Article
Neurosciences
Tess B. Oram, Gwyneth M. Card
Summary: Recent studies in flies have revealed the neuronal mechanisms underlying flexible context-dependent behavioral responses to sensory events in conditions of predation threat, feeding regulation, and social interaction.
CURRENT OPINION IN NEUROBIOLOGY
(2022)
Article
Fisheries
Patricio Mena-Valenzuela, Jonathan Valdiviezo-Rivera, Javier Mena-Olmedo, Windsor E. Aguirre
Summary: The reproductive behavior of the Andean catfish Astroblepus ubidiai was studied in a spring near Lake San Pablo in the province of Imbabura, Ecuador. Several mating attempts and successful copulation were observed, and the copulation process was described in detail.
JOURNAL OF FISH BIOLOGY
(2022)
Article
Biochemistry & Molecular Biology
Miguel Gaspar, Sophie Dias, Maria Luisa Vasconcelos
Summary: This study finds that Drosophila melanogaster females display aggression toward mating pairs, which is regulated by mating status and perception of mating opportunities. It also relies heavily on olfaction and the combination of food odor and OR47b-dependent fly odor sensing.
Article
Multidisciplinary Sciences
Yannick Gunzel, Jaclyn McCollum, Marco Paoli, C. Giovanni Galizia, Inga Petelski, Einat Couzin-Fuchs
Summary: The study found that in dynamic social environments, cockroach decision-making is influenced by social odors, with preferences in groups being opposite to individual choices, potentially leading individuals to avoid perceived recently exploited resources.
Article
Multidisciplinary Sciences
Mohammed A. Khallaf, Rongfeng Cui, Jerrit Weissflog, Maide Erdogmus, Ales Svatos, Hany K. M. Dweck, Dario Riccardo Valenzano, Bill S. Hansson, Markus Knaden
Summary: Research on fruit flies using whole-genome sequences, chemical and behavioral data has revealed that sex pheromones and their associated olfactory channels evolve rapidly and independently to strengthen sexual isolation barriers between species.
NATURE COMMUNICATIONS
(2021)
Article
Ecology
Franco Cargnelutti, Alicia Reyes Ramirez, Shara Cristancho, Ivan A. Sandoval-Garcia, Maya Rocha-Ortega, Lucia Calbacho-Rosa, Freddy Palacino, Alex Cordoba-Aguilar
Summary: The study found that the ornaments used by males during courtship are condition-dependent, but not directly related to their fitness.
ECOLOGY AND EVOLUTION
(2021)
Article
Chemistry, Organic
Johal Ruiz, Philippe Oger, Laurent Soulere, Florence Popowycz
Summary: Starting from commercially available (R)- and (S)-beta-citronellol, two strategies were designed to synthesize all four stereoisomers of 2,6-dimethyloctane monoterpene chirons in four or five steps in 32-47% overall yield. Key Ru-catalyzed asymmetric olefin hydrogenation step under moderate conditions allowed the obtainment of desired fragments. DM-SEGPHOS was identified as a economically advantageous alternative to H8-BINAP for equal performances in catalyst screening, opening up new possibilities for versatile and scalable syntheses of these useful building blocks.
JOURNAL OF ORGANIC CHEMISTRY
(2021)
Article
Multidisciplinary Sciences
Yan Tong Yang, Shao Wei, Xiaonan Li, Yuanjie Sun, Ping He, Kristi Anne Kohlmeier, Yan Zhu
Summary: Courtship in Drosophila involves dynamic interaction between males and females, with successful copulation depending on the intention of both parties and conveyed through complex action sequences. Recent research focuses on the neural mechanisms controlling female's sexual receptivity. This study reveals that pre-mating sexual receptivity in female Drosophila requires activity within a subset of serotonergic projection neurons, which are regulated by male-derived sex peptide and downstream 5-HT signaling.
Article
Neurosciences
Nobuaki K. Tanaka, Takashi Hirao, Hikaru Chida, Aki Ejima
Summary: The study revealed that the courtship behavior in male fruit flies is mediated by specific neurons, which respond to multimodal sensory stimuli and lead to a fixed sequence of behaviors. Furthermore, male flies are able to suppress or promote their courtship actions by receiving specific olfactory stimuli through neurons when in contact with females.
JOURNAL OF NEUROSCIENCE
(2021)
Article
Environmental Sciences
Athanasios-Stefanos Giannopoulos, Lydia Giannakou, Natalia Gourgoulianni, Eleanna Pitaraki, Rajesh Jagirdar, Periklis Marnas, Panagiotis I. Tzamalas, Erasmia Rouka, Eleni Livanou, Chrissi Hatzoglou, Konstantinos Gourgoulianis, Stefan Luepold, Wolf U. Blanckenhorn, Sotirios G. Zarogiannis
Summary: This study found that exposure to cigarette smoke extract (CSE) negatively affects the development and reproductive success of fruit flies, while having little impact on their courtship behavior. Future research should explore the effect of CSE on the fertility of male and female flies.
ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY
(2023)
Article
Entomology
Carolina Ballesteros, Rodrigo A. Chorbadjian, Tania Zaviezo
Summary: This study investigated the mating behavior, asexual reproduction, and hybridization of two closely related mealybug species. The results revealed that both species require males for reproduction, and mating behavior is species-specific. No offspring were obtained from interspecific pairs, indicating no evidence of hybridization. These findings contribute to understanding mealybug reproduction and support the development of management techniques using sex pheromones.
JOURNAL OF INSECT SCIENCE
(2023)
Article
Multidisciplinary Sciences
Hajar Faal, Peter J. Silk, Peter D. Mayo, Stephen A. Teale
Summary: The study describes the courtship behavior and identification of sex pheromones in Ibalia leucospoides, revealing that four straight-chain alkanes in female body wash are attractive to male I. leucospoides.
Article
Entomology
Brian T. Sullivan, William P. Shepherd, John T. Nowak, Stephen R. Clarke, Paul R. Merten, Ronald F. Billings, William W. Upton, John J. Riggins, Cavell Brownie
Summary: The study evaluated responses of the southern pine beetle and a major predator, Thanasimus dubius, to six lure formulations for trapping survey. It was found that the southern pine beetle preferred lures with endobrevicomin and turpentine, while Thanasimus dubius showed little discrimination among lure compositions.
JOURNAL OF ECONOMIC ENTOMOLOGY
(2021)
Article
Veterinary Sciences
Hideaki Inagaki, Takahiro Ushida
Summary: This study reveals that odors from different animal species can induce varied affective changes in laboratory mice, and the acoustic startle reflex (ASR) may be a valuable tool in detecting these affective shifts.
EXPERIMENTAL ANIMALS
(2021)
Article
Neurosciences
Marie-Elisabeth Lessmann, Cagdas Guducu, Bergoi Ibarlucea, Thomas Hummel
Summary: This study aimed to investigate whether HLA-associated peptides can elicit specific neuronal responses in human olfaction. Through testing the discrimination ability of peptides in the olfactory epithelium receptors and analyzing electrophysiological signals from participants, it was found that within this experimental setup, HLA-associated peptides do not produce specific olfactory activation in humans.