Tag: "tree" at biology news

Landmark gene agreement announced by Samoan government and UC Berkeley for anti-AIDS drug Prostratin

...he Samoan government to isolate from an indigenous tree the gene for a promising anti-AIDS drug and to sha...atin, a drug extracted from the bark of the mamala tree (Homalanthus nutans). The drug currently is being studied by scientists around the world because of ...

Landmark agreement between Samoa and UC Berkeley could help search for AIDS cure

...he Samoan government to isolate from an indigenous tree the gene for a promising anti-AIDS drug and to sha...atin, a drug extracted from the bark of the mamala tree (Homalanthus nutans). The drug currently is being studied by scientists around the world because of ...

Study: Emission of smog ingredients from trees is increasing rapidly

...industrial chemicals, but also come naturally from tree leaves. These chemicals, known collectively as VOC...e study found. The increase stems from intensified tree farming and other land use changes that have altered the mix of trees in the landscape, said Drew Pu...

Poplar DNA code cracked -- a step in combating global warming?

...niversity - has succeeded in deciphering the first tree genome, that of the poplar. Gaining knowledge of t... CO2, the primary greenhouse gas. In addition, new tree varieties can be produced that have a finer timber quality. Wood is also the principal material for ...

The book opens on the first tree genome

... international collaboration to sequence the first tree genome, DOE once again is pioneering discovery-cla... quality standards. Poplar was chosen as the first tree DNA sequence decoded because of its relatively compact genetic complement, some 40 times smaller tha...

European common frog found to use novel mating strategy

.... The goal is to fully understand the evolutionary tree of amphibians, all the way down to its roots. Vieites' colleagues in the studies were Sandra Nieto-Roman and Antonio Palanca of the University of Vigo, Marta Barluenga and Axel Meyer of the Lehrstuhl fur Zoologie und Evolutionsbiologie at the Univers...

Genetic analysis rewrites salamander's evolutionary history

...ake for granted that the limbs and branches of the tree of life - painstakingly constructed since Linnaeus...st family of salamanders produced a genetic family tree totally inconsistent with the accepted classification, which is based primarily on physical features...

Complex cells likely arose from combination of bacterial and extreme-microbe genomes

...and in the processes two different branches of the tree of life were fused to form the ring of life," Lake said. The work is part of an effort supported by the National Science Foundation--the federal agency that supports research and education across all disciplines of science and engineering--to re-...

UCLA molecular biologists uproot the tree of life

...and in the processes two different branches of the tree of life were fused to form the ring of life," Lake said. "A major unsolved question in biology has been where eukaryotes came from, where we came from. The answer is that we have two parents, and we now know who those parents were. "If we go back a h...

Genetic map of important tree genes outlined

... database of many of the most important genes in a tree genome. This collection of genes, which includes a large proportion of those expressed during tree growth, is among the best for any plant species. "This is an important fundamental step towards doin...

Identifying tick genes could halt disease, bioterrorism threat

...rn much about the whole branch of the evolutionary tree that includes this arthropod, she said. "This is an exciting opportunity to study this unique organism in a new way," Hill said. "We will be able to identify targets for development of novel insecticides to control ticks and new vaccines to control t...

JGI announces community sequencing program portfolio

...close conspicuous gaps in our understanding of the tree of life, the U.S. Department of Energy (DOE) Joint... from having a series of genome projects along the tree of life--mouse, puffer fish, fruit fly, worm--while plant genomics has suffered since only a closely...

Plumbing trees' plumbing reveals their engineering skill

...f a unique labyrinth of Texas caves festooned with tree roots, Duke University biologists have given trees...efficiently. The scientists' technique of studying tree roots in place offers a far more realistic look at how trees manage their water circulation than res...

Using statistics to decipher secrets of natural mutation

...ns among species across the mammalian evolutionary tree can yield insight into how mutational patterns have changed over evolutionary time. They focused their analysis on a 1.7 million base pair DNA segment known as the "greater cystic fibrosis transmembrane conductance regulator region," which was seque...

For Africa's valuable mahoganies, it's the soil, stupid

...ct to the distribution of these and other tropical tree species have looked at things like topography to i...ed timber, which require regeneration of harvested tree species, are huge. Hall said that the tradition throughout West and Central Africa has been one of ...

Biologists deciphering complex lemur scent language

... branched off from the primate evolutionary family tree before monkeys and apes. Scordato has now graduated and is continuing her research as a staff member in the Department of Biological Anthropology and Anatomy. Said Drea, "We thought that ringtails were particularly interesting because the males have ...

NHGRI adds 18 organisms to sequencing pipeline

...presents an important position on the evolutionary tree and therefore will contribute a sequence that will be particularly important in helping to interpret the human genome. The data from seven of these mammalian genomes will be used primarily in the identification of features that are similar, o...

Virginia Tech's smelly 'corpse plant' due to bloom Aug. 4

...r. After the bloom dies, a leaf stalk resembling a tree sapling will begin to emerge. The plant was first discovered in 1878 in Indonesia, first cultivated at the Royal Botanic Gardens in England in 1887. The titan arum is in the same plant family as familiar house plants such as Dieffenbachia, Philodendr...

New England forests at greater risk from air pollution

...ted species of lichens. Lichens typically live on tree trunks, branches and rocks on the forest floor, and they're well known for their sensitivity to environmental change, such as air pollution, says Susan Will-Wolf, a UW-Madison associate scientist in botany, who is involved in the project. "They're th...

Duke study disputes idea that trees can 'relocate' quickly in response to climate change

...idely accepted theory that many of the continent's tree species migrated rapidly from the deep South as gl...ence has led many scientists to conclude that many tree species now occupying former glaciated areas migrated north over an interval of a few thousand years...

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