J Arthropod-Borne Dis, June 2017, 11(2): 236–241 L Nourani et al.: New Host Records … 236 http://jad.tums.ac.ir Published Online: May 27, 2017 Original Article New Host Records for Haemoproteus Spp. (Apicomplexa: Haemosporidiasina) in Passeriformes from North-West of Iran Leila Nourani 1, *Mansour Aliabadian 1,2, Navid Dinparast-Djadid 3, Omid Mirshamsi 1,2 1Department of Biology, Faculty of Sciences, Ferdowsi University of Mashhad, Mashhad, Iran 2Research Department of Zoological Innovations, Institute of Applied Zoology, Faculty of Sciences, Ferdowsi University of Mashhad, Mashhad, Iran 3Malaria and Vector Research Group (MVRG), Biotechnology Research Center (BRC), Pasteur Institute of Iran, Tehran, Iran (Received 13 Jan 2015; accepted 7 May 2016) Abstract Background: The intracellular protozoan parasites of the genus Haemoproteus occur in different avian hosts all over the world. Various genus of blood sucking insects’ families such as Hippoboscidae and Ceratopogonidae could transmit Haemoproteus in avian hosts. There are very limited number of studies on wild infected birds with blood parasites in Iran, so the aim of this study was to determine the frequency of Haemoproteus spp. infection in passerine birds from northwest of Iran. Methods: Passerines were collected from four different localities in Zanjan Province, northwest Iran during June to August 2014. Results: Of 86 passerines, we found Haemoproteus infection in 19 (22.09%) individuals. In general, 15 bird species were observed for haemosporidians, of which 53% were infected. Conclusion: Three species of passerines: Petronia petronia, Sitta tephronota and Acrocephalus melanopogon are new host records for Haemoproteus infection in the world. Results acquired by this study support widespread distri- bution of Haemoproteus in passerines and illustrated the prevalence of Haemoproteus species in wild birds of north- west of Iran. Conclusively, our study specified that more investigations are needed to reach exact prevalence rate in different families of birds in Iran. Keywords: Mosquitos, Hippoboscidae, Ceratopogonidae, Plasmodium, Blood parasites Introduction The intracellular protozoan parasites of the genus Haemoproteus occurs in different avian hosts all over the world (Bennett et al. 1992, Valkiunas 2005). This genus was orig- inally described by Kruse 1890 as Haemo- proteus columbae based on gametocytes in Columba livia. Haemosporidians as imposing parasites that infect bird's blood cells in which asexual reproduction stages arise within erythrocytes and sexual cycle occurs in dip- teran vectors (Hellgren et al. 2008, Ishtiaq et al. 2008). Various genus of blood sucking in- sects’ families such as Hippoboscidae and Cer- atopogonidae could transmit Haemoproteus in avian hosts (Atkinson and van Riper 1991, Ishtiaq et al. 2008, Martinsen et al. 2008). Tra- ditionally, the prevalence of blood parasites is calculated as the amount of infected sam- ples by microscopic detection of blood smears (Peirce 1981). This factor could illustrate trans- mission degree of the parasites with mosqui- to’s vectors, richness and also host specific- ity (van Riper et al. 1986, Hamilton and Zuk 1982). Avian hosts stay diseased if they once become infected by haemosporidian para- sites for long time (Valkiūnas 2005). The Passeriformes with more than 5300 extant species including the largest and most **Corresponding author: Dr Mansour Aliabadian, E-mail: Aliabadi@um.ac.ir J Arthropod-Borne Dis, June 2017, 11(2): 236–241 L Nourani et al.: New Host Records … 237 http://jad.tums.ac.ir Published Online: May 27, 2017 frequently known clades of birds occupied all landmasses except Antarctica (Johanson et al. 2008b). According to recent avian check- list, 235 passerine birds have been recorded from Iran (Dickinson and Christidis 2014). Parasites have major effects on physiology, ecology, health, population dynamics, sexual selection and fertilization of birds which in some cases lead to host elimination (Hamil- ton and Zuk 1982, Garvin et al. 2003, Mar- zal et al. 2005, Donovan et al. 2008), due to very limited number of studies on wild in- fected hosts with blood parasites in Iran, we have attempted to determine the frequency of Haemoproteus species in passerines from northwest of Iran. Besides, new host records were reported for Haemoproteus. Materials and Methods Passerine birds were collected from four different localities in Zanjan Province, north- west Iran during June to August 2014. Avian hosts were identified morphologically using field guides (Porter and Aspinall 2010). Blood samples were obtained via brachial vein punc- ture of the birds with insulin needles. Three thin smears for each specimens were made, immediately air dried, fixed in absolute meth- anol and finally stained with Giemsa stain pH 7.2 for 45min protozoan detection was done under light microscope for 10–15min at low magnification and then at high mag- nification (X1000) with immersion oil. Para- sites were identified according to the proce- dures suggested by Valkiunas (2005). Results A total of 86 birds’ belong to nine fami- lies were studied. All hosts belong to the or- der Passeriformes comprising nine families: Turdidae, Paridae, Passeridae, Sittidae, Em- berizidae, Fringillidae, Acrocephalidae, Lani- idae and Muscicapidae. The highest numbers of captured hosts belong to Fringilidae (Ta- ble 1). The highest amount of infection was iden- tified in Sittidae (50%) and other families Fringillidae (43.75%), Acrocephalidae (25%), Emberizidae (20%), Passeridae (14.28%), Tur- didae (11.11%) were placed in the subsequent orders respectively. Furthermore, families Pari- dae, Laniidae and Muscicapidae were clear from Haemoprotues infection. Besides, new host records were reported for Haemoproteus spp. of Petronia petronia, Sitta tephronota and Acrocephalus melanopogon for World (Fig. 1). Fig. 1. Haemoproteus species gametocytes in red blood cells of passerines from northwest of Iran in Petronia petronia, Sitta tephronota and Acrocephalus melanopogon respectively from left. (Photo by L Nourani) J Arthropod-Borne Dis, June 2017, 11(2): 236–241 L Nourani et al.: New Host Records … 238 http://jad.tums.ac.ir Published Online: May 27, 2017 Table 1. Occurrence of Passeriformes Haemoproteus species from Zanjan province, northwest of Iran. Number of examined and infected host is presented. Species marked with star are new reports as Haemoproteus infected hosts. Host families Host species No. of host captured Examined Infected Turdidae Turdus merula 9 1 Paridae Parus major 15 0 Passeridae Petronia petronia* 3 1 Passer domesticus 4 0 Sittidae Sitta tephronota* 2 1 Emberizidae Granativora melanocephala 14 3 Emberiza buchanani 1 0 Fringillidae Linaria cannabina 14 6 Carduelis carduelis 2 1 Acrocephalidae Acrocephalus dumetorum 10 3 Acrocephalus melanopogon* 5 2 Laniidae Lanius minor 1 0 Muscicapidae Saxicola torquatus 1 0 Irania gutturalis 1 0 Ficedula hypoleuca 4 0 Total 86 19 Discussion This study was designed to discover the occurrence of Haemoproteus spp. among dif- ferent species of Passeriformes. This genus is distributed worldwide with more than 132 species (Valkiūnas 2005). Of 86 passerine birds which examined in this study, we found Haemoproteus infection in 19 (22.09%) indi- viduals. In general, 15 bird species were ex- amined for haemosporidians, of which 53% were infected. Results showed three species Passeridae: Petronia petronia, Sittidae: Sitta tephronota and Acrocephalidae: Acrocepha- lus melanopogon are new host records for Haemoproteus infection in the world accord- ing to MalAvi database and the rest of hosts’ species infection are also new records for Iran. Till December 2014, about 1129 instanc- es of Haemoproteus for 987 different birds’ species was documented around the world. The most regular genera of intracellular parasites could infect bird hosts including Haemoproteus, Plasmodium (Marchiafava et Celli 1885) and Leucocytozoon (Berestneff 1904). Some investigations reported between 50–100% of the individuals are infected with these blood parasites (Valkiūnas et al. 2003, Belo et al. 2011, Yoshimura et al. 2014) and other researches documented less amount of prevalence (Sehgal et al. 2005, Youssefi et al. 2010, Bahrami et al. 2012, Doosti et al. 2014). Comparatively, it is little known on blood parasites of wild birds in Iran but, there are numerous studies on Columbiformes (Youssefi et al. 2010, Radfar et al. 2011, Dehghani- Samani et al. 2013, Doosti et al. 2014) and waterfowls (Shemshadi et al. 2014). For ex- ample, Youssefi et al. (2010) reported the prevalence of 17.47% for H. columbae in north of Iran and examination of 250 pi- geons revealed that 20.8% of which were infected with H. columbae (Bahrami et al. 2012). In another study from Chaharmahal Va Bakhtiari Province, 220 free living pi- geons (Columba livia domestica) from five localities presented the prevalence rate of 23.18% for H. columbae infection (Doosti et al. 2014). Faghihzadeh Gorji et al. 2012 found prevalence rate of 11% for Plasmodium J Arthropod-Borne Dis, June 2017, 11(2): 236–241 L Nourani et al.: New Host Records … 239 http://jad.tums.ac.ir Published Online: May 27, 2017 of Passer domesticus in Mazandaran Province. Our report is similar to prevalence rate with the average of 26% for haematozoa in 14812 samples reported for European pas- serines (Scheuerlein and Ricklefs 2004). High prevalence rate of 39.6% has been recorded for Plasmodium infection for 275 passerine birds’ samples of nine families from Brazil by Ribeiro et al. 2004. Likewise another study on 121 birds species captured of West Afri- can rainforests, they reported Haemoproteus (7.7%), Plasmodium (10.7%), Leucocytozo- on (4.6%) infection (Sehgal et al. 2005). Migratory birds including Passeriformes and birds of prey are the potential reservoir of various infections which may influence animals and/or man. Birds are able to harbor various pathogens such as chlamydophilosis and salmonellosis agents, poxvirus, Plasmo- dium, feather mite and lice, avian-origin in- fluenza A(H7N9), crimean-congo hemorrhag- ic fever virus and Lyme disease (Karesh et al. 2007, Vanrompay et al. 2007, Carlson et al. 2011, Lindeborg et al. 2012, Jones et al. 2014). Duo to the importance of transmis- sion of diseases between wildlife and man on public health and economic issues, more studies may shed light on birds and parasites relationship. Conclusion Results support widespread distribution of Haemoproteus in Passeriformes and illus- trated the prevalence of Haemoproteus spp. in wild birds of northwest of Iran. Conclu- sively, our study specified that more studies are needed to reach exact prevalence rate in different families of birds in Iran. Acknowledgements The authors would like to express their sincere appreciation to who assisted for sam- pling. 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