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The joining of 2 or more lipid bilayer membranes that surround the nucleus during the creation of a single nucleus from multiple nuclei. A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of the nucleus. The merging of the polar nuclei, the two nuclei contained within the same cell that are created from the mitotic division of the megaspore during angiosperm reproduction. Polar nuclear fusion takes place in the ovule, forming in the fusion nucleus and giving rise to the endosperm when fertilized. During sexual reproduction, the creation of a single nucleus from multiple nuclei as a result of fusing the lipid bilayers that surround each nuclei. This occurs after the mutual exchange of nuclei. A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of an organelle within a cell. An organelle is an organized structure of distinctive morphology and function. Includes the nucleus, mitochondria, plastids, vacuoles, vesicles, ribosomes and the cytoskeleton. Excludes the plasma membrane. The creation of a single nucleus from multiple nuclei as a result of fusing the lipid bilayers that surround each nuclei. During sexual reproduction, the creation of a single nucleus from multiple nuclei as a result of fusing the lipid bilayers that surround each nuclei. This occurs after cytogamy. The creation of a single organelle from two or more organelles. The merging of two pronuclei in a fertilized egg to fuse and produce a single zygotic genome. Any process that modulates the frequency, rate or extent of karyogamy, the creation of a single nucleus from multiple nuclei as a result of membrane fusion.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: karyogamy
Acc: GO:0000741
Aspect: Biological Process
Desc: The creation of a single nucleus from multiple nuclei as a result of fusing the lipid bilayers that surround each nuclei.
Synonyms:
  • nuclear fusion
  • GO:0007335
  • nuclear fusion during karyogamy
Proteins in PDR annotated with:
   This term: 5 [Search]
   Term or descendants: 73 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0000741 - karyogamy (interactive image map)
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