Overexpression of a Mitogen-Activated Protein Kinase SlMAPK3 Positively Regulates Tomato Tolerance to Cadmium and Drought Stress

Muhammad, Tayeb; Zhang, Jie; Ma, Yue; Li, Yushun; Zhang, Fei; Zhang, Yan; Liang, Yan

doi:10.3390/molecules24030556

Cited by 70 publications

(40 citation statements)

References 93 publications

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“…Many researchers have previously demonstrated the multifaceted importance of metallic TEs in higher plants. Examples include the gene regulation [17], cell signaling [18], secondary metabolites formation [19], CO 2 assimilation and stomatal conductance [20], and transport across vascular bundles [21]. Therefore, the biological role of each TE is out of discussion in the present review that concerns the recent findings only on elements that are considered as heavy metals or metalloids.…”

Section: Introductionmentioning

confidence: 99%

Dual Role of Metallic Trace Elements in Stress Biology—From Negative to Beneficial Impact on Plants

Muszyńska

Labudda

2019

IJMS

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Heavy metals are an interesting group of trace elements (TEs). Some of them are minutely required for normal plant growth and development, while others have unknown biological actions. They may cause injury when they are applied in an elevated concentration, regardless of the importance for the plant functioning. On the other hand, their application may help to alleviate various abiotic stresses. In this review, both the deleterious and beneficial effects of metallic trace elements from their uptake by roots and leaves, through toxicity, up to the regulation of physiological and molecular mechanisms that are associated with plant protection against stress conditions have been briefly discussed. We have highlighted the involvement of metallic ions in mitigating oxidative stress by the activation of various antioxidant enzymes and emphasized the phenomenon of low-dose stimulation that is caused by non-essential, potentially poisonous elements called hormesis, which is recently one of the most studied issues. Finally, we have described the evolutionary consequences of long-term exposure to metallic elements, resulting in the development of unique assemblages of vegetation, classified as metallophytes, which constitute excellent model systems for research on metal accumulation and tolerance. Taken together, the paper can provide a novel insight into the toxicity concept, since both dose- and genotype-dependent response to the presence of metallic trace elements has been comprehensively explained.

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Section: Introductionmentioning

confidence: 99%

Dual Role of Metallic Trace Elements in Stress Biology—From Negative to Beneficial Impact on Plants

Muszyńska

Labudda

2019

IJMS

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“…The results demonstrated that the accumulation of ROS in detached leaves increased. A large amount of ROS can cause toxicity to plant cells, which can destroy biological macromolecules, attack cell membranes, and accelerate leaf damage [ 33 ]. In this experiment, the accumulation of ROS in the leaves of W. chinensis was the highest, and that in the leaves of W. trilobata was the lowest, indicating that the leaves of W. chinensis were under the most serious oxidative stress.…”

Section: Discussionmentioning

confidence: 99%

Comparison of the Ability to Control Water Loss in the Detached Leaves of Wedelia trilobata, Wedelia chinensis, and Their Hybrid

Zhang

Chen

Huang

et al. 2020

Plants

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In the process of biological invasion, hybridization between invasive species and native species is very common, which may lead to the formation of hybrids with a stronger adaptability. The hybrid of Wedelia trilobata (an alien invasive species) and Wedelia chinensis (an indigenous congener) has been found in South China. In our previous study, we found that the hybrid showed heterosis under cadmium stress. However, the results of this experiment demonstrated that the leaves of the hybrid had no heterosis in controlling water loss. The results showed that the water loss rate of W. trilobata was the slowest, that of W. chinensis was the fastest, and that of the hybrid was in the middle. Compared with W. chinensis and the hybrid, W. trilobata accumulated more abscisic acid (ABA) in leaves to control water loss. After the leaves were detached, W. chinensis leaves suffered the most serious damage, the lowest maximum photochemical efficiency, the most serious membrane lipid peroxidation, and the largest accumulation of malondialdehyde and reactive oxygen species. Compared with W. chinensis and its hybrid, the leaves of W. trilobata could accumulate more antioxidant enzymes and antioxidants, and the total antioxidant capacity was the strongest. The results demonstrate that the ability of the hybrid to reduce water loss was lower than that of W. trilobata, but higher than that of W. chinensis. They showed that the drought resistance of the hybrid may be higher than that of W. chinensis, and it might threaten the survival of W. chinensis.

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“…ClO2 treatment has been demonstrated to delay pericarp browning in longan fruit by upregulating gene expression of the antioxidant defense-related enzymes such as superoxide dismutase, catalase and ascorbate peroxidase in harvested longan during storage at room temperature (Chomkitichai, 2014). This upregulation may be a result of activation through MPK3 and MPK6 by H2O2 signaling (Muhammad et al, 2019). In addition, the H2O2 signaling also affects Prx-Trx system causing an increase in the NADPH/NADP ratio.…”

Section: Discussionmentioning

confidence: 99%

Transient H2O2 Induction by ClO2 Fumigation Alters Prx-Trx System and Causes MAPK Accumulation Attenuating Browning in Harvested Longan Fruit

Chumyam¹,

Saengnil²

2020

CMUJNS

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Peroxiredoxin-thioredoxin (Prx-Trx) system plays a critical role in both redox sensing and controlling of signal transduction pathways. This study aimed to demonstrate the effects of chlorine dioxide (ClO2) fumigation on the alteration of redox status of peroxiredoxin (Prx) and thioredoxin (Trx) in hydrogen peroxide (H2O2) sensing and the activation of mitogen-activated protein kinase (MAPK) involved in signal transduction and pericarp browning of longan fruit. After fresh longan fruit were fumigated with 10 mg L-1 ClO2 for 10 min, a transient peak of H2O2 was found at 6 h. It also led to strong accumulation of mitogen-activated protein kinases 3 and 6 (MPK3 and MPK6) that persisted up to 3-5 d after fumigation. Furthermore, the oxidation state as well as reductase activities of both Prx and Trx increased concurrently, reaching their peaks at 12-24 h after fumigation. Both redox state and redox potential of nicotinamide adenine dinucleotide phosphate were significantly affected throughout the time of storage (7 d). The altered Prx and Trx redox state and accumulation of MPK3 and MPK6 were closely associated with the reduction in excessive H2O2 accumulation and pericarp browning after 24 h of fumigation. These findings indicated that ClO2 may trigger the H2O2-induced Prx/Trx redox cycling and MAPK activity, resulting in the reduction of pericarp browning of longan fruit during storage.

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Overexpression of a Mitogen-Activated Protein Kinase SlMAPK3 Positively Regulates Tomato Tolerance to Cadmium and Drought Stress

Cited by 70 publications

References 93 publications

Dual Role of Metallic Trace Elements in Stress Biology—From Negative to Beneficial Impact on Plants

Dual Role of Metallic Trace Elements in Stress Biology—From Negative to Beneficial Impact on Plants

Comparison of the Ability to Control Water Loss in the Detached Leaves of Wedelia trilobata, Wedelia chinensis, and Their Hybrid

Transient H2O2 Induction by ClO2 Fumigation Alters Prx-Trx System and Causes MAPK Accumulation Attenuating Browning in Harvested Longan Fruit

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