Papilio glaucus (tiger swallowtail) is a generalist that rarely encounters plants containing furanocoumarins yet is constitutively capable of metabolizing low levels of these highly toxic allelochemicals. In larvae of this species, metabolism of linear (xanthotoxin, bergapten), and angular
Oral administration of 8-methoxypsoralen followed by exposure to longwave ultraviolet light (primarily ultraviolet A, 320-400 nm) is used in the treatment of vitiligo and psoriasis. 8-Methoxypsoralen also occurs naturally in a variety of vegetables. Toxicology and carcinogenesis studies of
Several related cytochrome P450 cDNAs belonging to the CYP9 family have been cloned from the midgut of larval tobacco hornworms, Manduca sexta. The first P450, CYP9A2, was obtained by RT-PCR using degenerate primers. Northern blot analysis of expression in the midgut using the CYP9A2 probe revealed
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