Thanks for your letters. I have been so damned busy with the extraneous matters that I have not attended to my correspondence
and have not been doing as much work as I would like to. Your work on the lactase seems very good. Have you seen Monod's
articles on the lactase and "amylomaltase" of E. coli in the July Comptes Rendus? He beat us to the essence of maltose
breakdown, so I decided not to hurry with the paper. However, I am about to write up our results for what they are worth.
In essence, the breakdown follows the following pattern:
So far I have not checked the fate of glucose in resting cell suspensions, but know that it accumulated in enzyme preparation.
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amylomaltase to be adaptive, so I wonder whether all of W-108 may not contain the gene for its production, W-327 being merely
the adapted form. Have not done anything about this part of it. Some of my students may work on your strains but in any
case, I intend to look into them seriously next year. As I told you, I am applying for a fellowship and want to spend about
3 months with you if I get it for 1949-1950. We could certainly line up enough interesting material among your mutants to
keep several laboratories busy. I would also like to spend some time with Monod. This, of course, is all problematical and
dependent on many factors.
I shall be sending you the names cript when it is ready.