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A candidate olfactory receptor subtype highly conserved across different insect orders
TLDR
The identification of HR2 homologues in two further lepidopteran species, the moths Antheraea pernyi and Bombyx mori, which share 86–88% of their amino acids, suggests that this unique receptor subtype may fulfill a special function in chemosensory neurons of insects.
Candidate pheromone receptors provide the basis for the response of distinct antennal neurons to pheromonal compounds
TLDR
It was found that in the presence of HvirPBP2, cells expressing the receptor type HR13 specifically responded to the main component of the sex pheromone blend only, providing further evidence that a combination of a distinct receptor type and binding protein underlie the specific response observed in the detection of a phersomone component in vivo.
Genes encoding candidate pheromone receptors in a moth (Heliothis virescens).
TLDR
Findings suggest that receptors like Heliothis receptor 14-16 (HR14-HR16) may render antennal cells responsive to pheromones, by using a combination of genomic sequence analysis and cDNA-library screening.
Antennal SNMPs (sensory neuron membrane proteins) of Lepidoptera define a unique family of invertebrate CD36-like proteins.
TLDR
The findings suggest that SNMPs play a central role in odor detection in insects, and that the CD36 gene family is widely represented among animal phyla.
Selective Activation of G Protein Subtypes in the Vomeronasal Organ upon Stimulation with Urine-derived Compounds*
TLDR
Results provide the first experimental evidence that V1Rs coexpressed with Gimay be activated by lipophilic probably volatile odorants, whereas V2Rs co Expressed with Go seem to be specialized to interact with pheromonal components of proteinaceous nature.
A divergent gene family encoding candidate olfactory receptors of the moth Heliothis virescens
TLDR
Analysis of isolated cDNA‐clones of a heliothine moth led to the discovery of a divergent gene family encoding putative seven‐transmembrane domain proteins, which strongly suggest that the newly discovered gene family indeed encodes olfactory receptors of moth.
Differential expression of SNMP-1 and SNMP-2 proteins in pheromone-sensitive hairs of moths.
TLDR
The results indicate that SNMP-1s andSNMP-2s are differentially expressed in cells of pheromone-sensitive sensilla and suggest distinct functions for the 2 SNMP subtypes in the olfactory system.
Revisiting the Specificity of Mamestra brassicaeand Antheraea polyphemus Pheromone-binding Proteins with a Fluorescence Binding Assay*
TLDR
Investigation of the binding properties and specificity of PBPs from Mamestra brassicae, Antheraea polyphemus, Bombyx mori, and a hexa-mutant of MbraPBP1, indicates that relatively limited modifications to the PBP cavity actually interfere with AMA binding, suggesting that AMA binds in the internal cavity.
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