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tag physiology ecology cell molecular biology developmental biology

Microfluidics: Biology’s Liquid Revolution
Laura Tran, PhD | Feb 26, 2024 | 8 min read
Microfluidic systems redefined biology by providing platforms that handle small fluid volumes, catalyzing advancements in cellular and molecular studies.
Developmental Biology
The Scientist Staff | Feb 1, 1999 | 6 min read
Edited by: Paul Smaglik P. Carmeliet, V. Ferreira, G. Breier, S. Pollefeyt, L. Kieckens, M. Gertsenstein, M. Fahrig, A. Vandenhoeck, K. Harpal, C. Eberhardt, C. Declercq, J. Pawling, L. Moons, D. Collen, W. Risau, A. Nagy, "Abnormal blood vessel development and lethality in embryos lacking a single VEGF allele," Nature, 380:435-9, 1996. (Cited in more than 235 papers since publication) Comments by Andras Nagy, senior staff scientist, Mount Sinai Hospital, Samuel Lunenfeld Research Institute, To
A Molecular Switch for Bone Loss
Mariella Bodemeier Loayza Careaga, PhD | Jan 23, 2024 | 4 min read
Blocking an abnormally active signaling pathway in skeletal stem and progenitor cells alleviates bone mass decline in middle-aged mice. 
Molecular Biology
The Scientist Staff | Nov 14, 1993 | 2 min read
p.17 A.A. Levin, L.J. Sturzenbecker, S. Kazmer, T. Bosakowski, C. Huselton, G. Allenby, J. Speck, C. Kratzeisen, M. Rosenberger, A. Lovey, J.F. Grippo, "9-Cis retinoic acid stereoisomer binds and activates the nuclear receptor RXRa," Nature, 355:359-61, 1992. Arthur A. Levin and Joseph F. Grippo (Department of Toxicology and Pathology, Hoffmann-La Roche Inc., Nutley, N.J.): "The biologic activities of the all-trans (t) isomer of retinoic acid (RA) are mediated through the binding and activati
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.
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.
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.
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.
3d rendered medically accurate illustration of a human embryo anatomy
The Ephemeral Life of the Placenta
Danielle Gerhard, PhD | Dec 4, 2023 | 10+ min read
Recent advances in modeling the human placenta, the least understood organ, may inform placental disorders like preeclampsia.
Flat blue line that becomes a pink jagged line and then a flat red line, on a black background.
Emerging from Silence: Capturing the First Heartbeat
Danielle Gerhard, PhD | Sep 27, 2023 | 5 min read
In the developing zebrafish, a noisy and asynchronous activity jumpstarts the heart’s journey to coordinated beating.

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