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For the First Time, Researchers Identify the Secret Genetic Weapon of Clostridium difficile

Washington, DC – August 16, 2016 – A trio of researchers at the University of Texas Health Science Center, School of Public Health in Houston, have identified the location of the genes that control production of toxins that harm people infected by Clostridium difficile bacteria. The gene locus, ... Read More

BacterioFiles 283 - Phages Furnish Photosynthetic Fortifications

This episode: Viruses infecting photosynthetic bacteria could transfer immunity to other viruses between their hosts!


(6.8 MB, 7.4 minutes)


Show notes: 


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13th International Conference and Exhibition on Pharmaceutical Nanotechnology

Conference Series LLC is a renowned organization that organizes highly notable international conferences throughout the globe. Currently we are bringing forth “13th International Conference and Exhibition on Pharmaceutical Nanotechnology” (NanoPharma 2017) scheduled to be held during July 24-25... Read More

Black fever beats drugs by adding just two DNA bases to its genome

In eLife today (22 March), Wellcome Trust Sanger Institute scientists show how the parasite responsible for the neglected tropical disease Black Fever (visceral leishmaniasis) can become resistant to drug treatment. Studying the whole genomes of more than 200 samples of Leishmania donovani revea... Read More

Cross-respiration breathes life into a periodontal pathogen

Microbiome research has revealed that there are good guy and bad guy bacteria living together in complex communities on our skin, in our mouths, throughout our guts and pretty much everywhere in between. But what do you call a good guy bacterium that is aiding and abetting a disease culprit?

... Read More

Using a 'living antibiotic' to tackle disease

It is the first time the predatory bacterium Bdellovibrio bacteriovorus has been successfully used as an injected anti-bacterial therapy and represents an important step in the fight against drug-resistant infections, or ‘superbugs’.

Shigella infection is responsible for over 160 million illn... Read More

Global Pain Management Therapeutics Market to Exhibit -5.50% CAGR from 2012 to 2018 owing to Patent Expiry of Blockbuster Drugs

Chronic pain is a very common health concern in all regions across the globe. Due to the ill effects of chronic pain, there has been an increase in the demand for pain management therapeutics. The global pain management therapeutics market offers many methods or therapies of pain management such... Read More

Cranberries squashed as folk remedy for urinary infections

Another folk medicine remedy bites the dust. Cranberry capsules didn't prevent or cure urinary infections in nursing home residents in a study challenging persistent unproven claims to the contrary.

The research adds to decades of conflicting evidence on whether cranberries in any form can pr... Read More

Cause of Maryland Food Poisoning Outbreak Traced to Asia

Washington, DC – April 6, 2016 – Vibrio parahaemolyticus caused an outbreak of food poisoning in Maryland in 2010. The pathogen strain sequenced from patients proved to be the same strain as one of those found in raw oysters from local restaurants, strong evidence that the oysters were the sourc... Read More

Is it safe to go into the ocean? Standardizing molecular methods for water safety surveillance

Have you ever gone to the beach, ready for a day of sun and sand, only to find a warning sign? One of the most common reasons beaches close is due to the presence of coliform bacteria. These indicator bacteria, such as Escherichia coli, are used as markers for fecal waste, since their presence c... Read More

#microMOOCSEM: the first microbiology massive online open course by Twitter (in Spanish)

Veintinueve profesores e investigadores de 20 universidades y centros de investigación van a colaborar para impartir el primer curso mundial online gratuito vía Twitter sobre microbiología. La iniciativa está coordinada y organizada por el grupo de Docencia y Difusión de la Microbiología de la S... Read More

The Natural History of Cheese Mites

They are right on the border of what is visible and invisible. If you look really close at a piece of aged cheese, it’s possible to see them, barely. The more “artisanal” the cheese, the better the chance that they are there: living within tiny burrows on the rind proportionally the size of gian... Read More

Ban on triclosan shows need for new chemicals to demonstrate efficacy and safety

A new commentary from Patrick McNamara and Stuart Levy cautions that the Food and Drug Administration’s ban on triclosan and 18 other biocidal chemicals that promote antibiotic resistance is only a starting point. Triclosan’s long-term impact, as well as the risks substitute chemicals may pose, ... Read More

Structure and genome of Zika virus

Group: Group IV ((+) ssRNA)
Family: Flaviviridae
Genus: Flavivirus
Species: Zika virus

Structure of Zika Virus
•The virion is approximately 40 nm in diameter with surface projections that measure roughly 5-10 nm.
•Nucleocapsid is 25-30 nm in diameter surrounded by a host-membrane derive... Read More

Potential pathway for emergence of zoonotic malaria identified

Boston, MA - The parasite responsible for a form of malaria now spreading from macaques to humans in South Asia could evolve to infect humans more efficiently, a step towards enhanced transmission between humans, according to a new study from Harvard T.H. Chan School of Public Health. The resear... Read More

TWiV 425: All picornaviruses, all the time

The TWiVaniellos discuss a thermostable poliovirus empty capsid vaccine, and two cell genes that act as a switch between entry and clearance of picornavirus infection.


Hosts: Vincent Racaniel... Read More

Microbes in Raw Milk Influenced by Dairy Cow Environment

Raw milk collected from dairy farms has to travel to processing facilities before it is transformed into the delicious dairy products we consume. Because the milk from many dairy cows is collected together, any contamination issue from a single animal can lead to spoilage or contamination. How r... Read More

TWiV 411: Chicken runs

The TWiVeroos examine a reverse spillover of Newcastle disease virus vaccines into wild birds, and identification of a protein cell receptor for murine noroviruses.


Hosts: Vincent Racaniel... Read More

Zika-linked birth defects more extensive than previously thought, UCLA-led research finds

New UCLA-led research finds that Zika-linked abnormalities that occur in human fetuses are more extensive — and severe — than previously thought, with 46 percent of 125 pregnancies among Zika-infected women resulting in birth defects in newborns or ending in fetal death.

The study, published ... Read More

Biohazard Bin Swab

Colonies from a swab of the lid of a biohazard waste bin from one of my students in the Microbiology lab at Miami-Dade College, Wolfson in Miami, FL. Streaked on Nutrient Agar and incubated at 30 degrees Celcius for 72 hours.

Elena M. Cortizas, M.S.
Adjunct Professor of Microbiology
MDC W... Read More
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