Xylocopa virginica
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA1189112 | ENA |
REPOSITORIES: ENA
Similar Datasets
Project description:Xylocopa virginica (eastern carpenter bee) genome assembly, iyXylVirg4, alternate haplotype
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Project description:Xylocopa virginica (eastern carpenter bee) genomic and transcriptomic data
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Project description:We describe the first comprehensive venom profile of a solitary bee, the European carpenter bee Xylocopa violacea, by using a combined proteo-transcriptomic approach. Transcripts of the venom system are used as specific database to match peptide sequences from mass spectrometry analyses of venom from dissected venom glands and venom injected during a defensive sting. In our analyses, we only discuss the proteo-transcriptomically supported venom components and reveal a diverse venom profile with 43 different protein families of which 32 are identified in the injected venom.
2023-06-26 | PXD030997 | Pride
Project description:Carpenter bees (Xylocopa ruficornis Fabricius, 1804)
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Project description:Most species of bee are capable of delivering a defensive sting which is often painful. A solitary lifestyle is the ancestral state of bees and most extant species are solitary, but information on bee venoms comes predominantly from studies on eusocial species. In this study we investigated the venom composition of the Australian great carpenter bee, Xylocopa aruana Ritsema, 1876. We show that the venom is relatively simple, composed mainly of one small amphipathic peptide (XYTX1-Xa1a), with lesser amounts of an apamin homologue (XYTX2-Xa2a) and a venom phospholipase-A2 (PLA2). XYTX1-Xa1a is homologous to, and shares a similar mode-of-action to melittin and the bombilitins, the major components of the venoms of the eusocial Apis mellifera (Western honeybee) and Bombus spp. (bumblebee), respectively. XYTX1-Xa1a and melittin directly activate mammalian sensory neurons and cause spontaneous pain behaviours in vivo, effects which are potentiated in the presence of venom PLA2. The apamin-like peptide XYTX2-Xa2a was a relatively weak blocker of small conductance calcium-activated potassium (KCa) channels and, like A. mellifera apamin and mast cell-degranulating peptide, did not contribute to pain behaviours in mice. While the composition and mode-of-action of the venom of X. aruana are similar to that of A. mellifera, the greater potency, on mammalian sensory neurons, of the major pain-causing component in A. mellifera venom may represent an adaptation to the distinct defensive pressures on eusocial Apidae.
2023-03-11 | PXD038183 | Pride
Project description:Xylocopa dejeanii Genome sequencing and assembly
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