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A biological process that directly contributes to the process of producing new individuals by one or two organisms. The new individuals inherit some proportion of their genetic material from the parent or parents. The replacement, within chromatin, of resident histones or histone subunits with alternative, sometimes variant, histones or subunits. Any process that is carried out at the cellular level, but not necessarily restricted to a single cell. For example, cell communication occurs among more than one cell, but occurs at the cellular level. Unwinding of the condensed nuclear chromatin of an inactive sperm nucleus. A process, occurring at the cellular level, that is involved in the reproductive function of a multicellular or single-celled organism. Dynamic structural changes to eukaryotic chromatin that require energy from the hydrolysis of ATP, ranging from local changes necessary for transcriptional regulation to global changes necessary for chromosome segregation, mediated by ATP-dependent chromatin-remodelling factors. Replacement of sperm-specific chromosomal proteins with somatic histones, to allow the paternal genome to acquire a nucleosomal chromatin organization compatible with nuclear activity. Any process that results in the specification, formation or maintenance of the physical structure of eukaryotic chromatin. A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of one or more nucleosomes. The conversion at fertilization of the inactive sperm nucleus into a male pronucleus with its chromosomes processed for the first zygotic division.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: fertilization, exchange of chromosomal proteins
Acc: GO:0035042
Aspect: Biological Process
Desc: Replacement of sperm-specific chromosomal proteins with somatic histones, to allow the paternal genome to acquire a nucleosomal chromatin organization compatible with nuclear activity.
Synonyms:
  • sperm-specific histone exchange
  • sperm-specific histone replacement
Proteins in PDR annotated with:
   This term: 4 [Search]
   Term or descendants: 4 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0035042 - fertilization, exchange of chromosomal proteins (interactive image map)
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