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A new optical microscopy approach opens the door to better observations in molecular biology

Researchers from the Institut Pasteur and CNRS have set up a new optical microscopy approach that combines two recent imaging techniques in order to visualize molecular assemblies without affecting their biological ...

Biology / Cell & Microbiology

created May 17, 2012 | popularity not rated yet | comments 0

Head and body lice appear to be the same species, genetic study finds

A new study offers compelling genetic evidence that head and body lice are the same species. The finding is of special interest because body lice can transmit deadly bacterial diseases, while head lice do ...

Biology / Plants & Animals

created Apr 09, 2012 | popularity not rated yet | comments 2 | with audio podcast

Using viruses to beat superbugs

Viruses that can target and destroy bacteria have the potential to be an effective strategy for tackling hard-to-treat bacterial infections. The development of such novel therapies is being accelerated in response to growing ...

Biology / Cell & Microbiology

created Mar 26, 2012 | popularity 4 / 5 (2) | comments 1

Frontal attack or stealth? How subverting the immune system shapes the arms race between bacteria and hosts

Why is it that Mycobacterium tuberculosis can cause tuberculosis with as little as 10 cells, whereas Vibrio cholerae requires the host to ingest up to tens of millions of cells to cause cholera? This is the ...

Biology / Cell & Microbiology

created Feb 27, 2012 | popularity 4 / 5 (1) | comments 0

Study offers new information for flu fight

Influenza virus can rapidly evolve from one form to another, complicating the effectiveness of vaccines and anti-viral drugs used to treat it. By first understanding the complex host cell pathways that the flu uses for replication, ...

Biology / Cell & Microbiology

created Jan 27, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Fish may provide key to stopping disease spread, researcher says

A small fish may prove useful to understanding a worldwide health problem, if a Wayne State University researcher is correct.

Biology / Cell & Microbiology

created Dec 12, 2011 | popularity not rated yet | comments 0

Human cells build protein cages to trap invading Shigella

In research on the never-ending war between pathogen and host, scientists at the Pasteur Institute in Paris have discovered a novel defensive weapon, a cytoskeletal protein called septin, that humans cells deploy to cage ...

Biology / Cell & Microbiology

created Dec 04, 2011 | popularity 3 / 5 (1) | comments 0 | with audio podcast

Flight patterns reveal how mosquitoes find hosts to transmit deadly diseases

The carbon dioxide we exhale and the odors our skins emanate serve as crucial cues to female mosquitoes on the hunt for human hosts to bite and spread diseases such as malaria, dengue and yellow fever.

Biology / Cell & Microbiology

created Sep 30, 2011 | popularity 5 / 5 (3) | comments 5 | with audio podcast

Targeting toxin trafficking

Toxins produced by plants and bacteria pose a significant threat to humans, as emphasized by the recent effects of cucumber-borne Shiga toxin in Germany. Now, new research published on July 21st by the Cell Press journal ...

Biology / Cell & Microbiology

created Jul 21, 2011 | popularity not rated yet | comments 0

New discovery is a significant boost to cancer research

A team of scientists led by the University of East Anglia (UEA) has discovered a brand new group of molecules which could help fight the spread of cancer and other diseases.

Chemistry / Biochemistry

created Apr 04, 2010 | popularity 4.9 / 5 (12) | comments 0 | with audio podcast

A molecular brake for the bacterial flagellar nano-motor

Researchers at the University of Basel, Switzerland, have discovered that Escherichia coli bacteria harness a sophisticated chemosensory and signal transduction machinery that allows them to accurately control ...

Biology / Cell & Microbiology

created Mar 19, 2010 | popularity 3 / 5 (1) | comments 0

Scientists measure energy released from a virus during infection

Within a virus's tiny exterior is a store of energy waiting to be unleashed. When the virus encounters a host cell, this pent-up energy is released, propelling the viral DNA into the cell and turning it into a virus factory. ...

Biology / Cell & Microbiology

created Feb 05, 2010 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Parasite evades death by promoting host cell survival

Researchers have discovered how the parasite Trypanosoma cruzi, which causes Chagas' disease, prolongs its survival in infected cells. A protein on the parasite activates the enzyme Akt, which blocks cell ...

Chemistry / Biochemistry

created Dec 08, 2009 | popularity not rated yet | comments 0

Findings uncover new details about mysterious virus

(PhysOrg.com) -- An international team of researchers has determined key structural features of the largest known virus, findings that could help scientists studying how the simplest life evolved and whether the unusual virus ...

Biology / Cell & Microbiology

created Apr 28, 2009 | popularity 5 / 5 (4) | comments 3

New insight into an old reaction: Adenylylation regulates cell signaling

A new study reveals the importance of adenylylation in the regulation of cell signaling from bacteria to higher organisms. The research, published by Cell Press in the April 10th issue of the journal Molecular Cell, provid ...

Biology / Cell & Microbiology

created Apr 09, 2009 | popularity 4 / 5 (1) | comments 0