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One of the main objectives in the biology of development is to understand the genetic, cellular and molecular basis for organogenesis and morphogenesis. The branched tubular structure is the structural design most commonly used in the formation of organs. Thus, many essential organs present in most organisms (such as lungs, kidneys and the vascular system) consist of complex branched tubular structures that carry out basic functions such as the transportation of gases and liquids. The bibliographic data currently available indicate that the molecular, genetic and cellular mechanisms of tubulogenesis (morphogenesis of branched tubular structures) have remained well preserved through the course of evolution. The respiratory organ of Drosophila melanogaster, the trachea, consists of a network of branched epithelial tubes that is presented as an ideal, manageable model system for the study of the basis of tubulogenesis. Analysis of the development of the trachea has provided us with a great deal of information on the basic mechanisms for forming tubes, but at the same time it has also enabled us to discover several basic, general mechanisms of morphogenesis, such as cellular migration, cell-signalling and the interactions between tissues and the environment. We will be analysing some of these processes and discussing how they have helped to broaden our knowledge of the way in which organisms are formed.
Cycle: 75th anniversary of CSIC - “Science today for a better tomorrow”
Organized by: Residence for Researchers CSIC-Generalitat of Catalonia
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