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tag limb development bone growth science publishing evolutionary biology

Lose fin proteins, gain limb?
Megan Scudellari | Jun 22, 2010 | 3 min read
The vertebrate transition from fin to limb is one of the juiciest mysteries in evolutionary biology, and this week, scientists may have identified another clue to the puzzle. Published online today (June 23) at linkurl:Nature,;http://www.nature.com/nature/index.html a team of researchers describe two previously unknown proteins essential to fin development in bony fishes -- the loss of which may have been a key step in the evolution of fins to limbs during tetrapod development. "It's a very exc
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.
Gaining Headway in Brain Growth
Jim Kling | Feb 3, 2002 | 4 min read
The Faculty of 1000 is a Web-based literature awareness tool published by BioMed Central. It provides a continuously updated insider's guide to the most important peer-reviewed papers within a range of research fields, based on the recommendations of a faculty of more than 1,400 leading researchers. Each issue, The Scientist will publish a list of the 10 top-rated papers from a specific subject area, as well as a short review of one or more of the listed papers. We will also publish a selection
On the left is a normally developing mouse embryo, on the right is a slightly larger mouse embryo that also contains horse cells that glow green.
Chimera research opens new doors to understanding and treating disease
Hannah Thomasy, PhD, Drug Discovery News | Aug 9, 2023 | 10 min read
Animals with human cells could provide donor organs or help us understand neuropsychiatric disorders.
Macrophages Are the Ultimate Multitaskers
Claire Asher | Oct 1, 2017 | 10+ min read
From guiding branching neurons in the developing brain to maintaining a healthy heartbeat, there seems to be no job that the immune cells can’t tackle.
Wild water striders (Microvelia longipes) on a puddle. The animals with long third legs are the males; the others are females.
A Multipurpose Gene Facilitates the Evolution of an Animal Weapon
Viviane Callier | May 11, 2021 | 4 min read
A single gene called BMP11 regulates not only the size and proportions of a water strider’s massively long third legs, but also how it uses the limbs in fights.
Eat Yourself to Live: Autophagy’s Role in Health and Disease
Vikramjit Lahiri and Daniel J. Klionsky | Mar 1, 2018 | 10+ min read
New details of the molecular process by which our cells consume themselves point to therapeutic potential.
Rethinking Lymphatic Development
Amanda B. Keener | Aug 1, 2015 | 9 min read
Four studies identify alternative origins for cells of the developing lymphatic system, challenging the long-standing view that they all come from veins.
Embryonic twist yields turtle shell
Jef Akst | Jul 8, 2009 | 3 min read
The bizarre body plan of turtles may be less of an evolutionary feat than scientists once believed. According to a linkurl:study;http://www.sciencemag.org/cgi/content/abstract/325/5937/193 published online today in Science, the unique organization of the ribs and the development of the unusual shell that turtles call home may be explained by a relatively small structural variation from their animal relatives that occurs during embryonic development. Image: Wikimedia commons"The turtle body plan
A Tale of Two Tails
Joshua A. Krisch | Dec 6, 2016 | 2 min read
An analysis of ancient fish fossils suggests that mammalian and fish tails are fundamentally different structures, each with unique evolutionary histories.

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