Diurnal Cycle Pattern (IMAGE) Texas A&M AgriLife Communications Caption A graph from a recent scientific publication by Texas A&M AgriLife Research scientists in Dallas shows gene expression patterns at different times of day in two sections of the pineapple plant: one that contributes to photosynthesis (green leaf tip) and one that does not (white leaf base.) Credit Texas A&M AgriLife Usage Restrictions Attribution to Texas A&M AgriLife Research License Licensed 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.