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. Author manuscript; available in PMC: 2009 Oct 1.

Published in final edited form as: Int J Parasitol. 2008 Apr 25;38(12):1391–1400. doi: 10.1016/j.ijpara.2008.04.002

Fig. 2 — Luminescent T. cruzi imaged at various times p.i. with an IVIS imaging system. (A) Trypomastigotes were isolated from in vitro myoblast infections and different amounts, as indicated, were injected i.p. into A/J mice. Mice were imaged ventrally starting 1 h after infection and monitored the days p.i. as shown. For all images shown, the color scale ranges from blue (just above background with a minimum set to 15,000 photons/sec/cm²/sr) to red (maximum of 1 × 10⁶ photons/sec/cm²/sr). (B) The course of whole-body parasite burden expressed in terms of the photonic signal resulting from infection of A/J mice with either 10⁶, 10⁵ or 10⁴ luminescent or 10⁶ wild-type T. cruzi trypomastigotes. The total light emission from the entire mouse body was measured and data points were generated from the analysis of at least two mice per infection condition. Day 0 p.i. corresponds to measurements acquired 1 h p.i. (see A). The signal shown for wild-type infection corresponds to background noise of the IVIS instrument. Abbreviation: min, minimum.

Fig. 2 — Luminescent T. cruzi imaged at various times p.i. with an IVIS imaging system. (A) Trypomastigotes were isolated from in vitro myoblast infections and different amounts, as indicated, were injected i.p. into A/J mice. Mice were imaged ventrally starting 1 h after infection and monitored the days p.i. as shown. For all images shown, the color scale ranges from blue (just above background with a minimum set to 15,000 photons/sec/cm²/sr) to red (maximum of 1 × 10⁶ photons/sec/cm²/sr). (B) The course of whole-body parasite burden expressed in terms of the photonic signal resulting from infection of A/J mice with either 10⁶, 10⁵ or 10⁴ luminescent or 10⁶ wild-type T. cruzi trypomastigotes. The total light emission from the entire mouse body was measured and data points were generated from the analysis of at least two mice per infection condition. Day 0 p.i. corresponds to measurements acquired 1 h p.i. (see A). The signal shown for wild-type infection corresponds to background noise of the IVIS instrument. Abbreviation: min, minimum.