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clade at Biology News

Study outlines genetic differences between potential pandemic influenza strains

...Z into subgroups called clades. In 2003 and 2004, clade 1 viruses were primarily responsible for outbreaks...donesia strain found that it belongs to genotype Z clade 2, a subgroup of the virus that previously was not known to cause human disease. Clade 1 and clade ...

Africa's first large-scale HIV vaccine study launches

... will determine if this vaccine, which is based on clade B HIV, has the potential to protect against the clade C virus, the subtype prevalent in South Africa. Phase IIb trials cannot be used to support licensure...

NIAID DNA vaccine for H5N1 avian influenza enters human trial

...fluenza virus, new strains have emerged, including clade II viruses in Indonesia and elsewhere that have drifted genetically from the initial strains detected in Southeast Asia. With this study, the investigators hope to learn whether new technologies, such as DNA vaccines, can provide protection against s...
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Genomics

...e or pattern is present among many members of a clade , that sequence is said to have been conserved among the species. Evolutionary conservation of a DNA sequence may imply that it confers a relative selective advantage to the organisms that possess it. Conservation also suggests that sequence has fu...

Cladistics

...tains one item or a hundred thousand, is called a clade . A correct cladogram should have all the organisms contained in any one clade share a unique ancestor for that clade, one which they do not share with any other organisms on the ...
clade at Biology Dictionary

Tracheophyte

tracheophyte -- Any member of the clade of plant s possessing vascular tissue ; a vascular plant . transduction -- Viral trans fer of DNA to new host . trans gression -- (n) A rise in sea level relative to the land. Full article >>> tracheophyte s : vascular pl...

Taxon

...Any named group of organ isms, not necessarily a clade ; a taxon may be designated by a Latin name or by a letter, number, or any other symbol; taxa- pl. taxon omy -- The science of naming and class ifying organ isms. Full article >>> Taxon omic terminology Clade : in cladistics ...

Synapomorphy

...;> These identifying character istics of a clade are called synapomorphies (shared, derived character s). For instance, hardened front wings are a synapomorphy of beetles, while circinate vernation, or the unrolling of new frond s, ... Full article >>>...

Siphon

...oto stele and eu stele . sister group -- The two clade s resulting from the splitting of a single lineage . Full article >>> Siphon ophora - the "conveyor belt" of the upgrowing larva e and the ovarium can be seen Plankton are also often described in terms of size. Usually the following...

Phylogenetic tree

... transfer . Fairly common in certain land plant clade s; reticulation is thought to be rare among metaz...T U V W X Y Z ... Full article >>> clade A taxon or other group consisting of an ancestral species and all of its descendants, forming a...

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clade at Medicine News

Monkeys Respond To HIV Treatment

...ad of the disease. Even among the HIV virus, the A clade variety is reported to be less deadly than the D type, which brought about death more rapidly. There are a total 40 million people in this world who are HIV positive, and the developing world, particularly Africa accounts for most of this. ...

US Orders More H5N1 vaccine

... that its new contract is for a vaccine based on a clade 2 (subgroup 2) H5N1 virus. The existing stockpile is based on clade 1 viruses, which circulated and caused human cases in Thailand, Vietnam, and Cambodia in 2004 and 20...

Largest Ever African HIV Vaccine Trial Opens in South Africa

...TN 502 was designed to study the vaccine, based on clade B HIV, primarily in men who have sex with men, and...e vaccine has the potential to protect against the clade C virus, the subtype prevalent in South Africa. Analysis of a phase I study presented last year at t...
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clade at Medicine Technology

Mymetics' HIV Vaccine Demonstrates First-Ever Production of Neutralizing IgA Antibodies in Non-Human Primate Model

...also showed the ability to neutralize aprimary HIV clade B virus (QH0692) known to be difficult toneutralize. Mucosal IgA produced against the HIV gp41 protein aftervaccination was determined to be as good or better than the bestanti-HIV neutralizing monoclonal antibodies (2F5, 4E10 and b12)currently on th...
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(Date:7/24/2008)...archers at Wake Forest University Baptist Medical ...ief that the hepatitis C virus slows or stunts the...IV patients are treated with a combination of drug...infection is more serious in HIV-infected people, ...nters for Disease Control. Intravenous drug use is...
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(Date:7/25/2008)...rch published in the July issue of the Journal of...plasma DNA is a reliable marker of recurrent esoph...DNA levels rise before clinical evidence of cancer...phageal cancer, one of the leading causes of cance...stage. An accurate marker for detecting esophageal...
(Date:7/24/2008)...s just as they do human athletes, but the playbook... growth and development in plant cells is far more... study by plant biologists at the Carnegie Institu...oteomics to identify key links in the steroid sign...s activate genes could lead not only to enhanced h...
(Date:7/24/2008)...archers from Columbia University,s Mailman School ...ging issues in infant health and preventing mother...these settings, HIV-infected mothers had been advi...hey should exclusively breast-feed, followed by a ...according to the study conducted in Lusaka, Zambia...
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