# Silk fibroin (recombinant, biomaterials)

Contract manufacturing (CMO/CDMO/toll) — Recombinant silk fibroin and spider-silk proteins — expressed by microbial precision fermentation, by transgenic silkworms Bombyx mori (MaSp1/MaSp2, Kraig Biocraft), or isolated from Bombyx mori cocoons for biomaterials.

Source: https://en.bioecon.ru/market/contract-manufacturing/silk-fibroin-recombinant-biomaterials/