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Volume 15, Number 3 >


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Authors: HIRAI, Katsuya Browse this author
YANAGAWA, Ryo Browse this author
Issue Date: Sep-1967
Publisher: The Graduate School of Veterinary Medicine
Journal Title: Japanese Journal of Veterinary Research
Volume: 15
Issue: 3
Start Page: 121
End Page: 134
Abstract: The growth factor and amino acid requirements of Corynebacterium renale were investigated with special reference to the 3 types of this species reported by YANAGAWA et al. (1967). The results are summarized as follows. 1) Strains of type I required thiamine, biotin and pantothenic acid for maximum growth. These vitamins acted as growth stimulatory factors. Strains of type II required biotin, nicotinic acid and p-aminobenzoic acid as essential growth factors. Thiamine and pantothenic acid acted as growth stimulants. Strains of type III which was most exacting, required thiamine, biotin, nicotinic acid, pantothenic acid and pyridoxine as essential growth factors. Without even one of these vitamins type III strains did not grow. Pyridoxine was required by type III but not by type II while p-aminobenzoic acid was essential for type II but not for type III. 2) Sodium bicarbonate stimulated the growth of all 3 types of C. renale. 3) Ammonium sulfate was necessary for maximum growth of each type. 4) The essential amino acid common to the 3 types of C. renale included glutamic acid, valine and isoleucine, Type I required only these 3 amino acids. Type II required the 3 amino acids essentially ; the growth was accelerated with the addition of methionine, phenylalanine and histidine. Growth of type III was most exacting. In addition to the common 3 amino acids, it required tryptophane essentially. Methionine, phenylalanine and arginine were also needed for maximum growth. Thus, in complexity, the requirements of both growth factors and amino acids was as follows : types III, II and I. 5) Growth inhibition by cystine was particularly noticeable in type I. 6) There was discussion on the comparison of the nutritional requirements of C. diphtheriae, C. sepedonicum and C. renale.
Type: bulletin (article)
Appears in Collections:Japanese Journal of Veterinary Research > Volume 15, Number 3

Submitter: 獣医学部図書室

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