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Tag: "architecture" at biology news

Rats infected as newborns grew up vulnerable to memory problems during an immune challenge

... stored. The early alterationS may be to the basic architecture of glial cells called astrocytes within the hippocampus, which in turn help the central nervous system respond to injury or infection. Because astrocytes also help to determine the number and connectivity of nervous system synapses early in life, esp...

Two are better than one

... for distinctly different attachment points on the architecture of the receptors, resulting in the assembly of a large, springy molecular scaffolding between the receptor towers. The interlocking system grips and pulls the receptors towards each other until they collapse inward like overloaded laundry lines. The ...

The genetic origins of corn on the cob

...ferent levels of activity have a big impact on the architecture of the plants," says Dr. Robert Martienssen of Cold Spring Harbor Laboratory, who led the study. "The ramosa1 gene appears to be a key player in the domestication of corn, and we've shown that it acts by signaling cells to form short rather than long...

$6.5 Million Grant for Microarray Center at Yale School of Medicine

...ferent levels of activity have a big impact on the architecture of the plants," says Dr. Robert Martienssen of Cold Spring Harbor Laboratory, who led the study. "The ramosa1 gene appears to be a key player in the domestication of corn, and we've shown that it acts by signaling cells to form short rather than long...

Studies on human genome variation provide insight into disease

...r Larionov and his colleagues examined the genetic architecture of the SPANX cluster and showed how the region e...in some individuals ?is determined by the specific architecture of the SPANX gene cluster on the X chromosome. "We're hoping to clarify which specific types of g...

Housecat-sized Siberian tiger cubs get collared

...r Larionov and his colleagues examined the genetic architecture of the SPANX cluster and showed how the region e...in some individuals ?is determined by the specific architecture of the SPANX gene cluster on the X chromosome. "We're hoping to clarify which specific types of g...

A bug's life: Exceptional genomic stability yet rapid protein evolution in a carpenter ant mutualist

... despite having precisely maintained their genomic architecture over long periods of evolutionary time. In their report, published today in the journal Genome Research, the scientists discuss this model in the ecological context of host-symbiont interplay. "Symbiosis is an important driver of evolutionary novelt...

Brains response to visual stimuli helps us to focus on what we should see, rather than all there is to see

Delving ever deeper into the intricate architecture of the brain, researchers at The Salk Institute have now described how two different types of nerve cells, called neurons, work together in tiny sub-networks to pass on just the right amount and the right kind of sensory information. Their study, pu...

Scientists map one of biology's critical light-sensing structures

...phytochrome, according to the report, suggests its architecture first arose a billion or so years ago in a common ...hey flower in the correct season." By deducing the architecture of the phytochrome protein, according to Vierstra and Forest, it may be possible to engineer and int...

Zooming in on the protein-conducting channel

...nk. “Now that we have these new insights into the architecture of the PCC in its translocating, and possibly non-translocating state, we can explore the mechanisms of perpendicular versus lateral transport,?Frank said. ...

Growth hormone is made in the brain, report scientists

...trogen, have a tremendous effect on the growth and architecture of the brain. Several studies in our lab and in others have shown that males learn differently than females. It is possible that sex differences in these hormones are somehow involved." ...

New research demonstrates bone-marrow derived stem cells can reverse genetic kidney disease

...mal's kidney function and repair of the glomerular architecture defects. "These results offer a possible therapeutic opportunity for both children and adults with Alport syndrome," he says. In addition, the new findings demonstrate that bone-marrow-derived stem cells can be used to repair extracellular/basement ...

The evolution of food plants: Genetic control of grass flower architecture

...derstanding genetic control of grass inflorescence architecture because seeds of cereal grasses (e.g. rice, wheat,... at their base. Many different genes control the architecture as well as the nutrient content in cereal grasses. The ramosa2 (ra2) mutant of maize has increased ...

How nerve cells stay in shape

...e brain-specific Staufen2 protein was missing, the architecture of the synapses was severely disturbed. Instead of a number of mushroom-shaped dendritic spines, the cell only produced long, thin protuberances (see image 2), similar in shape to immature synapses. A more detailed analysis of the actin cytoskeleton ...

UC San Diego partners with Venter Institute to build marine microbial genomics cyberinfrastructure

...or on both the OptIPuter and CAMERA projects. "The architecture is quite general and will be quickly adaptable to other areas of data-intensive science." Collaboratories are virtual laboratories where scientists can collaborate on research from dispersed locations--interacting with colleagues, accessing instrume...

Mouse to man: The story of chromosomes

...genes between species coincide with changes in the architecture of the chromosome itself. In some cases, DNA repeats get in the way. In others, there are rearrangements of the genome that occur during the process of cell reproduction. "As we go up the mammalian line, and particularly in primate, it is obvious t...

On a fly's wing, scientists tally evolution's winners and losses

...genes between species coincide with changes in the architecture of the chromosome itself. In some cases, DNA repeats get in the way. In others, there are rearrangements of the genome that occur during the process of cell reproduction. "As we go up the mammalian line, and particularly in primate, it is obvious t...

Molecule does more than slice and dice RNA

...ing cells, rearranging genomes and laying down the architecture of the brain, for example. In the lab, Dicer is used in mice to switch off any combination of genes -- either in targeted or in random fashion -- to infer a gene's function, a capability that may be especially useful in understanding cancer and deve...

Advanced genomics and proteomics improve the diagnosis and treatment of a deadly lung disease

...ing cells, rearranging genomes and laying down the architecture of the brain, for example. In the lab, Dicer is used in mice to switch off any combination of genes -- either in targeted or in random fashion -- to infer a gene's function, a capability that may be especially useful in understanding cancer and deve...

Manchester scientists create new bio-gel for 3D cell culture

...earchers, we have greater control over the fibrous architecture and the physical properties of the gels. These materials offer us great potential for future applications in wound healing and regenerative medicine." Dr Ulijn and his collaborators have successfully cultured cartilage cells using the gel. They foun...

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