One of the most remarkable anatomical differences among vertebrate bodies is the relative size of their neck, trunk and tail. This can be illustrated by comparing the bodies of a typical snake and of a long tailed lizard. ...
Cell & Microbiology
Jun 11, 2013
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0
A new study led by UT Southwestern Medical Center molecular biologists presents a novel culture system to grow both embryonic and extraembryonic stem cells, potentially providing important insights into the genesis of congenital ...
Cell & Microbiology
Dec 6, 2023
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26
Scientists have suspected that spare parts in the genome—extra copies of functional genes that arise when genes or whole genomes get duplicated -- might sometimes provide the raw materials for the evolution of new traits. ...
Biotechnology
Sep 3, 2009
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0
Cell growth and division are two of the most fundamental and essential features of life, and closely monitoring cell changes over time can give scientists key insights into dynamics of these biological processes. Time-lapse ...
Cell & Microbiology
Jun 14, 2023
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87
(Phys.org)—Embryonic stem cells hold great promise as a potential cell-based therapy for a myriad of serious diseases, but there is still much to learn before they become a regular part of the doctor's toolkit. Scientists ...
Biochemistry
Nov 1, 2012
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0
Nikolai Slavov, a new assistant professor in the Department of Bioengineering, wasn't looking to upend conventional wisdom when he set out to measure protein levels in ribosomes, the particles in cells that synthesize all ...
Cell & Microbiology
Oct 23, 2015
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30
(Phys.org)—Some reptile species give birth to live young, but turtles have never evolved this ability. New research is revealing why.
Plants & Animals
Feb 6, 2013
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0
Cells in the body need to be acutely aware of their surroundings. A signal from one direction may cause a cell to react in a very different way than if it had come from another direction. Unfortunately for researchers, such ...
Cell & Microbiology
Mar 21, 2013
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0
A collaboration of French and Canadian researchers have found that sucking a portion of a spherical globule of cells into a tiny pipette provides information about the adhesion between cells and the elastic properties of ...
General Physics
May 25, 2010
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0
In most mammals, females have two X chromosomes and males have one X and one Y chromosome in each of their cells. To avoid a double dose of X-linked genes in females, one of the Xs is silenced early in the developmental process. ...
Biotechnology
May 20, 2022
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