Oh they did it the old fashioned way, neat but sadly not as interesting as gene splicing would have been. Gene splicing would make it possible to produce spider silk fabrics for less then one million.
We have spliced some spider silk protein genes into goats, and their milk does contain those proteins, and we can crystallize them into large crystals. But that's not silk, spider silk is those proteins carefully assembled along with H2O molecules to create threads.
Another problem is, spider silk tends to rot pretty quickly.
We have spliced some spider silk protein genes into goats, and their milk does contain those proteins, and we can crystallize them into large crystals. But that's not silk, spider silk is those proteins carefully assembled along with H2O molecules to create threads.
Another problem is, spider silk tends to rot pretty quickly.