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Characterization of a noval influenza haemagglutinin, H15 Criteria for determination of influenza of sub-types.
Immune escape variants of H9N2 influenza viruses containing deletions at the haemagglutinin receptor binding site retain fitness in vivo and display enhanced zoonotic characteristics.
In this work, we evaluated the efficiency of expression of haemagglutinin of the avian influenza H5N1 A/swan/ Poland/305-135V08/2006 isolate in L.
Protection of goats against peste des petits ruminants with recombinant capripoxviruses expressing the fusion and haemagglutinin protein genes of rinderpest virus.
The strains are named for varying subtypes of two proteins on the surface of the virus -- haemagglutinin and neuraminidase -- that help determine its risk to humans.
These subtypes harbour novel forms of haemagglutinin molecules.
The seeds contain haemagglutinin. Plant also contains several labdane diterpenes and diterpenoids (methanolic extract) [28].
Primer pairs for specific amplification of the iroN (salmochelin siderophore receptor), iss (increased serum survival) [20]; papC (pilus associated with pyelonephritis), iucD (aerobactin siderophore synthesis) [10]; tsh (temperature-sensitive haemagglutinin), vat (vacuolating autotransporter toxin) [6]; cvi/cva (structural genes of colicin V operon), ibeA (invasion of brain endothelium) [7]; irp2 (Iron-repressible protein (yersiniabactin synthesis)) [21]; neuS (K1 capsular antigen) [22]; and astA (heat-stable cytotoxin associated with enteroaggregative E.
Temperature-sensitive haemagglutinin (tsh) plays a role in the colonization of air sacs [9]; P-fimbriae (pap) are important in the later stages of infection for the adhesion to internal organs [10].
The influenza virus has two spikes on its outer surface: haemagglutinin (HA) and neuraminidase (NA).