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Can cleft palate be healed before birth?

Medicine & Health / Genetics

created Dec 01, 2009 | popularity not rated yet | comments 0

In a study newly published in the journal Development, investigators at the USC School of Dentistry describe how to non-surgically reverse the onset of cleft palate in fetal mice - potentially one step in the journey to a b ...


Stick and slide: Computer simulation advances understanding of molecular motors

Biology / Cell & Microbiology

created Dec 02, 2009 | popularity not rated yet | comments 0

A new study reveals how molecular motors that power important subcellular movements can generate cyclical motion. The research, published by Cell Press in the December issue of the Biophysical Journal, opens a new door t ...


Researchers discover biological basis of 'bacterial immune system'

Chemistry / Biochemistry

created Nov 30, 2009 | popularity 4.8 / 5 (4) | comments 1

(PhysOrg.com) -- Bacteria don’t have easy lives. In addition to mammalian immune systems that besiege the bugs, they have natural enemies called bacteriophages, viruses that kill half the bacteria on Earth every two days.


Researchers identify new mechanism of blocking HIV-1 from entering cells

Medicine & Health / HIV & AIDS

created Nov 30, 2009 | popularity not rated yet | comments 0

Publishing in PLoS Pathogens, researchers at from the Kimmel Cancer Center at Jefferson have found a novel mechanism by which drugs block HIV-1 from entering host cells.


Researchers find long awaited key to creating drought resistant crops

Biology / Biotechnology

created 5 hours ago | popularity 4 / 5 (1) | comments 0

Van Andel Research Institute (VARI) researchers have determined precisely how the plant hormone abscisic acid (ABA) works at the molecular level to help plants respond to environmental stresses such as drought and cold. ...


First Pump-Probe Experiment at LCLS Completed

First Pump-Probe Experiment at Linac Coherent Light Source Completed

Physics / General Physics

created Nov 30, 2009 | popularity 4.7 / 5 (12) | comments 0

(PhysOrg.com) -- The first experiment using the Linac Coherent Light Source to illuminate molecules via a "pump-probe" technique has been completed by an international team of more than 30 scientists from ...


A little magic provides an atomic-level look at bone

Chemistry / Analytical Chemistry

created 22 hours ago | popularity 5 / 5 (1) | comments 0

(PhysOrg.com) -- A new study using solid-state NMR spectroscopy to analyze intact bone paves the way for atomic-level explorations of how disease and aging affect bone. The research by scientists at the University of Michigan ...


The hidden lives of proteins

The hidden lives of proteins

Chemistry / Biochemistry

created Dec 02, 2009 | popularity 5 / 5 (2) | comments 0

An important Brandeis study appearing in the December 3 issue of Nature raises the curtain on the hidden lives of proteins at the atomic level. The study reports that for the first time, researchers used x ...


It takes two to infect: Structural biologists shed light on mechanism of invasion protein

Biology / Cell & Microbiology

created Nov 30, 2009 | popularity 5 / 5 (1) | comments 0

Bacteria are quite creative when infecting the human organism. They invade cells, migrate through the body, avoid an immune response and misuse processes of the host cell for their own purposes. To this end every bacterium ...


Long-term physical activity has an anti-aging effect at the cellular level

Medicine & Health / Health

created Nov 30, 2009 | popularity 4.5 / 5 (2) | comments 0

Intensive exercise prevented shortening of telomeres, a protective effect against aging of the cardiovascular system, according to research reported in Circulation: Journal of the American Heart Association.


First live targeting of tumors with RNA-based technology

Chemistry / Biochemistry

created Nov 30, 2009 | popularity 4 / 5 (1) | comments 0

(PhysOrg.com) -- Finding and treating a tumor without disturbing normal tissue presents challenges - sometimes the most effective therapies can be invasive and harsh.


Human Mdm2: A new molecular link to late-stage metastatic breast cancer

Medicine & Health / Cancer

created Dec 02, 2009 | popularity not rated yet | comments 0

A large proportion of late-stage breast cancers that have spread to other parts of the body (metastatic breast cancers) are characterized by overexpression of the protein Mdm2.


Scent signals stop incest in lemurs

Biology / Evolution

created 19 hours ago | popularity not rated yet | comments 0

Chemical identifiers secreted from the genital glands of lemurs, allow them to avoid incest and also to engage in nepotism. Researchers writing in the open access journal BMC Evolutionary Biology have identified the smells ...


Immunity-Related Genes in Leafcutting Bee Uncovered

Immunity-Related Genes in Leafcutting Bee Uncovered

Biology / Plants & Animals

created Nov 30, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- The first analysis of immunity-related genes in a solitary bee has been conducted by Agricultural Research Service (ARS) scientists and cooperators.


Ant

Bacterial gut symbionts are tightly linked with the evolution of herbivory in ants

Biology / Plants & Animals

created Dec 01, 2009 | popularity 5 / 5 (1) | comments 0

Broadly speaking, ants have two different feeding strategies. A large proportion of all species are "carnivorous," meaning that they are generalist predators feeding on other small animals or scavenging on ...