Literature DB >> 25940349

C. elegans Anillin proteins regulate intercellular bridge stability and germline syncytial organization.

Rana Amini, Eugénie Goupil, Sara Labella, Monique Zetka, Amy S Maddox, Jean-Claude Labbé, Nicolas T Chartier.   

Abstract

Entities:  

Year:  2015        PMID: 25940349      PMCID: PMC4427794          DOI: 10.1083/jcb.20131011704212015c

Source DB:  PubMed          Journal:  J Cell Biol        ISSN: 0021-9525            Impact factor:   10.539


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Vol. 206 No. 1, July 7, 2014. Pages 129–143. In the original version of Figure 7, the y axis unit labels were incorrect in panels B and C.
Figure 7.

Cytoplasmic streaming in the rachis may be responsible for germline disorganization in . (A) DIC images of the germlines of wild-type (left) and ani-2(−) (right) young adult animals. Some membrane partitions are outlined in red. The white arrow depicts the direction of cytoplasmic streaming. (B) DIC images (top) and schematic representations (bottom) of kymographs of cytoplasmic streaming in the gonads of animals depicted in A. Kymographs were made along the white line shown in A. The total duration of the movie is 45 min. (C) Average velocity of cytoplasmic streaming in the rachis of wild-type (black) and ani-2(−) (gray) animals. Error bars represent SD over 9 animals analyzed for each genotype. (D) Mid-section confocal images of a wild-type (top) and an ani-2(−) (bottom) male adult germline expressing a membrane marker (red) and GFP::PGL-1 (green). (E) Measured fluorescence intensities (in arbitrary units) for the membrane marker along the lateral and apical cortices of the germ cells of each male genetic background delineated by a dashed square in D. Arrows point to peaks of membrane marker fluorescence intensity bordering a minimum. (F) Proportion of germ cells showing rachis bridges with a diameter >0.8 µm (turquoise) or <0.8 µm (red) in wild-type and ani-2(−) animals at the adult stage, as measured by membrane marker distribution. The numbers in brackets represent the total number of germ cells analyzed. (G) Mid-section confocal images of the germlines of an ani-2(−) adult hermaphrodite (top) and an ani-2(−) adult male (bottom) expressing a membrane marker (red) and GFP::PGL-1 (green). Arrows point to multinucleated germ cells, whose number is significantly reduced in ani-2(−) males. (H) Mid-section confocal images of the gonads of wild-type (top) and ani-2(−) (bottom) adult hermaphrodites expressing a membrane marker (green) and mCherry::Histone H2B (red) and depleted of GLD-1 and GLD-2 by RNAi. Bars (A, B, D, G, and H), 10 µm.

A corrected version of Figure 7 is shown below. The HTML and PDF versions of this article have been corrected. The error remains only in the print version. Cytoplasmic streaming in the rachis may be responsible for germline disorganization in . (A) DIC images of the germlines of wild-type (left) and ani-2(−) (right) young adult animals. Some membrane partitions are outlined in red. The white arrow depicts the direction of cytoplasmic streaming. (B) DIC images (top) and schematic representations (bottom) of kymographs of cytoplasmic streaming in the gonads of animals depicted in A. Kymographs were made along the white line shown in A. The total duration of the movie is 45 min. (C) Average velocity of cytoplasmic streaming in the rachis of wild-type (black) and ani-2(−) (gray) animals. Error bars represent SD over 9 animals analyzed for each genotype. (D) Mid-section confocal images of a wild-type (top) and an ani-2(−) (bottom) male adult germline expressing a membrane marker (red) and GFP::PGL-1 (green). (E) Measured fluorescence intensities (in arbitrary units) for the membrane marker along the lateral and apical cortices of the germ cells of each male genetic background delineated by a dashed square in D. Arrows point to peaks of membrane marker fluorescence intensity bordering a minimum. (F) Proportion of germ cells showing rachis bridges with a diameter >0.8 µm (turquoise) or <0.8 µm (red) in wild-type and ani-2(−) animals at the adult stage, as measured by membrane marker distribution. The numbers in brackets represent the total number of germ cells analyzed. (G) Mid-section confocal images of the germlines of an ani-2(−) adult hermaphrodite (top) and an ani-2(−) adult male (bottom) expressing a membrane marker (red) and GFP::PGL-1 (green). Arrows point to multinucleated germ cells, whose number is significantly reduced in ani-2(−) males. (H) Mid-section confocal images of the gonads of wild-type (top) and ani-2(−) (bottom) adult hermaphrodites expressing a membrane marker (green) and mCherry::Histone H2B (red) and depleted of GLD-1 and GLD-2 by RNAi. Bars (A, B, D, G, and H), 10 µm.
  6 in total

1.  Binucleate germ cells in Caenorhabditis elegans are removed by physiological apoptosis.

Authors:  Stephan A Raiders; Michael D Eastwood; Meghan Bacher; James R Priess
Journal:  PLoS Genet       Date:  2018-07-19       Impact factor: 5.917

2.  Syncytial germline architecture is actively maintained by contraction of an internal actomyosin corset.

Authors:  Agarwal Priti; Hui Ting Ong; Yusuke Toyama; Anup Padmanabhan; Sabyasachi Dasgupta; Matej Krajnc; Ronen Zaidel-Bar
Journal:  Nat Commun       Date:  2018-11-08       Impact factor: 14.919

3.  AMPK regulates germline stem cell quiescence and integrity through an endogenous small RNA pathway.

Authors:  Pratik Kadekar; Richard Roy
Journal:  PLoS Biol       Date:  2019-06-05       Impact factor: 8.029

4.  Aurora B functions at the apical surface after specialized cytokinesis during morphogenesis in C. elegans.

Authors:  Xiaofei Bai; Michael Melesse; Christopher G Sorensen Turpin; Dillon E Sloan; Chin-Yi Chen; Wen-Cheng Wang; Po-Yi Lee; James R Simmons; Benjamin Nebenfuehr; Diana Mitchell; Lindsey R Klebanow; Nicholas Mattson; Eric Betzig; Bi-Chang Chen; Dhanya Cheerambathur; Joshua N Bembenek
Journal:  Development       Date:  2020-01-08       Impact factor: 6.868

5.  Poly-aneuploid cancer cells promote evolvability, generating lethal cancer.

Authors:  Kenneth J Pienta; Emma U Hammarlund; Robert Axelrod; Joel S Brown; Sarah R Amend
Journal:  Evol Appl       Date:  2020-02-22       Impact factor: 5.183

6.  Anillin regulates epithelial cell mechanics by structuring the medial-apical actomyosin network.

Authors:  Torey R Arnold; Joseph H Shawky; Rachel E Stephenson; Kayla M Dinshaw; Tomohito Higashi; Farah Huq; Lance A Davidson; Ann L Miller
Journal:  Elife       Date:  2019-01-31       Impact factor: 8.140

  6 in total

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