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The union or introduction of genetic information from compatible mating types that results in a genetically different individual. Conjugation requires direct cellular contact between the organisms. The regular alternation, in the life cycle of haplontic, diplontic and diplohaplontic organisms, of meiosis and fertilization which provides for the production offspring. In diplontic organisms there is a life cycle in which the products of meiosis behave directly as gametes, fusing to form a zygote from which the diploid, or sexually reproductive polyploid, adult organism will develop. In diplohaplontic organisms a haploid phase (gametophyte) exists in the life cycle between meiosis and fertilization (e.g. higher plants, many algae and Fungi); the products of meiosis are spores that develop as haploid individuals from which haploid gametes develop to form a diploid zygote; diplohaplontic organisms show an alternation of haploid and diploid generations. In haplontic organisms meiosis occurs in the zygote, giving rise to four haploid cells (e.g. many algae and protozoa), only the zygote is diploid and this may form a resistant spore, tiding organisms over hard times. A process, occurring at the cellular level, that is involved in the reproductive function of a single-celled organism. A process, occurring at the cellular level, that is involved in the reproductive function of a multicellular or single-celled organism. The chemical reactions and pathways resulting in the breakdown of macromolecules forming part of a cell wall that contribute to cytogamy. During conjugation with cellular fusion, the process resulting in creating a single cell from complementary mating types. The localized remodeling and dissolution of external protective structures allow the fusion of the plasma membranes and cytoplasmic mixing. An example of this process is found in Saccharomyces cerevisiae. The joining of two or more lipid bilayer membranes that surround cells, during cytogamy. A conjugation process that results in the union of cellular and genetic information from compatible mating types. An example of this process is found in Saccharomyces cerevisiae. The biological process in which new individuals are produced by one or two single-celled organisms. The new individuals inherit some proportion of their genetic material from the parent or parents.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: cytogamy
Acc: GO:0000755
Aspect: Biological Process
Desc: During conjugation with cellular fusion, the process resulting in creating a single cell from complementary mating types. The localized remodeling and dissolution of external protective structures allow the fusion of the plasma membranes and cytoplasmic mixing. An example of this process is found in Saccharomyces cerevisiae.
Synonyms:
  • GO:0000218
  • GO:0030462
  • zygote formation
Proteins in PDR annotated with:
   This term: 12 [Search]
   Term or descendants: 20 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0000755 - cytogamy (interactive image map)
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