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Life Sciences
Research from D. Fargette and co-researchers provides new data on life sciences
December 16th, 2008
According to a study from Montpellier, France, "The mechanisms of evolution of plant viruses are being unraveled, yet the timescale of their evolution remains an enigma. To address this critical issue, the divergence time of plant viruses at the intra- and inter- specific levels was assessed." "The time of the most recent common ancestor (TMRCA) of Rice yellow mottle virus (RYMV; genus Sobemovirus) was calculated by a Bayesian coalescent analysis of the coat protein sequences of 253 isolates collected between 1966 and 2006 from all over Africa. It is inferred that RYMV diversified approximately 200 years ago in Africa, i.e., centuries after rice was domesticated or...
Source: TB & Outbreaks Week (2008-12-16)
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