Polyamines are important regulators of growth and differentiation in a variety of cells, including parasitic protozoa. Promastigotes of Leishmania species have high levels of putrescine and spermidine and their growth can be inhibited by polyamine biosynthesis antagonists. The putrescine analogue
Journal of bacteriology, 170(12), 5946-5948 (1988-12-01)
DNA from intact or spherically growing spores of Mucor rouxii is highly methylated, whereas DNA from germlings has low levels of methylation. DNA from spores incubated with hydroxyurea or 1,4-diaminobutanone is also highly methylated. The reversal of the effect of
The protozoan Giardia lamblia is the most frequent intestinal parasite of first-world countries and a major cause of waterborne disorder often referred to as traveler's diarrhea. We have previously noticed that the putrescine analog 1,4-diamino-2-butanone (DAB) remarkably inhibits the growth
We utilized our modification of the amplified fragment length polymorphism technique for the determination of changes occurring in the DNA methylation patterns during the dimorphic transition of the fungi Mucor rouxii, Yarrowia lipolytica, and Ustilago maydis. To determine the specificity
The level of expression of oxyR, the gene that protects Escherichia coli against oxidative stress, was enhanced by physiological concentrations of the biogenic amine putrescine. This level was directly proportional to the degree of negative DNA supercoiling. 1,4-Diamino-2-butanone (DAB), a
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