(IMAGE) Kumamoto University Caption Due to the 4-hour maturation half-life of the Timer protein's blue-to-red chromophore, we can detect reactivated or recently silenced proviruses with high sensitivity using Timer fluorescence. HIV-Tocky has identified two latent patterns: direct latency, and later latency which initially exhibits transient expression. Credit Yorifumi Satou, Kumamoto University Usage Restrictions Cannot be used without prior permission License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.