News tagged with gene circuit


Synthetic gene circuit allows precise dosing of gene expression

Medicine & Health / Cancer

created Mar 10, 2009 | popularity not rated yet | comments 0

Researchers have crafted a gene circuit that permits precise tuning of a gene's expression in a cell, an advance that should allow for more accurate analysis of the gene's role in normal and abnormal cellular function.





Search results for gene circuit


Ecological speciation by sexual selection on good genes: Is speciation adaptive?

Biology / Ecology

created Nov 26, 2009 | popularity 5 / 5 (1) | comments 0

Darwin suggested that the action of natural selection can produce new species, but 150 years after the publication of his famous book, 'On the Origin of Species', debate still continues on the mechanisms of speciation. New ...


Nanowire Formation

Nanowires key to future transistors, electronics

Nanotechnology / Nanophysics

created Nov 26, 2009 | popularity 4.6 / 5 (9) | comments 2

(PhysOrg.com) -- A new generation of ultrasmall transistors and more powerful computer chips using tiny structures called semiconducting nanowires are closer to reality after a key discovery by researchers ...


Knockouts in human cells point to pathogenic targets

Knockouts in human cells point to pathogenic targets

Biology / Cell & Microbiology

created Nov 26, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- Whitehead researchers have developed a new approach for genetics in human cells and used this technique to identify specific genes and proteins required for pathogens.


Scientists reveal 'protector' gene behind 50-fold increase in number of bowel tumours

Medicine & Health / Cancer

created Nov 26, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- Cancer Research UK scientists have shown that deleting a single gene can increase the average number of tumours in the bowel by 50-fold, according to research published in PNAS today.


Whiteflies sabotage alarm system of plant in distress

Whiteflies sabotage alarm system of plant in distress

Biology / Plants & Animals

created Nov 26, 2009 | popularity 5 / 5 (3) | comments 0

(PhysOrg.com) -- When spider mites attack a bean plant, the plant responds by producing odours which attract predatory mites. These predatory mites then exterminate the spider mite population, thus acting ...


A RANK insider resolving the enigma of the fever chart

Medicine & Health / Research

created Nov 25, 2009 | popularity not rated yet | comments 0

Mammals have evolved a complex system for controlling bone remodeling. Babies require calcium for healthy bones and they obtain it from their mother's milk. Nursing mothers release calcium from their bones. Surprisingly, ...


Cells defend themselves from viruses, bacteria with armor of protein errors

Biology / Cell & Microbiology

created Nov 25, 2009 | popularity 5 / 5 (7) | comments 1

When cells are confronted with an invading virus or bacteria or exposed to an irritating chemical, they protect themselves by going off their DNA recipe and inserting the wrong amino acid into new proteins to defend them ...


Researchers discover biological basis of 'bacterial immune system'

Biology / Cell & Microbiology

created Nov 25, 2009 | popularity 4.7 / 5 (3) | comments 0

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.


Two molecules affecting brain plasticity

Medicine & Health / Neuroscience

created Nov 25, 2009 | popularity 4.8 / 5 (6) | comments 1

(PhysOrg.com) -- You wouldn't want a car with no brakes. It turns out that the developing brain needs them, too.


Feeding the clock

Feeding the clock: Cycles of feeding and fasting drive circadian gene expression in the liver

Medicine & Health / Research

created Nov 25, 2009 | popularity 4.5 / 5 (4) | comments 0

When you eat may be just as vital to your health as what you eat, found researchers at the Salk Institute for Biological Studies. Their experiments in mice revealed that the daily waxing and waning of thousands ...



List of search results for gene circuit