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1. Evolution of sex pheromone receptors in Dendrolimus punctatus Walker (lepidoptera: Lasiocampidae) is divergent from other moth species

Author:
Shen, Sifan; Cao, Song; Zhang, Zhen; Kong, Xiangbo; Liu, Fu; Wang, Guirong; Zhang, Sufang
Source:
Insect biochemistry and molecular biology 2020 v.122 pp. 103375
ISSN:
0965-1748
Subject:
antennae,   etc   ; Dendrolimus punctatus; Xenopus; chemoreceptors; defoliation; genes; ligands; males; moths; oocytes; pests; phylogeny; sex pheromones; China;     Show all 14 Subjects
Abstract:
... Dendrolimus punctatus Walker (Lepidoptera: Lasiocampidae) is a pine caterpillar moth distributed in most areas of southern China and is an economically important pest of pine, due to its defoliation activity. Understanding fundamental sex pheromone perception mechanisms in D. punctatus may provide effective and sustainable options for novel control strategies. However, the identification and funct ...
DOI:
10.1016/j.ibmb.2020.103375

2. Sex pheromone of the aerial root mealybug, Pseudococcus baliteus: A unique monoterpenoid containing an α-hydroxyketone moiety

Author:
Tabata, Jun; Kamo, Tsunashi; Watanabe, Tomohiro; Kinsho, Takeshi
Source:
Tetrahedron letters 2020 v.61 no.17 pp. 151802
ISSN:
0040-4039
Subject:
antennae,   etc   ; Pseudococcus; adults; chemical reactions; electrophysiology; enantioselectivity; esters; females; males; mass spectrometry; moieties; monoterpenoids; sex pheromones;     Show all 13 Subjects
Abstract:
... A single compound that elicited an electrophysiological response from conspecific male antennae was isolated from volatiles emitted by adult females of the aerial root mealybug, Pseudococcus baliteus. Mass spectrometry and nuclear resonance spectroscopy analyses, as well as enantioselective syntheses, revealed the structure to be 2-((S)-1,2,2-trimethyl-3-cyclopentenyl)-2-oxoethyl (S)-2-methylbutyr ...
DOI:
10.1016/j.tetlet.2020.151802

3. Transcriptome analysis of antennal cytochrome P450s and their transcriptional responses to plant and locust volatiles in Locusta migratoria

Author:
Wu, Haihua; Liu, Yongmei; Shi, Xuekai; Zhang, Xueyao; Ye, Changlü; Zhu, Kun Yan; Zhu, Fang; Zhang, Jianzhen; Ma, Enbo
Source:
International journal of biological macromolecules 2020 v.149 pp. 741-753
ISSN:
0141-8130
Subject:
antennae,   etc   ; Locusta migratoria; biosynthesis; cytochrome P-450; enzymes; mitochondria; odor compounds; phylogeny; transcription (genetics); transcriptomics;     Show all 10 Subjects
Abstract:
... Cytochrome P450 monooxygenases (P450s) constitute a large superfamily of heme-thiolate proteins that are involved in the biosynthesis or degradation of endogenous compounds and detoxification of exogenous chemicals. It has been reported that P450s could serve as odorant-degrading enzymes (ODEs) to inactivate odorants to avoid saturating the antennae. However, there is little information about P450 ...
DOI:
10.1016/j.ijbiomac.2020.01.309

4. Morphological Aspects of Antennal Sensilla of the Rhodnius brethesi Matta, 1919 (Hemiptera: Reduviidae) from the Negro River, Amazon Region of Brazil

Author:
Freitas, Simone Patrícia Carneiro; Santos, Laura Cristina; de Souza, Amanda Coutinho; Junqueira, Angela Cristina Verissimo
Source:
Journal of parasitology research 2020 v.2020
ISSN:
2090-0031
Subject:
antennae,   etc   ; Arecaceae; Rhodnius; chemical communication; habitats; odor compounds; rivers; scanning electron microscopy; sensilla; synapomorphy; Amazonia; Brazil;     Show all 12 Subjects
Abstract:
... Studies conducted in river Ererê located in the left margin of Negro River, municipality of Barcelos, state of Amazonas, have confirmed that Rhodnius brethesi has as its natural habitat the palm tree Leopoldinia piassaba. By scanning electron microscopy, sensillum type was studied on the antennae of R. brethesi. The specimens used come from the field and laboratory colony. No differences were obse ...
DOI:
10.1155/2020/7687041
PubMed:
32257422
PubMed Central:
PMC7106928

5. Comparative study with scanning electron microscopy on the antennal sensilla of two main castes of Coptotermes formosanus Shiraki (Blattaria:Rhinotermitidae)

Author:
Fu, Bing-Xian; Rong, Nian-Hang; Hong, Jian; Zhu, Zeng-Rong; Mo, Jian-Chu; Zhang, Dayu
Source:
Micron 2020 v.129 pp. 102777
ISSN:
0968-4328
Subject:
antennae,   etc   ; Coptotermes formosanus; appendages; comparative study; dimorphism; insects; mechanoreceptors; scanning electron microscopy; sensilla; social behavior;     Show all 10 Subjects
Abstract:
... Sensilla on antennae of the workers and soldiers of Coptotermes formosanus Shiraki were examined by scanning electron microscopy in this study. As the two castes were allocated totally different tasks in the termite colony, we wondered if there was a big difference between their antennae which were recognized as the main sensory appendages of insects. Therefore, detailed information about the morp ...
DOI:
10.1016/j.micron.2019.102777

6. Design principles of solar light harvesting in plants: Functional architecture of the monomeric antenna CP29

Author:
Mascoli, Vincenzo; Novoderezhkin, Vladimir; Liguori, Nicoletta; Xu, Pengqi; Croce, Roberta
Source:
Biochimica et biophysica acta 2020 v.1861 no.3 pp. 148156
ISSN:
0005-2728
Subject:
antennae,   etc   ; Chlorophyta; chlorophyll; chlorophyll binding proteins; energy conversion; models; mutational analysis; photons; photosynthetic reaction centers; photosystem II; solar radiation; spectroscopy;     Show all 12 Subjects
Abstract:
... In plants and green algae, light-harvesting complexes (LHCs) are a large family of chlorophyll binding proteins functioning as antennae, collecting solar photons and transferring the absorbed energy to the photosynthetic reaction centers, where light to chemical energy conversion begins. Although LHCs are all highly homologous in their structure and display a variety of common features, each compl ...
DOI:
10.1016/j.bbabio.2020.148156

7. Saxitoxin-producing Raphidiopsis raciborskii (cyanobacteria) inhibits swimming and physiological parameters in Daphnia similis

Author:
Ferrão-Filho, Aloysio da S.; da Silva, Diego Amparo C.
Source:
The Science of the total environment 2020 v.706 pp. 135751
ISSN:
0048-9697
Subject:
antennae,   etc   ; Daphnia similis; Raphidiopsis; adults; animals; cameras; claws; feeding behavior; females; heart rate; neonates; neurotoxicity; oxygen; paralysis; swimming;     Show all 15 Subjects
Abstract:
... In this study we tested the effects of a neurotoxic strain of the cyanobacterium Raphidiopsis raciborskii (CYRF-01) on the swimming activity and physiological parameters of Daphnia similis such as movements of the antennae, thoracic limbs, post-abdominal claw and heart rate. An acute assay was performed to test the effect on swimming activity, exposing newborns (<24 h) to different concentrations ...
DOI:
10.1016/j.scitotenv.2019.135751

8. Nix is a male-determining factor in the Asian tiger mosquito Aedes albopictus

Author:
Liu, Peiwen; Jin, Binbin; Li, Xiaocong; Zhao, Yijie; Gu, Jinbao; Biedler, James K.; Tu, Zhijian Jake; Chen, Xiao-Guang
Source:
Insect biochemistry and molecular biology 2020 v.118 pp. 103311
ISSN:
0965-1748
Subject:
antennae,   etc   ; Aedes aegypti; Aedes albopictus; CRISPR-Cas systems; animal ovaries; females; feminization; gene editing; genes; insects; males; sex determination; testes;     Show all 13 Subjects
Abstract:
... The initial signal that governs sex determination is highly variable among insects. A homolog of Nix, the male-determining factor in Aedes aegypti, was previously found in the Asian tiger mosquito Ae. albopictus. Here we show that the Ae. albopictus Nix (AalNix) is more complex in gene structure and splice isoforms than its Ae. aegypti homolog (AaeNix). AalNix shows a similar transcription profile ...
DOI:
10.1016/j.ibmb.2019.103311

9. CcOBP2 plays a crucial role in 3-carene olfactory response of the parasitoid wasp Chouioia cunea

Author:
Pan, Lina; Xiang, Weifang; Sun, Zeyang; Yang, Yixin; Han, Jiayi; Wang, Yonghui; Yan, Chuncai; Li, Min
Source:
Insect biochemistry and molecular biology 2020 v.117 pp. 103286
ISSN:
0965-1748
Subject:
antennae,   etc   ; amino acids; carene; computer simulation; electroantennography; fluorescence; insects; natural enemies; parasitic wasps; pupae; semiochemicals; signal transduction; volatile compounds;     Show all 13 Subjects
Abstract:
... Chouioia cunea (Yang) is a pupal parasitoid wasp and this species is able to seek host insects depending on its olfactory system. However, the molecular mechanism of the olfactory system in the C. cunea is still limited. To identify putative semiochemicals bound to CcOBP2, a protein specifically expressed in antennae, 14 compounds from the pupae of H. cunea and 11 common volatile compounds from pl ...
DOI:
10.1016/j.ibmb.2019.103286

10. Molecular characterization and volatile binding properties of pheromone binding proteins and general odorant binding proteins in Conogethes pinicolalis (Lepidoptera: Crambidae)

Author:
Jing, Dapeng; Zhang, Tiantao; Prabu, Sivaprasath; Bai, Shuxiong; He, Kanglai; Wang, Zhenying
Source:
International journal of biological macromolecules 2020 v.146 pp. 263-272
ISSN:
0141-8130
Subject:
antennae,   etc   ; Conogethes punctiferalis; active sites; amino acid sequences; binding capacity; binding proteins; computer simulation; dominant genes; fluorescence; gene expression; host plants; odor compounds; phylogeny; sex pheromones;     Show all 14 Subjects
Abstract:
... Conogethes pinicolalis (Lepidoptera: Crambidae), a major pine pest, possesses a sensitive olfactory system to locate its host. Pheromone binding proteins (PBPs) and general odorant binding proteins (GOBPs) are two types of proteins involved in the process. In this work, we used phylogenetic analysis, gene expression, fluorescence competitive binding assay, and molecular docking to characterize PBP ...
DOI:
10.1016/j.ijbiomac.2019.12.248

11. Functional characterization of two spliced variants of fructose gustatory receptor in the diamondback moth, Plutella xylostella

Author:
Liu, Xiao-Long; Sun, Si-Jie; Hou, Wen; Zhang, Jin; Yan, Qi; Dong, Shuang-Lin
Source:
Pesticide biochemistry and physiology 2020 v.164 pp. 7-13
ISSN:
0048-3575
Subject:
antennae,   etc   ; Plutella xylostella; Xenopus; adults; females; fructose; genes; insect pests; moths; oocytes; oviposition; pest control; plant pests; proboscis; receptors; reverse transcriptase polymerase chain reaction; sensory neurons; taste; tissues;     Show all 19 Subjects
Abstract:
... Insect gustatory system plays important roles in multiple behaviors including feeding, mating, and oviposition. Gustatory receptors (GRs), located on the dendritic membrane of gustatory sensory neurons (GSNs), are crucial in peripheral coding of non-volatile compounds. However, GRs and their detailed functions remain poorly understood in lepidopteran pests. In the present work, focusing on GR gene ...
DOI:
10.1016/j.pestbp.2019.12.002

12. Detecting Host-Plant Volatiles with Odorant Receptors from Grapholita molesta (Busck) (Lepidoptera: Tortricidae)

Author:
Chen, Lihui; Tian, Ke; Xu, Xiangli; Fang, Aisheng; Cheng, Weining; Wang, Guirong; Liu, Wei; Wu, Junxiang
Source:
Journal of agricultural and food chemistry 2020 v.68 no.9 pp. 2711-2717
ISSN:
1520-5118
Subject:
antennae,   etc   ; Grapholita molesta; Xenopus; adults; aldehydes; electroantennography; females; genes; host plants; insect control; insects; males; odor compounds; odorant receptors; oocytes; pests; pome fruits; quantitative polymerase chain reaction;     Show all 18 Subjects
Abstract:
... Grapholita molesta is a global pest of stone and pome fruits. The sensitive olfactory system plays a crucial role in regulating key behavioral activities of insects and G. molesta relies heavily on general odorant receptors (ORs) to detect host-plant volatiles. In this study, three general OR genes from G. molesta (GmolOR12, GmolOR20, and GmolOR21) were identified. Quantitative polymerase chain re ...
DOI:
10.1021/acs.jafc.9b07305

13. Emeryia, Xenometra, zoserka: it's a boy, again! The misleading morphology of Cardiocondyla male ants

Author:
Heinze, J.
Source:
Insectes sociaux 2020 v.67 no.1 pp. 139-146
ISSN:
0020-1812
Subject:
antennae,   etc   ; Cardiocondyla; boys; cytochrome-c oxidase; females; floodplains; holotypes; male genitalia; males; mitochondria; national parks; ocelli; parasites; rivers; social insects; wings; Cote d'Ivoire; Nigeria;     Show all 18 Subjects
Abstract:
... Wingless “ergatoid” males of the ant genus Cardiocondyla have repeatedly been described as females of novel genera of workerless social parasites (Emeryia and Xenometra), which after recognition of their real nature were synonymized with Cardiocondyla. Examination of ants newly collected from Comoé National Park in Côte d’Ivoire, West Africa revealed that winged Cardiocondyla males have sparked a ...
DOI:
10.1007/s00040-019-00737-5

14. Functional characterization of odorant receptors from the moth Eriocrania semipurpurella: A comparison of results in the Xenopus oocyte and HEK cell systems

Author:
Hou, Xiaoqing; Zhang, Dan-Dan; Yuvaraj, Jothi Kumar; Corcoran, Jacob A.; Andersson, Martin N.; Löfstedt, Christer
Source:
Insect biochemistry and molecular biology 2020 v.117 pp. 103289
ISSN:
0965-1748
Subject:
antennae,   etc   ; Eriocrania; Xenopus; antagonists; beta-caryophyllene; chemoreceptors; enantiomers; genes; heterologous gene expression; human cell lines; in situ hybridization; kidneys; moths; odorant receptors; oocytes; pheromones; sensory neurons;     Show all 17 Subjects
Abstract:
... The Xenopus oocyte and the Human Embryonic Kidney (HEK) 293 cell expression systems are frequently used for functional characterization (deorphanization) of insect odorant receptors (ORs). However, the inherent characteristics of these heterologous systems differ in several aspects, which raises the question of whether the two systems provide comparable results, and how well the results correspond ...
DOI:
10.1016/j.ibmb.2019.103289

15. Molecular characterization and functional analysis of a novel candidate of cuticle carboxylesterase in Spodoptera exigua degradating sex pheromones and plant volatile esters

Author:
He, Peng; Mang, Ding-Ze; Wang, Hong; Wang, Mei-Mei; Ma, Yu-Feng; Wang, Jun; Chen, Guang-Lei; Zhang, Fan; He, Ming
Source:
Pesticide biochemistry and physiology 2020 v.163 pp. 227-234
ISSN:
0048-3575
Subject:
antennae,   etc   ; Spodoptera exigua; acetates; amino acids; carboxylesterase; complementary DNA; enzyme activity; hexanoic acid; males; moths; odor compounds; odorant receptors; plant pests; recombinant proteins; sex pheromones; smell;     Show all 16 Subjects
Abstract:
... Odorant-degrading enzymes (ODEs) are considered to play key roles in odorant inactivation to maintain the odorant receptor sensitivity of insects. Some members of carboxylesterase (CXE) is a major sub-family of ODEs. However, only a few CXEs have been functionally characterized so far. In the present study, we cloned the antennal esterase SexiCXE11 cDNA full-length sequences from the male antennae ...
DOI:
10.1016/j.pestbp.2019.11.022

16. Molecular Characterization, Expression and Binding Specificity Analysis of the Odorant-Binding Proteins of Scleroderma sichuanensis Xiao (Hymenoptera: Bethylidae)

Author:
Tao, Yuan-Yuan; Zhu, Xiao-Qing; Yang, Wei; Yang, Hua; Yang, Chun-Ping; Guan, Feng-Rong; Han, Qing-Long
Source:
Journal of the Kansas Entomological Society 2020 v.92 no.2 pp. 459-479
ISSN:
0022-8567
Subject:
antennae,   etc   ; Pinus massoniana; Scleroderma sichuanensis; alpha-pinene; beta-pinene; binding capacity; fluorescent dyes; hosts; ocimene; odorant receptors; parasitic wasps; quantitative polymerase chain reaction; smell;     Show all 13 Subjects
Abstract:
... Odorant-binding proteins (OBPs) play an important role in the sense of smell in parasitoid wasps, especially for locating hosts and mates. Clarifying the role of OBPs in information exchanges between parasitoid wasps and their environment is beneficial for understanding the sense of smell in parasitoid wasps. To this end, we cloned the OBPs, SsicOBP1 and SsicOBP2 (GenBank accession numbers: AKP805 ...
DOI:
10.2317/0022-8567-92.2.459

17. Functional characterization of a binding protein for Type-II sex pheromones in the tea geometrid moth Ectropis obliqua Prout

Author:
Yan, Yuting; Zhang, Yuxing; Tu, Xiaohui; Wang, Qian; Li, Yujie; Li, Hongyue; Wang, Qi; Zhang, Yongjun; Sun, Liang
Source:
Pesticide biochemistry and physiology 2020 v.165 pp. 104542
ISSN:
0048-3575
Subject:
antennae,   etc   ; Ectropis obliqua; acetates; binding capacity; binding proteins; evolution; fluorescence in situ hybridization; genes; hydrocarbons; insect pests; leaves; males; models; moths; quantitative polymerase chain reaction; sensilla; sex pheromones; tea;     Show all 18 Subjects
Abstract:
... The tea geometrid moth Ectropis obliqua Prout is one of the most serious moth pests in tea plants, and its sex pheromones have been identified as typical Type-II polyunsaturated hydrocarbons and epoxide derivatives. Therefore, the E. obliqua male olfactory system provides a good model to study the molecular basis of Type-II sex pheromone recognition as well as functional gene evolution towards str ...
DOI:
10.1016/j.pestbp.2020.02.008

18. Heterogeneous expression of the ammonium transporter AgAmt in chemosensory appendages of the malaria vector, Anopheles gambiae

Author:
Ye, Zi; Liu, Feng; Sun, Huahua; Barker, Mackenzie; Pitts, R. Jason; Zwiebel, Laurence J.
Source:
Insect biochemistry and molecular biology 2020 v.120 pp. 103360
ISSN:
0965-1748
Subject:
antennae,   etc   ; Anopheles gambiae; Drosophila melanogaster; ammonia; ammonium; appendages; females; functional properties; genetic engineering; heterologous gene expression; host seeking; imagos; insect larvae; insect vectors; kairomones; lymph; mosquito control; palps; receptors; reverse transcriptase polymerase chain reaction; sensilla; sensory neurons; transporters;     Show all 23 Subjects
Abstract:
... Ammonia is one of the principal kairomones originating from human and other animal emanations and in that context, plays an essential role in the host-seeking behaviors of the malaria vector mosquito Anopheles gambiae. Nevertheless, despite its importance in directing host-seeking, the mechanisms underlying ammonia detection in the mosquito olfactory system remains largely unknown. In addition to ...
DOI:
10.1016/j.ibmb.2020.103360
PubMed:
32126276
PubMed Central:
PMC7161093

19. Sex‐biased gene expression in antennae of Drosophila suzukii

Author:
Ahn, Seung‐Joon; Oh, Hyun‐Woo; Corcoran, Jacob; Kim, Ji‐Ae; Park, Kye‐Chung; Park, Chung Gyoo; Choi, Man‐Yeon
Source:
Archives of insect biochemistry and physiology 2020 v.104 no.1 pp. e21660
ISSN:
0739-4462
Subject:
antennae,   etc   ; Drosophila suzukii; cytochrome P-450; economic impact; eggs; females; fruits; gene expression; genes; host preferences; host seeking; males; odor compounds; odorant receptors; oviposition; ovipositor; pests; quantitative polymerase chain reaction; ripening; taste; transcriptome;     Show all 21 Subjects
Abstract:
... Drosophila suzukii differs from other members of the genus Drosophila in its host preference and oviposition behavior. The flies are attracted to ripening fruits, and females have a serrated ovipositor enabling eggs to be laid inside the fruit. In addition to its huge economic impact, its unique chemoecological, morphological, and physiological characteristics have garnered considerable research i ...
DOI:
10.1002/arch.21660

20. Systematic studies of Anopheles (Cellia) kochi (Diptera: Culicidae): Morphology, cytogenetics, cross-mating experiments, molecular evidence and susceptibility level to infection with nocturnally subperiodic Brugia malayi

Author:
Jatuwattana, Watchara; Saeung, Atiporn; Taai, Kritsana; Srisuka, Wichai; Thongsahuan, Sorawat; Aupalee, Kittipat; Poolphol, Petchaboon; Pusawang, Kanchon; Somboon, Pradya; Maleewong, Wanchai
Source:
Acta tropica 2020 v.205 pp. 105300
ISSN:
0001-706X
Subject:
antennae,   etc   ; Anopheles; Brugia malayi; cryptic species; cytochrome-c oxidase; cytogenetics; females; foregut; genetic distance; insect vectors; internal transcribed spacers; microfilariae; mitochondrial DNA; phylogeny; ribosomal DNA; scanning electron microscopy; sensilla; sequence homology; Bhutan; Cambodia; Indonesia; Thailand;     Show all 22 Subjects
Abstract:
... Anopheles kochi Dӧnitz (Diptera: Culicidae) is a malaria vector in some countries in South and Southeast Asia. This is the first report to provide clear evidence that two different cytological forms of An. kochi are conspecific based on systematic studies. Two karyotypic forms, i.e., Form A (X₁, X₂, Y₁) and a novel Form B (X₁, X₂, Y₂) were obtained from a total of 15 iso-female lines collected fro ...
DOI:
10.1016/j.actatropica.2019.105300