Osmotic stress in banana is relieved by exogenous nitric oxide

Amnan, Muhammad Asyraf Mohd; Pua, Teen‐Lee; Lau, Su-Ee; Tan, Boon Chin; Yamaguchi, Hisateru; Hitachi, Keisuke; Tsuchida, Kunihiro; Komatsu, Setsuko

doi:10.7717/peerj.10879

Cited by 30 publications

(24 citation statements)

References 78 publications

(74 reference statements)

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“…The accumulation of excessive ROS can cause oxidative stress that leads to cell death and senescence. To survive, plants undergo a series of morphological, physiological, biochemical, cellular, and molecular changes [49]. Advances in omics and molecular technologies have identified signaling and regulatory pathways and characteristics of mechanisms underlying plant stress responses, providing valuable data in the information pool for crop improvement.…”

Section: Microbiome Engineering In Improving Abiotic Stress Tolerancementioning

confidence: 99%

Microbiome engineering and plant biostimulants for sustainable crop improvement and mitigation of biotic and abiotic stresses

et al. 2022

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Globally, despite the intense agricultural production, the output is expected to be limited by emerging infectious plant diseases and adverse impacts of climate change. The annual increase in agricultural output to sustain the human population at the expense of the environment has exacerbated the current climate conditions and threatened food security. The demand for sustainable agricultural practice is further augmented with the exclusion of synthetic fertilizers and pesticides. Therefore, the application of plant microbiome engineering and (natural) biostimulants has been at the forefront as an environment-friendly approach to enhance crop production and increase crop tolerance to adverse environmental conditions. In this article, we explore the application of microbiome engineering and plant biostimulants as a sustainable approach to mitigating biotic and abiotic stresses and improving nutrient use efficiency to promote plant growth and increase crop yield. The advancement/understanding in plant-biostimulant interaction relies on the current scientific research to elucidate the extent of benefits conferred by these biostimulants under adverse conditions.

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Section: Microbiome Engineering In Improving Abiotic Stress Tolerancementioning

confidence: 99%

Microbiome engineering and plant biostimulants for sustainable crop improvement and mitigation of biotic and abiotic stresses

et al. 2022

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“…Plants respond and adapt to drought stress conditions by changing regulatory circuits in transcription and protein expression, reorganizing metabolic pathways and physiological processes [16]. This is the first study to determine protein changes in response to drought stress in Pandanus using a TMT-labelled proteomics approach.…”

Section: Stress and Defense Protein Abundance Under Drought Stressmentioning

confidence: 99%

“…Goche et al reported that 237 and 187 root proteins were significantly altered in drought-susceptible and drought-tolerant sorghum varieties, respectively [12]. Other proteomics drought studies have also been reported on chickpea [13], grapevine [14], wheat [15], and banana [16].…”

Section: Introductionmentioning

confidence: 97%

Drought Stress Induces Morpho-physiological and Proteome Changes ofPandanus amaryllifolius

Amnan

Aizat

Khaidizar³

et al. 2021

Preprint

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Drought is one of the significant threats to the agricultural sector. However, there is limited knowledge on the plant response to drought stress and post-drought recovery. Pandanus amaryllifolius, a moderate drought-tolerant plant, is well known for its ability to survive in low-level soil moisture conditions. Understanding the molecular regulation of drought stress signaling in this plant could help guide the rational design of crop plants to counter this environmental challenge. This study aimed to determine the morpho-physiological, biochemical and protein changes of P. amaryllifolius in response to drought stress and during recovery. Drought significantly reduced leaf relative water content of P. amaryllifolius. In contrast, relative electrolyte leakage, proline and malondialdehyde contents, and the activities of antioxidant enzymes in the drought-treated and recovered samples were relatively higher than the well-watered sample. The protein changes between drought-stressed, well-watered, and recovered plants were evaluated using tandem mass tags (TMT)-based quantitative proteomics. Of the 1,415 differentially abundant proteins, 74 were significantly altered. The majority of proteins differing between them were related to carbon metabolism, photosynthesis, stress response, and antioxidant activity. This is the first study that reports the protein changes in response to drought stress in Pandanus. The data generated provide an insight into the drought-responsive mechanisms in P. amaryllifolius.

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“…As for osmotic stress, the supplement of SNP could alleviate over-accumulated ROS (reactive oxygen species)-caused oxidative damage as well as decrease the inhibition of root growth, chlorophyll content, and proline accumulation in osmotic stressed noa1 plants (Zhang et al, 2010 ). However, reducing NO accumulation by application of L-NAME leads to enhanced osmotic stress (Xing et al, 2004 ; Cao et al, 2019 ; Mohd Amnan et al, 2021 ). These findings show that NO can be induced when plants are subjected to various types of environmental stresses.…”

Section: Introductionmentioning

confidence: 99%

ELO2 Participates in the Regulation of Osmotic Stress Response by Modulating Nitric Oxide Accumulation in Arabidopsis

Zheng

2022

Front. Plant Sci.

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The ELO family is involved in synthesizing very-long-chain fatty acids (VLCFAs) and VLCFAs play a crucial role in plant development, protein transport, and disease resistance, but the physiological function of the plant ELO family is largely unknown. Further, while nitric oxide synthase (NOS)-like activity acts in various plant environmental responses by modulating nitric oxide (NO) accumulation, how the NOS-like activity is regulated in such different stress responses remains misty. Here, we report that the yeast mutant Δelo3 is defective in H2O2-triggered cell apoptosis with decreased NOS-like activity and NO accumulation, while its Arabidopsis homologous gene ELO2 (ELO HOMOLOG 2) could complement such defects in Δelo3. The expression of this gene is enhanced and required in plant osmotic stress response because the T-DNA insertion mutant elo2 is more sensitive to the stress than wild-type plants, and ELO2 expression could rescue the sensitivity phenotype of elo2. In addition, osmotic stress-promoted NOS-like activity and NO accumulation are significantly repressed in elo2, while exogenous application of NO donors can rescue this sensitivity of elo2 in terms of germination rate, fresh weight, chlorophyll content, and ion leakage. Furthermore, stress-responsive gene expression, proline accumulation, and catalase activity are also repressed in elo2 compared with the wild type under osmotic stress. In conclusion, our study identifies ELO2 as a pivotal factor involved in plant osmotic stress response and reveals its role in regulating NOS-like activity and NO accumulation.

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Osmotic stress in banana is relieved by exogenous nitric oxide

Cited by 30 publications

References 78 publications

Microbiome engineering and plant biostimulants for sustainable crop improvement and mitigation of biotic and abiotic stresses

Microbiome engineering and plant biostimulants for sustainable crop improvement and mitigation of biotic and abiotic stresses

Drought Stress Induces Morpho-physiological and Proteome Changes ofPandanus amaryllifolius

ELO2 Participates in the Regulation of Osmotic Stress Response by Modulating Nitric Oxide Accumulation in Arabidopsis

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