P{lacW} element insertion 52bp upstream of the ATG.
Mutant for female meiotic segregation: 29.9% X chromosome exceptions from X/X females. 22.8% 4th chromosome exceptions from X/X females. 35.4% X chromosome exceptions from X/Bal females. 22.4% 4th chromosome exceptions from X/Bal females. Recombination defective mutant. Females show no recombination.
mei-P22P22 is a suppressor of ovariole phenotype of GcnaKO
mei-P22P22 is a suppressor of egg chamber phenotype of mio2
mei-P22[+]/mei-P22P22 is a suppressor of nurse cell phenotype of mio2
mei-P22P22/mei-P22P22 is a suppressor of nurse cell phenotype of mio2
mei-P22[+]/mei-P22P22 is a suppressor of oocyte phenotype of mio2
mei-P22P22/mei-P22P22 is a suppressor of oocyte phenotype of mio2
mei-P22P22 is a suppressor of phenotype of mei-41D18
mei-P22P22/mei-P22P22 is a non-suppressor of egg chorion phenotype of blv3/blv1
mei-P22[+]/mei-P22P22 is a non-suppressor of egg chorion phenotype of blv3/blv1
mei-P22P22/mei-P22P22 is a non-suppressor of egg chorion phenotype of nds4/nds2
mei-P22[+]/mei-P22P22 is a non-suppressor of egg chorion phenotype of nds4/nds2
mei-P22P22/mei-P22P22 is a non-suppressor of egg chorion phenotype of trin3/trin1
mei-P22[+]/mei-P22P22 is a non-suppressor of egg chorion phenotype of trin3/trin1
mei-P22P22/mei-P22P22 is a non-suppressor of egg chorion phenotype of SRPK4/SRPK2
mei-P22[+]/mei-P22P22 is a non-suppressor of egg chorion phenotype of SRPK4/SRPK2
mei-P22P22/mei-P22P22 is a non-suppressor of egg chorion phenotype of bha2/bha1
mei-P22[+]/mei-P22P22 is a non-suppressor of egg chorion phenotype of bha2/bha1
mei-41D18, mei-P22P22 has oocyte nucleus & meiotic cell cycle phenotype
Transformation of oocytes to nurse cells in mio2 homozygous females is partially suppressed by mei-P22P22/+ or mei-P22P22/mei-P22P22. The block in oogenesis at around stage 5 seen in mio2 homozygous females is also partially suppressed by mei-P22P22, producing egg chambers that often undergo vitellogenesis and develop to the late stages of oogenesis.
In mei-41D18; mei-P22P22 oocyte nuclei premature anaphases are seen.
No gene conversion or intragenic crossovers are observed in an assay of intragenic recombination at ry. The frequency of cross over on the entire X and second chromosome is much reduced: isolated recombination events suggest that the recombination taken place is in fact a mitotic and not a meiotic event. Examination of oocytes to study meiotic recombination events in sister chromatids reveals there are no cross over events. Double stranded breaks are not left unrepaired. Synaptonemal complex formation is not disrupted, meiotic progression is normal.