Springer Online Journal Archives 1860-2000
Chemistry and Pharmacology
Abstract Rocket immunoelectrophoresis was used to estimate aldehyde oxidase cross-reacting material (AO-CRM) in larval hemolymph and adult fly extracts in mutants with reduced AO enzymatic activity. Hemolymph of larvae homozygous for Aldox n, which is a mutation of the presumed structural gene for AO, contains 30% of the wild-type CRM. The demonstration of AO-CRM in Aldox n larval hemolymph is surprising since this genotype has been reported to lack CRM. By contrast, adult Aldox n flies lack detectable CRM. The other AO-deficient mutants that were examined are cin, mal, and lxd; each has appreciable levels of CRM in both larval hemolymph and adult extracts. Detection of CRM in these mutants helps to clarify conflicting reports in the literature.
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