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Proteomic analysis of wanxi white goose testicles in different reproductive stages by data-independent acquisition (DIA) strategy.
Theriogenology
December 2024
College of Animal Science and Technology, Jilin Agricultural University, Changchun, 130118, China; Key Laboratory for Animal Production, Product Quality and Safety of Ministry of Education, Changchun, 130118, China. Electronic address:
Wanxi white goose is an important male parent in crossbreeding of Chinese geese, but its short reproductive cycle restricts its application in Northeast China. Therefore, understanding the potential mechanism of breeding period regulation in Wanxi white goose will help to provide more options for crossbreeding. In this study, the reproductive period was divided into prophase (T1), metaphase (T2) and anaphase (T3) according to the laying rhythm of geese.
View Article and Find Full Text PDFA phosphate-binding pocket in cyclin B3 is essential for XErp1/Emi2 degradation in meiosis I.
EMBO Rep
January 2025
Department of Biology, University of Konstanz, 78457, Konstanz, Germany.
To ensure the correct euploid state of embryos, it is essential that vertebrate oocytes await fertilization arrested at metaphase of meiosis II. This MII arrest is mediated by XErp1/Emi2, which inhibits the ubiquitin ligase APC/C (anaphase-promoting complex/cyclosome). Cyclin B3 in complex with Cdk1 (cyclin-dependent kinase 1) is essential to prevent an untimely arrest of vertebrate oocytes in meiosis I by targeting XErp1/Emi2 for degradation.
View Article and Find Full Text PDFDelineation of the Genetic Architecture and Clinical Polymorphism of 3q29 Duplication Syndrome: A Review of the Literature and a Report of Two Novel Patients With Single-Gene BDH1 Duplications.
Mol Genet Genomic Med
January 2025
Laboratory of Ontogenetics, Research Institute of Medical Genetics, Tomsk National Research Medical Center of the Russian Academy of Sciences, Tomsk, Russia.
Background: Chromosome 3q29 duplication syndrome is a rare chromosomal disorder with a frequency of 1:5000 in patients with a neurodevelopmental phenotype. The syndrome is characterized by phenotypic polymorphism and reduced penetrance.
Methods: Patients were investigated by performing a cytogenetic analysis of GTG-banded metaphases, aCGH with the SurePrint G3 Human CGH Microarray 8×60K, qPCR, FISH, and WES.
CENP-E haploinsufficiency causes chromosome misalignment and spindle assembly checkpoint activation in the spermatogonia.
Andrology
December 2024
Department of Cell Biology and Genetics, The School of Basic Medical Sciences, Fujian Medical University, Fuzhou, Fujian, China.
Background: The establishment of kinetochore-microtubule attachment is essential for error-free chromosome alignment and segregation during cell division. Defects in chromosome alignment result in chromosome instability, birth defects, and infertility. Kinesin-7 CENP-E mediates kinetochore-microtubule capture, chromosome alignment, and spindle assembly checkpoint in somatic cells, however, mechanisms of CENP-E in germ cells remain poorly understood.
View Article and Find Full Text PDFOogenesis involves a novel nuclear envelop remodeling mechanism in Schmidtea mediterranea.
Dev Biol
December 2024
Stowers Institute for Medical Research, Kansas City, Missouri 64110, USA; Howard Hughes Medical Institute, Stowers Institute for Medical Research, Kansas City, Missouri 64110, USA. Electronic address:
The cell nuclei of Ophisthokonts, the eukaryotic supergroup defined by fungi and metazoans, is remarkable in the constancy of their double-membraned structure in both somatic and germ cells. Such remarkable structural conservation underscores common and ancient evolutionary origins. Yet, the dynamics of disassembly and reassembly displayed by Ophisthokont nuclei vary extensively.
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