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tag samples microbiology

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.
Haydeh Payami is wearing a purple dress and an orange and pink scarf and standing in front of a whiteboard.
A Microbial Link to Parkinson’s Disease
Mariella Bodemeier Loayza Careaga, PhD | Dec 4, 2023 | 6 min read
Haydeh Payami helped uncover the genetic basis of Parkinson’s disease. Now, she hopes to find new ways to treat the disease by studying the gut microbiome.
Microscopic image of a live amoeba.
Illuminating Specimens Through Live Cell Imaging
Charlene Lancaster, PhD | Mar 14, 2024 | 8 min read
Live cell imaging is a powerful microscopy technique employed by scientists to monitor molecular processes and cellular behavior in real time.
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Jeffrey Perkel | Apr 29, 2001 | 2 min read
Antigen-specific T lymphocytes must be quantified in order to gauge the quality of an immune response. Typically this is accomplished using cytotoxicity assays or limiting dilution analysis (LDA), but these techniques are lengthy and provide indirect quantitation. Also, LDA cannot count nonproliferative cells. In 1996, Stanford University's Mark Davis developed an alternative strategy that overcomes these problems.1 Davis generated phycoerythrin-conjugated tetramers of human lymphocyte antigen (
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.
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.
Fish in a big blue aquarium
Microbes Responsible for Stealing Aquarium Medicine
Amanda Heidt | Feb 1, 2022 | 6 min read
Researchers discover that bacteria break down medicinal compounds for their nitrogen, solving a mystery that has vexed aquatic veterinarians for years.
Researchers in George Church&rsquo;s lab modified wild type ADK proteins (left) in <em >E.coli</em>, furnishing them with an nonstandard amino acid (nsAA) meant to biocontain the resulting bacterial strain.
A Pioneer of The Multiplex Frontier
Rashmi Shivni, Drug Discovery News | May 20, 2023 | 10 min read
George Church is at it again, this time using multiplex gene editing to create virus-proof cells, improve organ transplant success, and protect elephants.
Collage of images including sperm, bacteria, coral, and an illustration of a researcher
Our Favorite Cell and Molecular Biology Stories of 2021
Jef Akst | Dec 2, 2021 | 3 min read
Beyond The Scientist’s coverage of COVID-19’s molecular underpinnings were many other stories highlighting the advances made in scientists’ understanding of the biology of cells.
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A New COVID-19 Spit Test Is as Easy as 1-2-3
Roni Dengler, PhD | Aug 16, 2021 | 4 min read
A device smaller than two stacked decks of cards can reliably detect and discriminate between SARS-CoV-2 variants in spit in less than an hour with results that glow.

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