This vast domain of hidden biodiversity is increased still further by the dark matter of the biological world of bacteria, which within just the last several years still were known from only about 6,000 species of bacteria
Este vasto dominio de biodiversidad oculta aumenta aún más con la materia oscura del mundo biológico de las bacterias, del que, hace unos años, tan sólo se conocía del orden de 6.000 especies