Article
On the dynamic caddisfly silk H-fibroin gene: a population study in a net-spinning species.
Molecular biology and evolution - 4 Jun 2026
Stewart Russell J, Powell Ashlyn, Heckenhauer Jacqueline, Pauls Steffen U, Jijon Gabriela, Standring Samantha, Hayashi Cheryl Y, Baker Richard H, Frandsen Paul B
Abstract excerpt
Larvae of the caddisfly Arctopsyche grandis BANKS build protective structures and spin silken capture nets in flowing water. Caddisfly H-fibroin, the major protein component of its silk fibers, has a blocky structure with repeating units defined as beginning with a [(SX)nE]m region followed by a G-rich spacer. Previous observation of H-fibroin allelic variation in haploid-resolved individuals led us to...
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