Nonreplicative functions of the origin recognition complex

VV Popova, AV Brechalov, SG Georgieva… - Nucleus, 2018 - Taylor & Francis
Origin recognition complex (ORC), a heteromeric six-subunit complex, is the central
component of the eukaryotic pre-replication complex. Recent data from yeast, frogs, flies and …

GWAS of reproductive traits in Large White pigs on chip and imputed whole-genome sequencing data

X Wang, L Wang, L Shi, P Zhang, Y Li, M Li… - International Journal of …, 2022 - mdpi.com
Total number born (TNB), number of stillborn (NSB), and gestation length (GL) are
economically important traits in pig production, and disentangling the molecular …

ORC proteins in the mammalian zygote

MA Ortega, H Nguyen, WS Ward - Cell and tissue research, 2016 - Springer
The origin recognition complex (ORC) proteins, ORC1-6, are the first known proteins that
bind DNA replication origins to mark the competency for the initiation of DNA synthesis …

Evaluate the developmental competence of human 8-cell embryos by single-cell RNA sequencing

W Wang, M Zhao, H Zuo, J Zhang, B Liu… - Reproduction and …, 2023 - raf.bioscientifica.com
Graphical Abstract Abstract The transition of maternal to zygotic gene expression regulation
is critical for human preimplantation embryo development. In recent years, single-cell RNA …

Journey of oocyte from metaphase‐I to metaphase‐II stage in mammals

A Sharma, M Tiwari, A Gupta… - Journal of Cellular …, 2018 - Wiley Online Library
In mammals, journey from metaphase‐I (M‐I) to metaphase‐II (M‐II) is important since
oocyte extrude first polar body (PB‐I) and gets converted into haploid gamete. The …

Deletion of Orc4 during oogenesis severely reduces polar body extrusion and blocks zygotic DNA replication

H Nguyen, H Wu, A Ung, Y Yamazaki… - Biology of …, 2022 - academic.oup.com
Origin recognition complex subunit 4 (ORC4) is a DNA-binding protein required for DNA
replication. During oocyte maturation, after the last oocyte DNA replication step and before …

A lack of coordination between sister-chromatids segregation and cytokinesis in the oocytes of B6.YTIR (XY) sex-reversed female mice

JQ Zhu, SL Tan, T Taketo - Scientific Reports, 2017 - nature.com
Abstract The B6. YTIR (XY) mouse develops bilateral ovaries despite the expression of the
testis-determining gene Sry during gonadal differentiation. We reported that the oocytes of …

The role of ORC4 in enucleation of murine erythroleukemia (MEL) cells is similar to that in oocyte polar body extrusion

H Nguyen, A Ung, WS Ward - Systems biology in reproductive …, 2020 - Taylor & Francis
ABSTRACT The Origin Replication Complex subunit 4 (ORC4) is one in six subunits of the
Origin Replication Complexes (ORCs) which is essential for initiating licensing at DNA …

Higher order oligomerization of the licensing ORC4 protein is required for polar body extrusion in murine meiosis

H Nguyen, NG James, L Nguyen… - Journal of cellular …, 2017 - Wiley Online Library
We have previously shown that the DNA replication licensing factor ORC4 forms a cage
around the chromosomes that are extruded in both polar bodies during murine oogenesis …

Transcriptome analysis of in vitro fertilization and parthenogenesis activation during early embryonic development in pigs

X Li, C Zou, M Li, C Fang, K Li, Z Liu, C Li - Genes, 2021 - mdpi.com
Parthenogenesis activation (PA), as an important artificial breeding method, can stably
preserve the dominant genotype of a species. However, the delayed development of PA …