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How environmental effects regulate genes

Swiss researchers provide evidence that a protein in the cell nucleus responds to environmental stimuli like a kind of sensor, regulates genes accordingly and thus exchanges information with the cell memory. ...

Biology / Cell & Microbiology

created May 22, 2012 | popularity 5 / 5 (1) | comments 0

Garlic constituent blocks biofilm formation, could benefit CF patients and others

E Pluribus Unum, the motto of the United States, could just as well apply to biofilm-forming bacteria. Bacterial biofilms are far more resistant than individual bacteria to the armories of antibiotics we have devised to combat ...

Biology / Cell & Microbiology

created May 22, 2012 | popularity 5 / 5 (4) | comments 0

MIT biologist relishes the challenge of picking apart the cell's most complex structure

One of the most important structures in a cell is the nuclear pore complex — a tiny yet complicated channel through which information flows in and out of the cell’s nucleus, directing all other cell ...

Biology / Cell & Microbiology

created May 22, 2012 | popularity 4.5 / 5 (2) | comments 2 | with audio podcast

How one strain of MRSA becomes resistant to last-line antibiotic

Researchers have uncovered what makes one particular strain of methicillin-resistant Staphylococcus aureus (MRSA) so proficient at picking up resistance genes, such as the one that makes it resistant to vancomycin, the last ...

Biology / Cell & Microbiology

created May 22, 2012 | popularity 5 / 5 (5) | comments 2 | with audio podcast

Mechanical properties of stem cells can foretell what they will become

To become better healers, tissue engineering need a timely and reliable way to obtain enough raw materials: cells that either already are or can become the tissue they need to build. In a new study, Brown ...

Biology / Cell & Microbiology

created May 21, 2012 | popularity not rated yet | comments 0 | with audio podcast

Genes culled from desert soils suggest potential medical resource

Despite their ecologic similarity, soils from three geographically distinct areas of the American southwest harbor vastly different collections of small, biosynthetic genes, a finding that suggests the existence of a far ...

Biology / Cell & Microbiology

created May 21, 2012 | popularity not rated yet | comments 0

Zooming in on bacterial weapons in 3-D

The plague, bacterial dysentery, and cholera have one thing in common: These dangerous diseases are caused by bacteria which infect their host using a sophisticated injection apparatus. Through needle-like ...

Biology / Cell & Microbiology

created May 21, 2012 | popularity 3 / 5 (1) | comments 0 | with audio podcast

A cell's first steps: Building a model to explain how cells grow

A collaboration between Lehigh University physicists and University of Miami biologists addresses an important fundamental question in basic cell biology: How do living cells figure out when and where to grow?

Biology / Cell & Microbiology

created May 18, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

New key mechanism in cell division discovered

Researchers from the Bellvitge Biomedical Research Institute (IDIBELL) have identified the mechanism by which protein Zds1 regulates a key function in mitosis, the process that occurs immediately before cell division. The ...

Biology / Cell & Microbiology

created May 18, 2012 | popularity 5 / 5 (1) | comments 0

Central nervous system stem cells shed light on mechanism that controls asymmetrical division

Animals consist of many distinct cell types, all of which originate during development from a single cell: the fertilized egg. To generate this vast cellular diversity, the egg and its descendants must divide ...

Biology / Cell & Microbiology

created May 18, 2012 | popularity not rated yet | comments 0

New technique used to discover new viruses in poultry

In a search to find better ways to control viral enteric diseases in birds, U.S. Department of Agriculture (USDA) scientists have unearthed a treasure trove of previously known and unknown viruses in poultry ...

Biology / Cell & Microbiology

created May 18, 2012 | popularity 5 / 5 (1) | comments 0

Bacteria alive (more or less) in 86-million-year-old seabed clay

(Phys.org) -- A new study by scientists from Denmark and Germany has found live bacteria trapped in red clay deposited on the ocean floor some 86 million years ago. The bacteria use miniscule amounts of oxygen ...

Biology / Cell & Microbiology

created May 18, 2012 | popularity 4.5 / 5 (15) | comments 10 | with audio podcast report

Group finds circadian clock common to almost all life forms

(Phys.org) -- A group of biology researchers, led by Akhilesh Reddy from Cambridge University have found an enzyme that they believe serves as a circadian clock that operates in virtually all forms of life. ...

Biology / Cell & Microbiology

created May 17, 2012 | popularity 5 / 5 (7) | comments 8 | with audio podcast report

New technique reveals unseen information in DNA code

Imagine reading an entire book, but then realizing that your glasses did not allow you to distinguish "g" from "q." What details did you miss? Geneticists faced a similar problem with the recent discovery ...

Biology / Cell & Microbiology

created May 17, 2012 | popularity 4.8 / 5 (12) | comments 2 | with audio podcast

Researchers reveal an RNA modification influences thousands of genes

Over the past decade, research in the field of epigenetics has revealed that chemically modified bases are abundant components of the human genome and has forced us to abandon the notion we've had since high school genetics ...

Biology / Cell & Microbiology

created May 17, 2012 | popularity 5 / 5 (2) | comments 4 | with audio podcast