New mechanism discovered in meiosis
Inactivated, but still active– how modification of an enzyme governs critical processes in sexual reproduction.
May 03, 2013
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May 03, 2013
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Random walks on DNA
Scientists have revealed how a bacterial enzyme has evolved an energy-efficient method to move long distances along DNA. The findings, published in Science, present further insight into the coupling of chemical and mechan ...
Apr 19, 2013
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The search for new antibiotics: Tiny proteins prevent bacterial gene transcription
(Phys.org) —In the search for new antibiotics, researchers are taking an unusual approach: They are developing peptides, short chains of protein building blocks that effectively inhibit a key enzyme of ...
Apr 09, 2013
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DNA catalysts do the work of protein enzymes
(Phys.org) —Illinois chemists have used DNA to do a protein's job, creating opportunities for DNA to find work in more areas of biology, chemistry and medicine than ever before.
Mar 19, 2013
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Selectively manipulating protein modifications
Protein activity is strictly regulated. Incorrect or poor protein regulation can lead to uncontrolled growth and thus cancer or chronic inflammation. Members of the Institute of Veterinary Biochemistry and Molecular Biology ...
Mar 10, 2013
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Resurrection of 3-billion-year-old antibiotic-resistance proteins
Scientists are reporting "laboratory resurrections" of several 2-3-billion-year-old proteins that are ancient ancestors of the enzymes that enable today's antibiotic-resistant bacteria to shrug off huge doses ...
Feb 27, 2013
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New protein probes find enzymes for biofuel production
New protein probes are now helping scientists find the best biomass-to-biofuel production enzymes that nature has to offer. Turning biomass into biofuel hinges on the breakdown of the energy-rich primary ...
Feb 06, 2013
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Scientists shed light on the 'dark matter' of DNA
In each cell, thousands of regulatory regions control which genes are active at any time. Scientists at the Research Institute of Molecular Pathology (IMP) in Vienna have developed a method that reliably ...
Jan 18, 2013
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Development of the first way to make large amounts of promising anti-cancer substance
Scientists are reporting development of the first practical way to make large amounts of a promising new anti-cancer substance that kills cancer cells differently than existing medicines. Their article on ...
Jan 16, 2013
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Study details dimmer switch for regulating cell's read of DNA code
(Phys.org)—Epigenetics - the science of how gene activity can be altered without changes in the genetic code - plays a critical role in every aspect of life, from the differentiation of stem cells to the ...
Jan 08, 2013
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Chemical probe finds fungal organism function: Activity-based protein profiling suggests how fungus becomes pathogenic
(Phys.org)—Two unique chemical probes designed at Pacific Northwest National Laboratory are helping scientists find how a pathogenic organism responsible for a severe lung infection thrives in human serum. ...
Jan 04, 2013
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Discovery may pave way to genetically enhanced biofuel crops
Best known for its ability to transform simmering pots of sugared fruit into marmalades and jams, pectin is a major constituent of plant cell walls and the middle lamella, the sticky layer that glues neighboring ...
Dec 20, 2012
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Protein engineers create new biocatalysts
Protein engineers at the California Institute of Technology (Caltech) have tapped into a hidden talent of one of nature's most versatile catalysts. The enzyme cytochrome P450 is nature's premier oxidation catalyst—a protein ...
Dec 20, 2012
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Lizard tails detach at a biological 'dotted line'
Like sheets of paper marked with perforated lines, gecko tails have unique structural marks that help them sever their tails to make a quick getaway. Though voluntarily shedding a body part in this manner ...
Dec 19, 2012
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Inside the advanced photon source
To see inside Argonne's Advanced Photon Source (APS), all it takes is a little bit of light.
Nov 19, 2012
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