bacteroid


Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.

bac·te·roid

 (băk′tə-roid′)
n.
Any of various bacteria, especially those of the genus Rhizobium, that carry out nitrogen fixation in the root nodules of leguminous plants and often change markedly in size and shape after they enter the roots.

bacteroid

(ˈbæktəˌrɔɪd) or

bacterioid

adj
(Microbiology) resembling a bacterium
n
(Microbiology) any rodlike bacterium of the genus Bacteroides, occurring in the gut of humans and animals

bac•te•roid

(ˈbæk təˌrɔɪd)
n.
1. any of the rod-shaped or branched bacteria in the root nodules of nitrogen-fixing plants.
adj.
2. Also, bac`te•roi′dal. resembling bacteria.
[1850–55]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.bacteroid - a rodlike bacterium (especially any of the rod-shaped or branched bacteria in the root nodules of nitrogen-fixing plants)bacteroid - a rodlike bacterium (especially any of the rod-shaped or branched bacteria in the root nodules of nitrogen-fixing plants)
bacteria, bacterium - (microbiology) single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission; important as pathogens and for biochemical properties; taxonomy is difficult; often considered to be plants
Adj.1.bacteroid - resembling bacteriabacteroid - resembling bacteria      
References in periodicals archive ?
Indirect evidence for cellulase production by Rhizobium in pea root nodules during bacteroid differentiation: cytochemical aspects of cellulose breakdown in rhizobial droplets.
Mutans, Gram -ve cocci like Neisseria, Gram +ve rods like Actinomyces Israeli, Corynebacterium, Gram -ve rods like Bacteroid Melanogenicus, Bacteroid Intermedius, Spirochetes like Treponema Microdentium, Treponema Ovale.
Importance of bacteroid number in nodules and effective nodule mass to dinitrogen fixation by cowpeas.
8 The predominant anaerobes include Fusobacterium nucleatum, Bacteroid melaninogenicus and Peptostreptococcus.
The bacteroid [symbiotic bacterium] seems to be telling the plant to turn up the [ALA-making] activity.
Inhibition of growth of Bradyrhizobium japonicum bacteroid by spermidine and spermine in yeast extract.