The bacterial community found on the surface purple martin (Progne subis) Eggs

Beth A. Potter, Mary M. Sperry, Dan D. Hoang, Kaitlin C. Pander, Sean G. Weaver, Aimee N. Day, Kelly M. Hedderick, Michael A. Rutter, Robert A. Aeppli

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


Introduction: The community of microorganisms that lines the surface of avian eggs is the first line of defense against infection by pathogenic bacteria. The protective role of this community is derived from its composition and several studies have focused on identifying the bacterial components. While a diverse group of avian species has been studied, multiple species within the same family have not been independently studied. This depth is necessary to determine the degree of flexibility or plasticity within the community. Method: The goal of this study was to identify the bacterial microorganisms found lining the eggshells of an avian species classified within the Hirundinidae family, the Purple Martin (Progne subis). Culture-dependent techniques revealed a predominance of Pseudomonas before and after clutch completion. Result: Interestingly our results correlate with studies involving Pied Flycatchers, House Wrens, and Eurasian Magpies rather than Tree and Violet-Green Swallows. Conclusion: Given the variances between Pied Flycatchers, House Wrens, Eurasian Magpies and Purple Martins in regard to breeding habitat, diet, nest construction, and incubation behaviors, we hypothesize that a strong selective force may be provided by uropygial gland secretions or preen oil.

Original languageEnglish (US)
Pages (from-to)23-30
Number of pages8
JournalOpen Ornithology Journal
StatePublished - Feb 1 2017

All Science Journal Classification (ASJC) codes

  • Animal Science and Zoology


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