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Cell Biology News
Wed, 29 Oct 2014 14:56:38 EDT
Tiny carbon nanotube pores make big impact
Scientists have created a new kind of ion channel based on short carbon nanotubes, which can be inserted into synthetic bilayers and live cell membranes to form tiny pores that transport water, protons, small ions and DNA. These carbon nanotube "porins" have significant implications for future health care and bioengineering applications.
Wed, 29 Oct 2014 14:56:15 EDT
Scientists generate first human stomach tissue in lab with stem cells
Scientists used pluripotent stem cells to generate functional, three-dimensional human stomach tissue in a laboratory -- creating an unprecedented tool for researching the development and diseases of an organ central to several public health crises, ranging from cancer to diabetes. Scientists used human pluripotent stem cells -- which can become any cell type in the body -- to grow a miniature version of the stomach.
Wed, 29 Oct 2014 14:54:42 EDT
New frog discovered inhabiting I-95 corridor from Connecticut to North Carolina
More than a half century after claims that a new frog species existed in New York and New Jersey were dismissed, a team of scientists has proven that the frog is living in wetlands from Connecticut to North Carolina and are naming it after the ecologist who first noticed it.
Wed, 29 Oct 2014 14:12:16 EDT
Scientists make enzyme that could help explain origins of life
Mimicking natural evolution in a test tube, scientists have devised an enzyme with a unique property that might have been crucial to the origin of life on Earth.
Wed, 29 Oct 2014 14:12:14 EDT
Contamination likely explains 'food genes in blood' claim
Laboratory contaminants likely explain the results of a recent study claiming that complete genes can pass from foods we eat into our blood, according to a molecular biologist who re-examined data from the controversial research paper.
Wed, 29 Oct 2014 12:45:57 EDT
Mechanism that allows differentiated cell to reactivate as a stem cell revealed
A study, performed with fruit flies, describes a gene that determines whether a specialized cell conserves the capacity to become a stem cell again. Unveiling the genetic traits that favor the retention of stem cell properties is crucial for regenerative medicine.
Wed, 29 Oct 2014 12:45:55 EDT
Meiotic cell division 'the other way round'
Meiosis is the two-step series of cell divisions that make sexual reproduction and genetic diversity possible. Researchers have now dived into the process of meiosis in specific plant species and revealed that these plants display an inversion of the standard meiotic phases.
Wed, 29 Oct 2014 12:45:48 EDT
Why plants don't get sunburn
Plants rely on sunlight to make their food, but they also need protection from its harmful rays, just like humans do. Recently, scientists discovered a group of molecules in plants that shields them from sun damage. Now scientists report on the mechanics of how these natural plant sunscreens work.
Wed, 29 Oct 2014 09:52:03 EDT
Nano ruffles in brain matter
Researchers have deciphered the role of nanostructures around brain cells in the central nervous system. An accumulation of a protein called amyloid-beta into large insoluble deposits called plaques is known to cause Alzheimer's disease. One aspect of this illness that has not received much attention is which role the structure of the brain environment plays. How do macromolecules and macromolecular assemblies, such as polysaccharides, influence cell interaction in the brain?
Wed, 29 Oct 2014 09:50:02 EDT
Genome sequenced of enterovirus D68 circulating in St. Louis
The genome of enterovirus D68 sampled from patients treated at St. Louis Children’s Hospital has been sequenced by researchers. Nationwide, the virus has spread rapidly in recent months and caused severe respiratory illness in young children, with some patients requiring hospitalization.
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