
How Respiratory Tubes and Capillaries Form in Flies
Scientists in Spain report
on the formation of the
small-diameter respiratory
tubes of the fly Drosophila
-- a process that resembles
the development of the
... > full story

Cells Send Dirty Laundry Home to Mom
Understanding how aged and
damaged mother cells manage
to form new and undamaged
daughter cells is one of the
toughest riddles of aging,
but scientists now know how
yeast cells do it. In a
... > full story

First Measurement of Energy Released from a Virus During Infection
For the first time,
scientists have directly
measured the energy
associated with the
expulsion of viral DNA, a
pivotal discovery toward
... > full story

Nuclear Pore Complexes Harbor New Class of Gene Regulators
Nuclear pore complexes are
best known as the
communication channels that
regulate the passage of all
molecules to and from a
cell's nucleus. Researchers,
... > full story
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Cells Can Read Damaged DNA Without Missing a Beat
February 10, 2010 Under certain growth-limiting conditions, enzymes that read DNA can skim through damaged DNA without skipping any letters in the genetic "text." This suggests a mechanism that can allow bacteria to ... > full story -
Locust Study Promises New Insights Into Limb Control
February 9, 2010 New research into how the brain controls the movements of limbs could prompt major advances in understanding the human brain and the development of prosthetic ... > full story -
Method of the Future Uses Single-Cell Imaging to Identify Gene Interactions
February 9, 2010 Cellular imaging offers a wealth of data about how cells respond to stimuli, but harnessing this technique to study biological systems is a daunting challenge. Researchers have now developed a novel ... > full story -
Road Mapping Could Be Key to Curing TB
February 8, 2010 The complex chain of metabolic events in bacteria that lead to fatal diseases such as tuberculosis may be better understood using mathematical models, according to a new ... > full story -
Novel Theory for Mammalian Stem Cell Regulation
February 8, 2010 Researchers propose a model of mammalian adult stem cell regulation that may explain how the coexistence of two disparate stem cell states regulates both stem cell maintenance and simultaneously ... > full story -
Researchers Map All Fragile Sites of Yeast Saccharomyces Cerevisiae's Genome
February 8, 2010 Researchers have accomplished a technical breakthrough: they mapped all the fragile sites of a living organism, the budding yeast Saccharomyces cerevisiae. The method used by the researchers can be ... > full story -
Biologists Determine microRNA Activity Is Suppressed in Mouse Ovum
February 7, 2010 Scientists studying RNA activity, the so-called dark matter of the biological world, may have found the first event in reprogramming a differentiated oocyte into pluripotent blastomeres of the ... > full story -
Sweet! Sugar Plays Key Role in Cell Division
February 6, 2010 Using an elaborate sleuthing system they developed to probe how cells manage their own division, scientists have discovered that common but hard-to-see sugar switches are partly in ... > full story -
Prion Leaves Lasting Mark on Memory
February 5, 2010 Prions are a special class of proteins best known as the source for mad cow and other neurodegenerative diseases. Despite this negative reputation, a prion may also have important and very positive ... > full story -
Link Between Human Birth Defect Syndrome, Cancer Metastasis Explored
February 4, 2010 Some cells are natural rule-breakers. Neural crest cells for example, not only migrate throughout the body during development (most cells are more selective in their wandering), they are also more ... > full story
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