OsDSSR1, a novel small peptide, enhances drought tolerance in transgenic rice

Cui, Yanchun; Li, Mingjuan; Yin, Xuming; Song, Shufeng; Xu, Guoyun; Wang, Manling; Li, Chunyong; Peng, Can; Xia, X. Y.

doi:10.1016/j.plantsci.2018.02.015

Cited by 25 publications

(19 citation statements)

References 52 publications

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“…Two-week-old transgenic and wild-type plants were cultivated on ½ MS media with or without 50 μM CuCl 2 for 24 h. Approximately 0.2 g of the leaf tissue was harvested, ground into a powder, and then suspended in 1.8 mL 100 mM sodium phosphate buffer (PBS, pH = 7.4) for ABA leaf content detection, using a previously published method [60].…”

Section: Methodsmentioning

confidence: 99%

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OsMSR3, a Small Heat Shock Protein, Confers Enhanced Tolerance to Copper Stress in Arabidopsis thaliana

Cui

Wang

Yin

et al. 2019

IJMS

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Copper is a mineral element essential for the normal growth and development of plants; however, excessive levels can severely affect plant growth and development. Oryza sativa L. multiple stress-responsive gene 3 (OsMSR3) is a small, low-molecular-weight heat shock protein (HSP) gene. A previous study has shown that OsMSR3 expression improves the tolerance of Arabidopsis to cadmium stress. However, the role of OsMSR3 in the Cu stress response of plants remains unclear, and, thus, this study aimed to elucidate this phenomenon in Arabidopsis thaliana, to further understand the role of small HSPs (sHSPs) in heavy metal resistance in plants. Under Cu stress, transgenic A. thaliana expressing OsMSR3 showed higher tolerance to Cu, longer roots, higher survival rates, biomass, and relative water content, and accumulated more Cu, abscisic acid (ABA), hydrogen peroxide, chlorophyll, carotenoid, superoxide dismutase, and peroxidase than wild-type plants did. Moreover, OsMSR3 expression in A. thaliana increased the expression of antioxidant-related and ABA-responsive genes. Collectively, our findings suggest that OsMSR3 played an important role in regulating Cu tolerance in plants and improved their tolerance to Cu stress through enhanced activation of antioxidative defense mechanisms and positive regulation of ABA-responsive gene expression.

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Section: Methodsmentioning

confidence: 99%

“…The chlorophyll and carotenoid content were determined according to a previous method [60]. Briefly, three-day-old A. thaliana seedlings were transferred onto ½ MS medium with or without 50 μM CuCl 2 in vertically placed dishes.…”

Section: Methodsmentioning

confidence: 99%

OsMSR3, a Small Heat Shock Protein, Confers Enhanced Tolerance to Copper Stress in Arabidopsis thaliana

Cui

Wang

Yin

et al. 2019

IJMS

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“…Increased accumulation of soluble sugars during drought stress is an important factor for drought hardening in tobacco (Khan, Ma, et al, 2020). Similarly, transgenic plants overexpressing the drought responsive gene DROUGHT AND SALT STRESS RESPONSE‐1 (OsDSSR1) exhibited enhanced drought stress tolerance due to increased levels of compatible osmolytes, such as free proline and soluble sugars (Cui et al, 2018). Furthermore, soluble sugars had a greater contribution than proline in cellular osmotic adjustments in drought‐stressed Arabidopsis (Gurrieri et al, 2020).…”

Section: Sugar Status Impacts Source‐sink Relationship During Droughtmentioning

confidence: 99%

Imperative role of sugar signaling and transport during drought stress responses in plants

Kaur

Manna

Thakur

et al. 2021

Physiologia Plantarum

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Cellular sugar status is essentially maintained during normal growth conditions but is impacted negatively during various environmental perturbations. Drought presents one such unfavorable environmental cue that hampers the photosynthetic fixation of carbon into sugars and affects their transport by lowering the cellular osmotic potential. The transport of cellular sugar is facilitated by a specific set of proteins known as sugar transporters. These transporter proteins are the key determinant of influx/ efflux of various sugars and their metabolite intermediates that support the plant growth and developmental process. Abiotic stress and especially drought stress‐mediated injury results in reprogramming of sugar distribution across the cellular and subcellular compartments. Here, we have reviewed the imperative role of sugar accumulation, signaling, and transport under typical and atypical stressful environments. We have discussed the physiological effects of drought on sugar accumulation and transport through different transporter proteins involved in monosaccharide and disaccharide sugar transport. Further, we have illustrated sugar‐mediated signaling and regulation of sugar transporter proteins along with the overall crosstalk of this signaling with the phytohormone module of abiotic stress response under osmotic stress. Overall, the present review highlights the critical role of sugar transport, distribution and signaling in plants under drought stress conditions.

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“…Abiotic stresses, such as drought, have a dramatic impact on plant growth, development and reproduction [23], but little is known about the role of auxin in drought responses [24][25][26] and even less about the involvement of peptides derived from non-functional precursors [27][28][29]. AUX/IAAs function as hubs to integrate genetic and environmental information, including drought and osmotic stress [25], and accumulation of auxin in the root system enhances wheat yield under drought [30].…”

Section: Downloaded Frommentioning

confidence: 99%

The CEP5 Peptide Promotes Abiotic Stress Tolerance, As Revealed by Quantitative Proteomics, and Attenuates the AUX/IAA Equilibrium in Arabidopsis

Smith¹,

Zhu²,

Joos³

et al. 2020

Molecular & Cellular Proteomics

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Peptides derived from non-functional precursors play important roles in various developmental processes, but also in (a)biotic stress signaling. Our (phospho)proteome-wide analyses of C-terminally encoded peptide 5 (CEP5)-mediated changes revealed an impact on abiotic stress-related processes. Drought has a dramatic impact on plant growth, development and reproduction, and the plant hormone auxin plays a role in drought responses. Our genetic, physiological, biochemical and pharmacological results demonstrated that CEP5-mediated signaling is relevant for osmotic and drought stress tolerance in Arabidopsis, and that CEP5 specifically counteracts auxin effects. Specifically, we found that CEP5 signaling stabilizes AUX/IAA transcriptional repressors, suggesting the existence of a novel peptide-dependent control mechanism that tunes auxin signaling. These observations align with the recently described role of AUX/IAAs in stress tolerance and provide a novel role for CEP5 in osmotic and drought stress tolerance.

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OsDSSR1, a novel small peptide, enhances drought tolerance in transgenic rice

Cited by 25 publications

References 52 publications

OsMSR3, a Small Heat Shock Protein, Confers Enhanced Tolerance to Copper Stress in Arabidopsis thaliana

OsMSR3, a Small Heat Shock Protein, Confers Enhanced Tolerance to Copper Stress in Arabidopsis thaliana

Imperative role of sugar signaling and transport during drought stress responses in plants

The CEP5 Peptide Promotes Abiotic Stress Tolerance, As Revealed by Quantitative Proteomics, and Attenuates the AUX/IAA Equilibrium in Arabidopsis

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