scholarly journals Tyrosine and Phenylalanine Ammonia Lyase Activities during Shoot Initiation in Tobacco Callus Cultures

1985 ◽  
Vol 78 (3) ◽  
pp. 438-441 ◽  
Author(s):  
Lynda D. Beaudoin-Eagan ◽  
Trevor A. Thorpe
1970 ◽  
Vol 48 (2) ◽  
pp. 277-285 ◽  
Author(s):  
Trevor A. Thorpe ◽  
Toshio Murashige

A comparative histochemical study of changes in nucleic acids, proteins, and carbohydrates was performed on freeze-substituted samples of tobacco callus, cultured under shoot-forming and non-organ-forming conditions. The DNA (deoxyribonucleic acid) content per cell showed no apparent change, whereas denser staining for RNA (ribonucleic acid) and protein were observed in shoot-forming regions just before and during the initiation of organized structures. The most dramatic finding was the heavy accumulation of starch in shoot-forming tissue; this accumulation preceded any organ formation and was mainly in regions which ultimately gave rise to primordia.


1983 ◽  
Vol 73 (2) ◽  
pp. 228-232 ◽  
Author(s):  
Lynda D. Beaudoin-Eagan ◽  
Trevor A. Thorpe

1973 ◽  
Vol 60 (8) ◽  
pp. 788-795 ◽  
Author(s):  
Malcolm K. Ross ◽  
Trevor A. Thorpe ◽  
J. William Costerton

1984 ◽  
Vol 113 (4) ◽  
pp. 337-346 ◽  
Author(s):  
Trevor A. Thorpe ◽  
Lynda D. Beaudoin-Eagan

1981 ◽  
Vol 53 (3) ◽  
pp. 319-326 ◽  
Author(s):  
Terry J. Huxter ◽  
Trevor A. Thorpe ◽  
David M. Reid

1984 ◽  
Vol 35 (3) ◽  
pp. 219-223 ◽  
Author(s):  
M.Teresa Piñol ◽  
Javier Palazon ◽  
Manuel Serrano

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