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Five Questions About the Foraminifera

The Foraminifera ("forams") are among the largest and most abundant of all unicellular organisms. They can reach 20 cm in length and 18 cm in width, and the shells surrounding them are even bigger, up to 30 cm in length. They have existed in prodigious numbers that the remnants of their shells h... Read More

TWiV 311: Bulldogs go viral

Vincent visits the University of Georgia where he speaks with Zhen Fu and Biao He about their work on rabies virus and paramyxoviruses.


 


Host: Vincent Racaniello. Guests:  Read More

Unknown Fungal Contaminant/MAC

Unknown fungal isolated contaminant found on MAC. MAC plate was incubated for 2 months at 4 degrees C once fungal growth was seen. This colony seemed to emerge from the agar and had a 3D appearance. The center of the colony had what seemed to be hyphal growth while the edges had a hard waxy un... Read More

Unknown Fungal Contaminant/TSA #2

Two unknown airborne fungal isolated contaminant found on TSA. TSA plate was incubated for 2 months at 4 degrees C once fungal growth was seen. Concentric rings of color (pink/peach, green and white) can be seen throughout the colonies. Read More

Unknown Fungal Contaminant/TSA

Unknown airborne fungal isolated contaminant found on TSA. TSA plate was incubated for 2 months at 4 degrees C once fungal growth was seen. Concentric rings of color (pink, green and white) can be seen throughout the colony with smaller colonies seen around the white edges of the colony due to s... Read More

Salmonella Sps

Salmonella Kentucky isolated from human stool at MVIDH, DELHI Read More

Curiosity is the currency of science (a Nature blog article featuring Antonie van Leeuwenhoek and Robert Hooke!)

Enough doom and gloom articles about science funding and jobs! This very microbiology centered new three part series at blogs.nature.com looks back at the history of funding and argues that there is much more reason for optimism than pessimism for the future of science. Read More

TWiM #91: Rats, viruses, and bacteria

Vincent, Elio, and Michele review a study of the viruses and bacteria in commensal rats in New York City.


 


Hosts: Vincent RacanielloElio Schaechter Read More

TWiM 91 Letters



Jacob writes:
Hello hosts of TWiM and TWiV,
I'm sending this to both podcasts because I'm interested in hearing what all of you have to say (I figure that I'm going to catch Dickson on TWiV, but if not feel free to ask him on TWiP).


I saw this que... Read More

Bacteria become “genomic tape recorders”

Engineered E. coli can store long-term memories of chemical exposure, other events in their DNA.

MIT engineers have transformed the genome of the bacterium E. coli into a long-term storage device for memory. They envision that this stable, erasable, and easy-to-retrieve memory will be well su... Read More

Powdery Mildew

Sawadaea sp. (Erysiphaceae, Erysiphales) is a powdery mildew that infects Acer sp. (Maple). Infected maple leaves, usually on the adaxial surface, are covered with dense mycelia (of white to grey powder colour) with scattered chasmothecia (fruiting body, brown to dark-brown ball-like structure).... Read More

Genetic tweak gave yellow fever mosquitoes a nose for human odor

One of the world’s deadliest mosquitoes sustains its taste for human blood thanks in part to a genetic tweak that makes it more sensitive to human odor, according to new research.

Researchers report in the journal Nature that the yellow fever mosquito contains a version of an odor-detecting g... Read More

Facets of the flu

Ebola has captured the attention of the world since the outbreak in West Africa began months ago, so far claiming more than 5,000 lives.

Closer to home, seasonal influenza is on its way. Aside from bringing brief misery to many, the flu leads to serious complications or even death for tens of... Read More

HIV virulence depends on where virus inserts itself in host DNA

The human immunodeficiency virus (HIV) can insert itself at different locations in the DNA of its human host – and this specific integration site determines how quickly the disease progresses, report researchers at KU Leuven’s Laboratory for Molecular Virology and Gene Therapy. Their study was p... Read More

Single-dose, needle-free Ebola vaccine provides long-term protection in macaques

Scientists have demonstrated for the first time that a single-dose, needleless Ebola vaccine given to primates through their noses and lungs protected them against infection for at least 21 weeks. A vaccine that doesn’t require an injection could help prevent passing along infections through uni... Read More

Would You Lick an E.Coli-Shaped Popsicle?

Designer Wei Lei poses a challenging, and fascinating question: Would you lick a delicious treat that resembles a prickly cactus or a deadly E. coli bacterium?

The Chinese designer’s collection of sweets, Dangerous Popsicles, transforms frozen sugar water into colorful spiny treats inspired b... Read More

By introducing DNA from other organisms, scientists enhance production of compounds in fungus

The enzymes and compounds produced by fungi are of great interest to the pharmaceutical, textile, paper and food industries. These organisms are capable of secreting, their nutritional needs are low and have high growth rate. A group of researchers from the National Autonomous University of Mexi... Read More

Fine Reading: There Is No 'Healthy' Microbiome

This is our first ever recommendation of an article published outside the usual scientific venues, but after all the hype we have heard about the human microbiome we were delighted to finally read a balanced account of what the research tells us and what it does not tell us. Plus, this article w... Read More

Contaminomics: Why Some Microbiome Studies May Be Wrong

You’ve got a group of people with a mysterious disease, and you suspect that some microbe might be responsible. You collect blood and tissue samples, you extract the DNA from them using a commonly used kit of chemicals, and you sequence the lot. Eureka! You find that every patient has the same m... Read More

Klebsiella pneumonia Bacterium

Colorized scanning electron micrograph showing carbapenem-resistant Klebsiella pneumoniae interacting with a human neutrophil.

Credit: National Institute of Allergy and Infectious Diseases (NIAID) Read More

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