The roles of methyl jasmonate to stress in plants

Yu, Xiaxia; Zhang, Wenjin; Zhang, Yu; Zhang, Xiaojia; Lang, Duoyong

doi:10.1071/fp18106

Cited by 196 publications

(90 citation statements)

References 110 publications

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“…In plants, jasmonates (JAs) such as jasmonic acid (JA) and its methyl ester (methyl jasmonate, MeJA) act as important phytohormones that regulate multiple plant processes, such as seed germination, root growth, flowering, leaf senescence, and defense responses to various biotic and abiotic stresses 18,19 . Accumulating amounts of data have shown that JAs have a positive role in inducing plant tolerance to cold stress 19 . Cold exposure rapidly induces JA biosynthesis-related genes and subsequent JA accumulation 20 .…”

Section: Introductionmentioning

confidence: 99%

“…Cold exposure rapidly induces JA biosynthesis-related genes and subsequent JA accumulation 20 . Moreover, exogenous application of MeJA enhances Arabidopsis tolerance to cold, while mutants defective in JA biosynthesis or signaling exhibit hypersensitivity to cold stress 19 . Recent studies involving grafting experiments have shown that JA is involved in root and shoot communication to fine-tune plant responses to shoot wounding and root-knot nematodes 21,22 .…”

Section: Introductionmentioning

confidence: 99%

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Methyl jasmonate mediates melatonin-induced cold tolerance of grafted watermelon plants

et al. 2021

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Root–shoot communication has a critical role in plant adaptation to environmental stress. Grafting is widely applied to enhance the abiotic stress tolerance of many horticultural crop species; however, the signal transduction mechanism involved in this tolerance remains unknown. Here, we show that pumpkin- or figleaf gourd rootstock-enhanced cold tolerance of watermelon shoots is accompanied by increases in the accumulation of melatonin, methyl jasmonate (MeJA), and hydrogen peroxide (H2O2). Increased melatonin levels in leaves were associated with both increased melatonin in rootstocks and MeJA-induced melatonin biosynthesis in leaves of plants under cold stress. Exogenous melatonin increased the accumulation of MeJA and H2O2 and enhanced cold tolerance, while inhibition of melatonin accumulation attenuated rootstock-induced MeJA and H2O2 accumulation and cold tolerance. MeJA application induced H2O2 accumulation and cold tolerance, but inhibition of JA biosynthesis abolished rootstock- or melatonin-induced H2O2 accumulation and cold tolerance. Additionally, inhibition of H2O2 production attenuated MeJA-induced tolerance to cold stress. Taken together, our results suggest that melatonin is involved in grafting-induced cold tolerance by inducing the accumulation of MeJA and H2O2. MeJA subsequently increases melatonin accumulation, forming a self-amplifying feedback loop that leads to increased H2O2 accumulation and cold tolerance. This study reveals a novel regulatory mechanism of rootstock-induced cold tolerance.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Methyl jasmonate mediates melatonin-induced cold tolerance of grafted watermelon plants

et al. 2021

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“…Methyl jasmonate (MeJA) is a naturally occurring plant hormone that activates the plant's induced defense system (Jiang and Yan 2018;Yu et al 2018). Most research on MeJA has focused on agricultural crops and fruits (Yu et al 2018), but MeJA has also been evaluated as a successful plant protection treatment in several forest-pest insect systems (e.g. Gu et al 2018;Jiang and Yan 2018;Zhao et al 2011).…”

Section: Introductionmentioning

confidence: 99%

Can methyl jasmonate treatment of conifer seedlings be used as a tool to stop height growth in nursery forest trees?

Fedderwitz

Björklund

Anngren³

et al. 2019

New Forests

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A plant's induced defense system can be triggered by the application of the plant hormone methyl jasmonate (MeJA), and recent research suggest that MeJA treatment may become a tool for protection of conifer seedlings against insect herbivory (e.g. by the pine weevil Hylobius abietis). A side-effect of MeJA application is temporarily reduced height growth. This has generally been considered as negative, but in forest tree nurseries this could instead be beneficial since it is commonly desired to stop the growth of nursery seedlings in late summer. Artificially longer dark periods (long nights/short days) are widely used in high-latitude nurseries to terminate height growth and induce freezing tolerance. However, long night treatment requires specialized nursery equipment and are labor intensive. Therefore alternatives are sought after. We compared long-night and MeJA treatments by following the growth of Norway spruce (Picea abies) seedlings throughout one season. The regulatory effect of MeJA on height growth was similar if not even better than that of long nights, i.e. it was terminated faster. However, MeJA treatment also reduced root growth and delayed the development of freezing tolerance. MeJA may therefore not replace long-night treatments, but it could facilitate a more flexible application of long nights by gaining a longer time interval during which this treatment can be used without risking the seedlings growing too large.

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“…ABA is a crucial phytohormone induced by biotic or abiotic stress, and plays important roles in plant tolerance to abiotic stresses [55]. MeJA play an important role in alleviating biotic (pathogens and insects) and abiotic stresses in plants [56]. Our study showed that the transcripts of these SlADKs were responsive to most hormone treatments (Fig.…”

Section: Discussionmentioning

confidence: 68%

Genome-wide identification and expression analysis of tomato ADK gene family during development and stress

Yang

Cao

Zhu

et al. 2020

Preprint

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Background: Adenylate kinase (ADK) is widely distributed in organisms and plays an important role in cellular energy homeostasis. In plants, ADK has important functions in plant growth and development regulation as well as adaptation to the environment. However, little information is available about the ADK genes in tomato (Solanum lycopersicum), an important economic crop.Results: To investigate the characteristics and functions of ADK genes in tomato, a total of 11 ADK genes were identified and named according to their chromosomal locations. The ADK family was divided into five groups and motif analysis revealed that each SlADK protein contained five to eight conserved motifs. Sequence analysis revealed 4-19 exons in all SlADKs and most members possessed four. The 11 SlADKs were randomly distributed on nine of the 12 tomato chromosomes. A cis-element analysis inferred that several stress response elements were found on the promoters of SlADKs. The online TomExpress platform prediction revealed that SlADKs were expressed in various tissues and organs, basically consistent with the data obtained from real-time quantitative PCR (qPCR). The qPCR verification was also used to determine the expression level of SlADKs and demonstrated that the genes responded to multiple abiotic stresses, such as drought, salt and cold. For example, almost all SlADKs contained two expression peaks at 9 and 48 h following salt treatment. The qPCR results showed that SlADK transcription was responsive to most of the applied hormone treatment: methyl jasmonate, ethylene, salicylic acid, indole 3-acetic acid and abscisic acid. Notably, SlADK2 and 4 exhibited significant changes under multiple stress treatments.Conclusions: These results provide valuable information for clarifying the evolutionary relationship of the tomato ADK family and in aiding functional characterization of SlADKs in further research.

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The roles of methyl jasmonate to stress in plants

Cited by 196 publications

References 110 publications

Methyl jasmonate mediates melatonin-induced cold tolerance of grafted watermelon plants

Methyl jasmonate mediates melatonin-induced cold tolerance of grafted watermelon plants

Can methyl jasmonate treatment of conifer seedlings be used as a tool to stop height growth in nursery forest trees?

Genome-wide identification and expression analysis of tomato ADK gene family during development and stress

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