Emerging Infectious Disease ISSN: 1080-6059

Identification of Residual Blood Proteins in Ticks by Mass Spectrometry Proteomics

Samanthi Wickramasekara*¹, Jonas Bunikis†¹, Vicki Wysocki*, and Alan G. Barbour†

Author affiliations: *University of Arizona, Tucson, Arizona, USA; †University of California Irvine, Irvine, California, USA;

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Figure

Tandem mass spectra of 2 peptides from sheep hemoglobin β-subunit identified in a nymph of an Amblyomma americanum tick. A) Singly protonated AAVTGFWGK. B) Doubly protonated VKVDEVGAEALGR. The peaks are labeled in the conventional manner: b ions include the N-terminus of the peptide and y ions include the C-terminus, with subscripts indicating the number of amino acid residues in the fragment.

Figure. Tandem mass spectra of 2 peptides from sheep hemoglobin β-subunit identified in a nymph of an Amblyomma americanum tick. A) Singly protonated AAVTGFWGK. B) Doubly protonated VKVDEVGAEALGR. The peaks are labeled in the conventional manner: b ions include the N-terminus of the peptide and y ions include the C-terminus, with subscripts indicating the number of amino acid residues in the fragment.

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¹These authors contributed equally to this article.

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