Axolotls (Ambystoma mexicanum) have the remarkable ability to regrow missing body parts. In a study reported in Science last week (September 27), investigators traced cells that form the regenerative tissue once a limb is amputated, finding that they de-differentiate themselves during the repair process to a multipotent state to become like a limb bud typical of embryonic development.
Image of the Day: Transgenic Axolotl
Lineage tracing reveals how cells help the salamanders regrow chopped-off limbs.
Kerry Grens
Kerry served as The Scientist’s news director until 2021. Before joining The Scientist in 2013, she was a stringer for Reuters Health, the senior health and science reporter at WHYY in Philadelphia, and the health and science reporter at New Hampshire Public Radio. Kerry got her start in journalism as a AAAS Mass Media fellow at KUNC in Colorado. She has a master’s in biological sciences from Stanford University and a biology degree from Loyola University Chicago.
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Meet the Author
Kerry Grens
Kerry served as The Scientist’s news director until 2021. Before joining The Scientist in 2013, she was a stringer for Reuters Health, the senior health and science reporter at WHYY in Philadelphia, and the health and science reporter at New Hampshire Public Radio. Kerry got her start in journalism as a AAAS Mass Media fellow at KUNC in Colorado. She has a master’s in biological sciences from Stanford University and a biology degree from Loyola University Chicago.
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