β-aminobutyric acid priming by stress imprinting

Singh, Prashant; Wu, Chen‐Chi; Zimmerli, Laurent

doi:10.4161/psb.5.7.11903

Cited by 24 publications

(14 citation statements)

References 24 publications

(32 reference statements)

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“…The proline content increased considerably, with an increase in salinity, but BABA application moderates this effect in studied plants. β-aminobutyric acid has been shown to induce proline accumulation in Arabidopsis and potato [33,34]. Misra and Misra [35] have reported that the up-regulation of proline biosynthesis enzymes (viz.…”

Section: Discussionmentioning

confidence: 99%

β-Aminobutyric Acid Pretreatment Confers Salt Stress Tolerance in Brassica napus L. by Modulating Reactive Oxygen Species Metabolism and Methylglyoxal Detoxification

Mahmud

Hasanuzzaman

Khan

et al. 2020

Plants

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Salinity is a serious environmental hazard which limits world agricultural production by adversely affecting plant physiology and biochemistry. Hence, increased tolerance against salt stress is very important. In this study, we explored the function of β-aminobutyric acid (BABA) in enhancing salt stress tolerance in rapeseed (Brassica napus L.). After pretreatment with BABA, seedlings were exposed to NaCl (100 and 150 mM) for 2 days. Salt stress increased Na content and decreased K content in shoot and root. It disrupted the antioxidant defense system by producing reactive oxygen species (ROS; H2O2 and O2•−), methylglyoxal (MG) content and causing oxidative stress. It also reduced the growth and photosynthetic pigments of seedlings but increased proline (Pro) content. However, BABA pretreatment in salt-stressed seedlings increased ascorbate (AsA) and glutathione (GSH) contents; GSH/GSSG ratio; and the activities of ascorbate peroxidase (APX), monodehydroascorbate reductase (MDHAR), dehydroascorbate reductase (DHAR), glutathione reductase (GR), glutathione peroxidase (GPX), superoxide dismutase (SOD), catalase (CAT), glyoxalase I (Gly I), and glyoxalase II (Gly II) as well as the growth and photosynthetic pigments of plants. In addition, compared to salt stress alone, BABA increased Pro content, reduced the H2O2, MDA and MG contents, and decreased Na content in root and increased K content in shoot and root of rapeseed seedlings. Our findings suggest that BABA plays a double role in rapeseed seedlings by reducing Na uptake and enhancing stress tolerance through upregulating the antioxidant defense and glyoxalase systems.

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Section: Discussionmentioning

confidence: 99%

β-Aminobutyric Acid Pretreatment Confers Salt Stress Tolerance in Brassica napus L. by Modulating Reactive Oxygen Species Metabolism and Methylglyoxal Detoxification

Mahmud

Hasanuzzaman

Khan

et al. 2020

Plants

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“…This reversal has been attributed to the alleviation of an amino acid stress induced by BABA, as it is a nonproteinogenic amino acid which cannot be metabolized by plants. BABA has been reported to alter amino acid balance (Luna et al, 2014;Singh et al, 2010), but whether BABA affects Gln levels has not been reported.…”

Section: Discussionmentioning

confidence: 99%

Nitrogen modulation of Medicago truncatula resistance to Aphanomyces euteiches depends on plant genotype

Thalineau

Fournier

Gravot

et al. 2017

Molecular Plant Pathology

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Nitrogen (N) availability can impact plant resistance to pathogens by the regulation of plant immunity. To better understand the links between N nutrition and plant defence, we analysed the impact of N availability on Medicago truncatula resistance to the root pathogen Aphanomyces euteiches. This oomycete is considered to be the most limiting factor for legume production. Ten plant genotypes were tested in vitro for their resistance to A. euteiches in either complete or nitrate-deficient medium. N deficiency led to enhanced or reduced susceptibility depending on the plant genotype. Focusing on four genotypes displaying contrasting responses, we determined the impact of N deficiency on plant growth and shoot N concentration, and performed expression analyses on N- and defence-related genes, as well as the quantification of soluble phenolics and different amino acids in roots. Our analyses suggest that N modulation of plant resistance is not linked to plant response to N deprivation or to mechanisms previously identified to be involved in plant resistance. Furthermore, our studies highlight a role of glutamine in mediating the susceptibility to A. euteiches in M. truncatula.

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“…BABA treatment could alter amino acids balance in Arabidopsis , and L-glutamine could inhibit BABA-induced resistance to thermotolerance and a bacterial pathogen [33,34]. We found that BABA-treated wheat phloem accumulated lower serine than water-treated control.…”

Section: Discussionmentioning

confidence: 93%

Mechanism ofβ-Aminobutyric Acid-Induced Resistance in Wheat to the Grain Aphid,Sitobion avenaeor Dissecting/Deciphering the Mechanism ofβ-Aminobutyric Acid-Induced Resistance in Wheat to the Grain Aphid,Sitobion avenae

Cao¹,

Zhang²,

Hui³

et al. 2013

Preprint

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The non-protein amino acid β-aminobutyric acid (BABA) could induce plant resistance to a broad spectrum of biotic and abiotic stresses. However, BABA-induced plant resistance to insects is less well-studied, especially its underlying mechanism. In this research, we applied BABA to wheat seedlings and tested its effects on Sitobion avenae. When applied as a soil drench, BABA significantly reduced weight of S. avenae, whereas foliar spray and seed treatment had no such effects. BABA-mediated suppression of S. avenae growth is dose dependent and could last at least for 7 days. The aminobutyric acid concentration in phloem sap of BABA-treated plants accumulated to high levels and increased with BABA concentrations applied. Moreover, after 10 days of treatment, the aminobutyric acid content in BABA-treated plants was still higher than that in control treatment. S. avenae could not discriminate artificial diet containing BABA from standard diet, indicating that BABA itself is not a deterrent to this aphid. Also S. avenae did not show preference for control plants or BABA-treated plants. Consistent with choice test results, S. avenae had similar feeding activities on control and BABA-treated plants, suggesting that BABA did not induce antifeedants in wheat seedlings. In addition, aminobutyric acid concentration in S. avenae feeding on BABA-treated plants was significantly higher than those feeding on control palnts. S. avenae growth rate was reduced on artificial diet containing BABA, indicating direct toxic effects of BABA to this aphid. These results suggest that BABA application could enhance wheat plant resistance to S. avenae and the mechanism is possibly due to direct toxicity of high BABA contents in plant phloem.

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β-aminobutyric acid priming by stress imprinting

Cited by 24 publications

References 24 publications

β-Aminobutyric Acid Pretreatment Confers Salt Stress Tolerance in Brassica napus L. by Modulating Reactive Oxygen Species Metabolism and Methylglyoxal Detoxification

β-Aminobutyric Acid Pretreatment Confers Salt Stress Tolerance in Brassica napus L. by Modulating Reactive Oxygen Species Metabolism and Methylglyoxal Detoxification

Nitrogen modulation of Medicago truncatula resistance to Aphanomyces euteiches depends on plant genotype

Mechanism ofβ-Aminobutyric Acid-Induced Resistance in Wheat to the Grain Aphid,Sitobion avenaeor Dissecting/Deciphering the Mechanism ofβ-Aminobutyric Acid-Induced Resistance in Wheat to the Grain Aphid,Sitobion avenae

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