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. 1984 Feb;47(2):268-71.
doi: 10.1128/aem.47.2.268-271.1984.

Aerobic microbial degradation of glucoisosaccharinic Acid

S E Strand  1 , J Dykes, V Chiang
Affiliations

Aerobic microbial degradation of glucoisosaccharinic Acid

S E Strand et al. Appl Environ Microbiol. 1984 Feb.

Abstract

alpha-Glucoisosaccharinic acid (GISA), a major by-product of kraft paper manufacture, was synthesized from lactose and used as the carbon source for microbial media. Ten strains of aerobic bacteria capable of growth on GISA were isolated from kraft pulp mill environments. The highest growth yields were obtained with Ancylobacter spp. at pH 7.2 to 9.5. GISA was completely degraded by cultures of an Ancylobacter isolate. Ancylobacter cell suspensions consumed oxygen and produced carbon dioxide in response to GISA addition. A total of 22 laboratory strains of bacteria were tested, and none was capable of growth on GISA. GISA-degrading isolates were not found in forest soils.

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