With this letter, Luria forwarded a manuscript by Francois Jacob and asked his former student to comment on how it might relate
to their research. DeMars was the third graduate student Luria mentored. After receiving his PhD, DeMars took a position at
Washington University in St. Louis. While he was a student at the University of Illinois, the two published several papers
together on bacteriophage.
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1955-04-22 (April 22, 1955)
Luria, Salvador E.
[Washington University School of Medicine]
Original Repository: American Philosophical Society. Library. Salvador Luria Papers
Reproduced with permission of Daniel D. Luria.
Reproduced with permission of the American Philosophical Society.
From Phage to Colicins, 1945-1972
Letter from Robert DeMars to Salvador E. Luria [April 1955]
This MS came from Jacob, with request that it be forwarded to you. When you have studied it, I should like to have it back,
maybe at the time of my visit in May.
I am wondering if the situation is really similar in T2 and in lambda. The most critical thing might be to look for heterozygotes
at various times after mixed infection with UV T2, both with active and inactive and with multiplicity reactivation, If all
UV effect is an initial one (as in lambda), since T2 has many rounds of matings the het should only be more frequently early,
not in late yields. If on the contrary, multiplicity reactivation is due to the fact of repeated matings, then you may find
high values of het throughout the latent period. Many of the experiments by Jacob are worth repeating with T2.