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Li XM, Liu Q, Ma S, Yin MZ, Gu N, Qian LF, Zhang YN. Screening of behaviorally active compounds based on the interaction between two chemosensory proteins and mung bean volatiles in Callosobruchus chinensis. Int J Biol Macromol 2023; 250:126137. [PMID: 37544560 DOI: 10.1016/j.ijbiomac.2023.126137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Revised: 07/09/2023] [Accepted: 08/02/2023] [Indexed: 08/08/2023]
Abstract
Chemosensory proteins (CSPs) are involved in the earliest steps of the olfactory process by binding and transporting odorants and play a crucial role in the insect's search for food and egg-laying sites. In the present study, the tissue expression profiles showed that both CchiCSP3 and CchiCSP5 of Callosobruchus chinensis were highly expressed in the adult antennae. Subsequently, the recombinant CchiCSP3 and CchiCSP5 proteins were analysed using fluorescence competitive binding assays, and both showed binding affinities for the three mung bean volatiles. Molecular docking and site-directed mutagenesis revealed four key amino acid residues in CchiCSP3 (L47, W80, Y81, and L84) and CchiCSP5 (Y28, K46, L49, and I72). Electroantennogram (EAG) and dual-choice biobehavioral assays showed that the antennae of adult C. chinensis were electrophysiologically active in response to stimulation with all three behaviorally active compounds and that octyl 4-methoxycinnamate and β-ionone had a significant luring effect on adult C. chinensis, whereas vanillin had a significant avoidance effect. Our study screened three effective behaviorally active compounds based on the involvement of two CchiCSPs in the recognition of mung bean volatiles, providing an opportunity to develop an alternative control strategy using behavioral disruptors to limit the impact of pests.
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Affiliation(s)
- Xiao-Ming Li
- College of Life Sciences, Huaibei Normal University, Huaibei 235000, China
| | - Qiang Liu
- College of Life Sciences, Huaibei Normal University, Huaibei 235000, China
| | - Sai Ma
- College of Life Sciences, Huaibei Normal University, Huaibei 235000, China
| | - Mao-Zhu Yin
- Institute of Plant Protection, Suzhou Academy of Agricultural Sciences, Suzhou 234000, China
| | - Nan Gu
- College of Life Sciences, Huaibei Normal University, Huaibei 235000, China
| | - Li-Fu Qian
- College of Life Sciences, Huaibei Normal University, Huaibei 235000, China
| | - Ya-Nan Zhang
- College of Life Sciences, Huaibei Normal University, Huaibei 235000, China.
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Liu Q, Yin MZ, Ma S, Gu N, Qian LF, Zhang YN, Li XM. Ligand-binding properties of chemosensory protein 1 in Callosobruchus chinensis to mung bean volatiles. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2023; 192:105394. [PMID: 37105632 DOI: 10.1016/j.pestbp.2023.105394] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2023] [Revised: 03/15/2023] [Accepted: 03/17/2023] [Indexed: 06/19/2023]
Abstract
Callosobruchus chinensis (Coleoptera: Fabaceae) is a worldwide pest that feeds exclusively on legumes, and is the most serious pest affecting mung beans. Usually, the insect olfactory system plays a predominant role in searching for host plants and egg-laying locations. Chemosensory proteins (CSPs), are mainly responsible for transporting specific odour molecules from the environment. In this study, we found that the CSP1 gene of adult C. chinensis displayed antennae-biased expression using quantitative real-time PCR (qRT-PCR) analysis. The binding properties of 23 mung bean volatiles were then determined through several analyses of in vitro recombinant CSP1 protein, including fluorescence competitive binding assay, homology modelling, molecular docking, and site-directed mutagenesis. Fluorescence competitive binding assays showed that CchiCSP1 protein could bind to four mung bean volatiles and was most stable at pH 7.4. After site-directed mutation of three key amino acid bases (L39, V25, and Y35), their binding affinities to each ligand were significantly decreased or lost. This indicated that these three amino acid residues may be involved in the binding of CchiCSP1 to different ligands. We further used Y-tube behavioural bioassays to find that the four mung bean volatiles had a significant attraction or repulsion response in adult C. chinensis. The above findings confirm that the CchiCSP1 protein may be involved in the response of C. chinensis to mung bean volatiles and plays an important role in olfactory-related behaviours. The four active volatiles are expected to develop into new behavioural attractants or repellents in the future.
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Affiliation(s)
- Qiang Liu
- College of Life Sciences, Huaibei Normal University, Huaibei 235000, China
| | - Mao-Zhu Yin
- Institute of Plant Protection, Suzhou Academy of Agricultural Sciences, Suzhou 234000, China
| | - Sai Ma
- College of Life Sciences, Huaibei Normal University, Huaibei 235000, China
| | - Nan Gu
- College of Life Sciences, Huaibei Normal University, Huaibei 235000, China
| | - Li-Fu Qian
- College of Life Sciences, Huaibei Normal University, Huaibei 235000, China
| | - Ya-Nan Zhang
- College of Life Sciences, Huaibei Normal University, Huaibei 235000, China.
| | - Xiao-Ming Li
- College of Life Sciences, Huaibei Normal University, Huaibei 235000, China.
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Yang Y, Hua D, Zhu J, Wang F, Zhang Y. Chemosensory protein 4 is required for Bradysia odoriphaga to be olfactory attracted to sulfur compounds released from Chinese chives. Front Physiol 2022; 13:989601. [PMID: 36237523 PMCID: PMC9552003 DOI: 10.3389/fphys.2022.989601] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Accepted: 09/12/2022] [Indexed: 11/13/2022] Open
Abstract
Bradysia odoriphaga (Diptera: Sciaridae) is a serious pest of Chinese chives cultivated in China. Chemosensory proteins (CSPs) are important components of insect olfactory systems that capture and bind environmental semiochemicals which are then transported to olfactory receptors. Despite their importance, the mechanism of olfaction and related behavioral processes in B. odoriphaga have not been characterized. Here, we found that BodoCSP4 has an important olfactory function. RT-qPCR indicated that BodoCSP4 expression was highest in the heads (antennae removed) of adult males, followed by the antennae of adult males. Competitive binding assays with 33 ligands indicated that BodoCSP4 binds well with methyl allyl disulfide, diallyl disulfide, and n-heptadecane; the corresponding dissolution constants (Ki) were as high as 5.71, 5.71, and 6.85 μM, respectively. 3D-structural and molecular docking indicated that BodoCSP4 has five α-helices and surrounds the ligand with certain hydrophobic residues including Leu60, Leu63, Leu64, Ala67, Val28, Ile30, Ile33, Leu34, and Val86, suggesting these residues help BodoCSP4 bind to ligands. Silencing of BodoCSP4 significantly decreased the attraction of B. odoriphaga males to diallyl disulfide and n-heptadecane but not to methyl allyl disulfide in Y-tube olfaction assays. These results increase our understanding of how BodoCSP4 contributes to host and female localization by B. odoriphaga males.
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Affiliation(s)
- Yuting Yang
- Hubei Engineering Technology Center for Pest Forewarning and Management, Institute of Insect Sciences, Yangtze University, Jingzhou, Hubei, China
| | - Dengke Hua
- Institute of Agricultural Quality Standards and Testing Technology Research, Hubei Academy of Agricultural Sciences/Hubei Key Laboratory of Nutritional Quality and Safety of Agro Products, Wuhan, Hubei, China
| | - Jiaqi Zhu
- Hubei Engineering Technology Center for Pest Forewarning and Management, Institute of Insect Sciences, Yangtze University, Jingzhou, Hubei, China
| | - Fu Wang
- Hubei Engineering Technology Center for Pest Forewarning and Management, Institute of Insect Sciences, Yangtze University, Jingzhou, Hubei, China
| | - Youjun Zhang
- Hubei Engineering Technology Center for Pest Forewarning and Management, Institute of Insect Sciences, Yangtze University, Jingzhou, Hubei, China
- Department of Plant Protection, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing, China
- *Correspondence: Youjun Zhang,
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Cui Z, Liu Y, Wang G, Zhou Q. Identification and functional analysis of a chemosensory protein from Bactrocera minax (Diptera: Tephritidae). PEST MANAGEMENT SCIENCE 2022; 78:3479-3488. [PMID: 35567397 DOI: 10.1002/ps.6988] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 05/07/2022] [Accepted: 05/14/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Olfaction has an indispensable role in insect behavior, enabling location of suitable host plants and oviposition sites, finding mates and evasion of natural enemies. Chemosensory proteins (CSPs) function to screen external odorants and transport them to olfactory receptor neurons, thereby increasing the sensitivity of the olfactory system. At present, CSP genes have been identified in many insect species, but there are relatively few studies on the function of CSP, especially in Tephritidae. RESULTS In this study, we sequenced and analyzed 12 transcriptomes of Bactrocera minax and identified five CSP genes. The results of polymerase chain reactions with reverse transcription showed that BminCSP3 was highly expressed only in antennae. Results from competitive binding experiments showed that BminCSP3 has good binding ability to citral compared with 23 other volatile organic compounds. The docking model with citral showed hydrogen bond formation with residues (ARG97); however, no hydrogen bonds were formed in the docking of five other ligands (furfuryl alcohol, linalool, cis-3-hexenyl acetate, (R)-(+)-limonene and (+)-carvone). Electroantennogram (EAG) analyses revealed that citral was active in B. minax at the antennal level, and the EAG response value of female adults was significantly higher than that of male adults. Furthermore, the results of behavioral bioassays showed that females were significantly attracted to citral. CONCLUSION Our results suggest that BminCSP3 plays an important role in the recognition of citral by B. minax adults. © 2022 Society of Chemical Industry.
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Affiliation(s)
- Zhongyi Cui
- College of Life Sciences, Hunan Normal University, Changsha, China
| | - Yipeng Liu
- Shenzhen Branch, Guangdong Laboratory of Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China
| | - Guirong Wang
- Shenzhen Branch, Guangdong Laboratory of Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China
| | - Qiong Zhou
- College of Life Sciences, Hunan Normal University, Changsha, China
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Zhao G, Wang C, Wang Y, Wang L, Xu B, Guo X. Role of Apis cerana cerana N-terminal asparagine amidohydrolase (AccNtan1) in oxidative stress. J Biochem 2020; 168:337-348. [DOI: 10.1093/jb/mvaa071] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2019] [Accepted: 02/26/2020] [Indexed: 12/12/2022] Open
Abstract
AbstractN-Terminal asparagine amidohydrolase is a component of the ubiquitin-dependent N-end rule pathway of protein degradation that has been implicated in a variety of physiological functions, including the sensing of heme, oxygen, nitric oxide, selective elimination of misfolded proteins and the repair of DNA. We identified the Apis cerana cerana N-terminal asparagine amidohydrolase (AccNtan1) gene from A. cerana cerana and investigated its role in oxidation resistance. Multiple sequence alignments and phylogenetic analysis revealed that N-terminal asparagine amidohydrolase is highly conserved in insect species. Quantitative real-time polymerase chain reaction analysis indicated that the expression levels of AccNtan1 were significantly lower in the wing, honey sac and abdomen than in other tissues and were significantly higher in early stages of development, including the larva, prepupa and pink-eyed pupa stages, than in later stages. We further observed that AccNtan1 expression was induced by several environmental stressors, including aberrant temperature, H2O2, UV, heavy metals and pesticides. Moreover, a bacteriostatic assay suggested that overexpression of AccNtan1 enhances the resistance of bacteria to oxidative stress. In addition, knockdown of AccNtan1 using RNA interference significantly affected the expression levels of most antioxidant genes and the activity levels of several antioxidant enzymes. Thus, we hypothesize that AccNtan1 plays important roles in environmental stress responses and antioxidative processes.
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Affiliation(s)
- Guangdong Zhao
- State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Daizong Road No.61, Taian, Shandong 271018, PR China
| | - Chen Wang
- State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Daizong Road No.61, Taian, Shandong 271018, PR China
| | - Ying Wang
- College of Animal Science and Technology, Shandong Agricultural University, Daizong Road No.61, Taian, Shandong 271018, PR China
| | - Lijun Wang
- State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Daizong Road No.61, Taian, Shandong 271018, PR China
| | - Baohua Xu
- College of Animal Science and Technology, Shandong Agricultural University, Daizong Road No.61, Taian, Shandong 271018, PR China
| | - Xingqi Guo
- State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Daizong Road No.61, Taian, Shandong 271018, PR China
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Liu G, Xuan N, Rajashekar B, Arnaud P, Offmann B, Picimbon JF. Comprehensive History of CSP Genes: Evolution, Phylogenetic Distribution and Functions. Genes (Basel) 2020; 11:genes11040413. [PMID: 32290210 PMCID: PMC7230875 DOI: 10.3390/genes11040413] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Revised: 03/29/2020] [Accepted: 04/06/2020] [Indexed: 02/07/2023] Open
Abstract
In this review we present the developmental, histological, evolutionary and functional properties of insect chemosensory proteins (CSPs) in insect species. CSPs are small globular proteins folded like a prism and notoriously known for their complex and arguably obscure function(s), particularly in pheromone olfaction. Here, we focus on direct functional consequences on protein function depending on duplication, expression and RNA editing. The result of our analysis is important for understanding the significance of RNA-editing on functionality of CSP genes, particularly in the brain tissue.
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Affiliation(s)
- Guoxia Liu
- Biotechnology Research Center, Shandong Academy of Agricultural Sciences, Jinan 250100, China; (G.L.); (N.X.)
| | - Ning Xuan
- Biotechnology Research Center, Shandong Academy of Agricultural Sciences, Jinan 250100, China; (G.L.); (N.X.)
| | - Balaji Rajashekar
- Institute of Computer Science, University of Tartu, Tartu 50090, Estonia;
| | - Philippe Arnaud
- Protein Engineering and Functionality Unit, University of Nantes, 44322 Nantes, France; (P.A.); (B.O.)
| | - Bernard Offmann
- Protein Engineering and Functionality Unit, University of Nantes, 44322 Nantes, France; (P.A.); (B.O.)
| | - Jean-François Picimbon
- Biotechnology Research Center, Shandong Academy of Agricultural Sciences, Jinan 250100, China; (G.L.); (N.X.)
- School of Bioengineering, Qilu University of Technology, Jinan 250353, China
- Correspondence: ; Tel.: +86-531-89631190
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Zhao H, Du Y, Gao P, Wang S, Pan J, Jiang Y. Antennal Transcriptome and Differential Expression Analysis of Five Chemosensory Gene Families from the Asian Honeybee Apis cerana cerana. PLoS One 2016; 11:e0165374. [PMID: 27776190 PMCID: PMC5077084 DOI: 10.1371/journal.pone.0165374] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2016] [Accepted: 10/11/2016] [Indexed: 11/18/2022] Open
Abstract
Chemosensory genes play a central role in sensing chemical signals and guiding insect behavior. The Chinese honeybee, Apis cerana cerana, is one of the most important insect species in China in terms of resource production, and providing high-quality products for human consumption, and also serves as an important pollinator. Communication and foraging behavior of worker bees is likely linked to a complex chemosensory system. Here, we used transcriptome sequencing on adult A. c. cerana workers of different ages to identify the major chemosensory gene families and the differentially expressed genes(DEGs), and to investigate their expression profiles. A total of 109 candidate chemosensory genes in five gene families were identified from the antennal transcriptome assemblies, including 17 OBPs, 6 CSPs, 74 ORs, 10 IRs, and 2SNMPs, in which nineteen DEGs were screened and their expression values at different developmental stages were determined in silico. No chemosensory transcript was specific to a certain developmental period. Thirteen DEGs were upregulated and 6were downregulated. We created extensive expression profiles in six major body tissues using qRT-PCR and found that most DEGs were exclusively or primarily expressed in antennae. Others were abundantly expressed in the other tissues, such as head, thorax, abdomen, legs, and wings. Interestingly, when a DEG was highly expressed in the thorax, it also had a high level of expression in legs, but showed a lowlevel in antennae. This study explored five chemoreceptor superfamily genes using RNA-Seq coupled with extensive expression profiling of DEGs. Our results provide new insights into the molecular mechanism of odorant detection in the Asian honeybee and also serve as an extensive novel resource for comparing and investigating olfactory functionality in hymenopterans.
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Affiliation(s)
- Huiting Zhao
- College of Life Science, Shanxi Agricultural University, Taigu, Shanxi, China
| | - Yali Du
- College of Animal Science and Technology, Shanxi Agricultural University, Taigu, Shanxi, China
| | - Pengfei Gao
- College of Animal Science and Technology, Shanxi Agricultural University, Taigu, Shanxi, China
| | - Shujie Wang
- College of Animal Science and Technology, Shanxi Agricultural University, Taigu, Shanxi, China
| | - Jianfang Pan
- College of Animal Science and Technology, Shanxi Agricultural University, Taigu, Shanxi, China
| | - Yusuo Jiang
- College of Animal Science and Technology, Shanxi Agricultural University, Taigu, Shanxi, China
- * E-mail:
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Chemosensory proteins of the eastern honeybee, Apis cerana: Identification, tissue distribution and olfactory related functional characterization. Comp Biochem Physiol B Biochem Mol Biol 2016; 194-195:11-9. [DOI: 10.1016/j.cbpb.2015.11.014] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2015] [Revised: 10/20/2015] [Accepted: 11/05/2015] [Indexed: 11/18/2022]
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Han B, Fang Y, Feng M, Lu X, Huo X, Meng L, Wu B, Li J. In-depth phosphoproteomic analysis of royal jelly derived from western and eastern honeybee species. J Proteome Res 2014; 13:5928-43. [PMID: 25265229 DOI: 10.1021/pr500843j] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The proteins in royal jelly (RJ) play a pivotal role in the nutrition, immune defense, and cast determination of honeybee larvae and have a wide range of pharmacological and health-promoting functions for humans as well. Although the importance of post-translational modifications (PTMs) in protein function is known, investigation of protein phosphorylation of RJ proteins is still very limited. To this end, two complementary phosphopeptide enrichment materials (Ti(4+)-IMAC and TiO2) and high-sensitivity mass spectrometry were applied to establish a detailed phosphoproteome map and to qualitatively and quantitatively compare the phosphoproteomes of RJ produced by Apis mellifera ligustica (Aml) and Apis cerana cerana (Acc). In total, 16 phosphoproteins carrying 67 phosphorylation sites were identified in RJ derived from western bees, and nine proteins phosphorylated on 71 sites were found in RJ produced by eastern honeybees. Of which, eight phosphorylated proteins were common to both RJ samples, and the same motif ([S-x-E]) was extracted, suggesting that the function of major RJ proteins as nutrients and immune agents is evolutionary preserved in both of these honeybee species. All eight overlapping phosphoproteins showed significantly higher abundance in Acc-RJ than in Aml-RJ, and the phosphorylation of Jelleine-II (an antimicrobial peptide, TPFKLSLHL) at S(6) in Acc-RJ had stronger antimicrobial properties than that at T(1) in Aml-RJ even though the overall antimicrobial activity of Jelleine-II was found to decrease after phosphorylation. The differences in phosphosites, peptide abundance, and antimicrobial activity of the phosphorylated RJ proteins indicate that the two major honeybee species employ distinct phosphorylation strategies that align with their different biological characteristics shaped by evolution. The phosphorylation of RJ proteins are potentially driven by the activity of extracellular serine/threonine protein kinase FAM20C-like protein (FAM20C-like) through the [S-x-E] motif, which is supported by evidence that mRNA and protein expression of FAM20C-like protein kinase are both found in the highest level in the hypopharyngeal gland of nurse bees. Our data represent the first comprehensive RJ phosphorylation atlas, recording patterns of phosphorylated RJ protein abundance and antibacterial activity of some RJ proteins in two major managed honeybee species. These data constitute a firm basis for future research to better understand the biological roles of each RJ protein for honeybee biology and human health care.
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Affiliation(s)
- Bin Han
- Institute of Apicultural Research/Key Laboratory of Pollinating Insect Biology, Ministry of Agriculture, Chinese Academy of Agricultural Science , Beijing 100093, China
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Feng M, Ramadan H, Han B, Fang Y, Li J. Hemolymph proteome changes during worker brood development match the biological divergences between western honey bees (Apis mellifera) and eastern honey bees (Apis cerana). BMC Genomics 2014; 15:563. [PMID: 24996860 PMCID: PMC4111844 DOI: 10.1186/1471-2164-15-563] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2014] [Accepted: 07/03/2014] [Indexed: 11/25/2022] Open
Abstract
Background Hemolymph plays key roles in honey bee molecule transport, immune defense, and in monitoring the physiological condition. There is a lack of knowledge regarding how the proteome achieves these biological missions for both the western and eastern honey bees (Apis mellifera and Apis cerana). A time-resolved proteome was compared using two-dimensional electrophoresis-based proteomics to reveal the mechanistic differences by analysis of hemolymph proteome changes between the worker bees of two bee species during the larval to pupal stages. Results The brood body weight of Apis mellifera was significantly heavier than that of Apis cerana at each developmental stage. Significantly, different protein expression patterns and metabolic pathways were observed in 74 proteins (166 spots) that were differentially abundant between the two bee species. The function of hemolymph in energy storage, odor communication, and antioxidation is of equal importance for the western and eastern bees, indicated by the enhanced expression of different protein species. However, stronger expression of protein folding, cytoskeletal and developmental proteins, and more highly activated energy producing pathways in western bees suggests that the different bee species have developed unique strategies to match their specific physiology using hemolymph to deliver nutrients and in immune defense. Conclusions Our disparate findings constitute a proof-of-concept of molecular details that the ecologically shaped different physiological conditions of different bee species match with the hemolymph proteome during the brood stage. This also provides a starting point for future research on the specific hemolymph proteins or pathways related to the differential phenotypes or physiology. Electronic supplementary material The online version of this article (doi:10.1186/1471-2164-15-563) contains supplementary material, which is available to authorized users.
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Affiliation(s)
| | | | | | | | - Jianke Li
- Institute of Apicultural Research/Key Laboratory of Pollinating Insect Biology, Ministry of Agriculture, Chinese Academy of Agricultural Science, Beijing 100093, China.
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Liu GX, Xuan N, Chu D, Xie HY, Fan ZX, Bi YP, Picimbon JF, Qin YC, Zhong ST, Li YF, Gao ZL, Pan WL, Wang GY, Rajashekar B. Biotype expression and insecticide response of Bemisia tabaci chemosensory protein-1. ARCHIVES OF INSECT BIOCHEMISTRY AND PHYSIOLOGY 2014; 85:137-151. [PMID: 24478049 DOI: 10.1002/arch.21148] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Chemosensory proteins (CSPs) are a group of small soluble proteins found so far exclusively in arthropod species. These proteins act in chemical communication and perception. In this study, a gene encoding the Type 1 CSP (BtabCSP1) from the agricultural pest Bemisia tabaci (whitefly) was analyzed to understand sequence variation and expression specificity in different biotypes. Sequence analysis of BtabCSP1 showed significant differences between the two genetically characterized biotypes, B and Q. The B-biotype had a larger number of BtabCSP1 mutations than the Q-biotype. Similar to most other CSPs, BtabCSP1 was more expressed in the head than in the rest of the body. One-step RT-PCR and qPCR analysis on total messenger RNA showed that biotype-Q had higher BtabCSP1 expression levels than biotype-B. Females from a mixed field-population had high levels of BtabCSP1 expression. The interaction of BtabCSP1 with the insecticide thiamethoxam was investigated by analyzing the BtabCSP1 expression levels following exposure to the neonicotinoid, thiamethoxam, in a time/dose-response study. Insecticide exposure increased BtabCSP1 expression (up to tenfold) at 4 and 24 h following 50 or 100 g/ml treatments.
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Affiliation(s)
- Guo Xia Liu
- Biotechnology Research Center, Shandong Academy of Agricultural Sciences, Shandong Provincial Key Laboratory for Genetic Improvement Cultivation and Physiology of Crops, Jinan, China
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Li H, Zhang L, Ni C, Shang H, Zhuang S, Li J. Molecular recognition of floral volatile with two olfactory related proteins in the Eastern honeybee (Apis cerana). Int J Biol Macromol 2013; 56:114-21. [DOI: 10.1016/j.ijbiomac.2013.01.032] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2013] [Revised: 01/27/2013] [Accepted: 01/28/2013] [Indexed: 11/24/2022]
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Impedance sensing and molecular modeling of an olfactory biosensor based on chemosensory proteins of honeybee. Biosens Bioelectron 2012; 40:174-9. [PMID: 22902534 DOI: 10.1016/j.bios.2012.07.011] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2012] [Revised: 06/27/2012] [Accepted: 07/10/2012] [Indexed: 11/20/2022]
Abstract
By mimicking biological olfaction, biosensors have been used for the detection of important ligands in complex environments. An olfactory biosensor based on chemosensory proteins (CSPs) was designed by immobilizing honeybee CSPs (Ac-ASP3) on the interdigitated golden electrodes. Its responses to ligands of pheromones and floral odors were recorded by impedance spectroscopy. The relative decrease of charge transfer resistance of the biosensor is proportional to the logarithm of ligand concentration from 10(-7)M to 10(-3)M. To explore the molecular recognition processes of the biosensor, the tertiary structure of the protein was modeled and the protein-ligand interactions were investigated by the molecular docking. Our docking results verified the validity of experiments and showed that the specific ligands could form hydrogen bonds with some of the conserved residues, such as Cys 60 and Gln 64 of Ac-ASP3. Furthermore, combining the molecular modeling with impedance detection, the accuracy, specificity and predictability of the ligands binding to the protein could be improved. Thus, CSPs will provide a promising approach for chemical molecular sensing at low concentrations.
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