Examples of 'heterochromatin' in a sentence
Meaning of "heterochromatin"
Heterochromatin refers to the tightly packed form of DNA in a cell, which is not actively being transcribed. It plays a role in gene regulation and chromosomal structure
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- Heterochromatic tightly coiled chromosome material; believed to be genetically inactive
How to use "heterochromatin" in a sentence
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heterochromatin
Heterochromatin in development of normal and infected cells.
Chromocenter is an aggregate of heterochromatin from different chromosomes.
Heterochromatin can be classed as either constitutive or facultative.
Further compaction leads to transcriptionally inactive heterochromatin.
After all heterochromatin becomes degraded in cytoplasm.
This is based on an expansion of facultative heterochromatin boundaries in sporozoites.
Heterochromatin structure is also implicated in gene expression.
Silenced than if a gene is distal to heterochromatin.
Heterochromatin can help influence its expression.
Regions of constitutive heterochromatin adjacent to the two NORs were detected.
Heterochromatin is usually localized to the periphery of the nucleus.
Mammalian species differ considerably in heterochromatin content and location.
Heterochromatin stains darker than euchromatin.
The regions that stain darker are regions of constitutive heterochromatin.
The role of heterochromatin in centromere function.
See also
The ncRNA participate inthe establishment and maintenance of pericentromeric heterochromatin.
Two patterns of heterochromatin distribution were found.
We constructed phylogenetic trees of repeats to estimate their divergence in euchromatin and heterochromatin.
Heterochromatin is considered transcriptionally inactive.
This results in a solid knot of heterochromatin localized to one side of the nucleus.
Heterochromatin apparently does not play any role in determining pairing preferences.
Random integration in the proximity of heterochromatin results in variable levels of transgene expression.
Heterochromatin appears to be involved in controlling the transcript ability of the genome.
This reaction is indicative of a protein complex specific to the heterochromatin of these regions.
Regulation of heterochromatin by the retinoblastoma protein in cell cycle control and cancer.
These result from changes in the amount and distribution of constitutive heterochromatin.
That heterochromatin spreading would mean that the whole genome would end up being.
We have shown that nicotinamide derepresses heterochromatin at all three silent loci in yeast.
Polycomb group proteins are epigenetic modifiers initiating chromatin remodeling and gene repression at facultative heterochromatin.
Barrier insulators prevent the spread of heterochromatin from a silenced gene to an actively transcribed gene.
This DNA accounts for a major part of the centromeric heterochromatin.
This work has addressed the organization of heterochromatin in preimplantation embryos from three angles.
DNA in the telomeric and centromeric regions belong to the constitutive heterochromatin.
Late replicating knob heterochromatin might have been responsible for the chromosome breakage events.
Variations in the centromere index and the banding pattern in heterochromatin were also discussed.
The association of heterochromatin with DNA methylation is possibly due to nearby histone methylation.
The second chromosomal abnormality is called heterochromatin repulsion HR.
Repeat-rich heterochromatin is suppressed for COs.
The chromosomes of Tribolium confusum have conspicuous bulks of pericentromeric constitutive heterochromatin.
Both the NOR pattern and constitutive heterochromatin pattern are species specific.
HETCHROMPROJECT researchers also investigated the role of novel proteins involved in heterochromatin regulation.
Way, the heterochromatin found at the centromere can spread out to sometimes.
It is smaller than the Z and is the only chromosome with noncentromeric constitutive heterochromatin.
Euchromatin and Heterochromatin.
Species of the Chironomus plumosus group display significant differences in their amount of centromeric heterochromatin.
Negative influences that act by heterochromatin formation e . g.
Our FISH results indicate that highly repetitive DNA hybridizes almost exclusively with heterochromatin.
In the latter case, axial equalization of the heterochromatin polymorphism was also achieved.
This band probably corresponds to centromere-associated constitutive heterochromatin.
The piwi-piRNA pathway also induces heterochromatin formation at centromeres, thus affecting transcription.
