News articles tagged with 'phylogenetic'
Extinctions, loss of habitat harm evolutionary diversity
— 18 Dec 2010 14:00 | EnvironmentA mathematically driven evolutionary snapshot of woody plants in four similar climates around the world has given scientists a fresh perspective on genetic diversity and threats posed…
Scientists reveal criminal virus spreaders using evolutionary forensics
— 16 Nov 2010 13:39 | HealthThe source of HIV infection in two separate criminal cases in which men were convicted of intentionally infecting their female sexual partners was confirmed by scientists from The University…
New 'Tree of Life' established for one of the largest groups of bacteria
— 18 May 2010 19:42 | BiologyA new 'tree of life' has been constructed by researchers at the Virginia Bioinformatics Institute (VBI) at Virginia Tech for the gamma-proteobacteria, a large group of medically and…
The new T. rex: A leech with an affinity for noses
— 15 Apr 2010 10:18 | Geology and palaeontologyThe new T. rex has ferociously large teeth lining a single jaw. But its length is less than 2 inches. Tyrannobdella rex, which means tyrant leech king, is a new species of blood sucker…
Species distribution models are of only limited value for predicting future mammal distributions
— 16 Dec 2009 13:06 | BiologySpecies distribution models are of only limited use in predicting the future distribution of mammals. This is the finding of a study of the climate niches of 140 indigenous European…
Europe's flora is becoming impoverished
— 12 Dec 2009 10:33 | BiologyWith increasing species richness, due to more plant introductions than extinctions, plant communities of many European regions are becoming more homogeneous. The same species are occurring…
Research team finds first evolutionary branching for bilateral animals
— 24 Sep 2009 07:53 | BiologyWhen it comes to understanding a critical junction in animal evolution, some short, simple flatworms have been a real thorn in scientists' sides. Specialists have jousted over the proper…
'Giant' shrew lived in Sierra de Atapuerca mountains nearly a million years ago
— 18 May 2009 15:29 | Geology and palaeontologyMorphometric and phylogenetic analyses of the fossilised remains of the jaws and teeth of a shrew discovered in a deposit in Gran Dolina de Atapuerca, in Burgos, have shown this to…
New sequences from hadrosaur dinosaur confirm that ancient protein is preserved over time
— 1 May 2009 14:44 | Geology and palaeontologyAncient protein dating back 80 million years to the Cretaceous geologic period has been preserved in bone fragments and soft tissues of a hadrosaur, or duck-billed dinosaur, according…
Rapid burst of flowering plants set stage for other species
— 11 Feb 2009 08:40 | EnvironmentA new University of Florida study based on DNA analysis from living flowering plants shows that the ancestors of most modern trees diversified extremely rapidly 90 million years ago,…