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Proteolytic activities in the supragingival plaque of monkeys (Macaca fascicularis)

Authors
Journal
Archives of Oral Biology
0003-9969
Publisher
Elsevier
Publication Date
Volume
32
Issue
7
Identifiers
DOI: 10.1016/s0003-9969(87)80007-9

Abstract

Summary Thirteen peptidase substrates were hydrolysed by this plaque. After fasting the monkeys for24 h, the rates of hydrolysis of N-leucyl-, N-alanyl-, N-isoleucyl- and N-tyrosyl-2-naphthylamines, glycyl- l-proline 4-nitroanilide, Nα-benzoyl- dl-arginine-2-naphthylamine and l-leucylglycine were significantly increased. Changes in these peptidase activities may serve to enhance the mobilization of amino acids and peptides, and they may explain why the growth rates of dental-plaque bacteria in vivo are generally unaffected by the availability of the host's diet.

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