2015
DOI: 10.1371/journal.pone.0145287
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KillerOrange, a Genetically Encoded Photosensitizer Activated by Blue and Green Light

Abstract: Genetically encoded photosensitizers, proteins that produce reactive oxygen species when illuminated with visible light, are increasingly used as optogenetic tools. Their applications range from ablation of specific cell populations to precise optical inactivation of cellular proteins. Here, we report an orange mutant of red fluorescent protein KillerRed that becomes toxic when illuminated with blue or green light. This new protein, KillerOrange, carries a tryptophan-based chromophore that is novel for photose… Show more

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Cited by 62 publications
(60 citation statements)
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“…A similar anti-inflammatory effect of IL-37 was revealed in a mouse model of AR. Kim et al [70] induced AR in mice by intraperitoneal injection of the HDM allergen, followed by intranasal provocation with the same allergen. As a result, the animals developed AR signs: an increased level of IgE, eosinophil infiltration of the nasal mucosa, and nasal hyperreactivity, which manifested itself in an increased frequency of sneezing.…”
Section: Reviewsmentioning
confidence: 99%
“…A similar anti-inflammatory effect of IL-37 was revealed in a mouse model of AR. Kim et al [70] induced AR in mice by intraperitoneal injection of the HDM allergen, followed by intranasal provocation with the same allergen. As a result, the animals developed AR signs: an increased level of IgE, eosinophil infiltration of the nasal mucosa, and nasal hyperreactivity, which manifested itself in an increased frequency of sneezing.…”
Section: Reviewsmentioning
confidence: 99%
“…The basic characteristics of KillerRed are listed in Table 1 (Bulina et al, 2006a,b; Lukyanov et al, 2010). Further mutations (G5C, Y68W, D119S, N147S, F179L, Y223H, E237Q) of KillerRed result in a blue-shifted KillerOrange , the photosensitization properties of KillerOrange remain to be investigated (Pletneva et al, 2015; Sarkisyan et al, 2015). …”
Section: Protein Photosensitizer For Nanoscopically-confined Photodynmentioning
confidence: 99%
“…Light-inducible technologies have the potential to achieve targeted cell ablation in a more precise manner. Toward that goal, chromophores that generate reactive oxygen species (ROS) upon exposure to light have been applied in various systems (Buckley et al, 2017;Bulina et al, 2006;Makhijani et al, 2017;Qi et al, 2012;Sarkisyan et al, 2015;Xu and Chisholm, 2016).…”
Section: Introductionmentioning
confidence: 99%