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tag antibiotics genetics genomics

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.
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.
A fruit bat in the hands of a researcher
How an Early Warning Radar Could Prevent Future Pandemics
Amos Zeeberg, Undark | Feb 27, 2023 | 8 min read
Metagenomic sequencing can help detect unknown pathogens, but its widespread use faces challenges.
Genetic Parasites and a Whole Lot More
Barry Palevitz | Oct 15, 2000 | 10+ min read
Photo: Ori Fragman, Hebrew University Hordeum spontaneum, the plant studied for BARE-1 retroelements. With genome sequences arriving almost as regularly as the morning paper, the public's attention is focused on genes--new genes to protect crops against pests; rogue genes that make bacteria resistant to antibiotics; faulty genes that, if fixed, could cure diseases such as muscular dystrophy. What many people don't realize is that genes account for only part of an organism's DNA, and in many c
Top Technical Advances 2016
Kerry Grens | Dec 15, 2016 | 4 min read
The year’s most impressive achievements include methods to watch translation in cells, trace cell fates, avoid mitochondrial mutations, edit DNA, and build antibiotics from scratch.
Targeting Antibiotic-Resistant Bacteria with CRISPR and Phages
Anna Azvolinsky | May 18, 2015 | 3 min read
Researchers develop a CRISPR-based, two-phage system that sensitizes resistant bacteria to antibiotics and selectively kills any remaining drug-resistant bugs. 
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.  
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.
Finding a Mate
Barbara Cunningham | Apr 1, 2001 | 9 min read
Available Two-hybrid Systems Graphic: Leza BerardoneGenome sequencing has produced a vast supply of proteins in need of a functional identity. One way to identify a protein's function is to identify its interacting partners, because proteins often work in pairs or as part of large complexes. Scientists traditionally have used biophysical or biochemical methods (such as affinity chromatography or co-immunoprecipitation) to study protein-protein interactions. More recently, two-hybrid and phage-d
Birth of the Skin Microbiome
Anna Azvolinsky | Nov 17, 2015 | 3 min read
The immune system tolerates the colonization of commensal bacteria on the skin with the aid of regulatory T cells during the first few weeks of life, a mouse study shows.

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