Microbiological Conversion of Terpenes Part IX

Microbiological Transformation of Terpenes

PREMA B. R. (National Chemical Laboratory, Poona, India) AND P. K. BHATTACHARYYA. Microbiological transformation of terpenes. II. Transformations of apinene. Appl. Microbiol. 10:524-528. 1962.-Several strains of fungi were tested for their ability to metabolize a-pinene in shake cultures. A strain of Aspergillus niger showing marked efficiency in this respect was selected for further studies. T...

Microbiological transformations of terpenes. III. Transformations of some mono- and sesqui-terpenes.

The action of Aspergillus niger on mono- and sesqui-terpenic hydrocarbons, such as carane, 3-carene, alpha-santalene, and humulene was studied in shake cultures. Carane, Delta3-carene, and humulene proved to be rather resistant to oxygenation by the experimental strain of A. niger. Carene yielded a hydroxyketone, C(10)H(14)O(2), in poor yields after prolonged fermentation. The sesqui-terpene hy...

The Enzymic Conversion of Protoporphyrinogen IX to Protoporphyrin IX

The oxidation of protoporphyrinogen IX to protoporphyrin TX in yeast cells is enzyme-dependent. The enzyme, protoporphyrinogen oxidase, associated with purified mitochondria isolated from Saccharomyces cereuisiae was solubilized by sonic treatment in the presence of detergent and partially purified. The molecular weight of the enzyme was 180,000 f 18,000. The purified preparation could be store...

Part Ix Afterword

Someone has to go last and in this case the honor falls to Mike Byrne. I did not commission Mike to write “a last chapter” but that is what he did. In a way his chapter 30 and my chapter 1 can be viewed as bookends for the 28 chapters that lie between. I began the book with a short essay on three types of control of cognition that need to be considered when building integrated models of cogniti...

205-Part IX-Chapter 10