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Bacteria Grown in Space Is Thicker and Stronger Than on Earth

When/if humans ever colonize Mars, or any other far off planet in the future, we’ll have to put up with super powered mutant bacteria, according to new NASA research. The data was collected by astronaut crews aboard the Atlantis shuttle, who grew colonies of bacteria—also known as biofilms—for t... Read More

Antagonistic effect of Imipenem towards Piperacillin/tazobactam disc in Pseudomonas aeruginosa lawn on Mueller-Hinton agar

This images was taken during the lab work of my Master thesis on Metallo beta lactamase on Pseudomonas aeruginosa and Acinetobacter spps at Shree Birendra Hospital ( Army Hospital) in Kathmandu Nepal . It clearly shows the antagonism between two discs. Read More

Doctors Fined for Implanting Fecal Bacteria into Patients’ Brains

A hospital was fined after a pair of neurosurgeons implanted fecal bacteria into the brains of patients during operations without proper authorization. A few things jump out at us here. 1) They did WHAT!?! 2) There’s proper authorization for putting poop in people’s brains!?! 3) Ewwwwwww.

The... Read More

Scientists Discover Link Between Gut Microbiota And Colorectal Cancer

Colorectal cancer patients have fewer beneficial gut bacteria and more harmful microbes than those without the disease, researchers from the New York University School of Medicine report in Friday’s edition of the Journal of the National Cancer Institute.

While previous research had suggested... Read More

Got mom's bacteria?

What types of microbes do mothers transmit to their newborns and how universal is maternal microbial transmission throughout animals, including from your mother?

The sterile womb paradigm is an enduring premise in biology that human infants are born sterile. Recent studies suggest that infant... Read More

Microbes in Space

Microbes collected from Northern California and throughout the nation will soon blast into orbit for research and a microgravity growth competition on the International Space Station (ISS). This citizen science project, known as Project MERCCURI, is led by UC Davis microbiologists, who are inves... Read More

The Effects of Fracking on the Microbial Ecology of Groundwater

Hydraulic fracturing, or “fracking”, is the process of drilling and injecting fluid into the ground at a high pressure in order to fracture shale rocks to release natural gas inside. What effect does this process have on the microorganisms that naturally exist in the water in this process?

... Read More

TWiV 262: Wrong form, right professor



Host: Vincent Racaniello


Guest: Read More

BacterioFiles Micro Edition 161 - Permafrost Produces Perceptible Pithos

This episode: The largest virus so far has been discovered in ancient Siberian permafrost!


(9.5 MB, 10.3 minutes)


Show notes: 
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TWiM 61 Letters

Nate writes:


Hi my name is Nate. I am a senior in high school aspiring to become a microbiologist. I heard about this podcast through a class I took on biotechnology and have been listening for about 2 months. I really enjoy it and the other two shows... Read More

Antimicrobial from soaps promotes bacteria buildup in human noses

An antimicrobial agent found in common household soaps, shampoos and toothpastes may be finding its way inside human noses where it promotes the colonization of Staphylococcus aureus bacteria and could predispose some people to infection. Researchers at the University of Michigan report their fi... Read More

Quorum sensing genes discovered in a bacteriophage genome?

Recently, the discovery that certain bacteriophage encode bacterial gene silencing systems (CRISPR) that can counteract host defense systems demonstrated how mind boggling the evolutionary pathways between phage and bacterial host actually are. In this publication, these relationships are exten... Read More

Bacteria Turn Plants and Insects into Zombies

Many parasites commandeer the bodies of their hosts in order to spread. Examples of this include horsehair worms that reach water by forcing their cricket hosts to drown themselves, and liver flukes that drive infected ants to climb blades of grass, where cows can eat the insects, and so the flu... Read More

The Merlot Microbiome

Plants associated bacteria play a key role in host productivity and health. These bacteria are phylogenetically diverse and form interactions considered neutral, beneficial or detrimental. A better understanding of these interactions will have a direct impact in agriculture by promoting sustaina... Read More

TWiV 253: I don't know anything about sorghum



Hosts: Vincent Racaniello, Dickson Despommier, Read More

Wet Market Poultry Transmitting H7N9 Bird Flu To Humans In China

Researchers have confirmed that the A H7N9 bird flu virus, which began in February 2013, was transmitted from chickens at a wet poultry market to humans, according to a new study published in the The Lancet.

Wet markets, which are common in Asian countries, are live animal markets.

A H7N9 ... Read More

TWiV 261: Giants among viruses



Hosts: Vincent Racaniello and James Van Ette... Read More

STAPHYLOCOCCUS AUREUS

The bug lives harmlessly in the noses of about a third of us. But it can turn rogue, causing skin infections—or worse. Heavy use of antibiotics since the middle of the last century has prompted the evolution of deadly superbug strains. Photograph by Martin Oeggerli, with support from School of L... Read More

MOOC: Pandemics and new viral infections (in Spanish)

New Massive Online Open Courses (MOOC) in Spanish about Pandemics and new viral infections.

This is a mini online open course about basic concepts of virus and pandemics. We answer questions as what is a virus?, how a virus multiplies inside a cell?, what is a pandemic?, why appear new influe... Read More

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