Results 111 to 120 of about 75,723 (273)

Navigating heterochromatin

, 2003
The condensed structure of heterochromatin differs significantly from euchromatin and DNA bound in heterochromatin is generally not transcriptionally active. Transcriptional silencing allows the control of gene expression and affords a novel mechanism of
Fuerst, Peter
core   +1 more source

Hydroxamic Acids as HDAC Inhibitor Drug Leads for Malaria

Medicinal Research Reviews, EarlyView.
ABSTRACT Malaria is a global health threat, with an estimated 282 million cases and 610,000 malaria‐associated deaths reported in 2024. Most mortality is due to infection by Plasmodium falciparum parasites, with the highest burden occurring in Sub‐Saharan Africa.
Wisam A. Dawood, Jacinta R. Macdonald, Christian Anzenhofer, Tina S. Skinner‐Adams, Robert C. Reid, Thomas Kurz, David P. Fairlie, Katherine T. Andrews   +7 more
wiley   +1 more source

Speciation with gene flow

PLANTS, PEOPLE, PLANET, EarlyView.
Biodiversity is threatened by human activities, with extinction debt accumulating rapidly. Many of these activities change the connectivity of populations, fragmenting existing population systems or bringing previously isolated populations or species into contact.
Zhiqin Long, Xu Zhang, Yue Yu, Gregory L. Owens, Diana J. Rennison, Clarisse Palma‐Silva, Daniel Ortiz‐Barrientos, Loren H. Rieseberg   +7 more
wiley   +1 more source

Histone variant H2A.W7 represses meiotic crossover formation in Arabidopsis heterochromatin

In eukaryotic genomes, DNA is packaged into nucleosomes to form chromatin. The incorporation of canonical or variant histones into nucleosomes confers different properties and influences chromatin structure to regulate cellular processes, including ...
Zhong, Z., Henderson, I. R., Lambing, C., Liu, X., Topp, S. D., Kuo, P., Tock, A. J.   +6 more
core   +1 more source

Rotenone Induces Morphological Damage and Reduction in Catecholamine Levels in the Central Nervous System of the Ascidian Styela plicata

Environmental Toxicology, EarlyView.
ABSTRACT Ascidians are invertebrates that occupy a key phylogenetic position as a sister group of the vertebrates. The organization of their central nervous system (CNS), with cortex and medulla, indicates a plesiomorphic character of the gray and white matter of vertebrates, making this group of animals useful for studies of neurodegenerative events ...
Andressa de Abreu Mello, Carlos Augusto Borges de Andrade Gomes, Rafaela Rocha dos Santos, Cintia Monteiro de Barros, Silvana Allodi   +4 more
wiley   +1 more source

Karyotypes and heterochromatin variation (C-bands) in Melipona species (Hymenoptera, Apidae, Meliponinae)

Genetics and Molecular Biology, 1998
We describe the karyotypes of eight bee species of the genus Melipona and compare them in terms of heterochromatin content and location (C-banding technique).
Marla Piumbini Rocha, Silvia das Graças Pompolo   +1 more
doaj   +1 more source

Staging concept for aging management: Definition, mechanism, and coping strategies

VIEW, EarlyView.
We divided the overall aging stage into “pre‐aging”, “aging compensation”, and “aging disability”. For each stage, we delineate the clinical presentations, biological phenomena, theoretical underpinnings, and key management priorities. Abstract Aging, as a gradual and largely irreversible biological process, characterized by declining organismal ...
Zhonghan Wang, Shixian Liu, Shangyu Du, Xiangran Cui, Bo Chao, Minglei Liu, Minfei Wu   +6 more
wiley   +1 more source

CFDP1 regulates the stability of pericentric heterochromatin thereby affecting RAN GTPase activity and mitotic spindle formation.

PLoS Biology
The densely packed centromeric heterochromatin at minor and major satellites is comprised of H3K9me2/3 histones, the heterochromatin protein HP1α, and histone variants.
Gokul Gopinathan, Qian Xu, Xianghong Luan, Thomas G H Diekwisch   +3 more
doaj   +1 more source

Chromodomain Helicase DNA–Binding Proteins and Spermatogenesis: Current Advances

Andrology, EarlyView.
ABSTRACT Background Male infertility is a prevalent clinical condition, with approximately one‐third of cases classified as idiopathic, frequently stemming from impaired spermatogenesis because of dysregulated gene expression. Chromodomain helicase DNA‐binding (CHD) proteins are central chromatin remodelers that orchestrate this epigenetic regulation ...
Mingrui Zhang, Di Liu, Guoqiang Liu, Minggang Zhu, Feng Pan   +4 more
wiley   +1 more source

Fission yeast Caprin protein is required for efficient heterochromatin establishment.

PLoS Genetics
Heterochromatin is a key feature of eukaryotic genomes that serves important regulatory and structural roles in regions such as centromeres. In fission yeast, maintenance of existing heterochromatic domains relies on positive feedback loops involving ...
Haidao Zhang, Ekaterina Kapitonova, Adriana Orrego, Christos Spanos, Joanna Strachan, Elizabeth H Bayne   +5 more
doaj   +1 more source