Amino acid replacement: V503E.
Nucleotide substitution: T1508A.
T3793678A
T1508A
V503E | bark-PA; V503E | bark-PB; V503E | bark-PC
V503E
lethal - all die during embryonic stage
embryonic/larval tracheal section
Mutant embryos show excessively elongated tracheal tubes.