aqp-1 encodes, by alternative splicing, two isoforms of an aquaglyceroporin required for normally short lifespan; AQP-1 expression is upregulated under daf-2(-) conditions, and loss of AQP-1 function in daf-2 mutant animals results in reduced lifespan; AQP-1 increases glycerol permeability five- to seven-fold when expressed in Xenopus oocytes; AQP-1::GFP fusion proteins are expressed predominantly in the intestine, where they localize to the basolateral plasma membrane, but are also expressed in the pharynx; intestinal expression of AQP-1 is repressed by infection with Pseudomonas aeruginosa.
Enables channel activity. Involved in defense response to Gram-negative bacterium; glycerol transmembrane transport; and innate immune response. Located in basolateral plasma membrane. Expressed in intestine and pharynx. Human ortholog(s) of this gene implicated in several diseases, including brain edema; inflammatory bowel disease (multiple); and morbid obesity. Is an ortholog of several human genes including AQP3 (aquaporin 3 (Gill blood group)); AQP7 (aquaporin 7); and AQP9 (aquaporin 9).
Map position created from combination of previous interpolated map position (based on known location of sequence) and allele information. Therefore this is not a genetic map position based on recombination frequencies or genetic experiments. This was done on advice of the CGC.