Actinomycetes — xiii — Contents 



AcTiNOMYCETEs— Metabolism of Anaerobic Actinomycetes— Pro- 

 duction OF Odors— Production of Pigments— Thermophilic Ac- 

 tinomycetes 79 



Chaffer VI 



PRODUCTION OF ENZYMES AND OF GROWTH-PRO- 

 MOTING SUBSTANCES:— Production of Enzymes— Production 

 OF Vitamins— Oxidative Mechanisms 100 



Chapter Vll 



ANTAGONISTIC PROPERTIES OF ACTINOMYCETES AND 

 PRODUCTION OF ANTIBIOTICS:-Antagonistic Effects of Ac 

 TiNOMY'CETEs— Production of Antibiotics by Actinomycetes . 107 



Chapter VIII 



DISTRIBUTION OF ACTINOMYCETES IN NATURE:-Oc 



currence of Actinomycetes in the Soil— Occurrence of Actino- 

 mycetes IN Manures and Composts— Occurrence of Actinomy- 

 cetes IN Water Basins— Occurrence of Actinomycetes in Dust 

 and on Exposed Surfaces of Plants— Occurrence of Actinomy- 

 cetes IN Foodstuffs— Occurrence of Actinomycetes in Animal 

 Systems 133 



Chapter IX 



DECOMPOSITION OF PLANT AND ANIMAL RESIDUES:- 



Decomposition of Pure Organic Compolinds— Decomposition of 

 Complex Plant Materials— Decomposition of Humus— Ther- 

 mophilic Composts 149 



Chapter X 



ACTINOMYCETES AS CAUSATIVE AGENTS OF PLANT 



DISEASES:— Potato Scab— Sugar Beet and Mangel Scab— Sweet 

 Potato Pox or Soft Rot— Other Plants Infected by Scab Organ- 

 isms—Other Plant Actinomycoses— Methods of Control . 155 



Chapter XI 



ACTINOMYCETES AS CAUSATIVE AGENTS OF HUMAN 

 AND ANIMAL DISEASES:— Etiology of Infections— Earlier In- 

 vestigations—Recent Studies— Trlie Actinomycosis— Aerobic Ac- 

 tinomyces Infections— Chemotherapy of Actinomycosis . 170 



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