Arginine Catabolism by Microorganisms

Abstract

INTRODUCTION 140 THE ARGINASE PATHWAy 140 Properties 0/ the Enzymes 140 Arginase 140 Ornithine aminotransferase 143 A'_PyrroUne-5-carboxylate dehydrogenase 143 ATP:urea amidolyase system 143 Urease 143 Regulation 0/ Enzyme Synthesis 144 Induction 144 Catabolite repression 145 Avoida.nc� o/.Simultaneous Operation 0/ the Catabolic and Anabolic Pathways .... 146 Ep,argmas,c control 146 Compartmentation 147 THE ARGININE TRANSAMIDINASE PATHWAy 148 THE ARGININE DEIMINASE PATHWAy 149 Introduction 149 The Dihydrolase Test 151 Enzymes o/the Pathway 151 Arginine deiminase 151 Ornithine transcarbamylase 152 Carbamate kinase .... ....... 154 Aminotransferase 158 THE ARGININE DECARBOXYLASE PATHWAy 160 Properties o/the Enzymes 161 Arginine decarboxylase 161 Agmatine ureohydmlase 162 OTHER PATHWAYS OF ARGININE CATABOLISM 162 CONCLUDING REMARKS 163