News tagged with yeast cells
Yeast in a shell: Coating individual living yeast cells with silicon dioxide
Nov 03, 2009 |
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(PhysOrg.com) -- Our breakfast egg is a peculiarity of nature: a single cell protected by a thin mineral layer. Apart from a number of tiny radiolaria and diatoms, individual cells normally do not have a hard shell. Korean ...
Researchers determine the composition of centromeric chromatin
Sep 28, 2009 |
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The Stowers Institute's Gerton Lab has provided new evidence to clarify the structure of nucleosomes containing Cse4, a centromere-specific histone protein required for proper kinetochore function, which plays a critical ...
RNA interference found in budding yeasts
Sep 11, 2009 |
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Some budding yeast species have the ability to silence genes using RNA interference (RNAi). Until now, most researchers thought that no budding yeasts possess the RNAi pathway because Saccharomyces cerevisiae, the protoypical ...
New technique allows scientists to penetrate yeast cells' hard exterior
Sep 03, 2009 |
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(PhysOrg.com) -- If you want to know how a cell responds to a particular chemical, the experiment is simple: Inject it with that chemical. Micropipettes — tiny needles that can puncture a cell and deliver ...
Researchers Clone and Engineer Bacterial Genomes in Yeast and Transplant Genomes Back into Bacterial Cells
Aug 24, 2009 |
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Researchers at the J. Craig Venter Institute (JCVI), a not-for-profit genomic research organization, published results today describing new methods in which the entire bacterial genome from Mycoplasma mycoides was cloned ...
New method may accelerate drug discovery for difficult diseases like Parkinson's
Jul 13, 2009 |
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Whitehead Institute scientists have developed a rapid, inexpensive drug-screening method that could be used to target diseases that until now have stymied drug developers, such as Parkinson's disease. This technique uses ...
Study pinpoints novel cancer gene and biomarker
Jun 24, 2009 |
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(PhysOrg.com) -- Dana-Farber Cancer Institute scientists' discovery of a cancer-causing gene - the first in its family to be linked to cancer - demonstrates how the panoramic view of genomics and the close-up ...
Glucose to glycerol conversion in long-lived yeast provides anti-aging effects
May 08, 2009 |
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Cell biologists have found a more filling substitute for caloric restriction in extending the life span of simple organisms. In a study published May 8 in the open-access journal PLoS Genetics, researchers from the Univer ...
Advance toward producing biofuels without stressing global food supply
May 07, 2009 |
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Scientists in California are reporting use of a first-of-its-kind approach to craft genetically engineered microbes with the much-sought ability to transform switchgrass, corn cobs, and other organic materials ...
Nanosatellite to Study Antifungal Drug Effectiveness in Space
Space & Earth / Space Exploration
Apr 28, 2009 |
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(PhysOrg.com) -- NASA is preparing to fly a small satellite about the size of a loaf of bread that could help scientists better understand how effectively drugs work in space. The nanosatellite, known as PharmaSat, ...
Starve a yeast, sweeten its lifespan
Mar 24, 2009 |
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Johns Hopkins researchers have discovered a new energy-making biochemical twist in determining the lifespan of yeast cells, one so valuable to longevity that it is likely to also functions in humans.
Not so sweet: Over-consumption of sugar linked to aging
Mar 06, 2009 |
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We know that lifespan can be extended in animals by restricting calories such as sugar intake. Now, according to a study published in the journal PLoS Genetics, Université de Montréal scientists have discov ...
Self-digestion as a means of survival
Feb 27, 2009 |
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In times of starvation, cells tighten their belts: they start to digest their own proteins and cellular organs. The process - known as autophagy - takes place in special organelles called autophagosomes. It is a strategy ...
Commercial yeasts upgraded with an enzyme for biofuel production
Feb 24, 2009 |
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Eckhard Boles, co-founder of the Swiss biofuel company Butalco GmbH and a professor at Goethe-University in Frankfurt, Germany, has discovered a new enzyme which teaches yeast cells to ferment xylose into ethanol. Xylose ...
A budding role for a cellular dynamo
Biology /
Feb 18, 2009 |
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Actin, a globular protein found in all eukaryotic cells, is a workhorse that varies remarkably little from baker's yeast to the human body. Part of the cytoskeleton, actin assembles into networks of filaments that give the ...
