How do chameleons and other creatures change colour?
When most people think of colour change, they think of octopuses or chameleons – but the ability to rapidly change colour is surprisingly widespread.
May 03, 2013
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May 03, 2013
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Research sheds light on how patterns form in bird feathers
(Phys.org) —A new study by scientists in the U.S. and Taiwan has shown that birds have colorful and patterned feathers because of specific cellular interactions involving stem cells rather than through ...
Apr 26, 2013
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Fish prone to melanoma get DNA decoded
Scientists at Washington University School of Medicine in St. Louis and elsewhere have decoded the genome of the platyfish, a cousin of the guppy and a popular choice for home aquariums. Among scientists, ...
Apr 15, 2013
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Why are there redheads? Birds might hold the clues
Red coloration—historically seen as costly in vertebrates—historically seen as costly in vertebrates—might represent some physiological benefit after all, according to research published in the journal Physiological an ...
Jan 28, 2013
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Developmental bait and switch: Enzyme responsible for neural crest cell development
(Phys.org)—During the early developmental stages of vertebrates—animals that have a backbone and spinal column, including humans—cells undergo extensive rearrangements, and some cells migrate over large ...
Nov 01, 2012
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B-Raf and C-Raf proteins turn mouse white
Mice with black fur that turns white? Specialist cancer researchers from Inserm, CNRS, the Institut Curie and the Université Paris-Sud have taken steps to better understand the development of skin cells responsible for pigmentation ...
Oct 05, 2012
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Planarians offer a better view of eye development
Planarian flatworms have come under intense study for their renowned ability to regenerate any missing body part, even as adults. But now they may take on a starring role as a model system for studying eye development and ...
Aug 02, 2012
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Lace plants explain programmed cell death
Programmed cell death (PCD) is a highly regulated process that occurs in all animals and plants as part of normal development and in response to the environment. New research published in BioMed Central's open access journal ...
Jul 24, 2012
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Think pink! Success of pink bacteria in oceans of the world
Marine bacteria of the Roseobacter clade are found to be spread widely throughout the oceans of this planet from the tropics to as far as Antarctica. They live freely in the water, in sediments and as symbiotic partners of alg ...
Jul 19, 2012
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Study describes molecular machinery that pulls apart protein clumps
Amyloid fibers are protein aggregates associated with numerous neurodegenerative diseases, including Parkinson's disease, for which there are no effective treatments.
Jun 19, 2012
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Designing a dye you can count on
Natural substances such as chlorophyll and the heme pigment of red blood cells contain colorful molecules known as porphyrins. They owe their exceptional visual characteristics to a ‘macrocyclic’ ...
May 24, 2012
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Plants may have a single ancestor
(PhysOrg.com) -- An international group of scientists has analyzed the DNA of primitive microscopic algae, and their findings suggest that all plants on Earth may have had a single ancestor.
Feb 17, 2012
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Flexible adult stem cells, right there in your eye
In the future, patients in need of perfectly matched neural stem cells may not need to look any further than their own eyes. Researchers reporting in the January issue of Cell Stem Cell, a Cell Press publication, have identi ...
Jan 05, 2012
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Genetic study of black chickens shed light on mechanisms causing rapid evolution in domestic animals
The genetic changes underlying the evolution of new species are still poorly understood. For instance, we know little about critical changes that have happened during human evolution. Genetic studies in domestic animals can ...
Dec 22, 2011
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Cellular laser microsurgery illuminates research in vertebrate biology
Using an ultrafast femtosecond laser, researchers at Tufts University in Medford, Mass., were able to label, draw patterns on, and remove individual melanocytes cells from a species of frog tadpole (Xenopus) without damaging ...
Aug 17, 2011
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