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tag lost colony developmental biology culture

colonies of mold growing on a Petri dish
Fungi Squeezed Through Microchannels Offer Clues to Cell Growth
Catherine Offord | Jun 1, 2021 | 3 min read
A study finds that fast-growing species are stymied by narrow gaps, while slower-growing species can pass through and continue extending.
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?
The Scientist Staff | Mar 19, 2024
Surpassing the Law of Averages
Jeffrey M. Perkel | Sep 1, 2009 | 7 min read
By Jeffrey M. Perkel Surpassing the Law of Averages How to expose the behaviors of genes, RNA, proteins, and metabolites in single cells. By necessity or convenience, almost everything we know about biochemistry and molecular biology derives from bulk behavior: From gene regulation to Michaelis-Menten kinetics, we understand biology in terms of what the “average” cell in a population does. But, as Jonathan Weissman of the University of Califo
High-Throughput Epigenetics Analyses
Jyoti Madhusoodanan | Jan 1, 2018 | 7 min read
Emerging technologies help researchers draw mechanistic links between metabolism and epigenetic modification of DNA.
Surviving the Ice Age
Sarah C.P. Williams | Sep 1, 2014 | 6 min read
A beginner’s guide to freezing and thawing pluripotent stem cells
Pluripotency for the Masses
Kelly Rae Chi | Dec 1, 2008 | 7 min read
What beginners need to know as they dive into studies on pluripotent cells.
Stem Cell Know-How
Aileen Constans | Sep 1, 2002 | 7 min read
Image: Courtesy of Gwenn-AEL Dnaet ©2002 National Academy of Sciences STEM CELL XENOGRAFT: Identification of human hepatocytes in livers from immune-deficient mice transplanted with human adult hematopoietic stem cells. Photomicrographs of NOD/SCID mouse liver sections from mice transplanted with purified human Lin-CD38-CD34-C1qRp+ cells isolated from umbilical cord blood, harvested 8-10 weeks post-transplant. Tissue sections were stained for HSA (hepatocyte-specific antigen) or c-met
Skipping Pluripotency
Jef Akst | Sep 14, 2011 | 5 min read
Researchers are developing ways to convert mature somatic cells from one cell type to another, avoiding the tumor-causing pluripotent stage associated with stem cells.
Human RNA silences viral DNA
Charles Choi(cqchoi@nasw.org) | Apr 21, 2005 | 3 min read
MicroRNA plays an unexpected role in the process, researchers report in Science

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