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Effect of urea and amino acids of the ornithine cycle on the biomass accumulation and amino acids synthesis by Candida guilliermondii

Makarova, E.N.; Grigoryan, D.T.

Prikladnaia Biokhimiia i Mikrobiologiia 11(3): 322-325

1975

ISSN/ISBN: 0555-1099
PMID: 1208387
Accession: 039948090
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When assimilating urea, arginine, ornithine and citrulline as the sole source of nitrogen, C. guilliermondii shows a higher economic coefficient of biomass accumulation (54.2, 59.7, 40.6% respectively) as compared with ammonium sulphate whose coefficient is 35.6%. Nitrogen sources exert a significant influence on the content of essential amino acids in the alcohol soluble fraction of cell biomass. For instance, urea and arginine are responsible for the accumulation of ornithine (220 and 480 mug/100 mg abs. dry weight), arginine (470 and 587 mug), aspartic acid (220 mug), glutamic acid (520 and 444 mug), alanine (460 and 500 mug), whereas ammonium sulphate provides an accumulation of serine--52 mug, glycine--57 mug, gamma-aminobutyric acid--480 mug, phenyl alanine--96 mug and leucine--96 mug.

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Related References

Makarova, E.; Grigorian, D. 1975: Influence of urea and amino acids of the ornithine cycle on the biomass accumulation and amino acid synthesis by Candida guilliermondii Prikladnaia biokhimiia i mikrobiologiia 11(3): 322-325
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