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tag double helix cell molecular biology microbiology

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.
Individual bacterial transcriptomes each plotted as a single point create a ring-shaped structure.
Rapidly Dividing Bacteria Coordinate Gene Expression and Replication
Kamal Nahas, PhD | Mar 15, 2024 | 4 min read
E. coli divides faster than it can replicate its genome, while simultaneously expressing its genes. Scientists recently revealed the intricate molecular coordination that makes this possible.
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.
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.
Renowned Molecular Biologist Dies
Kerry Grens | May 6, 2015 | 2 min read
Alexander Rich, discoverer of Z-DNA, the RNA-DNA double helix, and the structure of collagen, has passed away at age 90.
Researchers Discover 10 New Immune Systems in Bacteria
Jim Daley | Jan 25, 2018 | 3 min read
The findings more than double the number of known defense mechanisms, piquing the interests of molecular biology tool developers.
Seeing Double
Nicholette Zeliadt | Nov 1, 2013 | 7 min read
Combining two imaging techniques integrates molecular specificity with nanometer-scale resolution.
 
Fifty Years with Double-Stranded RNA
Alexander Rich | Dec 1, 2006 | 10 min read
Fifty Years with Double-Stranded RNA Courtesy of Alexander Rich The scientist who discovered hybridization and the "other" double helix describes what it meant to biology. By Alexander Rich ARTICLE EXTRAS An interactive look at original documents with commentary: The discovery of the dsRNA helix, 1956 Predictions on the regulatory potential of dsRNA, 1961 RNA Timeline: A History in Hybridization and StructurePodcast: Alex Rich discusses th
A twisted and folded illustration of single-stranded RNA in front of a blue background.
Deficient RNA Editing Implicated in Inflammatory Disease 
Alejandra Manjarrez, PhD | Aug 5, 2022 | 3 min read
Genetic variants that reduce the editing levels of double-stranded RNA are associated with autoimmune and immune-mediated conditions, a study finds.
Epithelial cells and fungal spores are marked with fluorescent dyes. Cells have an irregular shape and are shown in green and blue colors. Spores are spherical in shape and are labeled green if they are surrounded by p11 protein. A protein in mature phagosomes is labeled violet.
Fungal Spores Hijack a Host Protein to Escape Death
Mariella Bodemeier Loayza Careaga, PhD | Jun 20, 2023 | 3 min read
Uncovering the components used by Aspergillus fumigatus to avoid intracellular destruction broadens our understanding of the mold’s pathogenesis. 

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