Human 'Quadruple Helix' DNA
Cambridge University scientists writing in the Journal Nature say they have seen four-stranded DNA at work in human cells for the first time.
(A representation of the four-stranded structure (L) with fluorescent markers)
They suggest that control of the structures could provide novel ways to fight the disease.
"The existence of these structures may be loaded when the cell has a certain genotype or a certain dysfunctional state," said Prof Shankar Balasubramanian from Cambridge's department of chemistry.
"We need to prove that; but if that is the case, targeting them with synthetic molecules could be an interesting way of selectively targeting those cells that have this dysfunction," he told BBC News.
Although I think that there were references by scientists to the idea of four-stranded DNA by the early 1970's, science fiction writers didn't hesitate to introduce the idea to sf readers. This excerpt is from the original Hitchhiker's Radio Scripts written by Douglas Adams broadcast in 1978.
"The Haggunenons of Vicissitus Three have the most impatient chromosomes of any life form in the Galaxy. ... Their genetic structure, based on the quadruple sterated octohelix, is so chronically unstable, that far from passing their basic shape onto their children, they will quiet frequently evolve several times over lunch."
Via BBC; thanks to Eric Nodacker for the tip and the reference for this article.
Scroll down for more stories in the same category. (Story submitted 1/20/2013)
Follow this kind of news @Technovelgy.
| Email | RSS | Blog It | Stumble | del.icio.us | Digg | Reddit |
you like to contribute a story tip?
Get the URL of the story, and the related sf author, and add
Comment/Join discussion ( 2 )
Related News Stories -
DNA May Contain Malware
'You were told to embed the logical pathogen.' - A. Reynolds and S. Baxter, 2016.
GMO Houseplant Cleans Your Air
Removes compounds too small to be captured by a HEPA filter.
Oil from Algae - Can It Be Done?
'We dump everything that's waste into the tanks, pump the oil off the top.' - Hal Clement, 1950.
Amazing 'Hybrid' Solar-Powered Sea Slug Does Photosynthesis
Thank goodness for Star Trek.
Technovelgy (that's tech-novel-gee!)
is devoted to the creative science inventions and ideas of sf authors. Look for
the Invention Category that interests
you, the Glossary, the Invention
Timeline, or see what's New.
Unfurl The Future! Huawei Mate X versus Galaxy Fold
'A paper thin polycarbon screen unfurled silently from the top of the unit and immediately grew rigid.'
Amazon Echo And Google Home Should Have Morality Software
'The Dwoskin Morality Rating-Computer could 'spot the slightest tendency to deviation' from the social norm...'
China Building Robot Wives
'Want a life-companion, a pleasant one?'
China Social Credit System Like State-Run Whuffie
'At least there was no mandatory Whuffie check on the monorail platform...'
Project Soli Radar Gesture Chip Now FCC Approved
'He waved his hand and the circuit switched abruptly.'
Stan, Robot Valet, Will Drag Your Car Away
'He activated the grapple tracks. '
Jibo Home Robot Says Goodbye, Is Killswitched
'It resembles an oyster....'
Johns Hopkins Says Asteroid Deflection Will Be Difficult
'This obelisk is one huge deflector mechanism...'
Fabric Automatically Cools Or Insulates Based On Environment
'...a high-efficiency filter and heat-exchange system.'
Deepfakes From OpenAI GPT-2 Algorithm
'How can you compete with an IBM heavy-duty logomatic analogue?'
John Deere Self-Driving Tractor
'The huge plow... seemed to shake itself - and began to move back southward.'
North Focals Smart Glasses Provide Augmented Reality In Style
'The world ... is drenched in unfamiliar information all the way to the horizon.'
Tesla Driver Caught Napping Behind The Wheel
'Mary Risling settled back for a little nap...'
Hayabusa 2 To Begin Asteroid Mining
'We must dig down, and then doubtless we shall find the metal.'
Ionocraft Drone Powered By Electrohydrodynamic Thrust
'He saw one hiss by him as he rounded the corner, trailing a short whip antenna...'
Purdue Pharma Ready To Profit From OxyContin Use Or Addiction Recovery
'It may be organic damage. It may be permanent. Time'll tell, and only after you are off Substance D for a long while.'
More SF in the News Stories
More Beyond Technovelgy science news stories