Immunoglobulin detection in wild birds

Effectiveness of three secondary anti-avian IgY antibodies in direct ELISAs in 41 avian species

Carol Fassbinder-Orth, Travis E. Wilcoxen, Tiffany Tran, Raoul K. Boughton, Jeanne M. Fair, Erik K. Hofmeister, Jennifer L. Grindstaff, Jen C. Owen

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

1.Immunological reagents for wild, non-model species are limited or often non-existent for many species. 2. In this study, we compare the reactivity of a new anti-passerine IgY secondary antibody with existing secondary antibodies developed for use with birds. Samples from 41 species from the following six avian orders were analysed: Anseriformes (1 family, 1 species), Columbiformes (1 family, 2 species), Galliformes (1 family, 1 species), Passeriformes (16 families, 34 species), Piciformes (1 family, 2 species) and Suliformes (1 family, 1 species). Direct ELISAs were performed to detect total IgY using goat anti-passerine IgY, goat anti-chicken IgY or goat anti-bird IgY secondary antibodies. 3.The anti-passerine antibody exhibited significantly higher IgY reactivity compared to the anti-chicken and/or anti-bird antibodies in 80% of the passerine families tested. Birds in the order Piciformes (woodpeckers) and order Suliformes (cormorants) were poorly detected by all three secondary antibodies. A comparison of serum and plasma IgY levels was made within the same individuals for two passerine species (house finch and white-crowned sparrow), and serum exhibited significantly more IgY than the plasma for all three secondary antibodies. This result indicates that serum may be preferred to plasma when measuring total antibody levels in blood. 4.This study indicates that the anti-passerine IgY secondary antibody can effectively be used in immunological assays to detect passerine IgY for species in most passerine families and is preferred over anti-chicken and anti-bird secondary antibodies for the majority of passerine species. This anti-passerine antibody will allow for more accurate detection and quantification of IgY in more wild bird species than was possible with previously available secondary antibodies.

Original languageEnglish
JournalMethods in Ecology and Evolution
DOIs
StateAccepted/In press - 2016

Fingerprint

wild birds
immunoglobulins
antibody
passerine
enzyme-linked immunosorbent assay
bird
antibodies
goat
Piciformes
blood serum
birds
serum
Passeriformes
goats
chickens
plasma
detection
Columbiformes
Anseriformes
Galliformes

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Ecological Modeling

Cite this

Immunoglobulin detection in wild birds : Effectiveness of three secondary anti-avian IgY antibodies in direct ELISAs in 41 avian species. / Fassbinder-Orth, Carol; Wilcoxen, Travis E.; Tran, Tiffany; Boughton, Raoul K.; Fair, Jeanne M.; Hofmeister, Erik K.; Grindstaff, Jennifer L.; Owen, Jen C.

In: Methods in Ecology and Evolution, 2016.

Research output: Contribution to journalArticle

Fassbinder-Orth, Carol ; Wilcoxen, Travis E. ; Tran, Tiffany ; Boughton, Raoul K. ; Fair, Jeanne M. ; Hofmeister, Erik K. ; Grindstaff, Jennifer L. ; Owen, Jen C. / Immunoglobulin detection in wild birds : Effectiveness of three secondary anti-avian IgY antibodies in direct ELISAs in 41 avian species. In: Methods in Ecology and Evolution. 2016.
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abstract = "1.Immunological reagents for wild, non-model species are limited or often non-existent for many species. 2. In this study, we compare the reactivity of a new anti-passerine IgY secondary antibody with existing secondary antibodies developed for use with birds. Samples from 41 species from the following six avian orders were analysed: Anseriformes (1 family, 1 species), Columbiformes (1 family, 2 species), Galliformes (1 family, 1 species), Passeriformes (16 families, 34 species), Piciformes (1 family, 2 species) and Suliformes (1 family, 1 species). Direct ELISAs were performed to detect total IgY using goat anti-passerine IgY, goat anti-chicken IgY or goat anti-bird IgY secondary antibodies. 3.The anti-passerine antibody exhibited significantly higher IgY reactivity compared to the anti-chicken and/or anti-bird antibodies in 80{\%} of the passerine families tested. Birds in the order Piciformes (woodpeckers) and order Suliformes (cormorants) were poorly detected by all three secondary antibodies. A comparison of serum and plasma IgY levels was made within the same individuals for two passerine species (house finch and white-crowned sparrow), and serum exhibited significantly more IgY than the plasma for all three secondary antibodies. This result indicates that serum may be preferred to plasma when measuring total antibody levels in blood. 4.This study indicates that the anti-passerine IgY secondary antibody can effectively be used in immunological assays to detect passerine IgY for species in most passerine families and is preferred over anti-chicken and anti-bird secondary antibodies for the majority of passerine species. This anti-passerine antibody will allow for more accurate detection and quantification of IgY in more wild bird species than was possible with previously available secondary antibodies.",
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