J S Frymier

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MB245, a specific pathogen of the weedy grass Poa annua (annual bluegrass), is being developed as a bioherbicide to control this pest in turf. Nutritional and environmental factors were evaluated based on their ability to support rapid submerged culture growth and high cell yield. Temperature optima for the growth of X. campestris cells in submerged culture(More)
The transcriptional control of the kdpFABC (K+ transport) operon of Salmonella typhimurium was characterized with a lacZ fusion. The kdpFABC operon of this organism was induced by K+ limitation and high osmolality, and osmotic induction was antagonized by a high concentration of K+. In the trkA (sapG) kdp+ mutant background, high concentrations of K+(More)
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