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Adult Cell Self-Renewal Without Stem Cells?
Is the indefinite
self-renewal of adult cells
possible without recourse to
stem cell intermediates?
Scientists have shown that
it is possible, by achieving
... > full story
Computational Microscope Peers Into the Working Ribosome
Two new studies reveal in
unprecedented detail how the
ribosome interacts with
other molecules to assemble
new proteins and guide them
toward their destination in
... > full story
DNA Molecules in Moss Open Door to New Biotechnology
Plasmids, which are DNA
molecules capable of
independent replication in
cells, have played an
important role in gene
technology. Researchers have
... > full story
Let Them Eat Snail: Nutritional Giant Snails Could Address Malnutrition
A nutritionist in Nigeria
says that malnutrition and
iron deficiency in
schoolchildren could be
reduced in her country by
... > full story
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Biologists Discover Bacterial Defense Mechanism Against Aggressive Oxygen
November 23, 2009 — Bacteria possess an ingenious mechanism for preventing oxygen from harming the building blocks of the cell, according to new ... > full story -
New Research Into the Mechanisms of Gene Regulation
November 23, 2009 — A team of scientists has taken a large step toward unraveling how regulatory proteins control the production of gene products during development and growth. They focused specifically on the complex ... > full story -
Winemaking Enhanced by DNA Technology
November 23, 2009 — In winemaking, grape juice is turned to wine during the fermentation process by the action of a number of essential beneficial microorganisms -- namely, bacteria. Sometimes, though, harmful bacteria ... > full story -
Umbilical Cord Blood Stem Cell Transplant May Help Lung, Heart Disorders
November 23, 2009 — Two recent studies investigating the use of human umbilical cord blood stem cell (UCB) transplants for lung and heart disorders in animal models found beneficial results. When human UCB-derived ... > full story -
Why Bird Flu Has Not Caused a Pandemic
November 21, 2009 — Bird flu viruses would have to make at least two simultaneous genetic mutations before they could be transmitted readily from human to human, according to new ... > full story -
An Atomic-Level Look at an HIV Accomplice
November 21, 2009 — Since the discovery in 2007 that a component of human semen called SEVI boosts infectivity of the virus that causes AIDS, researchers have been trying to learn more about SEVI and how it works, in ... > full story -
First Map of Chromosome Terminals of Higher Fungi
November 21, 2009 — Scientists have described for the first time how the telomeres and adjacent sequences of the oyster fungus are ... > full story -
Antioxidant Found in Vegetables Has Implications for Treating Cystic Fibrosis
November 20, 2009 — Scientists have discovered that a dietary antioxidant found in such vegetables as broccoli and cauliflower protects cells from damage caused by chemicals generated during the body's inflammatory ... > full story -
How Crops Survive Drought
November 20, 2009 — Breakthrough research done earlier this year by a plant cell biologist has greatly accelerated scientists' knowledge on how plants and crops can survive difficult environmental conditions like ... > full story -
Maize Cell Wall Genes Identified, Giving Boost to Biofuel Research
November 20, 2009 — Scientists have identified and grouped the genes thought to be responsible for cell wall development in maize, an effort that expands their ability to discover ways to produce the biomass best suited ... > full story
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