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How long have primates been infected with viruses related to HIV?

Disease-causing viruses engage their hosts in ongoing arms races: positive selection for antiviral genes increases host fitness and survival, and viruses in turn select for mutations that counteract the antiviral host factors. Studying such adaptive mutations can provide insights into the distan... Read More

NIH-funded study establishes genomic data set on Lassa virus

An international team of researchers has developed the largest genomic data set in the world on Lassa virus (LASV). The new genomic catalog contains nearly 200 viral genomes collected from patient samples in Sierra Leone and Nigeria, as well as field samples from the major animal reservoir, or h... Read More

UGA researchers develop breakthrough tools in fight against cryptosporidium

Athens, Ga. - Researchers at the University of Georgia have developed new tools to study and genetically manipulate cryptosporidium, a microscopic parasite that causes the diarrheal disease cryptosporidiosis. Their discoveries, published in the journal Nature, will ultimately help researchers in... Read More

Guinea reports Ebola-free week, but Sierra Leone has 5 cases

For the first time in more than a year, Guinea passed a week without a new lab-confirmed Ebola case, but the news out of West Africa last week was tempered by a flare-up of activity in Sierra Leone, the World Health Organization (WHO) reported today in its latest update. Read More

Sendai virus defends against a threat

A research group at Hiroshima University demonstrated the mechanism by which the Sendai virus (SeV) escapes the host immune system. The researchers examined the crystal structure of the complex of SeV C protein and transcription factor STAT1, and found that SeV C protein inhibits the signal tran... Read More

ROVING GENE LETS BACTERIA RESIST ‘LAST’ ANTIBIOTICS

A gene that lets bacteria resist polymyxins—the last line of antibiotic defense we have left—has shown up in widespread bacteria samples from pigs and patients in south China, including strains with epidemic potential. Read More

Plague infected humans much earlier than previously thought

Plague infections were common in humans 3,300 years earlier than the historical record suggests, reports a study published October 22 in Cell. By sequencing the DNA of tooth samples from Bronze Age individuals from Europe and Asia, the researchers discovered evidence of plague infections roughly... Read More

3 ANTIBIOTICS GANG UP TO KILL DEADLY STAPH

As a trio, three antibiotics that aren’t individually effective against a drug-resistant staph infection killed the deadly pathogen in test tubes and mice. Read More

Happy Holidays!

Large TSA plate: yellowish organism is Staph aureus, red organism is Serratia marcescens. Grown for 24 hrs at 37 degrees C. Read More

HIV cure research: NIH scientists create 2-headed protein to deplete HIV reservoir

Scientists at the National Institutes of Health (NIH) have created a protein that awakens resting immune cells infected with HIV and facilitates their destruction in laboratory studies. The protein potentially could contribute to a cure for HIV infection by helping deplete the reservoir of long-... Read More

Interrupting the transmission cycle: A protein required for dengue virus infection of mosquitoes

There is currently no approved specific treatment or vaccine for dengue fever, and an estimated 2 billion people are at risk for being bitten by Aedes mosquitoes and infected with the dengue virus (DENV). A study published on October 22nd in PLOS Pathogens introduces a candidate target for a tra... Read More

Social yeast cells prefer to work with close relatives to make our beer, bread and wine

Baker's yeast cells living together in communities help feed each other, but leave incomers from the same species to die from starvation, according to new research from the University of Cambridge. Read More

Some Flashy Bacteria

Want to impress your lab mates? Flash them with some Kocuria rhizophila and Lactobacillus casei on blood agar. Read More

Biologist investigates how gene-swapping bacteria evade antibiotics

A scientific peek into bacteria boudoirs is revealing how "sex" among disease-causing microbes can lead different species or strains to become resistant to antibiotic medications. Read More

How immunity to RSV develops in childhood but deteriorates in adults

The leading infectious cause of severe respiratory disease in infants, respiratory syncytial virus (RSV), is also a major cause of respiratory illness in the elderly. Approved vaccines do not yet exist, and despite the development of partial immunity following infection during childhood, individ... Read More

Antibiotic Producing Fungal Colony

This fungal colony, in association with a few others, was grown on SDA and appears to be an antibiotic producer. The compounds that it's producing appear orange and red. The colony grew and began producing compounds on the agar after five days incubation at 30 degree Celsius. This plate is part ... Read More

The Violet Louis Pasteur #agarart2015

The portrait of Louis Pasteur was drawn with Chromobacterium violaceum on Muller Hinton agar. Chromobacterium violaceum is a gram negative bacillus which is motile and a facultative anaerobe. These species are common inhabitants of the environment but occasionally can cause infections in animals... Read More

The pearly colonies

Yeast extract-mannitol agar (YMA), with the pH indicator bromothymol blue (BTB), is the medium used for rhizobia isolation and characterization.

In this pic, one Bradyrhizobium strain isolated from cowpea root nodule in Brazil showing a "white pearly colony" Read More

Unknown Fungal Contaminant

Unknown Fungal Contaminant found on TSA plate that had been refrigerated for 1 month. Colony was raised in the center with deep groves around the colony. Green spore formation was seen in the middle with white non-spore forming hyphae towards the edges. Read More

Campylobacter jejuni on CCDA.

Isolate of C.jejuni after 48hours of incubation at 42 degrees Celsius under microaerophilic environment. (Campy gel and CO2 jar) . Read More
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