Results 141 to 150 of about 92,899 (342)

PBRM1 directs PBAF to pericentromeres and protects centromere integrity

open access: yesNature Communications
The specialised structure of the centromere is critical for effective chromosome segregation, but its repetitive nature makes it vulnerable to rearrangements.
Karen A. Lane   +12 more
doaj   +1 more source

Centromere evolution and CpG methylation during vertebrate speciation

open access: yesNature Communications, 2017
Centromeres and large-scale structural variants evolve and contribute to genome diversity during vertebrate speciation. Here, we perform de novo long-read genome assembly of three inbred medaka strains that are derived from geographically isolated ...
Kazuki Ichikawa   +11 more
semanticscholar   +1 more source

Video_2_Only the Rye Derived Part of the 1BL/1RS Hybrid Centromere Incorporates CENH3 of Wheat.MP4

open access: yes, 2021
The precise assembly of the kinetochore complex at the centromere is epigenetically determined by substituting histone H3 with the centromere-specific histone H3 variant CENH3 in centromeric nucleosomes.
Veit Schubert (254739)   +2 more
core   +1 more source

Assessing a Model for a Complex Systemic Disorder—The Value of Male Mice With a Supernumerary X Chromosome for Klinefelter Syndrome Research

open access: yesAndrology, EarlyView.
ABSTRACT Introduction Direct experimental investigation of Klinefelter syndrome (KS) in patients is limited because the syndrome manifests heterogeneously and affects multiple organ systems. Studying KS therefore requires a model that captures this complexity as accurately as possible while still permitting controlled experimental manipulation ...
Fariba Saadati, Joachim Wistuba
wiley   +1 more source

Stable centromere positioning in diverse sequence contexts of complex and satellite centromeres of maize and wild relatives

open access: yesGenome Biology, 2017
Paradoxically, centromeres are known both for their characteristic repeat sequences (satellite DNA) and for being epigenetically defined. Maize (Zea mays mays) is an attractive model for studying centromere positioning because many of its large (~2 Mb ...
J. Gent, Na Wang, R. Dawe
semanticscholar   +1 more source

A CCNA1 Missense Variant Associated With Chromatid Non‐Disjunction in Abnormal‐Headed Sperm and Male Infertility

open access: yesAndrology, EarlyView.
ABSTRACT Background Macrozoospermia is a rare form of teratozoospermia characterized by tetraploids, large‐headed spermatozoa with multiple flagella, usually caused by bi‐allelic AURKC mutations. The etiology of atypical phenotypes with a lower proportion of large headed spermatozoa and single flagella however often remains unresolved.
Aurore Perrin   +14 more
wiley   +1 more source

A Centromere Attribute Integration Approach to Centromere Identification

open access: yes, 1996
Automated and nonautomated approaches to chromosome classification involves assessing several chromosome attributes. The centromere is an important attribute which provides insight to other features such as chromosome orientation and the banding pattern ...
Gader, Paul D.   +3 more
core   +1 more source

Diffuse Skin Sclerosis in a Patient With Lung Cancer

open access: yes
JEADV Clinical Practice, EarlyView.
Anna‐Sophia Leven   +2 more
wiley   +1 more source

Differential Sperm DNA Methylation Profiles in Healthy Men With High Versus Low Adherence to the Mediterranean Diet in the Led‐Fertyl Study

open access: yesAndrology, EarlyView.
ABSTRACT Background Diet is known to play an essential role not only in sperm quality but also in offspring health, likely mediated through the sperm epigenome. Moreover, one of the main components of the Mediterranean diet (MedDiet) (i.e., nuts) have shown to impact sperm DNA methylation patterns.
Rashmi Agarwal   +10 more
wiley   +1 more source

Reconstruction of the kinetochore: a prelude to meiosis

open access: yesCell Division, 2007
In eukaryotic organisms, chromosomes are spatially organized within the nucleus. Such nuclear architecture provides a physical framework for the genetic activities of chromosomes, and changes its functional organization as the cell moves through the ...
Haraguchi Tokuko   +2 more
doaj   +1 more source

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