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A fabric 'stronger than steel': Scientists crack how to 'farm' spider's webs by making silkworm

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posted on Jan, 5 2012 @ 08:31 PM

Scientists have genetically engineered silkworms to make artificial spider silk.

It is hoped the breakthrough could lead to the development of stronger fibres for textiles, bandages for burn victims and bullet-proof vests.

The GM silkworms spin tough fibres containing spider silk proteins that are more elastic and extensible, making it more suitable for use in a range of medical applications.

Territorialism and cannibalism among spiders pose challenges to spider farming as a viable means of manufacturing silk.

Dr Donald Jarvis, of the University of Wyoming in the United States, and colleagues created transgenic silkworms expressing spider gene sequences.

Spider silk proteins have been long produced in transgenic bacterial, yeast, plant, insect and mammalian cells.

However, previous attempts to incorporate them into fibres spun by silkworms led to relatively low yields.

But the new technique, reported in Proceedings of the National Academy of Sciences, led to fibres at least as tough as spider silk and stronger than those spun by silkworms.

So silkworms may be used at factories for manufacturing tough silk fibres containing spider silk proteins, said the researchers.

Dr Jarvis said: 'Spider silks have enormous potential as biomaterials for various applications, but serious obstacles to spider farming preclude the natural manufacturing approach.

'Thus, there is a need to develop an effective biotechnological approach for spider silk fibre production.


This is great , scientists have been saying "what if we could make stuff from spiders webs" for years and now they have finally worked out how to do it. This has to be one of the best applications of GM science ive seen for ages.

edit on 5-1-2012 by PhoenixOD because: (no reason given)

posted on Jan, 5 2012 @ 08:40 PM
Very cool. Biomimickery is a pretty wicked way to go. Nature is already perfect so why look any further.

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