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microbiology

3 days ago | 2 min read

Excess Lipids Keep Dengue at Bay

Accumulating lipids may be Wolbachia bacteria’s secret weapon for decreasing viral transmission.
Photograph of a black and white mosquito standing on a water surface, where its reflection is visible. 
Photograph of the end of a tattoo gun and pots of different colored ink on a napkin.
Aug 27, 2024 | 3 min read

FDA Found Anaerobic Bacteria in Sealed Tattoo Inks

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Pseudo-colored scanning electron microscope image of the algae microrobot with the algae in green and the drug-filled nanoparticles in orange.
Green Warriors: Algae Microrobots Set to Combat Metastasis
Laura Tran, PhD | Aug 26, 2024 | 4 min read
Green algae can be outfitted with nanoparticles, transforming them into efficient drug-delivering machines that target lung tumors.
Salmonella living within macrophages can survive antibiotic treatment and potentially give rise to resistance by two different mechanisms that slow or arrest their growth.
Slow Bacterial Growth Enables Antibiotic Resistance
Niki Spahich, PhD | Aug 26, 2024 | 3 min read
In Salmonella, two seemingly similar antibiotic survival strategies result from very different molecular mechanisms.
A conceptual illustration of a few red-colored human silhouettes interspersed among many blue-colored silhouettes.
Sexually Transmitted Infections: The Silent Epidemic
The Scientist Creative Services Team in collaboration with Thermo Fisher Scientific | 1 min read
Advanced diagnostic testing methods empower scientists to swiftly and precisely detect STIs. 
A woman and a child sitting on a couch blowing their noses. 
A Better Mucus Model
Aparna Nathan, PhD | Aug 20, 2024 | 4 min read
A more realistic model of the mucus layer that lines the lungs and gut could provide important insights into the function of this critical defensive barrier.
An illustration of lungs being infected by microbes.
Bacteria Put on an Invisibility Cloak to Cause Asymptomatic Infections 
Sahana Sitaraman, PhD | Aug 15, 2024 | 5 min read
Biofilms prevent Pseudomonas aeruginosa toxins from being detected by sensory neurons, tricking the body into not looking sick.
A researcher holds a Petri dish containing many bacterial colonies in red colored culture medium.
Exploring the Landscape of Bacterial Culture Media
Priyom Bose, PhD | 8 min read
Culture media contain various components that promote and support bacterial growth and differentiation.
Conceptual illustration of researchers studying microbes in a petri dish.
Next-Level Screening for Antimicrobial Resistance
The Scientist Staff | Aug 15, 2024 | 2 min read
Bacterial isolate screening improves surveillance, stewardship, and infection control.
Two scientists at a table with two petri dishes of mold. One scientist opens a cloche revealing a meat-like patty made of koji mold.
Mold Burger: Coming Right Up
Laura Tran, PhD | Aug 15, 2024 | 2 min read
From the laboratory to the table, researchers cooked bioengineered fungi into a tempting patty.
Harnessing Metagenomics for Health and Disease Research
Harnessing Metagenomics for Health and Disease Research
The Scientist Staff | 1 min read
Discover how metagenomics approaches provide insights into human diseases.
Electron microscopy image of Marburg virus false-colored red. 
Viral Research Gets Batty to Study Spillovers
Shelby Bradford, PhD | Aug 5, 2024 | 3 min read
Marburg virus enters humans from bats to cause viral hemorrhagic fever, but how it alters immune cells is unclear.
Two agar plates are shown. The one on the left shows black sporulating fungi, while the one on the right has white fungi reproducing without spores. 
Bacteria Sink in Their TALons to Control Their Host
Shelby Bradford, PhD | Aug 1, 2024 | 2 min read
Endosymbionts use effector proteins to hijack their fungal host’s ability to produce spores.
A yellow-bellied marmot being held in the arms of a researcher while they collect a cheek swab from the marmot.
Exploring the Link between Sociality and the Marmot Gut Microbiome
Harita Sistu | 4 min read
The marmot social microbiome is unlike that of other mammals, adding a new perspective to wildlife conservation efforts.
Two ferrets look out of a rectangular hole in a wooden structure.
Obesity Alters the Course of Influenza Infections
Hannah Thomasy, PhD | Aug 1, 2024 | 2 min read
Researchers explored the effects of obesity on the lung microenvironment in ferrets, searching for new therapeutic targets to protect vulnerable populations.
Fluorescence microscopy image of the brain and nasal cavity roof, with blood vessels, microglia, and nuclei labeled.
Studying the Brain During Fungal Infections just got a Whole Lot Clearer
Shelby Bradford, PhD | Jul 30, 2024 | 4 min read
Researchers adapted microscopy techniques to identify rare instances of Cryptococcus neoformans in mice brains and lungs.
Three dividing <em >Epulopiscium viviparus</em> cells seen on a microscope.
The Genome of a Gigantic Bacterium Reveals Odd Metabolic Properties
Megan Keller | 4 min read
With its complete genome sequenced, one of the world’s largest microbes harbors unique energy processes that highlight its relation to its symbiotic host, the surgeonfish.
Graphic of multiple colorful bacterial types making up a microbiota
Searching for New Bacterial Therapeutics Amongst Microbial Neighbors
Niki Spahich, PhD | Jul 26, 2024 | 4 min read
A member of the lung microbiota releases a peptide that hinders the respiratory pathogen Streptococcus pneumoniae.
A tick on a leaf. &nbsp;
How the Crimean Congo Virus Sneaks into Cells
Maggie Chen | Jul 15, 2024 | 4 min read
A tickborne virus uses cholesterol receptors to worm its way into the cell.
A block of cheddar cheese pictured here with various accompaniments.&nbsp;
Cheddar Cheese Lovers Have Interactive Microbes to Thank
Vaishnavi Sridhar, PhD | 3 min read
Scientists used a commercial year-long cheddar making process to show how various bacterial communities interact and contribute to the distinct flavor of cheddar.
A hand holding a pill against sunlight.
Vitamin D Acts via the Microbiome to Boost Cancer Immunity
Nicholas Miliaras, PhD | Jul 12, 2024 | 4 min read
An essential nutrient and the gut flora, thought to have separate but important roles in the immune response, join forces.
MRI scan of a human head in profile
Gut Microbe Metabolites Lower Levels of Toxic Tau
Kamal Nahas, PhD | Jul 9, 2024 | 5 min read
Researchers simulated interactions between microbial molecules and neural receptors to explore whether gut bacteria might influence brain chemistry.
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