TY - JOUR AU - Koop, Demian AU - Cisternas, Paula AU - Morris, Valerie B. AU - Strbenac, Dario AU - Yang, Jean Yee Hwa AU - Wray, Gregory A. AU - Byrne, Maria PY - 2017 DA - 2017/02/13 TI - Nodal and BMP expression during the transition to pentamery in the sea urchin Heliocidaris erythrogramma: insights into patterning the enigmatic echinoderm body plan JO - BMC Developmental Biology SP - 4 VL - 17 IS - 1 AB - The molecular mechanisms underlying the development of the unusual echinoderm pentameral body plan and their likeness to mechanisms underlying the development of the bilateral plans of other deuterostomes are of interest in tracing body plan evolution. In this first study of the spatial expression of genes associated with Nodal and BMP2/4 signalling during the transition to pentamery in sea urchins, we investigate Heliocidaris erythrogramma, a species that provides access to the developing adult rudiment within days of fertilization. SN - 1471-213X UR - https://doi.org/10.1186/s12861-017-0145-1 DO - 10.1186/s12861-017-0145-1 ID - Koop2017 ER -