Journals / Türk Biyokimya Dergisi / 2014 / Cilt: 39 - Sayı: 2

Real-time PCR analysis of pyrethroid resistance in Helicoverpa armigera from Turkey

Türkiye’deki Helicoverpa armigera’da piretroid dayanıklılığının gerçek zamanlı PCR ile analizi

Pages
176–180
Publication Date
2022-11-04
DOI
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⚡ TL;DR(Too Long; Didn't Read)

Therefore, expressions of selected CYP450, GST and esterase genes of H. armigera field populations (Adana and Mardin) were compared to those of a susceptible strain by real-time PCR method for analyzing role of these systems in pyrethroid resistance development of H. armigera.Material and Methods: Real-Time PCR MethodResults: It was found that H. armigera reacts to pyrethroids mainly by increasing expressions of CYP9A14 gene together with CYP4S1 and CYP9A12 genes.

📌 3 Key Takeaways

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Objective & Hypothesis:Aim: Helicoverpa armigera (Hübner) (Lepidoptera: Noctuidae) is a polyphagous pest of a wide range of crops such as cotton, tomato and soybean.
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Key Findings & Data:Resistance development usually occurs with increased metabolism of certain enzymatic systems such as CYP450, GST and esterases.
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Conclusion & Impact:Therefore, expressions of selected CYP450, GST and esterase genes of H. armigera field populations (Adana and Mardin) were compared to those of a susceptible strain by real-time PCR method for analyzing role of these systems in pyrethroid resistance development of H. armigera.Material and Methods: Real-Time PCR MethodResults: It was found that H. armigera reacts to pyrethroids mainly by increasing expressions of CYP9A14 gene together with CYP4S1 and CYP9A12 genes.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Aim: Helicoverpa armigera (Hübner) (Lepidoptera: Noctuidae) is a polyphagous pest of a wide range of crops such as cotton, tomato and soybean. Pyrethroid insecticides have commonly used against it in agricultural areas, but excess amount applications of them result in resistance development in the field populations of H. armigera. Resistance development usually occurs with increased metabolism of certain enzymatic systems such as CYP450, GST and esterases. Therefore, expressions of selected CYP450, GST and esterase genes of H. armigera field populations (Adana and Mardin) were compared to those of a susceptible strain by real-time PCR method for analyzing role of these systems in pyrethroid resistance development of H. armigera.Material and Methods: Real-Time PCR MethodResults: It was found that H. armigera reacts to pyrethroids mainly by increasing expressions of CYP9A14 gene together with CYP4S1 and CYP9A12 genes. However, analyzed GST and esterase genes expression were not significantly changed in field populations.Conclusion: Consequently, while CYP450 enzyme system is actively involved in pyrethroid resistance, GSTs and esterases enzyme systems don’t seem to be actively involved in resistance development against pyrethroid insecticides in H. armigera field populations from Turkey

Özet

Amaç: Helicoverpa armigera (Hübner) (Lepidoptera: Noctuidae) polifag bir zararlı olup pamuk, domates ve soyafasuyesi gibi geniş bir ürün grubunun zararlısıdır. Tarımsal alanlarda bu zararlıya karşı yaygın olarak piretroid insektisitler kullanılmaktadır fakat bu insektisitlerin aşırı miktarda kullanımı H. armigera'nın tarla populasyonlarında direnç oluşumuna neden olmaktadır. Dayanıklılık oluşumu genellikle CYP450, GST ve esteraz gibi enzim sistemlerinin metabolik hızının artmasıyla olmaktadır. Bu nedenle, Adana ve Mardin tarla populasyonlarındaki CYP450, GST ve esteraz enzim sistemlerinden seçilen genlerin ekspresyonu hassas populasyonla gerçek zamanlı PCR yöntemiyle karşılaştırılarak bu sistemlerin piretroid dayanıklılıktaki rolleri analiz edildi.Gereç ve Yöntemler: Gerçek zamanlı PCR yöntemiBulgular: H. armigera'nın tarla populasyonun'nun piretroidleri başta CYP9A14 olmak üzere CYP9A12 ve CYP4S1 ile birlikte metabolize ettiği bulundu. Bununla birlikte, analiz edilen GST ve esteraz genleri tarla populasyonlarında anlamlı bir değişiklik göstermedi.Sonuç: Sonuç olarak, CYP450 enzim sistemi piretroid dayanıklılığına aktif olarak katılırken, GST ve esteraz enzim sistemlerinin H. armigera'nın tarla populasyonlarında dayanıklılık oluşumuna aktif olarak katılmadıkları saptandı

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Cite This Article

KONUS, M., KARAAĞAÇ, S. U., İŞCAN, M. (2022). Real-time PCR analysis of pyrethroid resistance in Helicoverpa armigera from Turkey. Türk Biyokimya Dergisi, Cilt: 39 - Sayı: 2, 176–180. https://ajindex.com/articles/621175

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