THE NUTRITIONAL REQUIREMENTS OF PARACOLON BACTERIA

Further studies on the Bethesda group of paracolon bacteria.

Antigenic Studies of a Group of Paracolon Bacteria (Bethesda Group).

Abstract-- Lactic acid bacteria are characterized by numerous nutritional requirements

Lactic acid bacteria are characterized by numerous nutritional requirements. The influence of amino acids and peptides on the growth of Pediococcus pentosaceus c1 isolated from argentinean wines was determined. Cells were growth in synthetic media and in the same media added with the following dipeptides: leucine-leucine; leucine-proline; methionine-proline and glycineglycine. In the complete m...

Nutritional Requirements in Multiple Auxotrophic Lactic Acid Bacteria : Geneti ¢ Lesions

In a study of genetic lesions respo"sible for amino acid requirements in multiple auxotrophic lactic aeid bacteria, a systematic attempt was made to isolate mutants that could synthesize each of the amino acids required by the parental strains of Lactocoecus lactis, Enterocoecus flaecium, and Pediococcus acidilactiei. After treatment with appropriate mutagens or, in some cases, spontaneously, s...

The effect of temperature on the nutritional requirements of facultative and obligate thermophilic bacteria.

The first report dealing with the effect of temperature on the nutritional requirements of microorgsms seems to be that of Mitchell and Houlahan (1946a). In the course of their genetic studies on Neurospora a mutant strain was isolated which required riboflavin for growth. They noted that this requirement was a function of the incubation temperature. When the mutant was grown at temperatures be...