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Bacteria in the gut of autistic children different from non-autistic children

The underlying reason autism is often associated with gastrointestinal problems is an unknown, but new results to be published in the online journal mBio® on January 10 reveal that the guts of autistic children differ from other children in at least one important way: many children with autism h... Read More

TWiV 161: Concerto in B



Hosts: Vincent Racaniello, Rich Condit... Read More

TWiV Live in Dublin (MWV58)

Watch Vincent Racaniello and guests Read More

TWiM #16: ICAAC Live



Hosts: Vincent RacanielloM... Read More

BacterioFiles Micro Edition 84 - Latent Loops Limit Lupus

This episode: A viral infection in mice seems to protect against lupus!





Do... Read More

Rapid, cheap HIV test finds success as first of its kind tested in the field

The first field trial for a “lab on a chip” accurately detected both HIV and syphilis among a Rwandan population, researchers reported Sunday.

Blood samples injected into the clear plastic, credit card-shaped device produced results within 20 minutes. This kind of test could offer a faster, c... Read More

BacterioFiles Micro Edition 87 - Fermenter Fixes Folate Faults

This episode: Probiotics could help prevent folate deficiency!





Download Ep... Read More

Gram-negative rods

Gram-negative rods, possibly E. coli. (approx. 1000 X). Taken from the Wistreich Collection, appearing exclusively on MicrobeWorld. Read More

Clostridium difficile

A colour-enhanced scanning electron micrograph image showing a cluster of Clostridium difficile on a surface. Clostridium difficile is a species of Gram-positive bacteria that causes severe diarrhea and other intestinal disease when competing bacteria in the gut flora have been wiped out by anti... Read More

Colorful Lichens Grow on Ocotillo

One of many varieties of colorful lichens that grow on Ocotillo along the coast of Baja, Calif.

Lichens are actually made up of two plants: an algae and a fungus, living in a symbiotic relationship. In desert environments, lichen will dry out completely and remain dormant until rain or dewfal... Read More

Bacteria Friend and Foe (archived educational film)

A classic film archived by CreativeCommonsTV about the benefits and dangers of microbes. Read More

Staphylococcus aureus

Bacterial cells of the bacteria (Staphylococcus aureus) which is one of the causal agents of mastitis in dairy cows. Its large capsule protects the organism from attack by the cow’s immunological defenses. Magnified 50,000X. Freeze Drying Replication.

Credit: Beltsville Agricultural Research ... Read More

TWiM #17: Debugging endosymbiosis



Hosts: Vincent Racaniello, Michael Schmid... Read More

ARTS triggers apoptosis

Cell showing overproduction of the ARTS protein (red). ARTS triggers apoptosis, as shown by the activation of caspase-3 (green) a key tool in the cell's destruction. The nucleus is shown in blue.

Sarit Larisch and Hermann Steller, Rockefeller University Read More

Mycobacterium fortuitum

Under a magnification of 3841X, this scanning electron micrograph SEM) revealed some of the ultrastructural morphologic details exhibited by a number of Gram-positive bacilli, or “rod-shaped”, Mycobacterium fortuitum bacteria.

M. fortuitum is classified as a “rapidly-growing” Mycobacterium, ... Read More

TWiV 179: Was ist ein Virus?



Hosts: Vincent Racaniello, Alan Dove, Read More

TWiP 34 Letters

Raihan writes:


Hello Professors Racaniello and Despommier,


In TWIP #33, Dr Despommier said that certain parasites do not need receptors to enter cells, while Dr Racaniello then said that all viruses require a receptor for entry. I might be wro... Read More

TWiV 161 Letters

Ayesha writes:


Honourable TWIVnesses!


I heard this series and thought you might dig it for listener pick of the week: h... Read More

BacterioFiles Micro Edition 71 - Bright Bacteria Brave Biting

This episode: Some ocean bacteria glow to attract those that eat them!





Dow... Read More

TWiV 190: The second ferret of the Apocalypse



Hosts: Vincent Racaniello, Alan Dove, and Read More

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