Article
Agronomy
Jiyuan Liu, Tong Zhou, Chaoxia Li, Ruichi Li, Xuan Ye, Zhen Tian
Summary: Through reverse chemical ecology, synergists for the Grapholita molesta sex pheromone were identified, with Codlemone showing high affinity to GmolPBP2. This synergist was validated through laboratory and field tests, leading to significant improvements in the efficacy of G. molesta sex attractants.
PEST MANAGEMENT SCIENCE
(2022)
Article
Agronomy
Jiyuan Liu, Tong Zhou, Ruichi Li, Zhen Tian
Summary: The study analyzed the binding modes of Cod and Dod in the binding pocket of GmolPBP2, revealing that the additional double bond in Cod improved its interaction with GmolPBP2, enhancing affinity and synergy.
PEST MANAGEMENT SCIENCE
(2022)
Article
Agriculture, Multidisciplinary
Lei Shang, Zi-Cong Li, Ke Tian, Bin Yang, Gui-Rong Wang, Ke-Jian Lin
Summary: In this study, 60 candidate odorant receptors, including eight pheromone receptors, were identified by antennal transcriptome analysis. It was found that GmolOR2 responds to the main sex pheromones Z8-12:OAc and E8-12:OAc, and knockdown of GmolOR2 significantly reduces the males' sensitivity to the main pheromones.
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
(2022)
Review
Neurosciences
Benjamin Fabian, Silke Sachse
Summary: This review recapitulates the establishment and original meaning of plasticity in neuroscience, introduces the basic composition of the insect olfactory system using Drosophila melanogaster as an example, and outlines experience-dependent plasticity effects observed in various insects. The recent advances in the study of experience-dependent plasticity effects in the olfactory system of D. melanogaster are highlighted, along with discussions on common research problems, overcoming methods, and future directions.
FRONTIERS IN CELLULAR NEUROSCIENCE
(2023)
Article
Multidisciplinary Sciences
Srinath Nizampatnam, Lijun Zhang, Rishabh Chandak, James Li, Baranidharan Raman
Summary: This article investigates the problem of stimulus recognition in the locust olfactory system. The researchers found that locusts can robustly recognize trained odorants even with various variations in stimuli. The results suggest that a linear statistical decoding scheme can resolve the issue of neural variability and behavioral stability.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2022)
Article
Biology
Cheyenne Tait, Hinal Kharva, Marco Schubert, Daniel Kritsch, Andy Sombke, Juergen Rybak, Jeffrey L. Feder, Shannon B. Olsson
Summary: Changes in behaviour can lead to rapid adaptive evolution and speciation, as seen in the fruit fly Rhagoletis pomonella. The reversal in sensory processing of key odours associated with host fruit preference between apple and hawthorn flies may drive ongoing ecological divergence and speciation. Specific neural pathway changes in sensory modalities could be a broad mechanism for animal behavior changes, contributing to the creation of new biodiversity.
PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
(2021)
Review
Cell Biology
Emiliano Marachlian, Martin Klappenbach, Fernando Locatelli
Summary: Honeybees are used extensively to study olfactory learning and memory processes due to their ability to discriminate and remember odors. Evidence suggests that changes in early olfactory processing contribute to the bees' ability to recognize relevant odors, facilitating discrimination adjusted to their own experience.
CELL AND TISSUE RESEARCH
(2021)
Article
Biology
Debora Fusca, Peter Kloppenburg
Summary: The study indicates that spiking GABAergic LNs show a uniform rise in intracellular calcium in all innervated glomeruli upon odorant stimulation, while nonspiking LNs exhibit odorant-specific and varied glomerular calcium signals, resulting in distinct, glomerulus-specific tuning curves. The cell type-specific differences in calcium dynamics suggest that spiking LNs primarily play a role in interglomerular signaling, while nonspiking LNs are important for intraglomerular signaling.
Article
Environmental Sciences
Hongshuang Wei, Shuqian Tan, Zhen Li, Jiancheng Li, Timothy W. Moural, Fang Zhu, Xiaoxia Liu
Summary: This study identified the roles of odorant degrading carboxylesterases (CXEs) in mating and foraging behaviors of Grapholita molesta by inactivating ester sex pheromones and host volatiles. The CXEs were shown to modulate the behavioral responses of G. molesta by degrading free ester odor molecules, highlighting their potential as molecular targets for pest management.
Article
Entomology
Zi Ye, Feng Liu, Nannan Liu
Summary: The Southern house mosquito Culex quinquefasciatus uses its olfactory system to locate human hosts for blood meals, transmitting deadly diseases in the process. The organization of glomeruli in the antennal lobe governs the insect's odor identification and discrimination, with specific connections between receptors and glomeruli shaping behaviors. Studies on the 3D structure of the antennal lobe provide insights into mosquito odor coding and signal processing mechanisms.
Article
Ecology
R. Keating Godfrey, Jill T. Oberski, Taylor Allmark, Caleb Givens, Jessica Hernandez-Rivera, Wulfila Gronenberg
Summary: This study investigated three species of odorous ants and found that brain structures were not related to colony size, but olfactory components involved in nestmate recognition in the antennal lobe were not scaled with body size. The authors suggest a potential link between colony size and sensory trait evolution based on differences observed in closely related species.
FRONTIERS IN ECOLOGY AND EVOLUTION
(2021)
Article
Biochemistry & Molecular Biology
Xiu-Lin Chen, Bo-Liao Li, Yu-Xin Chen, Guang-Wei Li, Jun-Xiang Wu
Summary: This study investigated the expression pattern of GmolOrco in Grapholita molesta and its role in detecting sex pheromones and green leaf volatiles. The results showed that GmolOrco had the highest expression in adult antennae and played a different role in male and female moth adults. Gene silencing through RNAi resulted in reduced responses to specific chemicals, indicating the importance of GmolOrco in olfaction of G. molesta.
ARCHIVES OF INSECT BIOCHEMISTRY AND PHYSIOLOGY
(2021)
Article
Behavioral Sciences
Harald Tichy, Alexander Martzok, Marlene Linhart, Lydia M. Zopf, Maria Hellwig
Summary: The initial representation of the instantaneous temporal information about food odor concentration in the antennal lobe was examined in this study. ON neurons encode the rapid concentration increase at pulse onset and the pulse duration, while OFF neurons encode the rapid concentration decrease at pulse offset and the duration of the pulse interval.
JOURNAL OF COMPARATIVE PHYSIOLOGY A-NEUROETHOLOGY SENSORY NEURAL AND BEHAVIORAL PHYSIOLOGY
(2023)
Article
Biology
Zhannetta V. Gugel, Elizabeth G. Maurais, Elizabeth J. Hong
Summary: In fruit flies, chronic exposure to odors at normal concentrations in natural environments has a mild effect on olfactory behavior. This is different from the effect of higher concentrations of odors, which reduce the aversion to familiar odors in fruit flies.
Article
Biochemistry & Molecular Biology
Yanjun Liu, Jianmei Yu, Fang Zhu, Zhongjian Shen, He Jiang, Zhen Li, Xiaoxia Liu, Huanli Xu
Summary: This study used Grapholita molesta as a model to investigate the effects of shifts in host plant diet on the profiles of cytochrome P450s and gut bacteria microbiome, as well as their effects on biopesticide adaptation. The results showed that the sensitivity of G. molesta to emamectin benzoate biopesticide was lower in fruit-feeding larvae compared to shoot-feeding larvae. Enhanced P450 enzyme activity and expression were observed in G. molesta fed on apples. The composition of the gut bacteria microbiome was determined by the final diet ingested, and dysbiosis induced by antibiotics increased the sensitivity to emamectin benzoate.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2023)
Article
Entomology
Wilson Barros-Parada, Byrappa Ammagarahalli, Esteban Basoalto, Eduardo Fuentes-Contreras, Cesar Gemeno
APPLIED ENTOMOLOGY AND ZOOLOGY
(2018)
Article
Biochemistry & Molecular Biology
Dolors Bosch, Jesus Avilla, Selim Musleh, Marcela A. Rodriguez
PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY
(2018)
Article
Biochemistry & Molecular Biology
Nelia Varela, Miguel Gaspar, Sophie Dias, Maria Luisa Vasconcelos
Article
Entomology
Neus Rodriguez-Gasol, Jesus Avilla, Simo Alegre, Georgina Alins
Article
Biochemistry & Molecular Biology
Ashraf M. El-Sayed, Andrew Sporle, Cesar Gemeno, Julia K. Josvai, Gregory S. Simmons, David M. Suckling
ZEITSCHRIFT FUR NATURFORSCHUNG SECTION C-A JOURNAL OF BIOSCIENCES
(2019)
Article
Entomology
M. A. Navarro-Roldan, D. Bosch, C. Gemeno, M. Siegwart
BULLETIN OF ENTOMOLOGICAL RESEARCH
(2020)
Article
Multidisciplinary Sciences
Miguel A. Navarro-Roldan, Caries Amat, Josep Bau, Cesar Gemeno
SCIENTIFIC REPORTS
(2019)
Article
Entomology
Alicia Perez-Aparicio, Luis M. Torres-Vila, Cesar Gemeno
Article
Entomology
Ashraf M. El-Sayed, Suresh Ganji, C. Rikard Unelius, Cesar Gemeno, Byrappa Ammagarahalli, Ruth C. Butler, Christoph Hoffmann
Summary: Plants release volatiles in response to caterpillar feeding, which attract natural enemies of the herbivores and repel or attract conspecific adult herbivores as an indirect defense mechanism. Research has shown that infested grapevines emit compounds such as phenylacetonitrile, which attracts adult European grapevine moths.
ENVIRONMENTAL ENTOMOLOGY
(2021)
Article
Multidisciplinary Sciences
Alicia Perez-Aparicio, Byrappa Ammagarahalli, Cesar Gemeno
Summary: Female moths emit sex pheromone to attract males, but do not respond to their own sex pheromone. This study investigates the response of olfactory receptor neurons (ORNs) in male and female Grapholita molesta to different pheromone components and other stimuli. The results show significant differences in the peripheral olfactory systems between the sexes, suggesting that females are unable to detect their own sex pheromone.
SCIENTIFIC REPORTS
(2022)
Article
Multidisciplinary Sciences
Carles Amat, Frederic Marion-Poll, Miguel A. Navarro-Roldan, Cesar Gemeno
Summary: This study investigated the number and distribution of sensilla chaetica in labial palps of adult Lepidoptera and examined their gustatory function through electrophysiology recordings. The results showed that the response of these sensilla varied with concentration, with stronger responses in the palps compared to the antennae, and higher responses to sugars than to salts. Differences in sensilla distribution between species and between palps and antennae suggest an unforeseen role of taste sensilla on the palps in adaptation.
SCIENTIFIC REPORTS
(2022)
Article
Entomology
Giovanni Benelli, Andrea Lucchi, Gianfranco Anfora, Bruno Bagnoli, Marcos Botton, Raquel Campos-Herrera, Cristina Carlos, Matthew P. Daugherty, Cesar Gemeno, Ally R. Harari, Christoph Hoffmann, Claudio Ioriatti, Rodrigo J. Lopez Plantey, Annette Reineke, Renato Ricciardi, Emmanouil Roditakis, Gregory S. Simmons, Wee Tek Tay, Luis M. Torres-Vila, John Vontas, Denis Thiery
Summary: This article provides an updated review of monitoring, modeling, and management tools for the European grapevine moth (EGVM), a primary pest of vineyards. It analyzes various management strategies, including insecticide-based control, insecticide resistance, side-effects of pesticides, cultural control, sterile insect technique, pheromone-mediated control strategies, biological control, and area-wide control programs. The article also outlines significant challenges for future research on EGVM and sustainable control implementation.
ENTOMOLOGIA GENERALIS
(2023)
Article
Entomology
Giovanni Benelli, Andrea Lucchi, Gianfranco Anfora, Bruno Bagnoli, Marcos Botton, Raquel Campos-Herrera, Cristina Carlos, Matthew P. Daugherty, Cesar Gemeno, Ally R. Harari, Christoph Hoffmann, Claudio Ioriatti, Rodrigo J. Lopez Plantey, Annette Reineke, Renato Ricciardi, Emmanouil Roditakis, Gregory S. Simmons, Wee Tek Tay, Luis M. Torres-Vila, John Vontas, Denis Thiery
Summary: The European grapevine moth is a species that can feed on over forty plant species, but grapevine is its preferred crop globally. It has recently spread to Chile, Argentina, and California, and there are concerns about its possible further expansion in other regions of the Americas. In this study, we provide an updated review of its taxonomy, morphology, biology, ecology, genomics, geographic distribution, and invasiveness. We also outline significant challenges for future research on bio-ecology and invasion biology, which are crucial for prevention and management strategies.
ENTOMOLOGIA GENERALIS
(2023)
Article
Biology
Alejandro Martin-Gabarrella, Cesar Gemeno, Gregor Belusic
Summary: This study investigated whether the different activity times of three species of leafrollers are associated with differences in their visual system. The results showed that all three species have the ancestral insect retinal substrate for a trichromatic color vision and lack any prominent adaptations related to being active under different light conditions.
JOURNAL OF EXPERIMENTAL BIOLOGY
(2023)
Article
Entomology
Alicia Perez-Aparicio, Jordi Llorens, Joan Ramon Rosell, Jordi Marti, Cesar Gemeno
EUROPEAN JOURNAL OF ENTOMOLOGY
(2021)