adventitious root nodule

Term Information

Accession
PO:0000040
Aspect
plant anatomy
Synonyms
related: stem primordium
exact: nódulo de la raíz adventicia (Spanish)
exact: 不定根根粒 (Japanese)
Definition
Enlargement or swelling at position of dormant adventitious root primordium (on the stem), inhabited by nitrogen-fixing bacteria. [source: TAIR:Katica_Ilic]
Comment
Unlike the root nodules, these contain functioning chloroplasts in the nodule cortex and are therefore capable of carbon fixation. Note: stem nodule is commonly used term for this structure, although the nodules are formed at positions of dormant adventitious root primordia.

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External References

closePO_GIT (1)

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