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MOLECULAR CHARACTERIZATION OF A BIFUNCTIONAL ENZYME 



(DEHYDROQUINATE DEHYDRATASE/SHIKIMATE DEHYDROGENASE) 



AND THE POST-PREPHENATE PATHWAY ENZYMES NEEDED FOR 



PHENYLALANINE AND TYROSINE BIOSYNTHESIS IN NICOTIANA SPP, 



BY 

 CAROL ANN BONNER 



A DISSERTATION PRESENTED TO THE 

 GRADUATE SCHOOL OF THE UNIVERSITY OF FLORIDA IN 

 PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF 



DOCTOR OF PHILOSOPHY 



UNIVERSITY OF FLORIDA 

 1994 



