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 India's 'renaissance man' Kalam honoured
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London:
Indian-origin scientist Venkatraman Ramakrishnan shares the Nobel
Prize in Chemistry this year with Thomas A. Steitz and Ada E. Yonath,
it was announced in Stockholm Wednesday.
The Royal Swedish Academy of
Sciences
said the Nobel Prize in Chemistry for 2009 awards studies of one of
life's core processes: the ribosome's translation of DNA information
into life.
Ribosomes produce proteins, which in turn control the chemistry in
all living organisms. As ribosomes are crucial to life, they are
also a major target for new antibiotics, it said in a statement.
Born in 1952 in Chidambaram, Tamil Nadu, Ramakrishnan did his PhD in
Physics in 1976 from Ohio University, US. He is a senior scientist
and group leader at Structural Studies Division, MRC Laboratory of
Molecular
Biology,
Cambridge, Britain.
Ramakrishnan and Steitz are US citizens while Yonath is from Israel.
Ramakrishnan joins an illustrious list of Indians and people of
Indian origin who have won the Nobel Prize in various disciplines --
including Rabindranath Tagore, C.V. Raman, Hargobind Khorana, Mother
Teresa, S. Chandrashekhar and Amartya Sen.
Ramakrishnan, Steitz and Yonath have been awarded for showing what
the ribosome looks like and how it functions at the atomic level.
All three have used a method called X-ray crystallography to map the
position for each and every one of the hundreds of thousands of
atoms that make up the ribosome.
"Inside every cell in all organisms, there are DNA molecules. They
contain the blueprints for how a human being, a plant or a
bacterium, looks and functions. But the DNA molecule is passive. If
there was nothing else, there would be no life," a statement from
the academy of sciences said.
The blueprints become transformed into living matter through the
work of ribosomes.
An understanding of the ribosome's innermost workings is important
for a scientific understanding of life. This knowledge can be put to
a practical and immediate use; many of today's antibiotics cure
various diseases by blocking the function of bacterial ribosomes.
Without functional ribosomes, bacteria cannot survive. This is why
ribosomes are such an important target for new antibiotics, the
statement added.
This year's three Laureates have all generated 3D models that show
how different antibiotics bind to the ribosome. These models are now
used by scientists in order to develop new antibiotics, directly
assisting the saving of lives and decreasing humanity's suffering.
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