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Grassano, A; Ronchi, Al; Lorda, G; Balatti, Ap
World journal of microbiology & biotechnology, 02/1999, Letnik: 15, Številka: 1Journal Article
The growth rate of different strains of Bradyrhizobium and Rhizobium was studied in media containing amaranth seed meal instead of yeast extract. Results obtained in erlenmeyer flasks and stirred fermenters show that both Bradyrhizobium japonicum strains E109, E110, 5019, 587 and Rhizobium melilotistrains B36, B323, B399, Lq^sub 22^, Lq^sub 42^, Lq^sub 51^ and U^sub 322^, grow satisfactorily in amaranth seed meal medium. Cell count obtained for the strains tested was greater than 4 × 10^sup 10^ viable cells.ml^sup -1^. Amaranth seed meal (4 g.l^sup -1^) is a suitable component for culture media that can be used instead of yeast extract.PUBLICATION ABSTRACT
