Warning: file_get_contents(https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&id=25898168
&cmd=llinks): Failed to open stream: HTTP request failed! HTTP/1.1 429 Too Many Requests
in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 215
Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 247.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 247.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 247.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Warning: imagejpeg(C:\Inetpub\vhosts\kidney.de\httpdocs\phplern\25898168
.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Dev+Cell
2015 ; 33
(2
): 204-15
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Aurora B kinase promotes cytokinesis by inducing centralspindlin oligomers that
associate with the plasma membrane
#MMPMID25898168
Basant A
; Lekomtsev S
; Tse YC
; Zhang D
; Longhini KM
; Petronczki M
; Glotzer M
Dev Cell
2015[Apr]; 33
(2
): 204-15
PMID25898168
show ga
In metazoans, cytokinesis is triggered by activation of the GTPase RhoA at the
equatorial plasma membrane. ECT-2, the guanine nucleotide exchange factor (GEF)
required for RhoA activation, is activated by the centralspindlin complex that
concentrates on spindle midzone microtubules. However, these microtubules and the
plasma membrane are not generally in apposition, and thus the mechanism by which
RhoA is activated at the cell equator remains unknown. Here we report that a
regulated pool of membrane-bound, oligomeric centralspindlin stimulates RhoA
activation. The membrane-binding C1 domain of CYK-4, a centralspindlin component,
promotes furrow initiation in C. elegans embryos and human cells. Membrane
localization of centralspindlin oligomers is globally inhibited by PAR-5/14-3-3.
This activity is antagonized by the chromosome passenger complex (CPC), resulting
in RhoA activation at the nascent cleavage site. Therefore, CPC-directed
centralspindlin oligomerization during anaphase induces contractile ring assembly
at the membrane.