Role of salicylic acid in resistance to cadmium stress in plants

Liu, Zhouping; Ding, Yanfei; Wang, Feijuan; Ye, Yaoyao; C, Zhu

doi:10.1007/s00299-015-1925-3

Cited by 103 publications

(41 citation statements)

References 131 publications

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“…Our observations are consistent with previous studies which have revealed that SA can restrict the entry of heavy metals or metalloids into plants such as As in rice [58], Cr in Zea mays, Cd in Glycine max [59], and Cd in Triticum aestivum [60]. SA enhances the antioxidant defense mechanism, which ultimately improves plant growth and resistance to heavy metal stress [57,61]. SA-induced reduction in ROS production might be due to a restriction in Pb accumulation in plants and so a decreased oxidative stress.…”

Section: Discussionsupporting

confidence: 93%

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Foliar application of salicylic acid improves growth and yield attributes by upregulating the antioxidant defense system in Brassica campestris plants grown in lead-amended soils

et al. 2019

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Lead (Pb) toxicity causes a severe impact on plant growth and productivity. A protective role of salicylic acid (SA) is well known under different abiotic stress conditions. However, very little is known about the SA-induced Pb resistance mechanism. In this study, we investigated the effect of SA on mustard plants (Brassica campestris L.) under Pb-stress conditions. Plants were exposed to three levels of Pb amendment to the soil (0.25, 0.50, 1.00 mM), with or without SA (0.25 mM). Plant growth, yield attributes, and yield at harvest were reduced depending on the severity of the Pb stress. Exogenous application of SA improved plant growth and yield. Biochemical data revealed that Pb toxicity resulted in higher oxidative damage by reducing nonenzymatic antioxidants such as ascorbate and glutathione at the higher dose of Pb treatment. Antioxidant enzymes (ascorbate peroxidase – APX, monodehydroascorbate reductase – MDHAR, dehydroascorbate reductase – DHAR, glutathione reductase – GR, guaiacol peroxidase – POD, glutathione S-transferase – GST, and catalase – CAT) responses varied with the Pb doses. Both the nonenzymatic and enzymatic components of the antioxidant defense system were upregulated after application of SA, resulting in lower oxidative damage under Pb-stress conditions. Taken together, the results suggest that exogenous application of the SA mitigates Pb-induced oxidative damage and consequently results in better growth and yield in mustard plants.

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Section: Discussionsupporting

confidence: 93%

“…Salicylic acid is an hydroxyl radical scavenger in plants under various abiotic and biotic stresses [56,57]. In this study, it was observed that exogenous application of SA reduced H 2 O 2 accumulation and MDA contents in plants suffering from the effects of Pb toxicity.…”

Section: Discussionmentioning

confidence: 72%

Foliar application of salicylic acid improves growth and yield attributes by upregulating the antioxidant defense system in Brassica campestris plants grown in lead-amended soils

et al. 2019

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“…Growth inhibition, an index of tolerance determination, is a commonly observed response in non-hyper accumulating plants in response to Cd stress (Wu et al, 2010;Pietrini et al, 2015), and is related to Cd induced water and nutrient imbalance, oxidative stress, changes in enzymatic activities, injuries to the photosynthetic apparatus, and disturbance to many other metabolic activities (Gallego et al, 2012;Andresen and Kupper, 2013;Shabir et al, 2017). Leaf water contents and chlorophyll contents are regarded as important components of metal tolerance of plants, and both of these attributes are generally decreased when plants are exposed to Cd contamination (Liu et al, 2016;Pietrini et al, 2015). We found that C. erectus maintained relatively higher leaf water contents than E. camaldulensis which is an indication of its higher tolerance than its counterpart.…”

Section: Discussionmentioning

confidence: 63%

COMPARATIVE TOLERANCE AND PHYTOSTABILIZATION POTENTIAL OF Conocarpus erectus AND Eucalyptus camaldulensis GROWN IN CADMIUM CONTAMINATED SOIL

Ashraf¹,

Abbas²,

Murtaza³

et al. 2018

PAKJAS

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Phytoremediation is the most promising approach for the remediation of Cd contaminated soils. In the present study, Cd tolerance and phytoremediation potential of Conocarpus erectus and Eucalyptus camaldulensis, was evaluated in a pot experiment for a growth period of 6 months. Two-month-old plants of uniform size were transplanted in Cd-contaminated soil (0, 5, 10 and 15 mg kg-1), and their growth attributes, chlorophyll contents, root and shoot Cd concentration, bioconcentration factor (BCF) and translocation factor (TF) were determined. With increasing soil Cd levels, shoot and root biomass, leaf water and chlorophyll contents (chl a, chl b and total chl) of E. camaldulensis were decreased more than C. erectus. Shoot and root Cd concentrations as well as Cd uptake were more in C. erectus than E. camaldulensis. The TF was less than one for both plant species, while BCF was more than one. It is concluded that due to relatively higher Cd tolerance and greater capacity to retain higher concentration of Cd in roots, C. erectus is a better species than E. camaldulensis for phytostabilization of Cd contaminated soils.

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“…Previous studies have revealed roles for GA and IAA in the modulation and adaptation of plants under severe heavy metal stress (Bashri and Prasad, 2016; Liu et al, 2016). Furthermore, fungal endophytes possess different metal degradation pathways, as well as chelation or sequestration systems, and therefore increase the tolerance of the host plant to heavy metals and assist their growth in metal-polluted soils (Aly et al, 2011; Card et al, 2015).…”

Section: Discussionmentioning

confidence: 99%

Endophytic Paecilomyces formosus LHL10 Augments Glycine max L. Adaptation to Ni-Contamination through Affecting Endogenous Phytohormones and Oxidative Stress

et al. 2017

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This study investigated the Ni-removal efficiency of phytohormone-producing endophytic fungi Penicillium janthinellum, Paecilomyces formosus, Exophiala sp., and Preussia sp. Among four different endophytes, P. formosus LHL10 was able to tolerate up to 1 mM Ni in contaminated media as compared to copper and cadmium. P. formosus LHL10 was further assessed for its potential to enhance the phytoremediation of Glycine max (soybean) in response to dose-dependent increases in soil Ni (0.5, 1.0, and 5.0 mM). Inoculation with P. formosus LHL10 significantly increased plant biomass and growth attributes as compared to non-inoculated control plants with or without Ni contamination. LHL10 enhanced the translocation of Ni from the root to the shoot as compared to the control. In addition, P. formosus LHL10 modulated the physio-chemical apparatus of soybean plants during Ni-contamination by reducing lipid peroxidation and the accumulation of linolenic acid, glutathione, peroxidase, polyphenol oxidase, catalase, and superoxide dismutase. Stress-responsive phytohormones such as abscisic acid and jasmonic acid were significantly down-regulated in fungal-inoculated soybean plants under Ni stress. LHL10 Ni-remediation potential can be attributed to its phytohormonal synthesis related genetic makeup. RT-PCR analysis showed the expression of indole-3-acetamide hydrolase, aldehyde dehydrogenase for indole-acetic acid and geranylgeranyl-diphosphate synthase, ent-kaurene oxidase (P450-4), C13-oxidase (P450-3) for gibberellins synthesis. In conclusion, the inoculation of P. formosus can significantly improve plant growth in Ni-polluted soils, and assist in improving the phytoremediation abilities of economically important crops.

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Role of salicylic acid in resistance to cadmium stress in plants

Cited by 103 publications

References 131 publications

Foliar application of salicylic acid improves growth and yield attributes by upregulating the antioxidant defense system in Brassica campestris plants grown in lead-amended soils

Foliar application of salicylic acid improves growth and yield attributes by upregulating the antioxidant defense system in Brassica campestris plants grown in lead-amended soils

COMPARATIVE TOLERANCE AND PHYTOSTABILIZATION POTENTIAL OF Conocarpus erectus AND Eucalyptus camaldulensis GROWN IN CADMIUM CONTAMINATED SOIL

Endophytic Paecilomyces formosus LHL10 Augments Glycine max L. Adaptation to Ni-Contamination through Affecting Endogenous Phytohormones and Oxidative Stress

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