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tag bacterial toxin culture microbiology

bacteria inside a biofilm
How Bacterial Communities Divvy up Duties
Holly Barker, PhD | Jun 1, 2023 | 10+ min read
Biofilms are home to millions of microbes, but disrupting their interactions could produce more effective antibiotics.
bacteria and DNA molecules on a purple background.
Engineering the Microbiome: CRISPR Leads the Way
Mariella Bodemeier Loayza Careaga, PhD | Mar 15, 2024 | 10+ min read
Scientists have genetically modified isolated microbes for decades. Now, using CRISPR, they intend to target entire microbiomes.
Bugs as Drugs to Boost Cancer Therapy
Danielle Gerhard, PhD | Jan 18, 2024 | 7 min read
Bioengineered bacteria sneak past solid tumor defenses to guide CAR T cells’ attacks.
A side-by-side illustration of bacterial nanotubes, conjugative pili, and type 3 secretion systems such as injectisomes and flagella
Infographic: What Are Bacterial Nanotubes?
Sruthi S. Balakrishnan | Jun 1, 2021 | 5 min read
Unlike other cellular appendages, bacterial nanotubes are made solely of lipids and can connect the cytoplasm of different microbial species.
A scanning electron micrograph of a coculture of E. coli and Acinetobacter baylyi. Nanotubes can be seen extending from the E. coli.
What’s the Deal with Bacterial Nanotubes?
Sruthi S. Balakrishnan | Jun 1, 2021 | 10+ min read
Several labs have reported the formation of bacterial nanotubes under different, often contrasting conditions. What are these structures and why are they so hard to reproduce?
An illustration of a flask of bacteria, a weighted microscope slide, and two bacteria exchanging materials via nanotubes.
Infographic: Sources of Variation in Bacterial Nanotube Studies
Sruthi S. Balakrishnan | Jun 1, 2021 | 2 min read
Differences in how researchers prepare and image samples can lead to discrepancies in their results.
Pseudomonas Aeruginosa
Cooperation and Cheating
Mariella Bodemeier Loayza Careaga, PhD | Jun 1, 2023 | 6 min read
Bacteria cooperate to benefit the collective, but cheaters can rig the system. How is the balance maintained?
two black-and-white microscope images, one with a few black dots, the other with many rod-shaped bacteria
Identifying a Killer, 1895
Catherine Offord | Jul 1, 2021 | 4 min read
A contaminated ham put bacteriologist Émile Pierre-Marie van Ermengem on the path to discovering the microbe that produces botulinum toxin.
Special Report: New Tools Join Old In Microbiological Research
Ricki Lewis | Apr 28, 1991 | 7 min read
Microbiological Research Author: RICKI LEWIS AND HOLLY AHERN, p.24 Microbiology has evolved from ancient art to savvy science. Yesterday's painstaking tasks of culturing and identifying microorganisms have been joined by rapid detection strategies and intricate genetic manipulations. Microbiologists may still streak specimens on agar plates and wait overnight for bacterial colonies to grow, as was done two centuries ago, but today they may also use spectrophotometers or chromatographs. Gas
The Scientist Staff | Mar 19, 2024

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