Earlier this month, I had the good fortune to attend a research seminar by Lalita Ramakrishnan, a microbiologist from the University of Washington. Ramakrishnan and colleagues have been studying the infection of larval zebrafish by Mycobacterium marinum. M....
In 1996, Dean et al. (Science), demonstrated that a loss-of-function allele (CCR5Δ32) encoding a version of the chemokine receptor, CCR5, confers very substantial resistance to infection with HIV-1 in the homozygous state and slows progression in the heterozygous...