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'We stand on the shoulders of Yuri Gagarin': UK astronaut hails cosmonaut's historic role - Science & Space


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‘We stand on the shoulders of Yuri Gagarin’: UK astronaut hails cosmonaut’s historic role
According to Helen Sharman, wherever people go in space, their achievements are based on what Yuri Gagarin accomplished on April 12, 1961
Helen Sharman© Albert Pushkarev/TASS
LONDON, April 9. /TASS/. Technology has advanced exponentially over the past 60 years, but whatever part of the Universe people will travel to, their achievements will be based on what Yuri Gagarin (1934-1968) accomplished on April 12, 1961, Helen Sharman, who was the first British citizen to go into space in 1991, told TASS.
Yuri Gagarin s spaceflight was an amazing achievement, sixty years ago. The world was a very different place in 1961. Technology in particular has advanced so quickly that it is easy to forget what it was like then for the astronauts, engineers and designers, she noted. ....

United Kingdom , City Of , Helen Sharman , Yuri Gagarin , Department Of Chemistry At Imperial College London , Yuri Gagarin Cosmonaut Training Center , Project Juno , Star City , Yuri Gagarin Cosmonaut Training , Imperial College , ஒன்றுபட்டது கிஂக்டம் , நகரம் ஆஃப் , ஹெலன் ஷர்மன் , துறை ஆஃப் வேதியியல் இல் ஏகாதிபத்தியம் கல்லூரி லண்டன் , ப்ராஜெக்ட் ஜூனோ , நட்சத்திரம் நகரம் , ஏகாதிபத்தியம் கல்லூரி ,

Rare 4-stranded DNA has been observed in action for the first time -- Science & Technology -- Sott.net


© Thomas Splettstoesser/Wikimedia Commons
Reconstruction of human telomere DNA quadruplex.Two thin strands wound together in a spiraling helix: This is the iconic shape of a DNA molecule. But sometimes, DNA can form a rare quadruple-helix, and this odd structure may play a role in diseases like cancer.
Not much is known about these four-stranded
, known as G-quadruplexes but now, scientists have developed a new way to detect these odd molecules and observe how they behave in living cells. In a new study, published Jan. 8 in the journal Nature Communications, the team described how
certain proteins cause the G-quadruplex to unravel; in the future, their work could lead to new drugs that grab hold of quadruple-helix DNA and disrupt its activity. Drugs could intervene, for instance, when the odd DNA contributes to cancerous tumor growth. ....

City Of , United Kingdom , Thomas Splettstoesser Wikimedia Commons , Ben Lewis , Department Of Chemistry At Imperial College London , Nature Communications , Imperial College London , Discover Magazine , Wikimedia Commons , Imperial College , நகரம் ஆஃப் , ஒன்றுபட்டது கிஂக்டம் , பென் லெவிஸ் , துறை ஆஃப் வேதியியல் இல் ஏகாதிபத்தியம் கல்லூரி லண்டன் , இயற்கை தகவல்தொடர்புகள் , ஏகாதிபத்தியம் கல்லூரி லண்டன் , கண்டுபிடி பத்திரிகை , ஏகாதிபத்தியம் கல்லூரி ,

Rare 4-Stranded DNA Has Been Observed in Action For The First Time


NICOLETTA LANESE, LIVE SCIENCE
12 JANUARY 2021
Two thin strands wound together in a spiraling helix: This is the iconic shape of a DNA molecule. But sometimes, DNA can form a rare quadruple-helix, and this odd structure may play a role in diseases like cancer. 
 
Not much is known about these four-stranded DNA, known as G-quadruplexes but now, scientists have developed a new way to detect these odd molecules and observe how they behave in living cells.
In a new study, published January 8 in the journal 
Nature Communications, the team described how certain proteins cause the G-quadruplex to unravel; in the future, their work could lead to new drugs that grab hold of quadruple-helix DNA and disrupt its activity. ....

City Of , United Kingdom , Ben Lewis , Ramon Vilar , Department Of Chemistry At Imperial College London , Nature Communications , Discover Magazine , Imperial College London , G Quadruplexes , Amp Quot , நகரம் ஆஃப் , ஒன்றுபட்டது கிஂக்டம் , பென் லெவிஸ் , ராமன் விலார் , துறை ஆஃப் வேதியியல் இல் ஏகாதிபத்தியம் கல்லூரி லண்டன் , இயற்கை தகவல்தொடர்புகள் , கண்டுபிடி பத்திரிகை , ஏகாதிபத்தியம் கல்லூரி லண்டன் ,