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RNA on the Move
In the fruitfly Drosophila,
oskar mRNA, which is
involved in defining the
animal's body axes, is
produced in the nuclei of
nurse cells neighboring the
oocyte, and must be
transported to the oocyte
... > full story
First Transgenic Prairie Voles May Help Unlock Secrets of Pair Bonding
Researchers have generated
the first transgenic prairie
voles, an important step
toward unlocking the genetic
secrets of pair bonding. The
... > full story
Why Females Live Longer Than Males: Is It Due to the Father's Sperm?
Researchers in Japan have
found that female mice
produced by using genetic
material from two mothers
but no father live
... > full story
Shark Fins Traced to Their Geographic Origin for First Time Using DNA Tools
Millions of shark fins are
sold annually to satisfy the
demand for shark fin soup, a
Chinese delicacy. Now,
scientists using DNA tools
... > full story
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ERK's Got Rhythm: Protein That Controls Cell Growth Found to Cycle in and out of Cell Nucleus
December 2, 2009 — Time-lapsed video of individual breast tissue cells reveals a never-before-seen event in the life of a cell: a protein that cycles between two major compartments: the nucleus, where genes are turned ... > full story -
Why Humans Outlive Apes: Human Genes Have Adapted to Inflammation, but We Are More Susceptible to Diseases of Aging
December 2, 2009 — In spite of their genetic similarity to humans, chimpanzees and great apes have maximum lifespans that rarely exceed 50 years. A new study argues that humans have evolved genes that enable us to ... > full story -
Marine Life Collected to Inventory DNA Sequence of All Pacific Island's Living Species
December 2, 2009 — Researchers are collecting marine invertebrates on the French Polynesian island of Moorea as part of a massive effort to inventory the DNA sequence of every living species ... > full story -
How Ubiquitin Chains Are Added to Cell-Cycle Proteins: May Lead to Targeted Cancer Therapies
December 2, 2009 — Researchers have been able to view in detail, and for the first time, the previously mysterious process by which long chains of a protein called ubiquitin are added by enzymes called ubiquitin ... > full story -
Hidden Protein Structures Are Essential for Catalysis
December 2, 2009 — A new study raises the curtain on the hidden lives of proteins at the atomic level. The study reports that for the first time, researchers used x-ray crystallography and nuclear magnetic resonance ... > full story -
Newly Explored Bacteria Reveal Some Huge RNA Surprises
December 2, 2009 — 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 or ... > full story -
Latest Epidemic? High Cholesterol, Obesity in Fruit Flies
December 2, 2009 — How do fruit flies get high cholesterol and become obese? The same way as people do -- by eating a diet that's too rich in ... > full story -
Some Birds Listen, Instead of Look, for Mates
December 2, 2009 — Looks can be deceiving, but certain bird species have figured out that a voice can tell them most of what they need to know to find the right mate. Researchers found that the higher the pitch of a ... > full story -
A Cell's 'Cap' of Bundled Fibers Could Yield Clues to Disease
December 2, 2009 — Research engineers have discovered that in healthy cells, a bundled "cap" of thread-like fibers holds the cell's nucleus in its proper ... > full story -
Scientists Create Mouse With Key Features of HIV Infection Without Being Infected With HIV
December 1, 2009 — A major obstacle to HIV research is the virus's exquisite specialization for its human host -- meaning that scientists' traditional tools, like the humble lab mouse, can deliver only limited ... > full story
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