The covalent transfer of a methyl group to either N-6 of adenine or C-5 or N-4 of cytosine.

Any process that results in the specification, formation or maintenance of the physical structure of eukaryotic chromatin.

Any process that results in the specification, formation or maintenance of the physical structure of eukaryotic chromatin.

Any process that results in the specification, formation or maintenance of the physical structure of eukaryotic chromatin.

Repression of transcription by altering the structure of chromatin, e.g. by conversion of large regions of DNA into an inaccessible state often called heterochromatin.

Repression of transcription of telomeric DNA by altering the structure of chromatin.

Repression of transcription of telomeric DNA by altering the structure of chromatin.

Any process carried out at the cellular level that results in either long-term transcriptional repression via action on chromatin structure or RNA mediated, post-transcriptional repression of gene expression.

Any process carried out at the cellular level that results in either long-term transcriptional repression via action on chromatin structure or RNA mediated, post-transcriptional repression of gene expression.

The covalent alteration of one or more amino acid residues within a histone protein.

The modification of histones by addition of methyl groups.

The modification of histones by addition of methyl groups.

The modification of histones by addition of methyl groups.

Repression of transcription of centromeric DNA by altering the structure of chromatin.

Repression of transcription of centromeric DNA by altering the structure of chromatin.

The assembly of chromatin into heterochromatin, a compact and highly condensed form that is often, but not always, transcriptionally silent.

The self-renewing division of a germline stem cell in the female gonad, to produce a daughter stem cell and a daughter germ cell, which will divide to form the female gametes.

The complete process of formation and maturation of an ovum or female gamete from a primordial female germ cell. Examples of this process are found in Mus musculus and Drosophila melanogaster.

The complete process of formation and maturation of an ovum or female gamete from a primordial female germ cell. Examples of this process are found in Mus musculus and Drosophila melanogaster.

A process that is carried out at the cellular level that results in the assembly, arrangement of constituent parts, or disassembly of chromosomes, structures composed of a very long molecule of DNA and associated proteins that carries hereditary information. This term covers covalent modifications at the molecular level as well as spatial relationships among the major components of a chromosome.

The modification of histone H3 by addition of one or more methyl groups to lysine at position 9 of the histone.

The modification of histone H3 by addition of one or more methyl groups to lysine at position 9 of the histone.

The modification of histone H3 by addition of one or more methyl groups to lysine at position 9 of the histone.

Any process that results in the specification, formation or maintenance of the physical structure of eukaryotic heterochromatin, a compact and highly condensed form of chromatin.

Any process that results in the specification, formation or maintenance of the physical structure of eukaryotic heterochromatin and contributes to chromatin silencing.

Any process that stops, prevents or reduces the frequency, rate or extent of response to gamma radiation.

The region of a chromosome that includes the centromeric DNA and associated proteins. In monocentric chromosomes, this region corresponds to a single area of the chromosome, whereas in holocentric chromosomes, it is evenly distributed along the chromosome.

A compact and highly condensed form of chromatin.

A compact and highly condensed form of chromatin.

A region at which the centric regions of polytene chromosomes are joined together.