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bacteroid

Syllabification: bac·te·roid
Pronunciation: /ˈbaktəˌroid
 
/

Definition of bacteroid in English:

adjective

Of the nature of or resembling a bacterium.
Example sentences
  • At that time, nodule plant fraction and bacteroid soluble protein contents did not show any significant effect by ABA, whilst the latter only declined by day 9.
  • Cytosolic PEP carboxylase in nodules catalyses the conversion of PEP and HCO - 3 (in equilibrium with CO 2) into oxaloacetate, which is used for the bacteroid respiration during nitrogen fixation.

noun

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A bacteroid organism or structure, especially a modified cell formed by a symbiotic bacterium in a root nodule of a leguminous plant.
Example sentences
  • Ammonia is exported from the bacteroids into the plant cell cytosol where it is assimilated, and directed to the synthesis of amino acids and/or ureides for subsequent export from the nodule.
  • One mechanism that may increase benefits to relatives is found in strains whose bacteroids convert plant metabolites to rhizopines-compounds that cannot be re-assimilated by the plant nor used by unrelated soil bacteria.
  • Nodule cortex cells that contain ineffective bacteroids might undergo programmed cell death, although we are unaware of any evidence suggesting that such mechanisms exist.

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