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Functional Roles of Five Cytochrome P450 Transcripts in the Susceptibility of the Yellow Fever Mosquito to Pyrethroids Revealed by RNAi Coupled With Insecticide Bioassay 5个细胞色素P450转录本在黄热病蚊对拟除虫菊酯类杀虫剂敏感性中的功能作用
IF 1.5 4区 农林科学
Archives of Insect Biochemistry and Physiology Pub Date : 2024-12-05 DOI: 10.1002/arch.70013
Moustapha Soumalia Issa, Rachel Johnson, Yoonseong Park, Kun Yan Zhu
{"title":"Functional Roles of Five Cytochrome P450 Transcripts in the Susceptibility of the Yellow Fever Mosquito to Pyrethroids Revealed by RNAi Coupled With Insecticide Bioassay","authors":"Moustapha Soumalia Issa,&nbsp;Rachel Johnson,&nbsp;Yoonseong Park,&nbsp;Kun Yan Zhu","doi":"10.1002/arch.70013","DOIUrl":"10.1002/arch.70013","url":null,"abstract":"<div>\u0000 \u0000 <p>We evaluated the possible roles of five cytochrome P450 transcripts in the susceptibility of both adults and larvae of <i>Aedes aegypti</i> to three pyrethroids using RNA interference (RNAi) coupled with insecticide bioassays. RNAi by feeding larvae with chitosan/dsRNA nanoparticles led to reductions of <i>CYP6AA5</i>, <i>CYP6AL1</i>, <i>CYP9J32</i>, <i>CYP4J16A</i>, and <i>CYP4J16B</i> transcripts by 38.7%, 46.0%, 46.52%, 44.0%, and 41.0%, respectively, and increased larval mortality by 46.0% to permethrin when <i>CYP9J32</i> was silenced and by 41.2% to cypermethrin when <i>CYP6AA5</i> was silenced. RNAi by injecting dsRNA in adults led to reductions of <i>CYP6AA5</i>, <i>CYP6AL1</i>, and <i>CY4J16A</i> transcripts by 77.9%, 80.0%, and 87.1% (<i>p</i> &lt; 0.05), respectively, at 96 h and reduction of <i>CYP9J32</i> transcript by 46.5% at 24 h after injection. In contrast, <i>CYP4J16B</i> was repressed by 78.2% at 72 h after injection. Exposure of the adults injected with <i>CYP6AA5</i> dsRNA resulted in 1.5- to 2.0-fold increased susceptibility to cypermethrin as compared with the control. Homology modeling of CYP6AA5 followed by ligand docking showed that distances between the heme iron and the putative aromatic hydroxylation site were 9.2, 7.2, and 9.1 Å for permethrin, cypermethrin, and deltamethrin, respectively. For the aliphatic hydroxylation site, these distances were 5.3, 4.9, and 3.1 Å. These results supported that CYP6AA5 may be able to metabolize cypermethrin preferentially by aliphatic hydroxylation as indicated by the close interaction with the heme iron. Our study also suggests that the detoxification roles of cytochrome P450 genes in <i>A. aegypti</i> may vary according to the mosquito developmental stages, cytochrome P450 genes, and insecticides.</p></div>","PeriodicalId":8281,"journal":{"name":"Archives of Insect Biochemistry and Physiology","volume":"117 4","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142783824","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Novel Findings on the SNP18 Sequence and Its Functional Analysis in Hygienic Behavior of Apis mellifera snp - 18序列的新发现及其在蜜蜂卫生行为中的功能分析
IF 1.5 4区 农林科学
Archives of Insect Biochemistry and Physiology Pub Date : 2024-12-04 DOI: 10.1002/arch.70011
Mustafa Kibar, İnci Şahin Negiş, İbrahim Aytekin
{"title":"Novel Findings on the SNP18 Sequence and Its Functional Analysis in Hygienic Behavior of Apis mellifera","authors":"Mustafa Kibar,&nbsp;İnci Şahin Negiş,&nbsp;İbrahim Aytekin","doi":"10.1002/arch.70011","DOIUrl":"https://doi.org/10.1002/arch.70011","url":null,"abstract":"<div>\u0000 \u0000 <p>Hygienic behavior (HB) is a crucial biological mechanism in honeybees that is associated with disease resistance. This study aimed to investigate the effect of the SNP18 sequence and environmental factors on the HB of honey bees, using a total of 14 colonies and 148 bee samples from seven different bee breeds. Association analysis revealed that colonies with Italian hybrids (IH) or young queens statistically (<i>p</i> &lt; 0.01) exhibited high hygienic behavior (HHB). HB increased by 71.6% when the number of frames in the colony, representing colony power (CP), increased by one (<i>p</i> &lt; 0.05). In restriction fragment length polymorphism (RFLP) analysis, novel mutations in the <i>Mly</i>I polymorphism of the SNP18 sequence were firstly found in <i>Apis mellifera</i>. In addition, the restriction fragments of the novel variants of the SNP18 HHB and SNP18 low hygienic behavior (LHB) lines were determined by sequencing. In this study, several important findings emerged: Due to one-base differences in the restriction fragment, this sequence could not be genotyped by RFLP. Honeybees could be homozygous (HHB or LHB) or heterozygous (HHB and LHB) for the SNP18. SNP18 sequence could be located in different regions of the chromosome and could only be determined by genome sequencing. Finally, since genotypes cannot be clearly determined, no specific allele or genotype can be recommended for HB selection in beekeeping. Therefore, additional research is required to assess discovered novel variants for genetic selection of HHB for ecological beekeeping, healthy products and sustainability.</p></div>","PeriodicalId":8281,"journal":{"name":"Archives of Insect Biochemistry and Physiology","volume":"117 4","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142764114","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Glutathione S-Transferase Contributes to the Resistance of Megalurothrips usitatus Against Lambda-Cyhalothrin by Strengthening Its Antioxidant Defense Mechanisms 谷胱甘肽s -转移酶通过增强抗氧化防御机制参与巨食蓟马对高效氯氟氰菊酯的抗性
IF 1.5 4区 农林科学
Archives of Insect Biochemistry and Physiology Pub Date : 2024-12-03 DOI: 10.1002/arch.70010
Wenbo Dong, Chaozheng Wang, Xia Li, Tianbao Huang, Fen Li, Shaoying Wu
{"title":"Glutathione S-Transferase Contributes to the Resistance of Megalurothrips usitatus Against Lambda-Cyhalothrin by Strengthening Its Antioxidant Defense Mechanisms","authors":"Wenbo Dong,&nbsp;Chaozheng Wang,&nbsp;Xia Li,&nbsp;Tianbao Huang,&nbsp;Fen Li,&nbsp;Shaoying Wu","doi":"10.1002/arch.70010","DOIUrl":"https://doi.org/10.1002/arch.70010","url":null,"abstract":"<div>\u0000 \u0000 <p>The damage caused by <i>Megalurothrips usitatus</i>, a common pest, has significantly affected the Chinese vegetable industry. The inappropriate application of chemical pesticides has caused <i>M. usitatus</i> to become highly resistant to conventional insecticides. Glutathione S-transferase (GST), known for its multifunctional properties, contributes to detoxification and antioxidation. It enhances insects' adaptability to pesticides by facilitating the elimination of lipid peroxidation products resulting from pyrethroid insecticides. This research employed RT-qPCR to identify GST genes that exhibited significant expression in response to lambda-cyhalothrin stress. It also quantified changes in antioxidant and apoptosis markers within the <i>M. usitatus</i> under lambda-cyhalothrin exposure. The functional significance of GST was validated by assessing alterations in the antioxidant defense system and resistance to lambda-cyhalothrin following the inhibition of GST activity. The study's outcomes indicated that <i>MuGSTs1</i> was markedly upregulated in response to lambda-cyhalothrin stress (<i>p</i> &lt; 0.0001). The GST activity was effectively suppressed by the specific inhibitor, diethyl maleate, achieving an inhibition rate of 64.05%. Following the inhibition of GST, the overall antioxidant capacity was reduced by 3.1-fold compared with the control, and the <i>M. usitatus</i> exhibited a 7.91-fold increase in sensitivity to lambda-cyhalothrin. These findings confirm the pivotal role of GST in the oxidative stress response of the <i>M. usitatus</i> and their contribution to the development of resistance to lambda-cyhalothrin through enhanced antioxidant defenses. This research offers valuable perspectives on the adaptive reactions of insects to chemical stressors, facilitating the management of resistance and the formulation of effective pest control strategies.</p></div>","PeriodicalId":8281,"journal":{"name":"Archives of Insect Biochemistry and Physiology","volume":"117 4","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142764316","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Function of PxGrp78 in the Reproduction of Plutella xylostella PxGrp78在小菜蛾繁殖中的作用
IF 1.5 4区 农林科学
Archives of Insect Biochemistry and Physiology Pub Date : 2024-12-03 DOI: 10.1002/arch.70007
Si-Yuan Gong, Can-Xin Zhang, Chen-Meng Xue, Xiao-Han Yang, Chao-Bin Xue
{"title":"Function of PxGrp78 in the Reproduction of Plutella xylostella","authors":"Si-Yuan Gong,&nbsp;Can-Xin Zhang,&nbsp;Chen-Meng Xue,&nbsp;Xiao-Han Yang,&nbsp;Chao-Bin Xue","doi":"10.1002/arch.70007","DOIUrl":"https://doi.org/10.1002/arch.70007","url":null,"abstract":"<div>\u0000 \u0000 <p>Glucose-regulated protein 78 (Grp78), a crucial molecular chaperone in the endoplasmic reticulum, has been extensively investigated in vertebrates. However, its functional exploration in insects remains limited. This study cloned the full-length cDNA sequence of <i>Grp78</i> in <i>Plutella xylostella</i> (L.), which is 2583 bp long. The open reading frame (ORF) is 2004 bp in length and encodes a total of 667 amino acids, including three conserved characteristic sequences of the HSP70 family. <i>PxGrp78</i> is expressed in various developmental stages of <i>P. xylostella</i>, with the highest expression observed in third instar larvae and higher expression in female adults compared to male adults. The interference with <i>PxGrp78</i> in female adults was found to significantly reduce the quantity of egg laying and the hatching rate, as well as shorten the oviposition period and down-regulate the expression of the <i>PxVg</i> gene. These results suggested an important role for <i>PxGrp78</i> in the reproduction of <i>P. xylostella</i>.</p></div>","PeriodicalId":8281,"journal":{"name":"Archives of Insect Biochemistry and Physiology","volume":"117 4","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142764315","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Role of Aralkylamine N-Acetyltransferase in the Response to Antioxidative Stress in the Fruit Fly Drosophila Melanogaster Adults 烷基胺 N-乙酰转移酶在果蝇成虫抗氧化应激反应中的作用
IF 1.5 4区 农林科学
Archives of Insect Biochemistry and Physiology Pub Date : 2024-11-25 DOI: 10.1002/arch.70009
Arnau Rodríguez-Illamola, Roman Sidorov, Radmila Čapková-Frydrychová, Dalibor Kodrík
{"title":"Role of Aralkylamine N-Acetyltransferase in the Response to Antioxidative Stress in the Fruit Fly Drosophila Melanogaster Adults","authors":"Arnau Rodríguez-Illamola,&nbsp;Roman Sidorov,&nbsp;Radmila Čapková-Frydrychová,&nbsp;Dalibor Kodrík","doi":"10.1002/arch.70009","DOIUrl":"https://doi.org/10.1002/arch.70009","url":null,"abstract":"<div>\u0000 \u0000 <p>In multicellular organisms, the indole melatonin synthesized by aralkylamine N-acetyltransferase (AANATI) serves as an antioxidant. To test this, sex-mixed 3-day-old mated fly adults <i>bw</i><sup><i>1</i></sup> and AANAT1 homozygous recessive loss-of-function mutant (<i>bw AANAT1</i><sup><i>lo</i></sup>) of <i>Drosophila melanogaster</i> were fed by a standard diet or by one containing paraquat (PQ, 1,1′-dimethyl-4,4′-bipyridilium dichloride hydrate) at a final concentration of 15.5 mM. Experiment lasted 8 h and began at 11 a.m. In <i>bw</i><sup><i>1</i></sup> flies the paraquat treatment resulted in a significant (evaluated by Student's <i>t</i>-tests) decrease of the superoxide dismutase (SOD) activity and an increase the catalase (CAT) and glutathione S-transferase (GST) activities. Meanwhile, in these flies, total Antioxidative capacity (TAC) was significantly curbed by the paraquat presence. Importantly, these changes were not observed in the AANAT1-mutants. Thus, melatonin seems to play an important defence role against the oxidative stress elicited by paraquat.</p></div>","PeriodicalId":8281,"journal":{"name":"Archives of Insect Biochemistry and Physiology","volume":"117 3","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-11-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142708389","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study on the Structure and Function of Intestinal Microorganisms in Silkworm Maggot Exorista sorbillans 蚕蛾肠道微生物的结构和功能研究
IF 1.5 4区 农林科学
Archives of Insect Biochemistry and Physiology Pub Date : 2024-11-17 DOI: 10.1002/arch.70008
Siyin Zhong, Zhe Jiang, Jiabao Zhang, Zhiya Gu, Jing Wei, Bing Li, Fanchi Li
{"title":"Study on the Structure and Function of Intestinal Microorganisms in Silkworm Maggot Exorista sorbillans","authors":"Siyin Zhong,&nbsp;Zhe Jiang,&nbsp;Jiabao Zhang,&nbsp;Zhiya Gu,&nbsp;Jing Wei,&nbsp;Bing Li,&nbsp;Fanchi Li","doi":"10.1002/arch.70008","DOIUrl":"10.1002/arch.70008","url":null,"abstract":"<div>\u0000 \u0000 <p>Insects have important symbiotic relationships with their intestinal microbiota. The intestinal microbiota is involved in or influences various processes in insects such as development, metabolism, immunity, and reproduction. Currently, research on the intestinal microbiota of parasitic insects is still in its early stages. The tachinid parasitoid <i>Exorista sorbillans</i> is a dipteran parasitic insect, with the silkworm (<i>Bombyx mori</i>) being its main host. Silkworms parasitized by <i>E. sorbillans</i> can suffer from severe silkworm maggot disease, which also poses a serious threat to sericulture. In this study, the intestinal microbiota of larval <i>E. sorbillans</i> at three instar stages was analyzed using 16S rRNA amplicon sequencing to explore the community composition of the intestinal microbiota. Additionally, using conventional culture methods, six cultivable strains were isolated and identified from the larval <i>E. sorbillans</i> on an antibiotic-free LB medium, and four cultivable strains were isolated and identified from the hemolymph of parasitized silkworms. This study investigated the <i>E. sorbillans</i> from the perspective of intestinal microbiota, elucidating the composition and structural characteristics of the intestinal microbiota of the tachinid parasitoid, and preliminarily discussing the functional roles of several major microorganisms, which helps to further clarify the potential mechanisms of interaction between the parasitoid and the silkworm.</p></div>","PeriodicalId":8281,"journal":{"name":"Archives of Insect Biochemistry and Physiology","volume":"117 3","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-11-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142646190","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
PGE2 Binding Affinity of Hemocyte Membrane Preparations of Manduca sexta and Identification of the Receptor-Associated G Proteins in Two Lepidopteran Species 两种鳞翅目昆虫血细胞膜制剂的 PGE2 结合亲和力及受体相关 G 蛋白的鉴定
IF 1.5 4区 农林科学
Archives of Insect Biochemistry and Physiology Pub Date : 2024-11-07 DOI: 10.1002/arch.70005
Falguni Khan, Hasan Tunaz, Eric Haas, Yonggyun Kim, David Stanley
{"title":"PGE2 Binding Affinity of Hemocyte Membrane Preparations of Manduca sexta and Identification of the Receptor-Associated G Proteins in Two Lepidopteran Species","authors":"Falguni Khan,&nbsp;Hasan Tunaz,&nbsp;Eric Haas,&nbsp;Yonggyun Kim,&nbsp;David Stanley","doi":"10.1002/arch.70005","DOIUrl":"10.1002/arch.70005","url":null,"abstract":"<div>\u0000 \u0000 <p>Prostaglandin E<sub>2</sub> (PGE<sub>2</sub>) is an eicosanoid that mediates a range of physiological actions in vertebrates and invertebrates, including reproduction and immunity. The PGE<sub>2</sub> receptor was identified and functionally assessed in two lepidopteran insects, <i>Manduca sexta</i> and <i>Spodoptera exigua</i>. However, its binding affinity to the receptor has not been reported. The PGE<sub>2</sub> receptor is a G-protein coupled receptor (GPCR) although its corresponding G-protein is not identified. PGE<sub>2</sub> binding assays were performed with membrane preparations from hemocytes of <i>M. sexta</i> larvae. We recorded an optimal binding in 4 h reactions conducted at pH 7.5 with 12 nM tritium-labeled PGE<sub>2</sub>. We found that hemocytes express a single population of PGE<sub>2</sub> binding sites with a high affinity (Kd = 35 pmol/mg protein), which are specific and saturable. The outcomes of experiments on the influence of purine nucleotides suggested these are functional GPCRs. A bioinformatics analysis led to a proposed trimeric G-protein in the <i>S. exigua</i> transcriptome, in which the Gα subunit is classified into five different types: Gα(o), Gα(q), Gα(s), Gα(12), and Gα(f). After confirming expressions of these five types in <i>S. exigua</i>, individual RNA interference (RNAi) treatments were applied to the larvae using gene-specific double-stranded RNAs. RNAi treatments specific to Gα(s) or Gα(12) gene expression significantly suppressed the cellular immune responses although the RNAi treatments specific to other three Gα components did not. While PGE<sub>2</sub> treatments led to elevated hemocyte cAMP or Ca<sup>2+</sup> levels, the RNAi treatments specific to Gα(s) or Gα(12) genes led to significantly reduced second messenger levels under PGE<sub>2,</sub> although the RNAi treatments specific to the other three Gα components did not. These results showed that the PGE<sub>2</sub> receptor has high PGE<sub>2</sub> affinity in the nanomolar range and binds G-proteins containing a Gα(s) or Gα(12) trimeric component in <i>S. exigua</i> and <i>M. sexta</i>, and likely, all lepidopteran insects.</p></div>","PeriodicalId":8281,"journal":{"name":"Archives of Insect Biochemistry and Physiology","volume":"117 3","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142589649","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Metabolism of Furanocoumarins by Three Recombinant CYP9A Proteins From the Polyphagous Cotton Bollworm Helicoverpa armigera 多食性棉铃虫 Helicoverpa armigera 的三种重组 CYP9A 蛋白对呋喃香豆素的代谢作用
IF 1.5 4区 农林科学
Archives of Insect Biochemistry and Physiology Pub Date : 2024-11-04 DOI: 10.1002/arch.70004
Kai Tian, Jiang Zhu, Xinghui Qiu
{"title":"Metabolism of Furanocoumarins by Three Recombinant CYP9A Proteins From the Polyphagous Cotton Bollworm Helicoverpa armigera","authors":"Kai Tian,&nbsp;Jiang Zhu,&nbsp;Xinghui Qiu","doi":"10.1002/arch.70004","DOIUrl":"10.1002/arch.70004","url":null,"abstract":"<div>\u0000 \u0000 <p>Furanocoumarins are a class of chemical compounds with phototoxic properties. For herbivores, efficient detoxification of such defense compounds is the prerequisite to feed successfully on furanocoumarin-containing plants. The cotton bollworm <i>Helicoverpa armigera</i> is a very important polyphagous pest in agriculture, but how it copes with toxic furanocoumarins in some of its host plants is not well understood. Given that cytochrome P450s are well known for their capacity in xenobiotic metabolism, this study attempted to explore the potential roles of cytochrome P450s in furanocoumarin transformation in this pest. Our data showed that two linear structures (psoralen and xanthotoxin) could be metabolized by three recombinant CYP9A enzymes, but no detectable depletion was observed for the linear one with the 8-dimethylallyloxy substituent on the coumarin moiety (imperatorin) and the angular furanocoumarin (angelicin). Initial epoxidation of the double bond connecting C2' and C3' of the furano ring following by cleavage of the epoxidated furan ring, leading to the formation of more soluble, less reactive and nonphotosensitizing metabolites, was identified as a common mechanism of linear furanocoumarin metabolism using a quadrupole/time-of-flight (Q-TOF) mass spectrometry interfaced with a high performance liquid chromatography (HPLC) system. Our data demonstrated that multiple P450s were involved in the detoxification of linear furanocoumarins in the cotton bollworm. These findings contribute to a better understanding of the biochemical basis of adaptation to plant defense chemicals in this economically important pest.</p></div>","PeriodicalId":8281,"journal":{"name":"Archives of Insect Biochemistry and Physiology","volume":"117 3","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142567108","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
α-Solanine and α-Tomatine Affect the Retrocerebral Complexes of Tenebrio molitor and Zophobas atratus Beetles α-茄碱和α-托马汀对甲虫后脑复合物的影响
IF 1.5 4区 农林科学
Archives of Insect Biochemistry and Physiology Pub Date : 2024-11-04 DOI: 10.1002/arch.70003
Zbigniew Adamski, Polyxeni Nikolaou, Pawel Marciniak
{"title":"α-Solanine and α-Tomatine Affect the Retrocerebral Complexes of Tenebrio molitor and Zophobas atratus Beetles","authors":"Zbigniew Adamski,&nbsp;Polyxeni Nikolaou,&nbsp;Pawel Marciniak","doi":"10.1002/arch.70003","DOIUrl":"10.1002/arch.70003","url":null,"abstract":"<div>\u0000 \u0000 <p>Presently, the European Commission is moving forward with a plan to reduce the use of chemical pesticides and increase the percentage of organic farming by 2030; this plan demands increased availability of biopesticides for organic farming. Glycoalkaloids are a class of molecules found in certain plants, including tomatoes and potatoes, which contain sugar and an alkaloid group. These compounds are known to have insecticidal properties, as they can act as natural defenses against insect pests. This study examined how a biological substance, glycoalkaloids, affects mortality and the retrocerebral complex of two beetle species, <i>Tenebrio molitor</i> and <i>Zophobas atratus</i>. More specifically, we focused on two glycoalkaloids, α-solanine and α-tomatine. Although these two insects belong to the same taxonomic family, they were not equally susceptible to these substances. In the mortality test, we observed that the <i>T. molitor</i> beetle seemed more susceptible, whereas the changes in the retrocerebral complex were more significant in the case of <i>Z. atratus</i>. In general, the effects vary between substances and insects, and changes in the retrocerebral complex may impair the reproduction of insects.</p></div>","PeriodicalId":8281,"journal":{"name":"Archives of Insect Biochemistry and Physiology","volume":"117 3","pages":""},"PeriodicalIF":1.5,"publicationDate":"2024-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142567119","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Kaempferol Extends Male Lifespan Under Blue Light Irradiation in Drosophila 山奈酚延长果蝇在蓝光照射下的雄性寿命
IF 1.5 4区 农林科学
Archives of Insect Biochemistry and Physiology Pub Date : 2024-10-24 DOI: 10.1002/arch.70001
Qimeng He, Hui Jin, Jie Shen
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