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Tag: "reconstruction" at biology news

Tiny scaffolding allows stem cells to become working fat cells

...w approach to growing fat tissue for use in breast reconstruction surgery and other clinical needs, and may even be important for curing type II diabetes. Douglas Kniss, professor of obstetrics and gynecology and of biomedical engineering at Ohio State University, reported this progress in the current issue of the...

Navigating an integrated yeast network

...angled to provide [the] basis for detailed network reconstruction and to elucidate fundamental organizational principles of biological networks." This press release is based on the following article: Motifs, themes and thematic maps of an integrated Saccharomyces cerevisiae interaction network Lan V Zhang, Olive...

Decoding the logic of olfaction

...might be seeing is at least an initial step in the reconstruction of an 'odor image' from its deconstructed features," she said. ...

Genpathway and Baylor College of Medicine Identify New Genes in Breast Cancer

...might be seeing is at least an initial step in the reconstruction of an 'odor image' from its deconstructed features," she said. ...

Researchers discover underwater volcano

Editor : See pictures of "Eel city" and 3D reconstruction of the volcano on their webpage . A team of scientists, led by researchers at Scripps Institution of Oceanography at the University of California, San Diego, has discovered an active underwater volcano near the Samoan Island chain. During a resea...

Tsunami-damaged coral reefs should be left to recover naturally, say scientists

... all of the affected nations. "However, long-term reconstruction efforts will need to examine requirements for rebu...ved and adapted over a long time." Poorly planned reconstruction programmes undertaken on the land can also adversely affect marine wildlife, say the scientists. Pro...

Researchers reveal secrets of flying snakes

...ideo cameras to record in stereo, enabling the 3-D reconstruction of the head, midpoint and vent coordinates of the snake throughout its trajectory. Socha found that the snake uses its ribs to change its body shape; it flattens from head to vent. The snake takes control of its flight by undulating through the air ...

The making and breaking of microtubules

... it was impossible for us to use classical helical reconstruction methods," he says, "but there were no other method...Once it was ready, we were able to get the correct reconstruction in less than three months." Next the researchers tackled the polymerization process, watching what ...

Fungus-farming termites descend from an African rain forest Eve

...riculture originated in African rain forest. Their reconstruction of ancestral habitats is based on the habitat of living species and analysis of DNA-based reconstructions of termite relationships. The rain forest origin of fungus-growing termites is remarkable, as extant species of fungus-growing termites are eco...

Deep sea algae connect ancient climate, carbon dioxide and vegetation

...y unknown," said Pagani, who is recognized for his reconstruction of past atmospheric carbon dioxide levels between 25 million and eight million years ago. They also present intriguing evidence that the sharp drop in carbon dioxide level, between 33 - 25 million years ago, prompted the origin of economically impor...

Invasive parasite destroying fish species

...y unknown," said Pagani, who is recognized for his reconstruction of past atmospheric carbon dioxide levels between 25 million and eight million years ago. They also present intriguing evidence that the sharp drop in carbon dioxide level, between 33 - 25 million years ago, prompted the origin of economically impor...

Stem cells grown in lab mirror normal developmental steps

...y unknown," said Pagani, who is recognized for his reconstruction of past atmospheric carbon dioxide levels between 25 million and eight million years ago. They also present intriguing evidence that the sharp drop in carbon dioxide level, between 33 - 25 million years ago, prompted the origin of economically impor...

Multi-species genome comparison sheds new light on evolutionary processes, cancer mutations

... on an analysis that included a computer-generated reconstruction of the genomes of long-extinct mammals, researchers found the rate of chromosomal evolution among mammals dramatically accelerated following the extinction of the dinosaurs about 65 million years ago. Before the sudden demise of dinosaurs and many o...

Spiders help scientists discover how muscles relax

...e the map, they soon had their structure. "The new reconstruction was very detailed; we were all amazed with the level of detail that it showed," Padron said. The structure provides crucial new details. A twisting, symmetrical arrangement of myosin heads spaced around the filament's circumference surrounds a backb...

Skull study sheds light on dinosaur diversity

...Jeffrey Wilson says. Wilson's recent restudy and reconstruction of the skull of a Mongolian sauropod adds to a gro... the end of the dinosaur era. Wilson described the reconstruction and the conclusions he drew from it in a paper published Aug. 24 in the Journal of Systematic Palaeo...

North & South American researchers find architectural abnormalities in T. cruzi ribosome

...res by a method he developed for three-dimensional reconstruction of large molecules using electron microscopy and i... result of Frank's electron microscope imaging and reconstruction methods. The ribosomes of different eukaryotic organisms have only slight differences in their peri...

MIT researcher finds neuron growth in adult brain

...her two-dimensional slices to create the first 3-D reconstruction of entire neurons in the adult cortex. Dendritic branch tips were measured over weeks to evaluate physical changes. What the researchers saw amazed them. In 3-D time-lapse images, the brain cells look like plants sprouting together. Some push ou...

Tsunami + 1 year: Reviving exhausted fisheries should trump replacing boats, gear, experts say

...mmunities to ensure sustainable livelihoods. "The reconstruction phase following the tsunami, however, has created a window of opportunity to institute reforms needed for the long-term," says Dr. Hall. "Armed with good intentions and awash with money, but without clear co-ordination and a coherent strategy, many ...

How E. coli bacterium generates simplicity from complexity

...oli and other model organisms, but our large-scale reconstruction of regulatory and metabolic networks involving hundreds of these parts has shown that all this genetic complexity yields surprisingly few physiological functions. This is possibly a general principal in many, if not all, species." Palsson and his co...

Targeted drug delivery achieved with nanoparticle-aptamer bioconjugates

...o used high magnification microscopy and 3-D image reconstruction to study the localisation of the bioconjugates after incubation with the prostate cancer cells and confirmed that the particles were rapidly internalised into the targeted cells ?an important fact since the payload of nanoparticles may be released in...

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