Feeds

New GM worms mean large scale spider-silk production

Boffins sidestep difficulties of farming spiders

The next step in data security

Scientists in Indiana have announced success in producing a genetically modified abomination-style combo creature which is part spider and part silkworm. They believe that their creation will be handy for the production of next-generation bulletproof vests, among other things.

The cunning thing about the new arachno-worms is that they can produce spider silk, one of the strongest fibres known to science, while not actually being spiders. It is mainly the difficulty of farming spiders for their silk that has prevented the super-stuff from being widely used*.

"The generation of silk fibers having the properties of spider silks has been one of the important goals in materials science," says Malcolm Fraser Jr, biology prof at Notre Dame uni.

For the spidey-worm project, Fraser teamed up with Randy Lewis of the University of Wyoming, who is described as "one of the world's foremost authorities on spider silk".

The two men and their colleagues succeeded in introducing specific bits of spider DNA into silkworms. The transgenic worms still spin cocoons in regular style, but the silk they produce is much stronger than regular silk - it "has markedly improved elasticity and strength approaching that of native spider silk", according to the boffins.

This is a big deal, because silkworm farming is already well understood, so it should now be possible to start producing spider silk on a commercial scale. The stuff should have many medical uses, producing finer sutures, better bandages and so forth.

But there will also, perhaps, be wider applications. Spider silk is well known to be stronger for a given weight than the Kevlar widely used in body armour, so tougher and lighter protection could soon emerge from the transgenic worm farms of the future. Likewise there could be new structural building fabrics, high-tech clothing, better airbags, super-strong ropes etc.

And that's not all.

"We may even be able to genetically engineer fibers that exceed the remarkable properties of native spider silk," said Fraser, briefing reporters at a Notre Dame press conference earlier this week. ®

*No doubt we all remember the bit in the recent film of Get Smart, where the boffins furnish the hero with a Swiss Army knife containing a tiny crossbow able to shoot small harpoons attached to a spider-silk line of incredible strength. They emphasise the difficulty of producing this, saying grimly: "The spiders have to be individually milked. They do not like it."

Choosing a cloud hosting partner with confidence

More from The Register

next story
SCREW YOU, Russia! NASA lobs $6.8bn at Boeing AND SpaceX to run space station taxis
Musk charging nearly half as much as Boeing for crew trips
Boffins say they've got Lithium batteries the wrong way around
Surprises at the nano-scale mean our ideas about how they charge could be all wrong
Thought that last dinosaur was BIG? This one's bloody ENORMOUS
Weighed several adult elephants, contend boffins
Edge Research Lab to tackle chilly LOHAN's final test flight
Our US allies to probe potential Vulture 2 servo freeze
Europe prepares to INVADE comet: Rosetta landing site chosen
No word yet on whether backup site is labelled 'K'
Cracked it - Vulture 2 power podule fires servos for 4 HOURS
Pixhawk avionics juice issue sorted, onwards to Spaceport America
City hidden beneath England's Stonehenge had HUMAN ABATTOIR. And a pub
Boozed-up ancients drank beer before tearing corpses apart
prev story

Whitepapers

Providing a secure and efficient Helpdesk
A single remote control platform for user support is be key to providing an efficient helpdesk. Retain full control over the way in which screen and keystroke data is transmitted.
WIN a very cool portable ZX Spectrum
Win a one-off portable Spectrum built by legendary hardware hacker Ben Heck
Storage capacity and performance optimization at Mizuno USA
Mizuno USA turn to Tegile storage technology to solve both their SAN and backup issues.
High Performance for All
While HPC is not new, it has traditionally been seen as a specialist area – is it now geared up to meet more mainstream requirements?
Security and trust: The backbone of doing business over the internet
Explores the current state of website security and the contributions Symantec is making to help organizations protect critical data and build trust with customers.