O Raanan-Ashkenazi

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Escherichia coli B strains that have acquired the malB region from E. coli K-12 are able to utilize maltose and to adsorb phage lambda when grown at 30 C, but when grown at 40 C they do not absorb phage lambda and are devoid of amylomaltase activity. These Mal(ts) Lam(ts) cells can be mutated or transduced to become able to grow on maltose at 40 C, but they(More)
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