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Oral bacteria resulting from poor dental hygiene shows a potential association with Alzheimer’s disease

Researchers examined samples from the brains of patients with and without dementia and found lipopolysaccharide, a component of Porphyromonas gingivalis, an oral bacterium, in four out of 10 Alzheimer’s disease brain samples.

“This clearly shows that there is an association between oral bacte... Read More

El podcast del Microbio Nº 270 y 271: Maternidad viral (Viral Motherhood)




























El podcast del Microbio Nº270 and 271 are an Spanish language adaptation of Carl Zimmer's article: "Mammals made by viruses" (... Read More

El pocast del microbio Nº 221: Virología Ambiental y Microbioma (Environmental Virology and Microbiome)



























El podcast del Microbio Nº 221 summarize the PLoS ONE paper by Krupovic and Forterre on the presence of microviridae provir... Read More

The U.S. Army’s updated biomedical regulations for select agents

A new post on the Bulletin for Atomic Scientists website reviews the U.S. Army's revised regulations for its biomedical labs. The updated requirements intends to clarify vague language in civilian biological agents guidelines. In addition, "the new regulations establish stricter controls on t... Read More

TWiM 73 Letters

Mark writes:


Hello Team TWiM,


I’ve followed with interest your coverage of Michael’s research into use of copper to fight hospital infection. Of all the interesting papers covered in 2013, I think the one most actionable is episode 55, The Copper Room. His res... Read More

Event - Ethical Issues in Synthetic Biology

June 24, 2009 12:30 – 1:30 PM

The emerging field of synthetic biology will allow researchers to create biological systems that do not occur naturally as well as to re-engineer existing biological systems to perform novel and beneficial tasks. As the science and its applications develop, a com... Read More

Taq Polymerase and the PCR

Morehouse College Biology students Rob Williams and Tony Gibson present on the process of Taq production and the polymerase chain reaction. Read More

Contact

When viruses come into contact with host cells, they trigger the cells to engulf them, or fuse themselves to the cell membrane so they can release their DNA into the cell.

Once inside a host cell, viruses take over its machinery to reproduce. Viruses override the host cell’s normal functioni... Read More

World Health Day – 7 April 2011 Antimicrobial resistance: no action today, no cure tomorrow

Antimicrobial resistance is not a new problem but one that is becoming more dangerous; urgent and consolidated efforts are needed to avoid regressing to the pre-antibiotic era.

For World Health Day 2011, WHO is introducing a six-point policy package to combat the spread of antimicrobial resis... Read More

Microbiology Dilution Series Demonstration

Here's a nice demonstration video by Dr. Conor O'Bryne from the Dept. of Microbiology at National University of Ireland, Galway, showing how to perform a serial dilution on a liquid food sample (in this case raw unpasteurised milk). The raw milk sample is diluted down to 1/1000 in a sterile dil... Read More

El podcast del Microbio Nº 280. Vacunas, lo tomas o lo dejas. (Vaccines: take it or leave it)



























Last March, there was a measles outbreak in the Spanish town of Alicante due to the lack of effective vaccination as a result of... Read More

El podcast del Microbio Nº213. Bacterias come-plástico (Plastic eater bacteria)



























El podcast del Microbio Nº213 summarize the recent finding of marine bacteria that digest plastic published in Nature. El p... Read More

Promiscuous Bacteria and Viral Playboys

Bacteria have been sexually promiscuous, swapping genes with gusto, for a very long time. More than 15% of E. coli's genome has arrived via horizontal gene transfer (HGT), with some 200 installments having turned up since it diverged from Salmonella 100 million years ago. And, as you are probabl... Read More

A retrovirus makes chicken eggshells blue

When you purchase chicken eggs at the market, they usually have white or brown shells. But some breeds of chicken produce blue or green eggs. The blue color is caused by insertion of a retrovirus into the chicken genome, which activates a gene involved in the production of blue eggs. Read More

El podcast del Microbio N224. Fin de la Segunda Temporada (End of Second Season)



























El podcast del Microbio Nº 224 is a "season finale" special. It will be back in october. Thanks!. El podcast del Microbio ... Read More

TWiV 267: Snow in the headlights



Hosts: Vincent Racaniello, Alan Dove, Read More

TWiV 242: I want my MMTV



Hosts: Vincent Racaniello, Dickson Despommier Read More

CDC's 2009 H1N1 Vaccination Recommendations (Podcast)

Dr. Tony Fiore discusses who should be vaccinated against 2009 H1N1 flu during the 2009-2010 season. He explains the target groups for vaccination, and how these groups differ from those recommended for seasonal flu vaccination. Read More

Vaccine-associated poliomyelitis in Pakistan

An outbreak of ten cases of poliomyelitis caused by circulating vaccine-derivied poliovirus type 2 (cVDPV2) is ongoing in Pakistan, centered in the Kila Abdulla/Pishin area of Baluchistan. The same virus strain has spread to the neighboring Kandahar province in Afghanistan, where two paralytic c... Read More

An Inactive Mine Provides Active Opportunities

Elio Schaechter of Small Things Considered describes the work by members of Jill Banfield’s lab at Berkeley on a unique set of mine-dwelling microorganisms dubbed ARMAN (for Archaeal Richmond Mine Acidophilic Nanoorganisms). These microbes illustrate many surprising characteristics such as "thei... Read More

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