Influence of oxalic and malic acids in chickpea leaf exudates on the biological activity of CryIAc towards Helicoverpa armigera

Devi, V. Surekha; Sharma, H. C.; Rao, P. Arjuna

doi:10.1016/j.jinsphys.2013.01.008

Cited by 8 publications

(3 citation statements)

References 21 publications

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“…In this sense, the 'Orri' variety would be of great interest, since its higher concentrations of quinate and isoleucine give it greater protection against pests than the other two varieties [30]. Although, it should be noted that the variety 'Afourer' would also be of great interest due to its higher concentration of malate, a compound also involved in the protection against pests [31].…”

Section: Resultsmentioning

confidence: 99%

“…The presence of malate in plants contributes to a wide variety of metabolic processes affecting plant growth and development; it is one of the main compounds involved in photorespiration and is closely related to the mobilization of nitrogen and phosphorus within plants [41][42][43]. Some studies have shown that a higher amount of malic acid in leaves reduces the attack of some lepidopteran pests such as Helicoverpa armígera (Surekha Devi et al [31] quoting Narayanamma et al [44] and Yoshida et al [45]).…”

Section: Organic Acidsmentioning

confidence: 99%

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Mandarin Variety Significantly Affects the Metabolites Present in the Leaves

Maciá-Vázquez,

Núñez-Gómez,

Martínez-Nicolás

et al. 2024

Horticulturae

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Late-season varieties of mandarin (Citrus reticulata Blanco) have a high economic value, so their study, characterization, and comparison among different commercial varieties is of great interest for agriculture. Detailed metabolomic analysis of mandarin leaves can provide valuable information on agronomic characteristics, vegetative development, and tree response to abiotic and biotic stresses. In this study, an analysis of the main metabolites presents in the leaves of three late-season mandarin orange varieties (‘Afourer’, ‘Orri’ and ‘Tango’), cultivated under homogeneous conditions, was carried out using nuclear magnetic resonance (1H NMR) and multivariate statistical analysis techniques. The results show that organic acids and sugars are the metabolites with the highest presence in mandarin leaves, especially malate and sucrose. Ten amino acids and other metabolites such as choline and trigonelline were also detected. Metabolites such as asparagine and isoleucine were widely implicated in the metabolic pathways of the detected compounds. The ‘Orri’ variety showed significantly more differences in metabolite concentrations compared to the other two varieties studied. Malate and sucrose were shown to be the metabolites with the greatest significant differences between the varieties compared. From an agronomic point of view, the ‘Orri’ variety differs from the other two varieties because it has concentrations of metabolites that provide good resistance to abiotic and biotic stresses and fruits of higher quality and sweetness.

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Section: Resultsmentioning

confidence: 99%

Section: Organic Acidsmentioning

confidence: 99%

Mandarin Variety Significantly Affects the Metabolites Present in the Leaves

Maciá-Vázquez,

Núñez-Gómez,

Martínez-Nicolás

et al. 2024

Horticulturae

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“…For instance, high oxalic acid and malic acid concentrations were essential in H. armigera resistant bt‐chickpea influencing cry1Ac expression. The anti‐feedant activity of the acids might interact with the bt‐endotoxins, consequently lowering consumption (Surekha & Arjuna, 2013) by the larvae. Macfoy et al (1983) have reported amino acids and sugars in a susceptible cultivar of cowpea genotype, Vita‐1, in higher concentrations than in the resistant variety, emphasizing that the susceptibility could be due to soluble sugars favouring the insect feeding.…”

Section: Introductionmentioning

confidence: 99%

Biochemical basis of resistance to pod borer (Helicoverpa armigera) in Australian wild relatives of pigeonpea

et al. 2021

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The domestication of pigeonpea has severely impacted the intrinsic host‐plant resistance (HPR) to pest and diseases, particularly pod borer (Helicoverpa armigera hubner). This study with 41 Australian wild Cajanus genotypes and interspecific hybrids demonstrated a high level of resistance to H. armigera in the accessions of Cajanus acutifolius, C. latisepalus, C. lanceolatus, C. pubescens, and C. reticulatus var. reticulatus. Significant variation in herbivory development and mortality (P < 0.001) was observed in the wild accessions and their hybrids in response to feeding on leaves. A strong positive relationship (R2 = 0.69, P < 0.001) between total phenolic compounds (TPC) and the HPR was observed. Australian wild genotypes demonstrated the role of TPC and the absence of certain flavonoids such as rutin and quercetin in resistant genotypes. The detached leaf bioassay technique separated the wild and domesticated accessions into wild resistant, with herbivory weight difference (HWD) (Day 7–Day 1) ranging between −27 ‐ 104 mg, wild susceptible, with HWD ranging between 124 ‐ 207 mg and domesticated susceptible, with HWD ranging from 208 ‐ 300 mg. Similarly, based on TPC, accessions were also categorised into wild high TPC, with TPC ranging between 32.3 ‐ 42.5 GAE mg/g DW, and wild low TPC had only 17.2–24.8 GAE mg/g DW. Low TPC concentrations were found in domesticated pigeonpea, with 10.7–17.6 GAE mg/g DW. The presence of very high concentrations of the flavone isoorientin, an important antioxidant implicated in the intracellular defence mechanism of cancer therapy, was identified for the first time in wild species of pigeonpea.

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Elevated CO2 influences host plant defense response in chickpea against Helicoverpa armigera

Sharma

War

Pathania

et al. 2016

Arthropod-Plant Interactions

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Influence of oxalic and malic acids in chickpea leaf exudates on the biological activity of CryIAc towards Helicoverpa armigera

Abstract: Please cite this article as: Surekha Devi, V., Sharma, H.C., Arjuna Rao, P., Influence of oxalic and malic acids in chickpea leaf exudates on the biological activity of CryIAc towards Helicoverpa armigera, Journal of Insect Physiology (2013), doi: http://dx

Cited by 8 publications

References 21 publications

Mandarin Variety Significantly Affects the Metabolites Present in the Leaves

Mandarin Variety Significantly Affects the Metabolites Present in the Leaves

Biochemical basis of resistance to pod borer (Helicoverpa armigera) in Australian wild relatives of pigeonpea

Elevated CO2 influences host plant defense response in chickpea against Helicoverpa armigera

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