Haemoproteus erythrogravidus n. sp. (Haemosporida, Haemoproteidae): Description and molecular characterization of a widespread blood parasite of birds in South America



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Mantilla, Juan S. and González, Angie D. and Lotta, Ingrid A. and Moens, Michaël André Jean and Pacheco, M. Andreína and Escalante, Ananias A. and Valkiunas, Gediminas and Moncada, Ligia I. and Pérez Tris, Javier and Matta, Nubia E. (2016) Haemoproteus erythrogravidus n. sp. (Haemosporida, Haemoproteidae): Description and molecular characterization of a widespread blood parasite of birds in South America. Acta Trópica, 159 . pp. 83-94. ISSN 0001-706X, ESSN: 1873-6254

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Official URL: http://www.sciencedirect.com/science/article/pii/S0001706X16300870


The great diversity of birds and ecosystems in the Andean mountains has been understudied in terms of their parasite species. We describe a new Haemoproteus parasite, H. (Parahaemoproteus) erythrogravidus infecting Zonotrichia capensis (Rufous-Collared Sparrow) in South America. The description of this blood parasite species is supported by morphological and molecular data based on a fragment of cytochrome b gene (cyt b) and complete mitochondrial genome sequences. The new species is closely related to H. (Parahaemoproteus) coatneyi, and it can be readily distinguished from the latter parasite due to morphology of its blood stages, particularly 1) the formation of a marked protrusion on envelope of infected erythrocytes by the majority of developing gametocytes, a feature which is unique for this Haemoproteus species and 2) the extremely attenuated width of the growing dumbbell-shaped macro- and microgametocytes.Additionally, Haemoproteus erythrogravidus is shown to be a monophyletic taxon that diverges from Haemoproteus coatneyi atthe molecular level. We provide the complete mitochondrial DNA genome for both H. coatneyi and H. erythrogravidus. Molecular and morphological evidences indicate that H. erythrogravidus is present in Ecuador and Colombia, and genetic lineages with 100% of identity for the cyt b gene were reported in Chile, Perú, and Venezuela. Our study also indicates that H. erythrogravidus and H. coatneyi are sympatric sister taxa sharing Z. capensis as a host species across its distribution, which could be the result of sympatric speciation or complex biogeographic processes. Further studies on the distribution and evolutionary history of Z. capensis and its parasites H. erythrogravidus and H. coatneyi insight for our better understanding of the factors and dynamics driving parasite speciation.

Item Type:Article
Uncontrolled Keywords:Haemoproteus; Blood parasite; New species; Haemoproteus Blood parasite; New species; Avian malaria; Haemosporida; South America Neotropics; Zonotrichia capensis
Subjects:Medical sciences > Veterinary > Parasitology
Medical sciences > Biology > Birds
Medical sciences > Biology > Molecular biology
Medical sciences > Biology > Ecology
Medical sciences > Biology > Evolution
Medical sciences > Biology > Microbiology
ID Code:41443
Deposited On:22 Feb 2017 08:54
Last Modified:19 Apr 2022 10:20

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