Arum type
Encyclopedia
Arum-type refers to the morphology
of fungal hyphae living in, or around plant root cells.
This is a type of mycorrhizal infection whereby the fungus
in question invaginates the cell membrane of a plant cell
, and branches in arbuscular manner.
Arum-type growth of hyphae is used in endomycorrhizal symbiosis
with a plant
.
Morphology (biology)
In biology, morphology is a branch of bioscience dealing with the study of the form and structure of organisms and their specific structural features....
of fungal hyphae living in, or around plant root cells.
- Forms in arbuscularArbuscular mycorrhizaAn arbuscular mycorrhiza is a type of mycorrhiza in which the fungus penetrates the cortical cells of the roots of a vascular plant....
or tree-like fashion, branching off dichotomously at predetermined junctions.
This is a type of mycorrhizal infection whereby the fungus
Fungus
A fungus is a member of a large group of eukaryotic organisms that includes microorganisms such as yeasts and molds , as well as the more familiar mushrooms. These organisms are classified as a kingdom, Fungi, which is separate from plants, animals, and bacteria...
in question invaginates the cell membrane of a plant cell
Plant cell
Plant cells are eukaryotic cells that differ in several key respects from the cells of other eukaryotic organisms. Their distinctive features include:...
, and branches in arbuscular manner.
Arum-type growth of hyphae is used in endomycorrhizal symbiosis
Symbiosis
Symbiosis is close and often long-term interaction between different biological species. In 1877 Bennett used the word symbiosis to describe the mutualistic relationship in lichens...
with a plant
Plant
Plants are living organisms belonging to the kingdom Plantae. Precise definitions of the kingdom vary, but as the term is used here, plants include familiar organisms such as trees, flowers, herbs, bushes, grasses, vines, ferns, mosses, and green algae. The group is also called green plants or...
.
- Often, but not always, accompanied by intercellular hyphal growth.