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The Planet's Long Youth

... debated. Archaebacteria were attributed to a dead end of the evolution which finally occupied habitats of extremely high temperature, acidity, radiation, etc. (Zavarzin, 2001). An alternative view, consistent with data on the evolution of ribosomal RNA (Yusupov et al., 2001; Caetano-Anolles, 2002), placed archaebacteria at the root of the life tree (Martin and Russell, 2003; Vorob’eva, 2004). This priority is supported by plain logic as archaebacteria are the only organisms able to survive in the harsh environment of the primordial Earth. The following stage ...

Modified: 30.05.2005
Zavarzin , bacteria , RNA , Earth , biomass , eukaryotes , evolution , evolution of life , genes
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