Involvement of caveolin-1 in meiotic cell-cycle progression in Caenorhabditis elegans

10.1038/10100 ◽  
1999 ◽  
Vol 1 (2) ◽  
pp. 127-129 ◽  
Author(s):  
Jochen Scheel ◽  
Jagan Srinivasan ◽  
Ulrike Honnert ◽  
Annemarie Henske ◽  
Teymuras V. Kurzchalia
Development ◽  
1995 ◽  
Vol 121 (8) ◽  
pp. 2525-2535 ◽  
Author(s):  
D.L. Church ◽  
K.L. Guan ◽  
E.J. Lambie

In the germline of Caenorhabditis elegans hermaphrodites, meiotic cell cycle progression occurs in spatially restricted regions. Immediately after leaving the distal mitotic region, germ cells enter meiosis and thereafter remain in the pachytene stage of first meiotic prophase for an extended period. At the dorsoventral gonadal flexure, germ cells exit pachytene and subsequently become arrested in diakinesis. We have found that exit from pachytene is dependent on the function of three members of the MAP kinase signaling cascade. One of these genes, mek-2, is a newly identified C. elegans MEK (MAP kinase kinase). The other two genes, mpk-1/sur-1 (MAP kinase) and let-60 ras, were previously identified based on their roles in vulval induction and are shown here to act in combination with mek-2 to permit exit from pachytene. Through genetic mosaic analysis, we demonstrate that the expression of mpk-1/sur-1 is required within the germline to permit exit from pachytene.


2007 ◽  
Vol 12 (3) ◽  
pp. 407-420 ◽  
Author(s):  
Yosuke Matsubara ◽  
Ichiro Kawasaki ◽  
Seiichi Urushiyama ◽  
Tomoharu Yasuda ◽  
Masaki Shirakata ◽  
...  

2015 ◽  
Vol 6 (1) ◽  
Author(s):  
Federico Pelisch ◽  
Remi Sonneville ◽  
Ehsan Pourkarimi ◽  
Ana Agostinho ◽  
J. Julian Blow ◽  
...  

2018 ◽  
Vol 37 (24) ◽  
Author(s):  
Qian‐Qian Sha ◽  
Jia‐Li Yu ◽  
Jing‐Xin Guo ◽  
Xing‐Xing Dai ◽  
Jun‐Chao Jiang ◽  
...  

2014 ◽  
Vol 5 (1) ◽  
Author(s):  
Federico Pelisch ◽  
Remi Sonneville ◽  
Ehsan Pourkarimi ◽  
Ana Agostinho ◽  
J. Julian Blow ◽  
...  

Abstract The small ubiquitin-like modifier (SUMO), initially characterized as a suppressor of a mutation in the gene encoding the centromeric protein MIF2, is involved in many aspects of cell cycle regulation. The dynamics of conjugation and deconjugation and the role of SUMO during the cell cycle remain unexplored. Here we used Caenorhabditis elegans to establish the contribution of SUMO to a timely and accurate cell division. Chromatin-associated SUMO conjugates increase during metaphase but decrease rapidly during anaphase. Accumulation of SUMO conjugates on the metaphase plate and proper chromosome alignment depend on the SUMO E2 conjugating enzyme UBC-9 and SUMO E3 ligase PIASGEI-17. Deconjugation is achieved by the SUMO protease ULP-4 and is crucial for correct progression through the cell cycle. Moreover, ULP-4 is necessary for Aurora BAIR-2 extraction from chromatin and relocation to the spindle mid-zone. Our results show that dynamic SUMO conjugation plays a role in cell cycle progression.


2020 ◽  
Vol 34 (3-4) ◽  
pp. 166-178
Author(s):  
Chunxia Zhang ◽  
Zhiyuan Chen ◽  
Qiangzong Yin ◽  
Xudong Fu ◽  
Yisi Li ◽  
...  

1995 ◽  
Vol 270 (22) ◽  
pp. 13541-13547 ◽  
Author(s):  
Jay C. Strum ◽  
Katherine I. Swenson ◽  
J. Eric Turner ◽  
Robert M. Bell

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