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Microb Cell Fact. 2004 Nov 16;3(1):14.

Spider silks: recombinant synthesis, assembly, spinning, and engineering of synthetic proteins.

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1
Department of Chemistry, Lehrstuhl für Biotechnologie, Technische Universität München, Lichtenbergstr, 4, 85747 Garching, Germany. thomas.scheibel@ch.tum.de.

Abstract

Since thousands of years humans have utilized insect silks for their own benefit and comfort. The most famous example is the use of reeled silkworm silk from Bombyx mori to produce textiles. In contrast, despite the more promising properties of their silk, spiders have not been domesticated for large-scale or even industrial applications, since farming the spiders is not commercially viable due to their highly territorial and cannibalistic nature. Before spider silks can be copied or mimicked, not only the sequence of the underlying proteins but also their functions have to be resolved. Several attempts to recombinantly produce spider silks or spider silk mimics in various expression hosts have been reported previously. A new protein engineering approach, which combines synthetic repetitive silk sequences with authentic silk domains, reveals proteins that closely resemble silk proteins and that can be produced at high yields, which provides a basis for cost-efficient large scale production of spider silk-like proteins.

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