Notes de cours Biologie cellulaire (BIO301) : La dynamique des microtubules
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Course
Biologie cellulaire (BIO301)
Institution
Grenoble I - Université Joseph-Fourier
Cours sur la nature biochimique des microtubules, leurs rôles et dynamiques au sein de la
cellule ainsi que les protéines régulatrices de ces derniers.
Prise de notes de l’UE BIO 301 ; UGA DLST niveau L2
Bio 301 – Biologie cellulaire 2
La dynamique des microtubules
Résumé
Cours sur la nature biochimique des microtubules, leurs rôles et dynamiques au sein de la
cellule ainsi que les protéines régulatrices de ces derniers.
Prise de notes de l’UE BIO 301 ; UGA DLST niveau L2
LILIAN MOREAUX
, Table des matières
1) Introduction.......................................................................................................................... 2
2) Dynamique des microtubules ............................................................................................ 3
3) Les centres organisateurs des microtubules (MTOC) ..................................................... 5
4) Les régulateurs des microtubules...................................................................................... 6
A) Protéines stabilisatrices ................................................................................................. 7
B) Protéines se liant à l’extrémité + .................................................................................. 7
C) Protéine de stockage de tubuline ................................................................................. 8
5) Les moteurs se déplaçant sur les microtubules .............................................................. 9
A) Les kinésines .................................................................................................................... 9
B) Les dynéines ..................................................................................................................... 9
6) Structures hautement spécialisées : flagelles et cils.....................................................11
7) La coordination des cytosquelettes ................................................................................12
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