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tag physiology ecology cell molecular biology microbiology

The figure shows two waves made of DNA double helixes representing gene expression changes in the malaria parasite and its human host. These changes reveal a synchronization between parasite and host.
Malaria Parasites Sync with Hosts’ Molecular Rhythms
Mariella Bodemeier Loayza Careaga, PhD | Sep 1, 2023 | 2 min read
Evidence of malaria parasites aligning with their human hosts may pave the way for new antimalarial agents.
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.
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.
Green and red fluorescent proteins in a zebrafish outline the animal’s vasculature in red and lymphatic system in green in a fluorescent image. Where the two overlap along the bottom of the animal is yellow.
Serendipity, Happenstance, and Luck: The Making of a Molecular Tool
Shelby Bradford, PhD | Dec 4, 2023 | 10+ min read
The common fluorescent marker GFP traveled a long road to take its popular place in molecular biology today.
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.
A close up of several modular puzzle pieces.
Making Connections: Click Chemistry and Bioorthogonal Chemistry
Deanna MacNeil, PhD | Feb 13, 2024 | 5 min read
Simple, quick, and modular reactions allow researchers to create useful molecular structures from a wide range of substrates.
Artist’s rendition of the molecular structure of a ribosome (blue and purple) as it produces a polypeptide chain (red) from an mRNA template (orange and gray), with tRNA molecules (dark purple) shuttling amino acids.
Specialized Sperm Ribosomes Are Key to Male Fertility in Mice
Dan Robitzski | Dec 15, 2022 | 4 min read
A previously unknown kind of ribosome is responsible for folding sperm proteins, which decay before fertilization if prepared by other ribosomes.
A nine-banded armadillo walking on dry grass.
Leprosy Bacterium Rejuvenates Armadillos’ Livers
Alejandra Manjarrez, PhD | Nov 15, 2022 | 4 min read
Mycobacterium leprae appeared to reprogram the animals’ livers to a state partially resembling early development, resulting in healthy organ growth.
Alma Dal Co wears a blue shirt and red necklace and uses a pointer to examine a component of a laboratory machine. 
Microbial Ecologist Alma Dal Co Dies in Diving Accident
Katherine Irving | Nov 21, 2022 | 3 min read
At 33, Dal Co had already founded her own microbial ecology lab at the University of Lausanne in Switzerland.
Bear paw dusted in snow
Hibernating Bears Provide Clue to Preventing Serious Clots in Humans
Natalia Mesa, PhD | Apr 13, 2023 | 3 min read
Low levels of the clotting factor HSP47 protect the sleeping giants from blood clots, and the same may be possible for humans and other mammals.

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