Electronic Journal of Biotechnology ISSN: 0717-3458
  © 2002 by Universidad Católica de Valparaíso -- Chile
Vol. 5 No. 1, Issue of April 15, 2002
 


Table 4. Stability of bleomycin resistance in P. chrysogenum transformants.

F1

F2

F3

F4

F5

Control

-

-

-

-

-

Transformants-p

+

+

+

+

+

Transformants-a

+

+

+

+

+

Note: +, grow; -, no grow; 20mg/ml bleomycin; Transformants-p: P. chrysogenum transformants by PEG transformation of protoplasts; Transformants-a: P. chrysogenum transformants using A. tumefaciens ; twenty strains were selected from control, transformants-p, transformants-a, respectively.

 

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