19 research outputs found

    Example stills from a token and from an ABB sequence made up of three tokens.

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    <p>Example stills from a token and from an ABB sequence made up of three tokens.</p

    Looking times to consistent and inconsistent sequences during test trials, split by training rule.

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    <p>Looking times to consistent and inconsistent sequences during test trials, split by training rule.</p

    MOESM1 of Insect herbivory in a mature Eucalyptus woodland canopy depends on leaf phenology but not CO2 enrichment

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    Additional file 1: Fig. S1. Total monthly rainfall (bars) and average monthly temperature (circles) at the EucFACE site

    Protection of guinea pigs against H7N9 challenge.

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    <p>(A) Scheme of immunization and infection. Guinea pigs were immunized IN with PIV5 or PIV5-H7 (10<sup>7</sup> PFU), or PIV5-H7 + PIV5-NP (5x10<sup>6</sup> PFU of each). Six guinea pigs were immunized IM with 512 HAUs of iH7N9. At 21 days post immunization (dpi), guinea pigs were bled and HAI titers were measured. The guinea pigs were then infected IN with 10 ID<sub>50</sub> of A/Anhui/1/13 (H7N9). One dpi, one naïve guinea pig was co-housed with each infected guinea pig in a single cage. Nasal washes were obtained from guinea pigs at day 2, 4, 6 and 8 after challenge (day post-challenge). Titers of H7N9 in nasal washes were determined by TCID<sub>50</sub> assay. (B—E) Nasal wash titers of individual animals. (F) Mean nasal wash titers (+ SEM). (*<i>P</i><0.05 compared to PIV5-vaccinated; Kruskal-Wallis test) (G) Hemagglutination inhibition titers of individual vaccinated animals. (*P < 0.05; Kruskal-Wallis test) Order and shading of bars matches individual guinea pigs for panels B—E, Symbols match for panels F and G.</p

    Protection of anti-H7 serum antibodies.

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    <p>Sera from PIV5-H5 or PIV5-H7 immunized guinea pigs were pooled and assayed for HAI titers. 200 μl of anti-H7 (HAI titer of 80) diluted 1:2 or naïve serum was injected IP into naïve mice and the mice were challenged at 1 day post-injection with 10 LD<sub>50</sub> of H7N9. 200 μl of anti-H5 serum (HAI titer of 80) serially diluted, 1:8, 1:16, and 1:32 was injected IP into mice and the mice were challenged with 10 LD<sub>50</sub> of H5N1 the next day. (A) Mortality of H7N9 challenge after antibody transfer. (B) Weight loss after H7N9 challenge. (C) Virus titers in the lungs of mice at 3 days after H7N9 challenge. (D) Mortality of H5N1 challenge after antibody transfer.</p

    PIV5-H7 and PIV5-NP protected mice against H7N9 challenge.

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    <p>BALB/c mice in groups of 9–10 were infected IN with PIV5-H7 at a dose of 10<sup>6</sup> PFU, 10<sup>6</sup> PFU of PIV5-NP, 10<sup>6</sup> PFU of PIV5, or PBS. Mice were rested for 8 weeks and were then challenged with 10 50% lethal doses (LD<sub>50</sub>) of A/Anhui/1/2013 (H7N9) and monitored for (A) survival and (B) weight loss. (*<i>P</i><0.05, log-Rank, compared to PBS or PIV5)</p

    Dose response of PIV5-H7.

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    <p>BALB/c mice in groups of 15 were infected IN with PIV5-H7 at a dose of 10<sup>4</sup>, 10<sup>5</sup> and 10<sup>6</sup> PFU, or PBS or intramuscularly injected with 256 HAU of iH7N9. Mice were rested for 3 weeks then challenged with 10 LD<sub>50</sub> of A/Anhui/1/2013 (H7N9) and monitored for (A) survival and (B) weight loss. (<i>P</i><0.05, ANOVA, *compared to PBS on days 2–8; †compared to PBS on days 2, 6, and 8; <sup>‡</sup>compared to PBS on day 8 (10<sup>4</sup> only) (C) Titers of H7N9 in the lungs of mice Day 3 post H7N9 challenge. (<i>P</i><0.05, Kruskal-Wallis)</p

    Antibody responses in immunized mice.

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    <p>96-well plates were coated with inactivated H7N9 and incubated overnight. After blocking, serial dilutions of serum, nasal wash or bronchoalveolar lavage (BAL) samples were added to the coated plates. After wash, alkaline phosphatase-labeled goat anti-mouse IgG (A-C) or IgA (D, E) were added and plates were developed using phosphatase substrates. Optical density (OD) was measured at 405 nm on a Bio-Tek Powerwave XS plate reader.</p
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