Expression analyses of this novel transcript Rum. The expression of Rum is detected in the tail tissues of embryos (A and B), as well as in chicks and adults (C). Additionally, expression was also detected in WT tissues (D). The samples were analyzed in the following order, from left to right: heart, liver, spleen, kidney, duodenum, jejunum, ileum, pectoralis muscle, thigh muscle, proventriculus, gizzard, thoracic cartilage, leg cartilage, and H₂O.