# |
PMID |
Sentence |
1 |
1882532
|
The more attenuated cold-adapted donor A/Len/47 for preparation of similar LIV for children acquired three additional ts mutations: two (PB1 and NS) in "internal" genes and one in gene 6 coding for neuraminidase (NA).
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2 |
2609642
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The B/14/5/1 recombinant inherited the genes coding for proteins PB2, PB1, PA, NP, and M from the attenuated master strain and the genes coding for hemagglutinin, neuraminidase, and proteins NS from the virulent master strain.
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3 |
2974219
|
Nucleotide sequences have been obtained for RNA segments encoding the PB2, PB1, PA, NP, M1, M2, NS1, and NS2 proteins of the influenza A/Ann Arbor/6/60 (H2N2) wild-type (wt) virus and its cold-adapted (ca) derivative that has been used for preparing investigational live attenuated vaccines.
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4 |
7999358
|
The mean numbers of sperm bound to hemizona for PB1, PVS, GV, and MC groups were 132.9 +/- 12.0, 71.5 +/- 10.1, 36.1 +/- 4.0, and 20.1 +/- 2.9 (Mean +/- SE), respectively.
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5 |
8292967
|
Coli-PB-1; a chimera containing parts of both p24 and p15 expressed in E. coli-GAG; and baculovirus gp160 cloned in baculovirus and produced in insect cells.
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6 |
8292967
|
Sera from mice immunized with PB1-iscoms and gp160 (baculo) iscoms were tested in a syncytie inhibition assay.
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7 |
9765409
|
The proteins recognized by these cell lines included the nucleoprotein (NP), matrix protein (M1), nonstructural protein 1 (NS1), polymerases (PB1 and PB2), and hemagglutinin (HA).
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8 |
9765409
|
Two CD4(+) cell lines, one specific for neuraminidase (NA) and the other specific for M1, were also characterized.
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9 |
10430945
|
Human embryonic kidney cells (293T) were transfected with eight plasmids, each encoding a viral RNA of the A/WSN/33 (H1N1) or A/PR/8/34 (H1N1) virus, flanked by the human RNA polymerase I promoter and the mouse RNA polymerase I terminator-together with plasmids encoding viral nucleoprotein and the PB2, PB1, and PA viral polymerases.
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10 |
11315644
|
These nucleotide changes encode 23 amino acid substitutions in seven viral proteins (PB2, PB1, PA, M1, M2, NS1 and NS2).
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11 |
15163504
|
The production of chimeric viruses revealed that the difference in virus titers between A/PR/8/34 and A/WSN/33 are determined primarily by differences in the surface glycoproteins hemagglutinin and neuraminidase and the polymerase protein PB1.
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12 |
15881391
|
The PB-1 gene of 4 clones and 3 vaccine strains had a mutation encoding Met-317-IIe more typical of a more attenuated virus A/Leningrad/134/47/57 (H2N2) (Len/47).
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13 |
17135452
|
Only the GSL Pb-1 antigen, which presents the carbohydrate structure Galfbeta1-6(Manalpha1-3)Manbeta1, was reactive with the PCM patient sera.
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14 |
19089690
|
Inhibitory effect of small interfering RNA specific for a novel candidate target in PB1 gene of influenza A virus.
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15 |
20519387
|
Using reverse genetics, an A/Puerto Rico/8/34 (A/PR/8/34) virus was rescued that contained a modified PB1 gene such that the PB1 packaging sequences were exchanged for those of the neuraminidase (NA) gene segment.
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16 |
21434704
|
More recently has been shown that PB1-F2 protein may regulate a viral RNA (vRNA) polymerase activity by the interaction with PB1 protein.
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17 |
21434704
|
We proved that PB1-F2 protein increased the level of expression of PB1 protein and vRNA in the infected cells.
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18 |
21434704
|
Moreover, we demonstrated that a higher level of vRNA expression resulted in the increase of expression of multiple viral proteins, including NP, M1, and NS1.
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19 |
21434704
|
More recently has been shown that PB1-F2 protein may regulate a viral RNA (vRNA) polymerase activity by the interaction with PB1 protein.
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20 |
21434704
|
We proved that PB1-F2 protein increased the level of expression of PB1 protein and vRNA in the infected cells.
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21 |
21434704
|
Moreover, we demonstrated that a higher level of vRNA expression resulted in the increase of expression of multiple viral proteins, including NP, M1, and NS1.
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22 |
22294447
|
Two weeks after three subcutaneous doses of DNA vaccine, the mice were challenged intranasally with 1 LD50 of A/Puerto Rico/8/34 (H1N1) virus, and PB1- and HA-specific antibodies, survival rate, body weight change, viral mRNA load, infectious virus titer in the lungs, cytokines IL-2, IL-4 and IL-10, and granzyme-B were measured.
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23 |
23468502
|
As the HA viral RNA (vRNA) and mRNA levels in infected cells were similar, we propose that PB1 selectively alters the translation of viral mRNA.
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24 |
25502649
|
Chimeric neuraminidase and mutant PB1 gene constellation improves growth and yield of H5N1 vaccine candidate virus.
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