CONTENTS 



CHAPTER 2 



Biosynthesis of Cyclopropane Fatty 

 Acids 32 



1. Estimation of the Fatty Acid Compo- 

 sition of Bacterial Lipids, 32 



2. Chemical Nature of Monoethenoid 

 Fatty Acids in Microorganisms, 55 



3. Fatty Acid Interconversions in Lacto- 

 bacilli, 38 



4. Position of the Cyclopropane Ring 

 in Lactobacillic Acid and Separation 

 of Carbon Atom 19 from the Mole- 

 cule, 42 



5. Cyclopropane Ring Biosynthesis, 48 



CHAPTER 3 



Biosynthesis of Monounsaturated 



Fatty Acids by Microorganisms 57 



L Growth Studies, 57 



2. Studies with Labeled Compounds, 62 



3. Metabolism of Monounsaturated Fatty 

 Acids in Bacteria, 66 



Index 73 



