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The process whose specific outcome is the progression of an open tracheal system over time, from its formation to the mature structure. An open tracheal system is a respiratory system, a branched network of epithelial tubes that supplies oxygen to target tissues via spiracles. An example of this is found in Drosophila melanogaster. The process involved in the specification of cell identity. Once specification has taken place, a cell will be committed to differentiate down a specific pathway if left in its normal environment. Process by which a cell becomes capable of differentiating autonomously into a fusion cell in an environment that is neutral with respect to the developmental pathway; upon specification, the cell fate can be reversed. Fusion cells allow the interconnection of adjacent tracheal metameres during tracheal tube fusion. Any process that restricts, stops or prevents a cell from adopting a fusion cell fate. Once the terminal and fusion fates have been correctly induced, inhibitory feedback loops prevent the remaining branch cells from assuming similar fates. Allocation of epithelial cells within each migrating branch in an open tracheal system to distinct tracheal cell fates. During the migration phase each branch forms a well-defined number of cell types (including fusion cells, terminal cells and branch cells) at precise positions.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: fusion cell fate specification
Acc: GO:0035156
Aspect: Biological Process
Desc: Process by which a cell becomes capable of differentiating autonomously into a fusion cell in an environment that is neutral with respect to the developmental pathway; upon specification, the cell fate can be reversed. Fusion cells allow the interconnection of adjacent tracheal metameres during tracheal tube fusion.
Proteins in PDR annotated with:
   This term: 13 [Search]
   Term or descendants: 15 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0035156 - fusion cell fate specification (interactive image map)
YRC Informatics Platform - Version 3.0
Created and Maintained by: Michael Riffle