Nitrogen and plant pathogens alter rice plant volatiles mediating host location behavior of Nilaparvata lugens and its parasitoid Anagrus nilaparvatae

Líu, Hao; Su, Xiaoyun; Sun, Ze; Wang, Chao; Shi, Jin‐Hua; Foba, Caroline Ngichop; Jin, Huanan; Wang, Man‐Qun

doi:10.1127/entomologia/2022/1281

Cited by 6 publications

(2 citation statements)

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“…The BPH is not only abundant, but it is also prone to developing insecticide resistance easily ( Mu et al, 2016 ). Therefore, it is difficult to manage BPH with standard chemical methods and should be manage through natural enemies ( Liu et al, 2022 ). In this study, RNA interference (RNAi), a commonly used method for studying of insect gene function ( Ullah et al, 2022 ; Zhou et al, 2022 ), was employed to suppress the expression of NlGFAT and NlPFK genes.…”

Section: Introductionmentioning

confidence: 99%

Roles of GFAT and PFK genes in energy metabolism of brown planthopper, Nilaparvata lugens

Sun

Liu

et al. 2023

Front. Physiol.

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Glutamine:fructose-6-phosphate aminotransferases (GFATs) and phosphofructokinase (PFKs) are the principal rate-limiting enzymes involved in hexosamine biosynthesis pathway (HBP) and glycolysis pathway, respectively. In this study, the NlGFAT and NlPFK were knocked down through RNA interference (RNAi) in Nilaparvata lugens, the notorious brown planthopper (BPH), and the changes in energy metabolism were determined. Knockdown of either NlGFAT or NlPFK substantially reduced gene expression related to trehalose, glucose, and glycogen metabolism pathways. Moreover, trehalose content rose significantly at 72 h after dsGFAT injection, and glycogen content increased significantly at 48 h after injection. Glucose content remained unchanged throughout the experiment. Conversely, dsPFK injection did not significantly alter trehalose, but caused an extreme increase in glucose and glycogen content at 72 h after injection. The Knockdown of NlGFAT or NlPFK significantly downregulated the genes in the glycolytic pathway, as well as caused a considerable and significant decrease in pyruvate kinase (PK) activity after 48 h and 72 h of inhibition. After dsGFAT injection, most of genes in TCA cycle pathway were upregulated, but after dsNlPFK injection, they were downregulated. Correspondingly, ATP content substantially increased at 48 h after NlGFAT knockdown but decreased to an extreme extent by 72 h. In contrast, ATP content decreased significantly after NlPFK was knocked down and returned. The results have suggested the knockdown of either NlGFAT or NlPFK resulted in metabolism disorders in BPHs, highlighting the difference in the impact of those two enzyme genes on energy metabolism. Given their influence on BPHs energy metabolism, developing enzyme inhibitors or activators may provide a biological control for BPHs.

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Section: Introductionmentioning

confidence: 99%

Roles of GFAT and PFK genes in energy metabolism of brown planthopper, Nilaparvata lugens

Sun

Liu

et al. 2023

Front. Physiol.

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“…Different environmental conditions can affect the allocation of plant resources, influencing the balance between defense and growth. For example, nutritional conditions, elevation, and temperature can all affect the phenotypic plasticity of plants (Bakhtiari et al 2019;Liu et al 2022a).…”

Section: Phenotypic Plasticity Is Essential For Plant Defense Against...mentioning

confidence: 99%

Phenotypic plasticity plays an essential role in the confrontation between plants and herbivorous insects

Wang,

Kang,

Wang

et al. 2023

CABI Agric Biosci

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The interaction between insects and plants is a classic case of coevolution. During the arms race that has continued for 400 million years, the mutualistic (such as pollination and defense assistance) and antagonistic relationships gradually formed and complicated under the selection pressure from phytophagous insects. Thus, plants have developed diverse defense strategies, constantly balancing the relationship between defense and growth. At the same time, insects have evolved the ability to adapt to and resist plant defenses. Throughout this process, phenotypic plasticity has continuously helped both groups adapt to new environments and niches. Epigenetic changes play an important role in the formation of plastic phenotype. These changes allow parental defense traits to be passed on to the offspring, helping the offspring resist insect feeding. Epigenetic changes and genetic variation provide the basis for the formation of new phenotypes, and plants can form stable defense traits under long-term insect feeding pressure. In this review, we summarize the defense strategies of plants and the counter-defense strategies of insects, suggest that phenotypic plasticity plays an important role in this interaction, and discuss the role of epigenetics in the formation of plastic phenotypes.

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Nitrogen fertilization enhances growth and development of Cacopsylla chinensis by modifying production of ferulic acid and amino acids in pears

Qin,

Ge,

Jia

et al. 2023

J Pest Sci

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Nitrogen and plant pathogens alter rice plant volatiles mediating host location behavior of Nilaparvata lugens and its parasitoid Anagrus nilaparvatae

Cited by 6 publications

References 0 publications

Roles of GFAT and PFK genes in energy metabolism of brown planthopper, Nilaparvata lugens

Roles of GFAT and PFK genes in energy metabolism of brown planthopper, Nilaparvata lugens

Phenotypic plasticity plays an essential role in the confrontation between plants and herbivorous insects

Nitrogen fertilization enhances growth and development of Cacopsylla chinensis by modifying production of ferulic acid and amino acids in pears

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