Results 41 to 50 of about 36,504 (227)

More Than DNA Methylation: Does Pleiotropy Drive the Complex Pattern of Evolution of Dnmt1?

Frontiers in Ecology and Evolution, 2020
DNA methylation is an important chromatin modification that can stably alter gene expression in cells and maintain genome integrity in plants and vertebrates.
Ashley U. Amukamara, Joshua T. Washington, Zachary Sanchez, Elizabeth C. McKinney, Allen J. Moore, Robert J. Schmitz, Patricia J. Moore   +6 more
doaj   +1 more source

Extracellular Vesicles in Human Oogenesis and Implantation

International Journal of Molecular Sciences, 2019
Reproduction, the ability to generate offspring, represents one of the most important biological processes, being essential for the conservation of the species. In mammals, it involves different cell types, tissues and organs, which, by several signaling
F. Andronico, R. Battaglia, M. Ragusa, D. Barbagallo, M. Purrello, C. Di Pietro   +5 more
semanticscholar   +1 more source

ATZ‐1 promotes DNA replication efficiency to maintain normal meiotic function

FEBS Open Bio, EarlyView.
Absence of ATZ‐1 interferes with meiotic DNA replication and cell cycle function via CHK‐1. This causes downstream defects associated with DNA damage and genomic integrity. Taken together, this study suggests that ATZ‐1 influences DNA replication efficiency and cell cycle function to maintain normal meiotic function.
Taylin E. Gourley, Luke W. Molesworth, Nethma H. Waduge, Fahimeh Eskandari, Peter R. Boag, Gregory M. Davis   +5 more
wiley   +1 more source

Histological Investigation of the Female Gonads of Chiropsalmus quadrumanus (Cubozoa: Cnidaria) Suggests Iteroparous Reproduction

Diversity, 2023
The box jellyfish Chiropsalmus quadrumanus (Chirodropida: Cubozoa: Cnidaria) is common in warm waters. Although it is assumed that external fertilization is a characteristic of Chirodropida, the life history of C.
Jimena García-Rodríguez, Cheryl Lewis Ames, Adrian Jaimes-Becerra, Gisele Rodrigues Tiseo, André Carrara Morandini, Amanda Ferreira Cunha, Antonio Carlos Marques   +6 more
doaj   +1 more source

A ribosomal protein S5 isoform is essential for oogenesis and interacts with distinct RNAs in Drosophila melanogaster

Scientific Reports, 2019
In Drosophila melanogaster there are two genes encoding ribosomal protein S5, RpS5a and RpS5b. Here, we demonstrate that RpS5b is required for oogenesis.
Jian Kong, Hong Han, Julie Bergalet, L. Bouvrette, G. Hernández, N. Moon, H. Vali, E. Lécuyer, P. Lasko   +8 more
semanticscholar   +1 more source

eEF1G Orchestrates Translation to Ensure Meiotic Progression in Transcriptionally Quiescent Spermatocytes

Advanced Science, EarlyView.
eEF1G supports translation elongation of meiotic mRNAs in transcriptionally quiescent leptotene and zygotene spermatocytes. Its depletion in germ cells causes meiotic arrest at the zygotene stage, with defective homologous synapsis and unstable recombination intermediates.
Jianze Xu, Yuwei Hu, Xukun Lu, Yuling Cai, Tongtong Li, Ming Gao, Jinlong Ma, Yuan Gao, Shangming Liu, Zi‐Jiang Chen, Jing Meng, Hongbin Liu, Xiaohua Jiang   +12 more
wiley   +1 more source

Loss of Drosophila E3 Ubiquitin Ligase Hyd Promotes Extra Mitosis in Germline Cysts and Massive Cell Death During Oogenesis

Frontiers in Cell and Developmental Biology, 2020
The Drosophila hyperplastic disc (hyd) gene is the ortholog of mammalian tumor suppressor EDD, which is implicated in a wide variety of cellular processes, and its regulation is impaired in various tumors.
Natalia V. Dorogova, Yuliya A. Galimova, Elena Us. Bolobolova, Elina M. Baricheva, Svetlana A. Fedorova   +4 more
doaj   +1 more source

MiR-202 controls female fecundity by regulating medaka oogenesis

PLoS Genetics, 2018
Female gamete production relies on coordinated molecular and cellular processes that occur in the ovary throughout oogenesis. In fish, as in other vertebrates, these processes have been extensively studied both in terms of endocrine/paracrine regulation ...
Stéphanie Gay, J. Bugeon, A. Bouchareb, Laurenson-Schafer Henry, Clara Delahaye, F. Legeai, J. Montfort, A. Le Cam, A. Siegel, J. Bobe, Violette Thermes   +10 more
semanticscholar   +1 more source

Functional Sex Reversal in Adult Gonochoristic Teleosts is Mediated by Ovarian Germline Stem Cell Plasticity and Somatic Cell Transdifferentiation

Advanced Science, EarlyView.
Oocytes play crucial roles in maintaining ovarian fate in adult gonochoristic fish. Targeted oocyte ablation with aromatase inhibition triggers the activation of surviving germline stem cells and the transdifferentiation of somatic cells from granoulosa/theca to Sertoli/Leydig lineages, inducing a complete and functional female‐to‐male sex reversal ...
Yang Yang, Liechao Yu, Wanchang Zhang, Gary Wessel, Ruiyi Chen, Weihua Hu, Dongdong Xu   +6 more
wiley   +1 more source

Chronic Stress Detrimentally Affects In Vivo Maturation in Rat Oocytes and Oocyte Viability at All Phases of the Estrous Cycle

Animals, 2021
Background: Stress has been considered as one of the causes of decreased reproductive function in women. However, direct evidence of the effect of chronic stress on oocytes depending on estrous cycle phases is limited.
Fahiel Casillas, Miguel Betancourt, Lizbeth Juárez-Rojas, Yvonne Ducolomb, Alma López, Alejandra Ávila-Quintero, Jimena Zamora, Mohammad Mehdi Ommati, Socorro Retana-Márquez   +8 more
doaj   +1 more source