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Planta. 1991 Nov;185(4):538-44. doi: 10.1007/BF00202964.

Involvement of cinnamyl-alcohol dehydrogenase in the control of lignin formation in Sorghum bicolor L. Moench.

Author information

1
Agrobiological Research Department, Dr. R. Maag Ltd, CH-8157, Dielsdorf, Switzerland.

Abstract

The lignin structure and enzyme activities of normal and brown-midrib (BMR-6) mutant lines of Sorghum bicolor have been compared to identify the enzyme(s) involved in the reduction of the lignin content of the mutant. The results indicate that cinnamyl-alcohol dehydrogenase (CAD) and caffeic acid O-methyltransferase are depressed in the BMR-6 line, whereas the structural modifications correspond only to a reduction of CAD activity. Apparently, the change in the Sorghum lignin content, caused by depression of CAD activity, is accompanied by the incorporation of cinnamaldehydes into the core lignin.

PMID:
24186532
DOI:
10.1007/BF00202964

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