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Lung cancer and melanoma laid bare: First comprehensive analysis of two cancer genomes

Medicine & Health / Cancer

created Dec 16, 2009 | popularity 5 / 5 (4) | comments 0

Research teams led by the Wellcome Trust Sanger Institute announce the first comprehensive analyses of cancer genomes. All cancers are caused by mutations in the DNA of cancer cells which are acquired during a person's lifetime. ...


DNA of Jesus-era shrouded man in Jerusalem reveals earliest case of leprosy

DNA of Jesus-era shrouded man in Jerusalem reveals earliest case of leprosy

Other Sciences / Archaeology & Fossils

created Dec 16, 2009 | popularity 3.8 / 5 (13) | comments 4

The DNA of a 1st century shrouded man found in a tomb on the edge of the Old City of Jerusalem has revealed the earliest proven case of leprosy. Details of the research will be published December 16 in the ...


Thermochemical nanolithography now allows multiple chemicals on a chip

Thermochemical nanolithography now allows multiple chemicals on a chip

Nanotechnology / Nanophysics

created Dec 16, 2009 | popularity 4.5 / 5 (4) | comments 0

(PhysOrg.com) -- Scientists at Georgia Tech have developed a nanolithographic technique that can produce high-resolution patterns of at least three different chemicals on a single chip at writing speeds of ...


Introns: A mystery renewed

Introns: A mystery renewed

Biology / Cell & Microbiology

created Dec 10, 2009 | popularity 4.8 / 5 (6) | comments 0

The sequences of nonsense DNA that interrupt genes could be far more important to the evolution of genomes than previously thought, according to a recent Science report by Indiana University Bloomington and ...


Only a small number of so-called giant viruses have been discovered, the first in 1993 by accident

New giant virus discovered

Biology / Cell & Microbiology

created Dec 09, 2009 | popularity 4.3 / 5 (18) | comments 8

Scientists in France have isolated a new giant virus that lurks inside amoeba and whose gene pool includes genetic material from other species.


Bacteria offer insights into human decision making

Bacteria offer insights into human decision making

Physics / General Physics

created Dec 08, 2009 | popularity 4.5 / 5 (18) | comments 1

(PhysOrg.com) -- Scientists studying how bacteria under stress collectively weigh and initiate different survival strategies say they have gained new insights into how humans make strategic decisions that ...


Tiny RNA has big impact on lung cancer tumors

Medicine & Health / Cancer

created Dec 07, 2009 | popularity 5 / 5 (3) | comments 0

Researchers from Yale University and Mirna Therapeutics, Inc., reversed the growth of lung tumors in mice using a naturally occurring tumor suppressor microRNA. The study reveals that a tiny bit of RNA may one day play a ...


Newly explored bacteria reveal some huge RNA surprises

Newly explored bacteria reveal some huge RNA surprises

Biology / Cell & Microbiology

created Dec 02, 2009 | popularity 4.9 / 5 (12) | comments 1

(PhysOrg.com) -- Yale University researchers have found very large RNA structures within previously unstudied bacteria that appear crucial to basic biological functions such as helping viruses infect cells ...


maize

Reference Genome of Maize Published (w/ Podcast)

Biology / Biotechnology

created Nov 19, 2009 | popularity 5 / 5 (1) | comments 0

(PhysOrg.com) -- A four-year, multi-institutional effort co-led by three Cold Spring Harbor Laboratory scientists culminated today in publication of a landmark series of papers in the journal Science reveal ...


Researchers revise long-held theory of fruit-fly development

Researchers revise long-held theory of fruit-fly development

Biology / Cell & Microbiology

created 8 hours ago | popularity not rated yet | comments 0

For decades, science texts have told a simple and straightforward story about a particular protein—a transcription factor—that helps the embryo of the fruit fly, Drosophila melanogaster, pattern tissues in a m ...


Within a cell, actin keeps things moving

Within a cell, actin keeps things moving

Chemistry / Biochemistry

created 10 hours ago | popularity not rated yet | comments 0

(PhysOrg.com) -- Using new technology developed in his University of Oregon lab, chemist Andrew H. Marcus and his doctoral student Eric N. Senning have captured what they describe as well-orchestrated, actin-driven, ...


Two common forms of cancer have been genetically mapped for the first time

Scientists crack gene code of common cancers

Medicine & Health / Cancer

created 12 hours ago | popularity 4.9 / 5 (8) | comments 1

Two common forms of cancer have been genetically mapped for the first time, British scientists announced, in a major breakthrough in understanding the diseases.


Study reveals lack of diversity in embryonic stem cell lines

Biology / Biotechnology

created Dec 16, 2009 | popularity 5 / 5 (1) | comments 0

The most widely used human embryonic stem cell lines lack genetic diversity, a finding that raises social justice questions that must be addressed to ensure that all sectors of society benefit from stem cell advances, according ...


Scientists use DNA sequencing to attack lung cancer

Medicine & Health / Cancer

created Dec 16, 2009 | popularity 5 / 5 (1) | comments 0

Aided by next-generation DNA sequencing technology, an international team of researchers has gained insights into how more than 60 carcinogens associated with cigarette smoke bind to and chemically modify human DNA, ultimately ...


Late-surviving megafauna exposed by ancient DNA in frozen soil

Late-surviving megafauna exposed by ancient DNA in frozen soil

Biology / Biotechnology

created Dec 15, 2009 | popularity 4.5 / 5 (2) | comments 0

Extinct woolly mammoths and ancient American horses may have been grazing the North American steppe for several thousand years longer than previously thought. After plucking ancient DNA from frozen soil in ...