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Role of pH and nitrogen limitation in the elaboration of the extracellular polysaccharide pullulan by Pullularia pullulans.

Applied Microbiology, 01 Oct 1971, 22(4):650-654
https://doi.org/10.1128/am.22.4.650-654.1971 PMID: 5167100 PMCID: PMC376380

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Abstract 

During the growth of the yeastlike fungus Pullularia pullulans on glucose as sole carbon source, the cell-mass does not increase concomitantly with the elaboration of the extracellular polysaccharide pullulan, but precedes it. The conditions generated in the culture medium which activate the secretion of polysaccharide have been sought for, and, in particular, the roles of extracellular pH and nitrogen limitatation are examined.

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Appl Microbiol. 1971 Oct; 22(4): 650–654.
PMCID: PMC376380
PMID: 5167100

Role of pH and Nitrogen Limitation in the Elaboration of the Extracellular Polysaccharide Pullulan by Pullularia pullulans

B. J. Catley
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Abstract

During the growth of the yeastlike fungus Pullularia pullulans on glucose as sole carbon source, the cell-mass does not increase concomitantly with the elaboration of the extracellular polysaccharide pullulan, but precedes it. The conditions generated in the culture medium which activate the secretion of polysaccharide have been sought for, and, in particular, the roles of extracellular pH and nitrogen limitatation are examined.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.
  • BENDER H, LEHMANN J, WALLENFELS K. [Pullulan, an extracellular glucan from Pullularia pullulans]. Biochim Biophys Acta. 1959 Dec;36:309–316. [Abstract] [Google Scholar]
  • Catley BJ. Pullulan, a relationship between molecular weight and fine structure. FEBS Lett. 1970 Oct 5;10(3):190–193. [Abstract] [Google Scholar]
  • Catley BJ, Whelan WJ. Observations on the structure of pullulan. Arch Biochem Biophys. 1971 Mar;143(1):138–142. [Abstract] [Google Scholar]
  • Lloyd JB, Whelan WJ. An improved method for enzymic determination of glucose in the presence of maltose. Anal Biochem. 1969 Sep;30(3):467–470. [Abstract] [Google Scholar]
  • Thomas JA, Schlender KK, Larner J. A rapid filter paper assay for UDPglucose-glycogen glucosyltransferase, including an improved biosynthesis of UDP-14C-glucose. Anal Biochem. 1968 Oct 24;25(1):486–499. [Abstract] [Google Scholar]
  • UEDA S, FUJITA K, KOMATSU K, NAKASHIMA ZI. Polysaccharide produced by the genus Pullularia. I. Production of polysaccharide by growing cells. Appl Microbiol. 1963 May;11:211–215. [Europe PMC free article] [Abstract] [Google Scholar]
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