Journal
JOURNAL OF INVERTEBRATE PATHOLOGY
Volume 108, Issue 2, Pages 126-130Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jip.2011.07.004
Keywords
Flow cytometry; Immune response; Immunity; Hemocyte; Phagocytosis
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Funding
- Hatch Act and State of Iowa funds [5111]
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Phagocytosis of pathogens by hemocytes is a rapid-acting immune response and represents a primary means of limiting microbial infection in some species of arthropods. To survey the relative capacity of hemocyte phagocytosis as a function of the arthropod immune response, we examined the extent of phagocytosis among a wide taxonomic range of arthropod species including a decapod crustacean (Litopenaeus vannamei), three ixodid tick species (Amblyomma americanum, Dermacentor variabilis, and lxodes scapularis), a mosquito species (Aedes aegypti), and a larval moth (Manduca sexta). Injected fluorescent beads were used as a model to elicit phagocytosis and were measured by flow cytometry, a technique provided in detail that may be adapted for use with any species of arthropod. The data indicated that smaller arthropods generally had a higher proportion of phagocytic cells than larger arthropods. (C) 2011 Elsevier Inc. All rights reserved.
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