Tag Archives: Latrodectus

The evolution of black widow venom

Black widow venom contains α-latrotoxin, infamous for causing intense pain. Combining 33kb of Latrodectus hesperus genomic DNA with RNA-Seq, we characterized the α-latrotoxin gene and discovered a paralog, 4.5kb downstream. Both paralogs exhibit venom gland specific transcription, and may be ...

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