INTERRELATIONSHIP BETWEEN THIOCTIC ACID, l -LYXOFLAVIN, AND RIBOFLAVIN IN STREPTOCOCCUS FAECALIS

Interrelationship between thioctic acid, L-lyxoflavin, and riboflavin in Streptococcus faecalis.

Stokstad and Pierce (1952) presented evidence that protogen revers the inhibition of propionate for Streptococcus faecalis. IAter Brockman et al. (1952) determined the structure of protogen. Bullock et al. (1952) synthesized protogen and various closely related compounds having the property of reversing the inhibition of propionate for S. faecalis and suggested the general name, thioctic acid, ...

Interrelationship between Thiamine and Riboflavin in the Liver*

The possibility of an interrelationship between vitamins of the B group was first suggested by clinical observations. Scandinavian authors (l-3) have reported that treatment of multiple deficiencies with thiamine alone precipitated the appearance of lesions characteristic of nicotinic acid deficiency, and Sydenstricker (4) encountered the enhancement of certain signs of deficiency in pellagrins...

The role of riboflavin in the formation and disposal of hydrogen peroxide by streptococcus faecalis.

Certain strains of Streptococcus faecalis when grown under highly aerobic conditions acquire a mechanism that permits them to oxidize a number of substrates without accumulating H202, and in addition enables them to rid the medium of added H202 during the metabolism of these substrates (Seeley and VanDemark, 1951). This mechanism does not involve catalase or the common hematin-containing peroxi...

aureus, and Streptococcus faecalis

SYNOPSIS The incidence of trimethoprim resistance in coliforms and multiresistant strains of Staphylococcus aureus isolated in Bristol from 1970 to 1972 is low-2-3 and 1 0% respectively. The resistance is probably intrinsic; there is no evidence that it is R-factor or plasmid mediated. A single mechanism that confers resistance to both trimethoprim and sulphamethoxazole has not been detected. N...

Studies on bacterial amino-acid decarboxylases: 2. l(-)-tyrosine decarboxylase from Streptococcus faecalis.