… using reverse genetics is one way to generate recombinant IBVs as the … the recombinant
IBV is developed by replacing the ectodomain region of the S1 gene of the IBV Beaudette strain …

… biological characteristics of the recombinant virus remained … The causative agent of IB is
infectious bronchitis virus (IBV), … the recombinant strain, rH120-S1/YZ, expressed the S1 gene …

… in which S1 gene of IBV H120 was replaced with that of strain … genetics established in this
study, recombinant H120 (rH120) strain and its chimeric virus rH120/SCS1 carrying S1 gene of …

… The ecto-domain region of the S2 subunit contains a fusion peptide … recombinant strain
originating from H120, 4/91, LDT3-A and LJL/08-1 strains, all of which are prevalent in the region. …

… S1 subunit is derived from the IBV vaccine strain, H120, or the … ; replacement of the
ectodomain of the IBV Beaudette S … The growth characteristics of the P3-CKC and P7- or P11-…

… We demonstrated that extension of S1 with the S2 ectodomain… Recombinant avian infectious
bronchitis virus expressing a … IBV Beaudette strain S1 gene with that from the H120 strain …

… With this in mind, the ectodomain of the consensus spike … IBV strain M41 as efficiently as its
homologous vaccine H120 (… IBV GI-1 strain in the virus challenge, however, more strains in …

… This means that producing infectious bronchitis virus vaccines always involves the … -R but
expressing the ectodomain region of the S1 gene of the H120 strain, and this recombinant IBVs …

… live-attenuated vaccine strains, mainly H120 and 793B, are used … IBV S protein when S-ectodomain-coated-ELISA
plates were … In summary, recombinant NDV strain LaSota expressing …

… recombinants that expressed chimeric S glycoprotein, S1 or S2 subunit of strain H120, and
… (B) The structure prediction of the monomer of HV80 spike ectodomain in the prefusion …