cytokinesis Flashcards

1
Q

what proteins coordinate the actinmyosin ring contraction?

A

myo2, cdc42, Rho1

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2
Q

what does chitin synthase assemble?

A

primary septum made of chitin

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3
Q

what is decoding and establishing the cytokinesis site dependent upon?

A

cdc42

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4
Q

what proteins form a ring as a base for recruitment?

A

gic and septin proteins

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5
Q

what other proteins bind to the ring?

A

F-actin, myo1, bnr1

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6
Q

what triggers actin polymerization and contraction?

A

rho1 activates bni1

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7
Q

what do Hof1 and Cyk3 do?

A

coordinate actin ring contractility and septum growth

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8
Q

what does Inn do?

A

involved in actin ring disassembly

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9
Q

how are formins involved in cytokinesis?

A

drive actin ring nucleation

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10
Q

what must happen before assembly of actomyosin ring and delivery of new membranes?

A

entry to mitosis

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11
Q

how does the mitotic exit network coordinate this?

A

Tem1 GTPase activated by cdc5, this causes release of cdc14 which dephosphorylates cdh1 which binds anaphase promoting complex to drive cyclin B degredation= entry to mitosis

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