Plant Interactions

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“…Rai et al [51] found that maize plants inoculated with Piriformospora indica and mixed AMF exhibited relatively higher quantum yield compared to nonmycorrhizal plants, and electron flow yield (ϕEo = ϕPo × ψEo) was highly responsive to AM inoculation. Our results are in agreement with numerous findings that mycorrhizal plants generally can achieve a higher photosynthesis rate via modulating chlorophyll fluorescence parameters, and thereby can grow better under environmental stress such as high temperature, salt stress, and metal toxicity [52][53][54][55]. An essential nutrient like P is indispensable for photosynthesis processes such as photosynthetic phosphorylation.…”

Section: Chlorophyll Fluorescence Parameterssupporting

confidence: 92%

Arbuscular Mycorrhizal Fungi Improve the Performance of Sweet Sorghum Grown in a Mo-Contaminated Soil

Shi

Zhang

et al. 2020

JoF

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Arbuscular mycorrhizal fungi are among the most ubiquitous soil plant-symbiotic fungi in terrestrial environments and can alleviate the toxic effects of various contaminants on plants. As an essential micronutrient for higher plants, molybdenum (Mo) can cause toxic effects at excess levels. However, arbuscular mycorrhizal fungal impacts on plant performance and Mo accumulation under Mo-contamination still require to be explored. We first studied the effects of Claroideoglomus etunicatum BEG168 on plant biomass production and Mo accumulation in a biofuel crop, sweet sorghum, grown in an agricultural soil spiked with different concentrations of MoS2. The results showed that the addition of Mo produced no adverse effects on plant biomass, N and P uptake, and root colonization rate, indicating Mo has no phytotoxicity and fungitoxicity at the test concentrations. The addition of Mo did not increase and even decreased S concentrations in plant tissues. Arbuscular mycorrhizal inoculation significantly enhanced plant biomass production and Mo concentrations in both shoots and roots, resulting in increased Mo uptake by mycorrhizal plants. Overall, arbuscular mycorrhizal inoculation promoted the absorption of P, N and S by sweet sorghum plants, improved photosystem (PS) II photochemical efficiency and comprehensive photosynthesis performance. In conclusion, MoS2 increased Mo accumulation in plant tissues but produced no toxicity, while arbuscular mycorrhizal inoculation could improve plant performance via enhancing nutrient uptake and photochemical efficiency. Sweet sorghum, together with arbuscular mycorrhizal fungi, shows a promising potential for phytoremediation of Mo-contaminated farmland and revegetation of Mo-mine disturbed areas, as well as biomass production on such sites.

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“…Plant growth diminishes under salt stress due to (a) spending of more energy to avoid the toxic effects of NaCl and (b) deficiency in nutrients ( Munns and Tester, 2008 ). On the other hand, mycorrhizal inoculation was found to enhance the efficiency of the host plants by increasing their growth and photosynthetic efficiency ( Chandrasekaran et al, 2014 ; Elhindi et al, 2016 ; Shamshiri and Fattahi, 2016 ). In the present study, we have observed that the overall AMF inoculation response increased in both C 3 and C 4 plants, and the total plant biomass was found to be enhanced in both C 3 and C 4 plants.…”

Section: Discussionmentioning

confidence: 99%

“…Moreover, proline content has been reported to change during stress among mycorrhizal plants, and thus, it may serve as a parameter to evaluate the effects of AMF and salinity on plants ( Sannazzaro et al, 2007 ; Echeverria et al, 2013 ). Several studies have also indicated that AMF symbiosis can increase stomatal conductance, transpiration and photosynthetic rate and water use efficiency in plants exposed to salinity stress than non-mycorrhizal plants ( Sheng et al, 2008 ; Evelin et al, 2012 ; Ruiz-Lozano et al, 2012 ; Elhindi et al, 2016 ; Shamshiri and Fattahi, 2016 ).…”

Section: Introductionmentioning

confidence: 99%

Mycorrhizal Symbiotic Efficiency on C3 and C4 Plants under Salinity Stress – A Meta-Analysis

et al. 2016

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A wide range of C3 and C4 plant species could acclimatize and grow under the impact of salinity stress. Symbiotic relationship between plant roots and arbuscular mycorrhizal fungi (AMF) are widespread and are well known to ameliorate the influence of salinity stress on agro-ecosystem. In the present study, we sought to understand the phenomenon of variability on AMF symbiotic relationship on saline stress amelioration in C3 and C4 plants. Thus, the objective was to compare varied mycorrhizal symbiotic relationship between C3 and C4 plants in saline conditions. To accomplish the above mentioned objective, we conducted a random effects models meta-analysis across 60 published studies. An effect size was calculated as the difference in mycorrhizal responses between the AMF inoculated plants and its corresponding control under saline conditions. Responses were compared between (i) identity of AMF species and AMF inoculation, (ii) identity of host plants (C3 vs. C4) and plant functional groups, (iii) soil texture and level of salinity and (iv) experimental condition (greenhouse vs. field). Results indicate that both C3 and C4 plants under saline condition responded positively to AMF inoculation, thereby overcoming the predicted effects of symbiotic efficiency. Although C3 and C4 plants showed positive effects under low (EC < 4 ds/m) and high (>8 ds/m) saline conditions, C3 plants showed significant effects for mycorrhizal inoculation over C4 plants. Among the plant types, C4 annual and perennial plants, C4 herbs and C4 dicot had a significant effect over other counterparts. Between single and mixed AMF inoculants, single inoculants Rhizophagus irregularis had a positive effect on C3 plants whereas Funneliformis mosseae had a positive effect on C4 plants than other species. In all of the observed studies, mycorrhizal inoculation showed positive effects on shoot, root and total biomass, and in nitrogen, phosphorous and potassium (K) uptake. However, it showed negative effects in sodium (Na) uptake in both C3 and C4 plants. This influence, owing to mycorrhizal inoculation, was significantly higher in K uptake in C4 plants. For our analysis, we concluded that AMF-inoculated C4 plants showed more competitive K+ ions uptake than C3 plants. Therefore, maintenance of high cytosolic K+/Na+ ratio is a key feature of plant salt tolerance. Studies on the detailed mechanism for the selective transport of K in C3 and C4 mycorrhizal plants under salt stress is lacking, and this needs to be explored.

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Effects of arbuscular mycorrhizal fungi on photosystem II activity of three pistachio rootstocks under salt stress as probed by the OJIP-test

Cited by 25 publications

References 27 publications

Improving plant growth and alleviating photosynthetic inhibition from salt stress using AMF in alfalfa seedlings

Improving plant growth and alleviating photosynthetic inhibition from salt stress using AMF in alfalfa seedlings

Arbuscular Mycorrhizal Fungi Improve the Performance of Sweet Sorghum Grown in a Mo-Contaminated Soil

Mycorrhizal Symbiotic Efficiency on C3 and C4 Plants under Salinity Stress – A Meta-Analysis

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