Abstract
Of 20 clinical isolates of Haemophilus parainfluenzae, 13 produced a mannose-resistant hemagglutinin that agglutinated erythrocytes from chickens, horses, rabbits, and sheep. Examination with the electron microscope showed that only strain HR-885 was pilate. Grown in static liquid culture, the 12 hemagglutinating, nonpilate isolates formed small, tightly packed clumps, whereas strain HR-885 formed large, loosely packed clumps. However, seven isolates did not produce a hemagglutinin, did not clump, and were nonpilate.
MeSH Terms
Fimbriae, Bacterial/physiology
Haemophilus influenzae/physiology,ultrastructure
Hemagglutination
Authors & Affiliations
2 authors, click to expand affiliations / ORCID
Kahn M E
Gromkova R
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