[Luminescence of nucleohistone, excited in the 120-350 nm region of the spectra].
It is shown that luminescence spectra of DNA, total histone (TH) and nucleohistone (NH) are the same under UV and VUV excitation. The luminescence quantum efficiency falls with a decrease of excitation wave length to 120 nm. This effect is connected with absorption screening of aliphatic amino acids, peptide, and ribosophosphate groups (lambda < 220 nm), with photoionization of DNA (160-120 nm) and photodestruction of tyrosine in TH (lambda < 200 nm).
M N
MN
Kiseleva
N Ia
NIa
Dodonova
D000596:Amino Acids / Q000737:chemistry; D004247:DNA / Q000737:chemistry; D006657:Histones / Q000737:chemistry*; D008163:Luminescent Measurements; D009943:Organophosphorus Compounds / Q000737:chemistry; D010455:Peptides / Q000737:chemistry; D013056:Spectrophotometry, Ultraviolet
D000596:Amino Acids; D006657:Histones; D009943:Organophosphorus Compounds; D010455:Peptides; D004247:DNA
Liuminestsentsiia nukleogistona, vozbuzhdaemaia v oblasti spektra 120-350 nm.