microtubule severing with growth reinitiation - marco saltini
TRANSCRIPT
..........
.....
......
.....
.....
.....
......
.....
.....
.....
......
.....
.....
.....
......
.....
......
.....
.....
.
Microtubule severingwith growth reinitiation
Marco SaltiniTheory of Biomolecular Matter group
AMOLF (Amsterdam)
Marco Saltini FOM Institute AMOLFMicrotubule severing with growth reinitiation
..........
.....
......
.....
.....
.....
......
.....
.....
.....
......
.....
.....
.....
......
.....
......
.....
.....
.
Microtubules of plant cellsreorient in response to the perception of blue light
Marco Saltini FOM Institute AMOLFMicrotubule severing with growth reinitiation
..........
.....
......
.....
.....
.....
......
.....
.....
.....
......
.....
.....
.....
......
.....
......
.....
.....
.
Microtubules undergo severing at their crossovers
katanin
Marco Saltini FOM Institute AMOLFMicrotubule severing with growth reinitiation
..........
.....
......
.....
.....
.....
......
.....
.....
.....
......
.....
.....
.....
......
.....
......
.....
.....
.
Microtubules undergo severing at their crossovers
katanin
Marco Saltini FOM Institute AMOLFMicrotubule severing with growth reinitiation
..........
.....
......
.....
.....
.....
......
.....
.....
.....
......
.....
.....
.....
......
.....
......
.....
.....
.
Microtubules undergo severing at their crossovers
katanin
p+ 1-p+
Marco Saltini FOM Institute AMOLFMicrotubule severing with growth reinitiation
..........
.....
......
.....
.....
.....
......
.....
.....
.....
......
.....
.....
.....
......
.....
......
.....
.....
.
The mean number of MTs grows exponentially in time
0 100 200 300 400 5000
5
10
15
20
25
30n
um
ber
of
MTs
time (sec)
WTspr1
3xeb1clasp
0 3 6 9 12
time (min)
0
0,1
0,2
0,3
0,4
0,5
fracti
on
of
exti
ncti
on
s
WTspr1
3xeb1clasp
Marco Saltini FOM Institute AMOLFMicrotubule severing with growth reinitiation
..........
.....
......
.....
.....
.....
......
.....
.....
.....
......
.....
.....
.....
......
.....
......
.....
.....
.
The mean number of MTs grows exponentially in time
0 100 200 300 400 5000
5
10
15
20
25
30n
um
ber
of
MTs
time (sec)
WTspr1
3xeb1clasp
0 3 6 9 12
time (min)
0
0,1
0,2
0,3
0,4
0,5
fracti
on
of
exti
ncti
on
s
WTspr1
3xeb1clasp
nu
mber
of
MTs
time
p+?
Marco Saltini FOM Institute AMOLFMicrotubule severing with growth reinitiation
..........
.....
......
.....
.....
.....
......
.....
.....
.....
......
.....
.....
.....
......
.....
......
.....
.....
.
Aknowledgments
AMOLF (Amsterdam)Bela MulderTheory of Biomolecular Matter group
Technische Universiteit DelftMarileen Dogterom Lab
Carnegie Institution for Science (Stanford)Jelmer LindeboomMasayoshi NakamuraDavid Ehrhardt
Marco Saltini FOM Institute AMOLFMicrotubule severing with growth reinitiation