Table II.

Inactivation of Akt or APC2 leads to defects in centrosome migration


Wild type
Control injected
akt mutant
α-Akt injected
Apc2ΔS mutant
sgg1/FM7;; akt mutant
Mean angle of centrosome separation 170 168 155 157 161 168 
SEM centrosome separation 0.79 1.04 1.77 1.63 2.02 0.73 
Percentage of nuclei with centrosome angle <150° 27 30 16 

Wild type
Control injected
akt mutant
α-Akt injected
Apc2ΔS mutant
sgg1/FM7;; akt mutant
Mean angle of centrosome separation 170 168 155 157 161 168 
SEM centrosome separation 0.79 1.04 1.77 1.63 2.02 0.73 
Percentage of nuclei with centrosome angle <150° 27 30 16 

Cycle 12 embryos expressing α-tubulin–GFP were imaged every 10 s under the confocal microscope. Image series were analyzed using automated tracking software and the angle of centrosome separation 20 s before NEB was calculated. akt mutant, embryos laid by akt04226/akt1q mothers; α-Akt injected, embryos injected with Alexa 555–labeled anti-Akt antibodies; apc2Δsmutant, embryos laid by apc2Δshomozygote mothers; control injected, embryos injected with Alexa 555–labeled BSA; sgg1/FM7;; akt mutant, embryos laid by akt04226/akt1q mothers carrying one copy of the sgg mutation; wild type, wild-type embryos.

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