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Keywords: Meiosis
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Journal Articles
J Cell Sci (2022) 135 (6): jcs259807.
Published: 23 March 2022
... oocytes, and that these F-actin structures deteriorate with advancing reproductive age. Oocyte Nuclear F-actin Meiosis Aneuploidy Chromosome segregation Infertility Confocal and Airyscan super-resolution images were acquired with a Zeiss LSM800 confocal microscope equipped with a 40× C...
Includes: Supplementary data
Journal Articles
J Cell Sci (2022) 135 (4): jcs259196.
Published: 22 February 2022
...Lauren G. Chukrallah; Aditi Badrinath; Gabrielle G. Vittor; Elizabeth M. Snyder ABSTRACT Male germ cells establish a unique heterochromatin domain, the XY-body, early in meiosis. How this domain is maintained through the end of meiosis and into post-meiotic germ cell differentiation is poorly...
Includes: Supplementary data
Journal Articles
J Cell Sci (2022) 135 (3): jcs259061.
Published: 7 February 2022
... clusters over ∼200 kb chromosomal regions. Here, we investigated LinE configurations and distributions in live cells using super-resolution fluorescence microscopy. We found LinEs form two chromosomal structures, dot-like and linear structures, in both zygotic and azygotic meiosis. Dot-like LinE structures...
Includes: Supplementary data
Journal Articles
J Cell Sci (2022) 135 (1): jcs259102.
Published: 10 January 2022
... kinetochores are separately positioned on opposite sides of sister centromeres during mitosis, but associate with each other during meiosis I. Kinetochore association facilitates the attachment of sister chromatids to the same pole, enabling the segregation of homologous chromosomes toward opposite poles...
Includes: Supplementary data
Journal Articles
J Cell Sci (2021) 134 (16): jcs253799.
Published: 23 August 2021
...Alberto Pineda-Santaella; Nazaret Fernández-Castillo; Alberto Jiménez-Martín; María del Carmen Macías-Cabeza; Ángela Sánchez-Gómez; Alfonso Fernández-Álvarez ABSTRACT Chromosome segregation in female meiosis in many metazoans is mediated by acentrosomal spindles, the existence of which implies...
Includes: Supplementary data
Journal Articles
In collection:
Cytoskeleton
J Cell Sci (2021) 134 (14): jcs254037.
Published: 23 July 2021
...Janet K. Jang; Amy C. Gladstein; Arunika Das; Joanatta G. Shapiro; Zachary L. Sisco; Kim S. McKim ABSTRACT Meiosis in female oocytes lacks centrosomes, the microtubule-organizing centers. In Drosophila oocytes, meiotic spindle assembly depends on the chromosomal passenger complex (CPC...
Includes: Supplementary data
Journal Articles
J Cell Sci (2021) 134 (10): jcs255745.
Published: 26 May 2021
... in studying liquid-liquid phase separation and biomolecular condensates . Cell 176 , 419 - 434 . 10.1016/j.cell.2018.12.035 Allers , T. and Lichten , M. ( 2001 ). Differential timing and control of noncrossover and crossover recombination during meiosis . Cell 106 , 47 - 57...
Journal Articles
J Cell Sci (2021) 134 (7): jcs258391.
Published: 15 April 2021
... and male sterility. Immunofluorescence and fluorescent in situ hybridization revealed that Ipo9 KO mutants display chromosome condensation and segregation defects during meiosis. In addition, Ipo9 KO mutant males form abnormally structured sperm and fail to properly exchange histones for protamines. Ipo9...
Includes: Supplementary data
Journal Articles
In collection:
Cytoskeleton
J Cell Sci (2021) 134 (3): jcs238543.
Published: 8 February 2021
...Xiangchuan Wang; Dandan Zhang; Cunni Zheng; Shian Wu; Michael Glotzer; Yu Chung Tse ABSTRACT Haploid male gametes are produced through meiosis during gametogenesis. Whereas the cell biology of mitosis and meiosis is well studied in the nematode Caenorhabditis elegans , comparatively little is known...
Includes: Supplementary data
Journal Articles
J Cell Sci (2020) 133 (23): jcs249128.
Published: 11 December 2020
... of temporal and spatial control of translation remains unclear. In oocytes, many mRNAs are deposited as a translationally repressed form and are translated at appropriate times to promote the progression of meiosis and development. Here, we show that changes in subcellular structures and states of the RNA...
Includes: Supplementary data
Journal Articles
J Cell Sci (2020) 133 (23): jcs248831.
Published: 4 December 2020
...Stephen R. Wellard; Karen Schindler; Philip W. Jordan ABSTRACT Precise control of chromosome dynamics during meiosis is critical for fertility. A gametocyte undergoing meiosis coordinates formation of the synaptonemal complex (SC) to promote efficient homologous chromosome recombination. Subsequent...
Includes: Supplementary data
Journal Articles
J Cell Sci (2020) 133 (22): jcs253724.
Published: 30 November 2020
... thermophila , the meiotic prophase nucleus stretches enormously, and chromosomes assume a bouquet-like arrangement in which telomeres and centromeres are attached to opposite poles of the nucleus. We have identified and characterized three meiosis-specific genes [meiotic nuclear elongation 1-3 ( MELG1-3...
Includes: Supplementary data
Journal Articles
J Cell Sci (2020) 133 (15): jcs243667.
Published: 12 August 2020
...Adél Sepsi; Trude Schwarzacher ABSTRACT During prophase I of meiosis, homologous chromosomes pair, synapse and exchange their genetic material through reciprocal homologous recombination, a phenomenon essential for faithful chromosome segregation. Partial sequence identity between non-homologous...
Journal Articles
J Cell Sci (2021) 134 (5): jcs245753.
Published: 30 June 2020
... to the vertebrate host. The life cycle of Plasmodium is characterised by two unique processes of mitosis and a single stage of meiosis. The first mitotic process occurs during schizogony within mammalian hepatocytes and erythrocytes, and during sporogony in oocysts in the mosquito ( Sinden, 1991a , b ) ( Fig...
Includes: Supplementary data
Journal Articles
J Cell Sci (2020) 133 (12): jcs242701.
Published: 16 June 2020
... mouse testes indicated that meiosis-associated mRNAs bound by LIN28A were differentially expressed. Next, ribosome profiling revealed that the mRNA levels of these targets were significantly reduced in the polysome fractions, and their protein expression levels decreased, in Lin28a -null mouse testes...
Includes: Supplementary data
Journal Articles
J Cell Sci (2020) 133 (11): jcs240234.
Published: 8 June 2020
... underwent the typical three phases of spindle elongation, they have distinct features. We found that the relative concentration of the kinesin-14 family protein Pkl1 is decreased in meiosis I compared to mitosis, while the concentration of the kinesin-5 family protein Cut7 remains constant. We identified...
Includes: Supplementary data
Journal Articles
J Cell Sci (2020) 133 (10): jcs238709.
Published: 22 May 2020
... by disruptions in chromosome segregation during meiosis I and II. Rec8 cohesin dynamics are altered in the absence of the TLSPs. These data suggest that the TLSPs contribute to multiple aspects of meiotic chromosome dynamics. * Present address: Division of Biology and Biological Engineering, California...
Includes: Supplementary data
Journal Articles
J Cell Sci (2019) 132 (18): jcs233379.
Published: 26 September 2019
...-depleted mouse oocytes progress normally through early meiosis I, but that anaphase I fails as a result of persistent Cdk1 activity. Unexpectedly, Cdk1 inactivation was compromised following Cep55 depletion, despite on-time SAC silencing and intact APC-mediated proteolysis. We found that impaired Cdk1...
Includes: Supplementary data
Journal Articles
J Cell Sci (2019) 132 (14): jcs232330.
Published: 18 July 2019
... during early anaphase I in oocytes. Summary: SUMO conjugation regulates dynamic protein localisation in the central spindle during female meiosis I in Caenorhabditis elegans . Meiosis Oocytes SUMO Chromosomes Segregation Spindle Faithful chromosome partitioning is essential...
Includes: Supplementary data
Journal Articles
In collection:
Metabolism
J Cell Sci (2019) 132 (8): jcs230649.
Published: 17 April 2019
... further found that ATP concentration is not necessarily an indicator of metabolic activity, as there is no clear correlation between ATP level and growth rates. During fission yeast meiosis, we found a reduction in ATP levels, suggesting that ATP homeostasis is controlled by differentiation. The use...
Includes: Supplementary data