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tag ice nucleator microbiology culture cell molecular biology

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.
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.
Articles Alert
Simon Silver | Jun 9, 1991 | 2 min read
Microbial ice nucleation is important biotechnology for three reasons. First, preventing ice crystal formation using deletion mutants is a way to prevent frost damage; that is, "frost-ban" Pseudomads are a marketable product. Second, stimulating snow formation on artificial ski slopes extends the season; that is, ice-nucleating Pseudomonads are another marketable product. Third, the field testing of the "frost-ban" cells on strawberry plants occasioned some of the most emotional responses to rel
Of Cells and Limits
Anna Azvolinsky | Mar 1, 2015 | 9 min read
Leonard Hayflick has been unafraid to speak his mind, whether it is to upend a well-entrenched dogma or to challenge the federal government. At 86, he’s nowhere near retirement.
Monitoring Mutations with Microfluidics
Ruth Williams | Mar 15, 2018 | 3 min read
A device dubbed the “mother machine” enables real-time observation of mutagenesis in single bacterial cells.  
Special report
a hand in a blue glove holds a clear plastic multiwell plate in a laboratory with foil-wrapped plates on a metal shelf in the background
Labs Worldwide Still Struggling Amid Broken Supply Chains
Katarina Zimmer | May 21, 2021 | 8 min read
Countries outside the US and Europe that are already used to long wait times for laboratory supplies are facing greater research disruptions than ever during the pandemic.
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?
translation gene genetics ribosome enhancers knowable magazine
What Does It Look Like to “Turn On” a Gene?
Alla Katsnelson, Casey Rentz, and Knowable Magazine | May 3, 2019 | 8 min read
Only recently have scientists directly witnessed this most pivotal of events in biology, thanks to new technology that allows them to observe the process in living cells. It’s teaching them a lot.
Parasitologist, Reprogrammed: A Profile of David Roos
Anna Azvolinsky | Mar 1, 2018 | 8 min read
After discovering a novel organelle found in protozoan parasites, the University of Pennsylvania’s Roos created a widely used eukaryotic pathogen database.
Bacteria Harbor Geometric “Organelles”
Amber Dance | Dec 1, 2018 | 10+ min read
Microbes, traditionally thought to lack organelles, get a metabolic boost from geometric compartments that act as cauldrons for chemical reactions. Bioengineers are eager to harness the compartments for their own purposes.

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