Transport of proline inEscherichia coli
β Scribed by David Kessel; Martin Lubin
- Book ID
- 115791523
- Publisher
- Elsevier Science
- Year
- 1962
- Weight
- 652 KB
- Volume
- 57
- Category
- Article
- ISSN
- 0006-3002
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& are c o o r d i n a t e l y cont r o l l e d by t h e l e v e l of l e u c i n e i n t h e growth medium. Spontaneous mutants (Q) which c a n u t i l i z e D-leucine as a s o u r c e of L-leucine show d e r e p r e s s e d t r a n s p o r t a c t i v i t y f o r t h e three-branched c h a i n amin
In an attempt to deduce the physiological basis of proline excretion in argD- strains of Escherichia coli K12, several properties of an argD+ (nonexcreting) and an argD- (excreting) derivative were compared. No difference was found in the transport or in the utilization of either proline or its imme