RecA protein is essential in eubacteria for homologous recombination and promotes the homologous pairing and strand exchange of DNA molecules in vitro. (science.sciencemag.org)
He found many varieties of eubacteria species, including some that usually prefer soil or ocean living — all living inside rock salt. (sciencemag.org)
Of the 150 eubacteria species found, nearly a third had not previously been catalogued, likewise for two - thirds of the 90 archaebacteria species in the samples. (sciencemag.org)