28 research outputs found
Transformation of protoplasts of nontransformableBacillus subtilis mutants by plasmid pUB 110 DNA
No full textGenetic analysis of mutants from Escherichia coli K12 unable to grow anaerobically without exogenous acceptor
No full textThreonine Analogue Resistant Mutants of Escherichia coli K-12
No full textMutants of Escherichia coli K- 12 resistant to a threonine analogue
(ot-amino-I]-hydroxy valeric acid) were predominantly resistant to ethionine and
overproduced both threonine and methionine (2 mg/ml each). Novelty of the
mutants is discussed
Chromosomal location of gene governing the trehalose utilization in Escherichia coli K12
No full text
Isolation from Salmonella typhimurium LT2 of mutants lacking specifically nitrate reductase activity and mapping of the chl-C gene
No full text
Nutritional control of the frequency of MNNG-induced true branching habit in Anabaena doliolum
No full text
