Results 71 to 80 of about 1,130,741 (368)

The homologous recombination machinery modulates the formation of RNA–DNA hybrids and associated chromosome instability

open access: yeseLife, 2013
Genome instability in yeast and mammals is caused by RNA–DNA hybrids that form as a result of defects in different aspects of RNA biogenesis. We report that in yeast mutants defective for transcription repression and RNA degradation, hybrid formation ...
Lamia Wahba, Steven K Gore, D. Koshland
semanticscholar   +1 more source

On the role of homologous sequences in chromosomal rearrangements. [PDF]

open access: yesGenes & Development, 1988
Deletions and other chromosomal rearrangements can be generated by recombination between repeated sequences. It has been shown in a number of systems that the probability of exchange or gene conversion decreases with increasing distance between repeats.
openaire   +2 more sources

Which one is the real matchmaker for the pair?

open access: yesAsian Journal of Andrology, 2014
A fundamental question for meiosis is how homologous chromosomes (homologs) find each other and pair together to ensure homologous recombination and segregation.
Chunsheng Han
doaj   +1 more source

Autophagy in cancer and protein conformational disorders

open access: yesFEBS Letters, EarlyView.
Autophagy plays a crucial role in numerous biological processes, including protein and organelle quality control, development, immunity, and metabolism. Hence, dysregulation or mutations in autophagy‐related genes have been implicated in a wide range of human diseases.
Sergio Attanasio
wiley   +1 more source

Rapid interphase and metaphase assessment of specific chromosomal changes in neuroectodermal tumor cells by in situ hybridization with chemically modified DNA probes [PDF]

open access: yes, 1988
Repeated DNAs from the constitutive heterochromatin of human chromosomes 1 and 18 were used as probes in nonradioactive in situ hybridization experiments to define specific numerical and structural chromosome aberrations in three human glioma cell lines ...
A.H.N. Hopman   +64 more
core   +1 more source

Affected homologous chromosome pairing and phosphorylation of testis specific histone, H2AX, in male meiosis under FKBP6 deficiency.

open access: yesJournal of reproduction and development, 2008
A gene for FK506 binding protein 6 (Fkbp6) expresses during a specific stage of male and female meiosis. Disruption of the gene influences male reproduction, i.e. arrests spermatogenesis, but not female reproduction.
J. Noguchi   +6 more
semanticscholar   +1 more source

B cell mechanobiology in health and disease: emerging techniques and insights into therapeutic responses

open access: yesFEBS Letters, EarlyView.
B cells sense external mechanical forces and convert them into biochemical signals through mechanotransduction. Understanding how malignant B cells respond to physical stimuli represents a groundbreaking area of research. This review examines the key mechano‐related molecules and pathways in B lymphocytes, highlights the most relevant techniques to ...
Marta Sampietro   +2 more
wiley   +1 more source

Meiotic chromosome pairing is promoted by telomere-led chromosome movements independent of bouquet formation. [PDF]

open access: yesPLoS Genetics, 2012
Chromosome pairing in meiotic prophase is a prerequisite for the high fidelity of chromosome segregation that haploidizes the genome prior to gamete formation. In the budding yeast Saccharomyces cerevisiae, as in most multicellular eukaryotes, homologous
Chih-Ying Lee   +2 more
doaj   +1 more source

Evolutionary interplay between viruses and R‐loops

open access: yesFEBS Letters, EarlyView.
Viruses interact with specialized nucleic acid structures called R‐loops to influence host transcription, epigenetic states, latency, and immune evasion. This Perspective examines the roles of R‐loops in viral replication, integration, and silencing, and how viruses co‐opt or avoid these structures.
Zsolt Karányi   +4 more
wiley   +1 more source

Multiplex DNA fluorescence in situ hybridization to analyze maternal vs. paternal C. elegans chromosomes

open access: yesGenome Biology
Recent advances in microscopy have enabled studying chromosome organization at the single-molecule level, yet little is known about inherited chromosome organization. Here we adapt single-molecule chromosome tracing to distinguish two C. elegans strains (
Silvia Gutnik   +4 more
doaj   +1 more source

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