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Occurrence of Poly-3-hydroxybutyrate in Azospirillum sp.
A MANNA, S PAL, A K PAUL
Published in Czech Academy of Sciences
1997
Volume: 42
   
Issue: 6
Pages: 629 - 634
Abstract
Azospirillum strains isolated from the roots and rhizosphere of some plants growing in West Bengal were subjected to qualitative and quantitative evaluation for poly-3-hydroxyburyrate (PHB) production. Out of the total 49 isolates, 13 (26 %) were confirmed as PHB producers according to staining and chemical assay methods. The majority of these strains belonged to Azospirillium brasilense but A. amazonense and A. lipoferum were also present. When grown in the presence of NH4Cl in the medium, the PHB content of the strains ranged from 1 to 14 % of cell dry mass. The identity of the PHB extracted from Azospirillium strain 24P-N-72 was confirmed by the characteristic UV and IR absorption peaks at 235 nm and 1730 cm-1, respectively.
About the journal
JournalFolia Microbiologica
PublisherCzech Academy of Sciences
ISSN0015-5632