effects of beta-alanine on mating behavior and aggression were studied in drosophila melanogaster using the following competitive pairs : ( 1 ) homozygous black ( b/b ) flies , in which beta-alanine synthesis is decreased , vs. alanine is blocked vs. wild-type ( e+/e+ ) flies ;
C0000392
beta-alanine
C0001898
alanine