Provisionally

... this first observation, over a century has passed and the taxonomy of this enigmatic organism remains controversial. Previous investigators have provisionally classified R. seeberi as a protist, phycomycete, and an ascomy- cetous fungus. These historical attempts to establish the taxonomic position ...

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... units that reduce MTT (3-[4,5-dimethyl-2-thiazolyl]-2,5-diphenyl-2H-tetrazolium bromide). This indicates the viability of these spherical bodies, provisionally identified as the electron dense bodies that have also been shown to contain nucleic acids. MTT reduction as an indicator of viability ...

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... units that reduce MTT (3-[4,5-dimethyl-2-thiazolyl]-2,5-diphenyl-2H-tetrazolium bromide). This indicates the viability of these spherical bodies, provisionally identified as the electron dense bodies that have also been shown to contain nucleic acids. MTT reduction as an indicator of viability ...

See entire post