Regulation of seamless tube development

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Biological tubes make up fundamental structures of many organs in multicellular organisms. They function to transport gases, fluids and cells over long distances to supply essential factors necessary for growth and development. Kidneys, lungs and vasculature are comprised almost entirely of tubes, and these exist as both multicellular (epithelial) and unicellular (seamless) units. Although these tubes can develop in many different ways they all share the common feature of an apical surface lining the lumen. The long-term goals of this research program are to understand the mechanisms by which biological tubes develop using the excretory cell of the nematode roundworm