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Any process by which an organism has an effect on an organism of a different species. The process by which the anatomical structures of the nodule are generated and organized. Morphogenesis pertains to the creation of form. The formation of nitrogen-fixing root nodules on plant roots. An interaction between two organisms living together in more or less intimate association. The term host is usually used for the larger (macro) of the two members of a symbiosis. The smaller (micro) member is called the symbiont organism. Microscopic symbionts are often referred to as endosymbionts. The various forms of symbiosis include parasitism, in which the association is disadvantageous or destructive to one of the organisms; mutualism, in which the association is advantageous, or often necessary to one or both and not harmful to either; and commensalism, in which one member of the association benefits while the other is not affected. However, mutualism, parasitism, and commensalism are often not discrete categories of interactions and should rather be perceived as a continuum of interaction ranging from parasitism to mutualism. In fact, the direction of a symbiotic interaction can change during the lifetime of the symbionts due to developmental changes as well as changes in the biotic/abiotic environment in which the interaction occurs.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: nodulation
Acc: GO:0009877
Aspect: Biological Process
Desc: The formation of nitrogen-fixing root nodules on plant roots.
Proteins in PDR annotated with:
   This term: 65 [Search]
   Term or descendants: 65 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0009877 - nodulation (interactive image map)
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