Expression of<i>Vitis amurensis NAC26</i>in Arabidopsis enhances drought tolerance by modulating jasmonic acid synthesis

Fang, Linchuan; Su, Lingye; Sun, Xiaoming; Li, Xinbo; Sun, Mingwei; Karungo, Sospeter Karanja; Fang, S. S.; Chu, Jinfang; Li, Shaohua; Xin, H. P.

doi:10.1093/jxb/erw122

Cited by 92 publications

(47 citation statements)

References 65 publications

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“…JA has significant roles in mediating stress responses and regulating growth and development of plants (Ullah et al ). JA has been reported to induce plant drought tolerance through multiple strategies, such as scavenging of ROS, stomatal closure and root development (Sánchez‐Romera et al , Kazan , Fang et al , Ullah et al ). The increase in α‐linolenic acid might provide the potential for JA increase to cope with drought.…”

Section: Discussionmentioning

confidence: 99%

Comparative metabolomics analysis reveals different metabolic responses to drought in tolerant and susceptible poplar species

Jia

Wang

et al. 2019

Physiologia Plantarum

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Drought is one of the critical factors limiting tree growth and survival. Clarifying the adaptation to drought will facilitate the cultivation of drought‐tolerant varieties. Metabolites, as direct signatures of biochemical functions, can uncover the biochemical pathways involved in drought responses. Here, we investigated the physiological and metabolic responses of drought‐tolerant Populus simonii and drought‐susceptible Populus deltoides cv. ‘Danhong’ to drought. Under drought conditions, P. simonii grew better and had a higher photosynthetic rate than P. deltoides cv. ‘Danhong’. Global untargeted metabolite profiling was analyzed using gas chromatography time‐of‐flight mass spectrometry system. A total of 69 and 53 differentially accumulated metabolites were identified in drought‐stressed P. simonii and P. deltoides cv. ‘Danhong’, respectively. The metabolisms of carbohydrate, amino acid, lipid and energy were involved in the drought responses common to both poplar species. The citric acid cycle was significantly inhibited to conserve energy, whereas multiple carbohydrates acting as osmolytes and osmoprotectants were induced to alleviate the adverse effects of drought stress. Unlike P. deltoides cv. ‘Danhong’, P. simonii underwent a specific metabolic reprogramming that enhanced non‐enzymatic antioxidants, coordinated the cellular carbon/nitrogen balance and regulated wax biosynthesis. These results provide a reference for characterizing the mechanisms involved in poplar response to drought and for enhancing the drought tolerance of forest trees.

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Section: Discussionmentioning

confidence: 99%

Comparative metabolomics analysis reveals different metabolic responses to drought in tolerant and susceptible poplar species

Jia

Wang

et al. 2019

Physiologia Plantarum

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“…JA, which is naturally synthesized by plants, plays an important role as a signal molecule that induces tolerance mechanisms under the influence of abiotic stresses456789101151. However, the roles of the JA signalling pathway in response to abiotic stresses in sweet potato have not been reported to date.…”

Section: Discussionmentioning

confidence: 99%

“…Increasing evidence has shown that jasmonic acid (JA, or the related compound methyl jasmonate, MeJA) functions in diverse physiological processes in plants, such as the regulation of plant responses to abiotic stresses4567891011. The exogenous application of JA to wheat seedlings for three days has been shown to significantly enhance the salt tolerance of these plants by increasing the activities of antioxidant enzymes and the concentrations of antioxidative compounds4.…”

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confidence: 99%

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Transcript profile analysis reveals important roles of jasmonic acid signalling pathway in the response of sweet potato to salt stress

Zhang

Zhai

et al. 2017

Sci Rep

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Sweet potato is an important food and bio-energy crop, and investigating the mechanisms underlying salt tolerance will provide information for salt-tolerant breeding of this crop. Here, the root transcriptomes of the salt-sensitive variety Lizixiang and the salt-tolerant line ND98 were compared to identify the genes and pathways involved in salt stress responses. In total, 8,744 and 10,413 differentially expressed genes (DEGs) in Lizixiang and ND98, respectively, were involved in salt responses. A lower DNA methylation level was detected in ND98 than in Lizixiang. In both genotypes, the DEGs, which function in phytohormone synthesis and signalling and ion homeostasis, may underlie the different degrees of salt tolerance. Significant up-regulations of the genes involved in the jasmonic acid (JA) biosynthesis and signalling pathways and ion transport, more accumulation of JA, a higher degree of stomatal closure and a lower level of Na+ were found in ND98 compared to Lizixiang. This is the first report on transcriptome responses to salt tolerance in sweet potato. These results reveal that the JA signalling pathway plays important roles in the response of sweet potato to salt stress. This study provides insights into the mechanisms and genes involved in the salt tolerance of sweet potato.

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“…The roots were harvested, rinsed briefly in phosphate‐buffered solution, immediately frozen in liquid nitrogen and ground into a powder, after which they were extracted with methanol–water (8 : 2) at 4 °C. Endogenous jasmonates (JA, MeJA and JA‐Ile) were quantified using HPLC‐MS/MS as described previously (Fang et al ., ). Three biological replicates per line were analysed.…”

Section: Methodsmentioning

confidence: 97%

The soybean Rhg1 amino acid transporter gene alters glutamate homeostasis and jasmonic acid‐induced resistance to soybean cyst nematode

Guo

Zhang

Bao

et al. 2018

Molecular Plant Pathology

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Summary Rhg1 (resistance to Heterodera glycines 1) is an important locus that contributes to resistance against soybean cyst nematode (SCN; Heterodera glycines Ichinohe), which is the most economically damaging disease of soybean worldwide. Simultaneous overexpression of three genes encoding a predicted amino acid transporter, an α‐soluble N ‐ethylmaleimide‐sensitive factor attachment protein (α‐SNAP) and a predicted wound‐induced protein resulted in resistance to SCN provided by this locus. However, the roles of two of these genes (excluding α‐ SNAP ) remain unknown. Here, we report the functional characterization of Glyma.18G022400 , a gene at the Rhg1 locus that encodes the predicted amino acid transporter Rhg1‐GmAAT. Although the direct role of Rhg1‐GmAAT in glutamate transport was not demonstrated, multiple lines of evidence showed that Rhg1‐GmAAT impacts glutamic acid tolerance and glutamate transportation in soybean. Transcriptomic and metabolite profiling indicated that overexpression of Rhg1‐GmAAT activated the jasmonic acid (JA) pathway. Treatment with a JA biosynthesis inhibitor reduced the resistance provided by the Rhg1 ‐containing PI88788 to SCN, which suggested that the JA pathway might play a role in Rhg1 ‐mediated resistance to SCN. Our results could be helpful for the clarification of the mechanism of resistance to SCN provided by Rhg1 in soybean.

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Expression ofVitis amurensis NAC26in Arabidopsis enhances drought tolerance by modulating jasmonic acid synthesis

Abstract: Highlight VaNAC26, a member of the NAC gene family from the wild species Vitis amurensis, plays an important role in drought tolerance by positively modulating jasmonic acid synthesis and enhancing the antioxidant system.

Cited by 92 publications

References 65 publications

Comparative metabolomics analysis reveals different metabolic responses to drought in tolerant and susceptible poplar species

Comparative metabolomics analysis reveals different metabolic responses to drought in tolerant and susceptible poplar species

Transcript profile analysis reveals important roles of jasmonic acid signalling pathway in the response of sweet potato to salt stress

The soybean Rhg1 amino acid transporter gene alters glutamate homeostasis and jasmonic acid‐induced resistance to soybean cyst nematode

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