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500 years ago, yeast's epic journey gave rise to lager beer

(PhysOrg.com) -- In the 15th century, when Europeans first began moving people and goods across the Atlantic, a microscopic stowaway somehow made its way to the caves and monasteries of Bavaria.

Biology / Cell & Microbiology

created Aug 22, 2011 | popularity 4.8 / 5 (12) | comments 5 | with audio podcast

Brewery from 500 BC reveals its secrets

(PhysOrg.com) -- A scientist studying an ancient Celtic site believes he has worked out the recipe they used for making beer around the year 500 BC.

Other Sciences / Archaeology & Fossils

created Jan 17, 2011 | popularity 4.8 / 5 (11) | comments 7 | with audio podcast report

Scientists overcome major obstacles to cellulosic biofuel production

A newly engineered yeast strain can simultaneously consume two types of sugar from plants to produce ethanol, researchers report. The sugars are glucose, a six-carbon sugar that is relatively easy to ferment; ...

Biology / Biotechnology

created Dec 27, 2010 | popularity 4.6 / 5 (21) | comments 13 | with audio podcast

Researchers expand yeast's sugary diet to include plant fiber

(PhysOrg.com) -- University of California, Berkeley, researchers have taken genes from grass-eating fungi and stuffed them into yeast, creating strains that produce alcohol from tough plant material - cellulose ...

Biology / Biotechnology

created Sep 09, 2010 | popularity 4.8 / 5 (4) | comments 0 | with audio podcast

Gene discovery potential key to cost-competitive cellulosic ethanol

(PhysOrg.com) -- Scientists at the Oak Ridge National Laboratory are improving strains of microorganisms used to convert cellulosic biomass into ethanol, including a recent modification that could improve ...

Biology / Biotechnology

created May 20, 2010 | popularity 4.8 / 5 (4) | comments 3 | with audio podcast

To starve a tumor

(PhysOrg.com) -- Since the 1920s, scientists have known that cancer cells generate energy differently than normal cells, a phenomenon dubbed the 'Warburg effect' after its discoverer, German biochemist Otto ...

Chemistry / Biochemistry

created Apr 06, 2010 | popularity 4.6 / 5 (13) | comments 0 | with audio podcast

Chemical engineers find high-yield method of making xylene from biomass

A team of chemical engineers led by Paul J. Dauenhauer of the University of Massachusetts Amherst has discovered a new, high-yield method of producing the key ingredient used to make plastic bottles from biomass. The process ...

Chemistry / Materials Science

created Apr 30, 2012 | popularity 5 / 5 (4) | comments 3 | with audio podcast

Increased honey bee diversity means fewer pathogens, more helpful bacteria

A novel study of honey bee genetic diversity co-authored by an Indiana University biologist has for the first time found that greater diversity in worker bees leads to colonies with fewer pathogens and more ...

Biology / Plants & Animals

created Mar 12, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Researchers develop 'super' yeast that turns pine into ethanol

Researchers at the University of Georgia have developed a "super strain" of yeast that can efficiently ferment ethanol from pretreated pine -- one of the most common species of trees in Georgia and the U.S. Their research ...

Biology / Biotechnology

created Nov 18, 2011 | popularity 4.3 / 5 (3) | comments 9 | with audio podcast

Pretreatment, proper harvest time boost ethanol from switchgrass

Adding a pretreatment step would allow producers to get more ethanol from switchgrass harvested in the fall, according to a Purdue University study.

Biology / Biotechnology

created Aug 31, 2011 | popularity not rated yet | comments 0 | with audio podcast

New discovery turns seaweed into biofuel in half the time

University of Illinois scientists have engineered a new strain of yeast that converts seaweed into biofuel in half the time it took just months ago. That's a process that's important outside the Corn Belt, said Yong-Su Jin, ...

Biology / Biotechnology

created Aug 29, 2011 | popularity 4.3 / 5 (4) | comments 6 | with audio podcast

Single microbial gene linked to increased ethanol tolerance

(PhysOrg.com) -- A team of researchers from the Department of Energy's BioEnergy Science Center has pinpointed a single, key gene in a microbe that could help streamline the production of biofuels from non-food ...

Biology / Biotechnology

created Aug 15, 2011 | popularity not rated yet | comments 0 | with audio podcast

Same fungus, different strains

Fungi play key roles in nature and are valued for their great importance in industry. Consider citric acid, a key additive in several foods and pharmaceuticals produced on a large-scale basis for decades with ...

Biology / Biotechnology

created May 13, 2011 | popularity not rated yet | comments 0 | with audio podcast

Wine yeasts reveal prehistoric microbial world

However, one of the most well-known characteristics of yeast is the ability of Saccharomyces cerevisiae, baker's yeast, to ferment sugar to 2-carbon components, in particular ethanol, without completely oxidising it to car ...

Biology / Evolution

created May 11, 2011 | popularity not rated yet | comments 0 | with audio podcast

Bioengineers develop bacterial strain to increase ethanol biofuel production

A team of Bioengineers in the United States have modified a strain of bacteria to increase its ability to produce ethanol. The research, published in Biotechnology and Bioengineering, reveals how adaptation and metabolic engine ...

Biology / Biotechnology

created Dec 10, 2010 | popularity 4.5 / 5 (2) | comments 0 | with audio podcast