Article
Carotenoid production and phenotypic variation in Azospirillum brasilense.
Research in microbiology - 1 Jun 2017
Brenholtz Gal Reem, Tamir-Ariel Dafna, Okon Yaacov, Burdman Saul
Abstract excerpt
We assessed the occurrence of phenotypic variation in Azospirillum brasilense strains Sp7, Cd, Sp245, Az39 and phv2 during growth in rich media, screening for variants altered in colony pigmentation or extracellular polysaccharide (EPS) production. Previous studies showed that EPS-overproducing variants of Sp7 appear frequently following starvation or growth in minimal medium. In contrast, no such variants were...
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