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Marandykina-Prakienė A, Butkauskas D, Gudiškis N, Juozaitytė-Ngugu E, Bagdonaitė DL, Kirjušina M, Calero-Bernal R, Prakas P. Sarcocystis Species Richness in Sheep and Goats from Lithuania. Vet Sci 2023; 10:520. [PMID: 37624307 PMCID: PMC10458481 DOI: 10.3390/vetsci10080520] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 08/03/2023] [Accepted: 08/09/2023] [Indexed: 08/26/2023] Open
Abstract
Contradictory data is available on the intermediate host specificity of Sarcocystis spp. in farm animals. Therefore, the current work aimed at molecularly testing samples of sheep and goats reared in Lithuania to identify Sarcocystis species described in other intermediate hosts but suspected to be non-canonical parasites to these small ruminants. For this purpose, muscle samples from 47 domestic sheep and nine goats were examined. Sarcocystis species were identified using direct and nested PCR targeting cox1 and sequencing of positive amplified products. Along with the detection of the canonical Sarcocystis spp. in their respective intermediate hosts, the DNA of S. capracanis and S. morae was detected in sheep, although these species were previously thought to be specific to goats and deer, respectively. In addition, DNA from S. arieticanis and S. tenella was found in goats, even though these two species were believed to be sheep-specific. Notably, under light microscopy, only sarcocysts of S. capracanis specific to goats were observed. Thus, future research on the life cycle and host-specificity of Sarcocystis spp. examined is warranted.
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Affiliation(s)
- Alina Marandykina-Prakienė
- Nature Research Centre, Akademijos 2, 08412 Vilnius, Lithuania; (A.M.-P.); (D.B.); (N.G.); (E.J.-N.); (D.L.B.)
| | - Dalius Butkauskas
- Nature Research Centre, Akademijos 2, 08412 Vilnius, Lithuania; (A.M.-P.); (D.B.); (N.G.); (E.J.-N.); (D.L.B.)
| | - Naglis Gudiškis
- Nature Research Centre, Akademijos 2, 08412 Vilnius, Lithuania; (A.M.-P.); (D.B.); (N.G.); (E.J.-N.); (D.L.B.)
| | - Evelina Juozaitytė-Ngugu
- Nature Research Centre, Akademijos 2, 08412 Vilnius, Lithuania; (A.M.-P.); (D.B.); (N.G.); (E.J.-N.); (D.L.B.)
| | - Dovilė Laisvūnė Bagdonaitė
- Nature Research Centre, Akademijos 2, 08412 Vilnius, Lithuania; (A.M.-P.); (D.B.); (N.G.); (E.J.-N.); (D.L.B.)
| | - Muza Kirjušina
- Institute of Life Sciences and Technology, Daugavpils University, Parādes Street 1A, 5401 Daugavpils, Latvia;
| | - Rafael Calero-Bernal
- SALUVET Group, Animal Health Department, Complutense University, Ciudad Universitaria s/n, 28040 Madrid, Spain;
| | - Petras Prakas
- Nature Research Centre, Akademijos 2, 08412 Vilnius, Lithuania; (A.M.-P.); (D.B.); (N.G.); (E.J.-N.); (D.L.B.)
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Marandykina-Prakienė A, Butkauskas D, Gudiškis N, Juozaitytė-Ngugu E, Januškevičius V, Rudaitytė-Lukošienė E, Prakas P. Molecular Identification of Sarcocystis Species in Sheep from Lithuania. Animals (Basel) 2022; 12:2048. [PMID: 36009638 PMCID: PMC9404443 DOI: 10.3390/ani12162048] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 08/09/2022] [Accepted: 08/10/2022] [Indexed: 11/17/2022] Open
Abstract
Data on the distribution of different Sarcocystis species in various muscles of sheep are scarce. In the present study, 190 diaphragm, oesophagus, and heart muscle samples of 69 sheep raised in Lithuania were examined for the presence of Sarcocystis spp. Under a light microscope, two morphological types of microcysts corresponding to S. arieticanis and S. tenella were detected. Eight and 12 sarcocysts of S. arieticanis and S. tenella, respectively, were isolated and characterised by the sequencing of a portion of cox1. The sequence comparisons revealed the highest similarity between European and Asian isolates of S. arieticanis and S. tenella obtained from domestic sheep and other wild Caprinae hosts. Based on peptic digestion, nested PCR targeting cox1, and sequencing, a 100% infection prevalence of S. arieticanis and S. tenella was observed in the 69 studied animals. The occurrence of S. tenella was significantly higher in the diaphragm than in the oesophagus (χ2 = 13.14, p < 0.001), whereas differences in the prevalence of S. arieticanis in the studied muscle types were insignificant (χ2 = 1.28, p > 0.05). Further molecularly based epidemiological studies are needed to compare the prevalence of Sarcocystis species in various muscles of sheep raised in different geographic regions.
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Affiliation(s)
| | | | | | | | | | | | - Petras Prakas
- Nature Research Centre, Akademijos Str. 2, LT-08412 Vilnius, Lithuania
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Sun Y, Ju J, Su X, Xie C, Li Y, Kang M. Infection survey and morphological characteristics of Sarcocystis spp. in naturally infected Tibetan sheep from Qinghai in northwestern China. Parasitol Int 2020; 80:102219. [PMID: 33160051 DOI: 10.1016/j.parint.2020.102219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2020] [Revised: 09/01/2020] [Accepted: 09/02/2020] [Indexed: 10/23/2022]
Abstract
Sarcocystosis is a parasitic disease caused by intracellular coccidian protozoans that belong to the genus Sarcocystis. These parasites can cause diseases of the nervous system, abortion and economically significant losses in host animals. Previous studies have reported that Sarcocystis is found in mammals, birds and reptiles, while molecular and morphological studies of infected Tibetan sheep have not been performed in the Qinghai region. The aim of this study was to determine the prevalence of Sarcocystis spp. in Tibetan sheep in Qinghai, northwestern China. The results showed that in 1155 samples, sarcocysts from unspecified species were found in 50% (577/1155) of the sheep tissues by microscopy detection. The positive rates of sarcocysts in the diaphragmatic, esophageal and cardiac muscles were 78.4% (175/223), 29.1% (207/711), and 88.2% (195/221), respectively. Ultrastructural features were exclusively observed in Sarcocystis gigantea in the esophageal tissues. The specific architecture was characterized as a space between the two layers of the original capsule wall, which was filled with fiber bundles and tissue fluid. Cauliflower-like protrusions of the original capsule wall were observed toward the outer surface of the capsule. Prominent protrusions contained fibers and matrix. In addition, the Sarcocystis 18S rRNA genes from 6 esophageal tissue samples were cloned, sequenced, and aligned to related sequences from GenBank. All 5 S. gigantea sequences examined in this study were grouped into the same cluster and belonged to the same genotype. The other 5 Sarcocystis tenella sequences were obtained from cardiac muscle and diaphragm muscle and belonged to the same clade. Overall, this study revealed a high infection rate of Sarcocystis in Tibetan sheep in the region. The results of this study may provide a reference for further research investigating the sarcocystosis epidemic in Qinghai, China.
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Affiliation(s)
- Yali Sun
- State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xining 810016, PR China; College of Agriculture and Animal Science, Qinghai University, Xining 810016, PR China
| | - Jinling Ju
- State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xining 810016, PR China; College of Agriculture and Animal Science, Qinghai University, Xining 810016, PR China
| | - Xiaoxue Su
- State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xining 810016, PR China; College of Agriculture and Animal Science, Qinghai University, Xining 810016, PR China
| | - Caiying Xie
- State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xining 810016, PR China; College of Agriculture and Animal Science, Qinghai University, Xining 810016, PR China
| | - Ying Li
- State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xining 810016, PR China; College of Agriculture and Animal Science, Qinghai University, Xining 810016, PR China
| | - Ming Kang
- State Key Laboratory of Plateau Ecology and Agriculture, Qinghai University, Xining 810016, PR China; College of Agriculture and Animal Science, Qinghai University, Xining 810016, PR China.
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Morphometric Study of Microscopic Cysts of Sarcocystis Sp. in Sheep Carcasses. FOLIA VETERINARIA 2020. [DOI: 10.2478/fv-2020-0025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Abstract
Muscular samples of the oesophagus and diaphragm of 335 sheep collected from the slaughterhouse of El Harrach were analyzed by the histopathological method to describe the morphology of two species of Sarcocystis: S. arieticanis and S. tenella. The cysts were counted and measured with a micrometer for their dimensions. A total of 895 cysts were measured. The width, length, shape index (length/width), the thickness of the wall and the length of the projections were recorded. The thick-walled cysts of S. tenella were 10—450 μm long (the mean ± SD value was 50.35 μm ± 1.380) and 1—110 μm (the mean ± SD value was 27.51 μm ± 0.533) wide. The cyst walls were 0.5—4 μm thick (the mean ± SD value was 1.547 μm ± 0.020) and provided with radial striations. The shape index was 1—14 μm (the mean ± SD value was 1.93 ± 0.045). While in the S. arieticanis, the cyst wall was thin and had long hair-like protrusions, the cysts measured 8—780 μm (the mean ± SD value was 123.13 μm ± 12.799) in length and 5—100 μm (the mean ± SD value was 37.00 μm ± 1.68) in width. The hair-like protrusions reached a length of 3—14 μm (the mean ± SD value was 5.428 ± 0.353) and the shape index was 1—17 μm (the mean ± SD value was 3.10 ± 0.281). For the length, the width and the shape index, the differences were statistically significant between thin-walled cysts and thick-walled cysts. The general structural features of the cysts, previously described by other authors, were confirmed.
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Gjerde B, de la Fuente C, Alunda JM, Luzón M. Molecular characterisation of five Sarcocystis species in domestic sheep (Ovis aries) from Spain. Parasitol Res 2019; 119:215-231. [PMID: 31734863 DOI: 10.1007/s00436-019-06504-6] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2019] [Accepted: 10/11/2019] [Indexed: 11/24/2022]
Abstract
The major aim of the present study was to determine by molecular methods whether the wide and narrow types of macroscopic sarcocysts in Spanish sheep belonged to different species, that is, Sarcocystis gigantea and Sarcocystis medusiformis, respectively. Additionally, we wanted to identify and characterize molecularly the species forming microscopic sarcocysts and determine the phylogenetic placement of all species found. Portions of the oesophagus, diaphragm and hind legs containing macroscopic sarcocysts were collected from slaughtered culled ewes at an abattoir in the Province of Madrid, Central Spain, but both macroscopic and microscopic sarcocysts were isolated for molecular examination. Genomic DNA from 63 sarcocysts (21 macroscopic, 42 microscopic) were examined at the cytochrome c oxidase subunit I gene (cox1), while selected isolates of each species found were further examined at the 18S and 28S ribosomal RNA (rRNA) genes. The 63 sarcocysts comprised five cox1 sequence types, each corresponding to a particular sarcocyst type, and thus represented five Sarcocystis spp. The slender fusiform and thick macrocysts belonged to S. medusiformis and S. gigantea, respectively. The microscopic sarcocysts belonged to Sarcocystis arieticanis, Sarcocystis tenella and a Sarcocystis mihoensis-like species with slanting thorn-like cyst wall protrusions, which was characterised molecularly for the first time. Based on its phylogenetic position, the S. mihoensis-like species probably uses corvids as definitive hosts.
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Affiliation(s)
- Bjørn Gjerde
- Department of Food Safety and Infection Biology, Faculty of Veterinary Medicine, Norwegian University of Life Sciences, P.O. Box 369 Sentrum, 0102, Oslo, Norway.
| | - Concepción de la Fuente
- Department of Animal Health, Veterinary Faculty, Complutense University of Madrid, Avenida de Puerta de Hierro s/n, 28040, Madrid, Spain
| | - José María Alunda
- Department of Animal Health, Veterinary Faculty, Complutense University of Madrid, Avenida de Puerta de Hierro s/n, 28040, Madrid, Spain
| | - Mónica Luzón
- Department of Animal Health, Veterinary Faculty, Complutense University of Madrid, Avenida de Puerta de Hierro s/n, 28040, Madrid, Spain
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Ota T, Nakano Y, Mizuno T, Shiozaki A, Hori Y, Yamanishi K, Hayakawa K, Hayakawa T, Fujimoto T, Nakamoto C, Maejima K, Wada Y, Terasoma F, Ohnishi T. First Case Report of Possible Sarcocystis truncata-induced Food Poisoning in Venison. Intern Med 2019; 58:2727-2730. [PMID: 31118403 PMCID: PMC6794181 DOI: 10.2169/internalmedicine.2817-19] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Along with the increase in consumption of raw animal meat, the prevalence of food poisoning is increasing. A 67-year-old Japanese man had eaten raw venison 4 hours prior to the beginning of vomiting. Many white cysts were discovered in the venison, with numerous bradyzoites being detected after the cysts were punctured. The presence of the Sarcocystis spp. 18S rRNA gene was detected by polymerase chain reaction, and Sarcocystis truncata was isolated from the venison. Sarcocystis truncata has not previously been identified in sika deer (Cervus nippon) in Japan. This is the first report of possible Sarcocystis truncata-induced food poisoning following consumption of venison.
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Affiliation(s)
- Takayuki Ota
- Department of Internal Medicine, Kinan Hospital, Japan
| | - Yoshio Nakano
- Department of Internal Medicine, Kinan Hospital, Japan
| | | | | | | | | | - Kana Hayakawa
- Department of Internal Medicine, Kinan Hospital, Japan
| | | | | | | | | | | | - Fumio Terasoma
- Wakayama Prefectural Research Center of Environment and Public Health, Japan
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Sudan V, Kumar R, Shanker D, Paliwal S. First report of molecular characterization and phylogenetic analysis of Sarcocystis tenella from India. Parasitol Res 2019; 118:1429-1434. [PMID: 30868294 DOI: 10.1007/s00436-019-06282-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2018] [Accepted: 03/01/2019] [Indexed: 11/30/2022]
Abstract
Sarcocystis tenella is a common tissue coccidian parasite of sheep. It is reported worldwide with high prevalence rate ranging from 9 to 100%. However, there are very limited reports of this parasite from the Indian context and those reports are totally based on the morphology alone. When it comes to molecular characterization, such studies are absent from India. The present communication reports the first characterization study of S. tenella from India. 18S rRNA ribosomal gene and mitochondrial cytochrome c oxidase subunit I (cox1) genes were used for molecular characterization and phylogenetic analysis alongside standard histopathology of sarcocysts. Five Indian isolates were characterized for each gene, and respective sequences were submitted in the NCBI. Two haplotypes were noticed, both for the 18S rRNA and cox1 gene showing 99.8-100.0% and 99.7-100.0% nucleotide homologies within themselves, respectively. When compared with other sequences of S. tenella across the globe, the present isolates showed 93.3-99.9% nucleotide homology based on 18S rRNA gene and 95.2-99.8% nucleotide homology based on cox1 gene, respectively. In both the 18S and cox1 phylogenetic trees, respective sequences of S. tenella were placed with monophyletic cluster which was sister to a cluster comprising of sequences of S. gracilis and S. alces.
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Affiliation(s)
- Vikrant Sudan
- College of Veterinary Sciences &Animal Husbandry, U. P. Pandit Deen Dayal Upadhyaya Pashu Chikitsa Vigyan Vishwavidyalaya Evam Go Anusandhan Sansthan (DUVASU), Mathura, 281001, India.
| | - Rahul Kumar
- College of Veterinary Sciences &Animal Husbandry, U. P. Pandit Deen Dayal Upadhyaya Pashu Chikitsa Vigyan Vishwavidyalaya Evam Go Anusandhan Sansthan (DUVASU), Mathura, 281001, India
| | - Daya Shanker
- College of Veterinary Sciences &Animal Husbandry, U. P. Pandit Deen Dayal Upadhyaya Pashu Chikitsa Vigyan Vishwavidyalaya Evam Go Anusandhan Sansthan (DUVASU), Mathura, 281001, India
| | - Sanjhi Paliwal
- College of Veterinary Sciences &Animal Husbandry, U. P. Pandit Deen Dayal Upadhyaya Pashu Chikitsa Vigyan Vishwavidyalaya Evam Go Anusandhan Sansthan (DUVASU), Mathura, 281001, India
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Honda M, Sawaya M, Taira K, Yamazaki A, Kamata Y, Shimizu H, Kobayashi N, Sakata R, Asakura H, Sugita-Konishi Y. Effects of temperature, pH and curing on the viability of Sarcocystis, a Japanese sika deer (Cervus Nippon centralis) parasite, and the inactivation of their diarrheal toxin. J Vet Med Sci 2018; 80:1337-1344. [PMID: 29973481 PMCID: PMC6115274 DOI: 10.1292/jvms.18-0123] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
Recently, the Sarcocystis parasite in horse and deer meat has been
reported to be a causative agent of acute food poisoning, inducing nausea, vomiting and
diarrhea. Compared with other causative agents, such as bacteria, viruses and other
parasites, in deer meat, the Sarcocystis species parasite, including its
stability under various conditions, is poorly understood. In this study, we assessed the
viability of Sarcocystis spp. and the activity of their diarrhea toxin (a
15-kDa protein) in deer meat under conditions of freezing, cold storage, pH change and
curing. In addition, the heat tolerance was assayed using purified bradyzoites. The
results showed that the species lost viability by freezing at −20, −30 and −80°C for <1
hr, heating at 70°C for 1 min, alkaline treatment (pH 10.0) for 4 days and addition of
salt at 2.0% for <1 day. Immunoblot assays showed that the diarrhea toxin disappeared
together with the loss of viability. However, the parasite survived cooling at 0 and 4°C
and acidification (pH 3.0 and 5.0) for more than 7 days with the diarrhea toxin intact.
These results provide useful information for developing practical applications for the
prevention of food poisoning induced by diarrheal toxin of Sarcocystis
spp. in deer meat during cooking and preservation.
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Affiliation(s)
- Mioko Honda
- Department of Animal Nursing Science, Yamazaki University of Animal Health Technology, 4-7-2 Minami Osawa, Hachioji, Tokyo 192-0364, Japan
| | - Mamoru Sawaya
- Department of Food and Life Science, Azabu University, 1-17-71 Fuchinobe, Chuo-ku, Sagamihara, Kanagawa 252-5201, Japan
| | - Kensuke Taira
- Faculty of Veterinary Medicine, Azabu University, 1-17-71 Fuchinobe, Chuo-ku, Sagamihara, Kanagawa 252-5201, Japan
| | - Akiko Yamazaki
- Department of Veterinary Sciences, University of Iwate, 3-18-8, Ueda, Morioka, Iwate 020-8550, Japan
| | - Yoichi Kamata
- Department of Food Design, Faculty of Nutrition, Koshien University, 10-1 Momijigaoka, Takarazuka, Hyogo 665-0006, Japan
| | - Hideki Shimizu
- Kyonan Public Health Department of Yamanashi Prefecture, 771-2 Kajikazawa, Fujikawa, Minamikoma, Yamanashi 400-0601, Japan
| | - Naoki Kobayashi
- Department of Food and Life Science, Azabu University, 1-17-71 Fuchinobe, Chuo-ku, Sagamihara, Kanagawa 252-5201, Japan
| | - Ryoichi Sakata
- Faculty of Veterinary Medicine, Azabu University, 1-17-71 Fuchinobe, Chuo-ku, Sagamihara, Kanagawa 252-5201, Japan
| | - Hiroshi Asakura
- Division of Biomedical Food Research, National Institute of Health Sciences, 1-18-1 Kamiyoga, Setagaya-ku, Tokyo 158-8501, Japan
| | - Yoshiko Sugita-Konishi
- Department of Food and Life Science, Azabu University, 1-17-71 Fuchinobe, Chuo-ku, Sagamihara, Kanagawa 252-5201, Japan
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Morphological and molecular identification of Sarcocystis spp. from the sika deer (Cervus nippon), including two new species Sarcocystis frondea and Sarcocystis nipponi. Parasitol Res 2018; 117:1305-1315. [PMID: 29484549 DOI: 10.1007/s00436-018-5816-8] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2017] [Accepted: 02/15/2018] [Indexed: 11/27/2022]
Abstract
Diaphragm muscles of 25 sika deer (Cervus nippon) farmed in Lithuania were examined for sarcocysts of Sarcocystis species. Two new Sarcocystis species, Sarcocystis frondea and Sarcocystis nipponi, were observed using light microscopy (LM) and transmission electron microscopy (TEM) and characterized by 18S ribosomal DNA (rDNA) and subunit I of cytochrome c oxidase (cox1) sequence analyses. By LM, sarcocysts of S. frondea and S. nipponi were ribbon-shaped and had finger-like sarcocyst wall protrusions, respectively. Under TEM, protrusions of S. frondea were about 9 × 1-1.5 μm, filled with clearly visible electron-dense substance and microtubules, type 39-like. Whereas, protrusions (about 9 × 0.2 μm) of S. nipponi arose from dome-shaped bases were filled with microtubules extending to the ground substance layer, type 9o-like. Moreover, three known Sarcocystis spp., Sarcocystis entzerothi, Sarcocystis ovalis, and Sarcocystis truncata previously described in other cervids as intermediate hosts, were characterized in sika deer. The cox1 was more suitable than 18S rDNA delimitating closely related Sarcocystis species from cervids. The phylogenetic results suggest that scavenger birds could be definitive hosts of S. frondea. According to the summarized morphological data on Sarcocystis found in the sika deer, such host should harbor at least nine different Sarcocystis species.
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Hu JJ, Huang S, Wen T, Esch GW, Liang Y, Li HL. Sarcocystis spp. in domestic sheep in Kunming City, China: prevalence, morphology, and molecular characteristics. ACTA ACUST UNITED AC 2017; 24:30. [PMID: 28766501 PMCID: PMC5539603 DOI: 10.1051/parasite/2017025] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2017] [Accepted: 06/09/2017] [Indexed: 11/15/2022]
Abstract
Sheep (Ovis aries) are intermediate hosts for at least six named species of Sarcocystis: S. tenella, S. arieticanis, S. gigantea, S. medusiformis, S. mihoensis, and S. microps. Here, only two species, S. tenella and S. arieticanis, were found in 79 of 86 sheep (91.9%) in Kunming, China, based on their morphological characteristics. Four genetic markers, i.e., 18S rRNA gene, 28S rRNA gene, mitochondrial cox1 gene, and ITS-1 region, were sequenced and characterized for the two species of Sarcocystis. Sequences of the three former markers for S. tenella shared high identities with those of S. capracanis in goats, i.e., 99.0%, 98.3%, and 93.6%, respectively; the same three marker sequences of S. arieticanis shared high identities with those of S. hircicanis in goats, i.e., 98.5%, 96.5%, and 92.5%, respectively. No sequences in GenBank were found to significantly resemble the ITS-1 regions of S. tenella and S. arieticanis. Identities of the four genetic markers for S. tenella and S. arieticanis were 96.3%, 95.4%, 82.5%, and 66.2%, respectively.
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Affiliation(s)
- Jun-Jie Hu
- School of Biological Sciences, Yunnan University, Kunming 650091, PR China - Southeast Asia Biodiversity Research Institute, Chinese Academy of Sciences, Yezin, Nay Pyi Taw 05282, Myanmar
| | - Si Huang
- School of Biological Sciences, Yunnan University, Kunming 650091, PR China
| | - Tao Wen
- School of Biological Sciences, Yunnan University, Kunming 650091, PR China
| | - Gerald W Esch
- Department of Biology, Wake Forest University, Winston-Salem, NC 27106, USA
| | - Yu Liang
- School of Biological Sciences, Yunnan University, Kunming 650091, PR China
| | - Hong-Liang Li
- School of Biological Sciences, Yunnan University, Kunming 650091, PR China
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Chen X, Wen T, Hu J, Liu T, Esch GW, Liang Y, Li H, Huang S. Sarcocystis dehongensis n. sp. (Apicomplexa: Sarcocystidae) from water buffalo (Bubalus bubalis) in China. Parasitol Res 2017; 116:2145-2150. [DOI: 10.1007/s00436-017-5515-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2017] [Accepted: 05/22/2017] [Indexed: 10/19/2022]
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Pipia AP, Varcasia A, Zidda A, Dessì G, Panzalis R, Tamponi C, Marrosu R, Tosciri G, Sanna G, Dore F, Chiesa F, Scala A. Cross-sectional investigation on sheep sarcosporidiosis in Sardinia, Italy. VETERINARY PARASITOLOGY- REGIONAL STUDIES AND REPORTS 2016; 3-4:13-17. [PMID: 31014493 DOI: 10.1016/j.vprsr.2016.05.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2015] [Revised: 05/07/2016] [Accepted: 05/16/2016] [Indexed: 10/21/2022]
Abstract
An epidemiological survey on sarcosporidiosis was carried out with a cross sectional investigation on macroscopic and microscopic Sarcocystis spp. in Sarda breed sheep slaughtered in different abbatoirs of Sardinia, Italy. For the macroscopic survey, muscular samples (diaphragm, abdominal and intercostals muscles, cutaneous muscles and muscles of the thigh) from 769 slaughtered Sarda sheep, oesophagus (n=365) and laryngeal and pterygoid muscles (n=521) were macroscopically investigated and Polymerase Chain Reaction (PCR) on selected macroscopic cysts was performed for a molecular identification of macroscopic Sarcocystis species. For the microscopic investigation 112 heart samples from slaughtered Sarda sheep were collected and investigated with two different protocols: unstained (compression) examination and a molecular technique. The overall prevalence of infection for macroscopic forms of sarcocysts was of 23.3% (179/769) with prevalences higher in the oesophagus (31.6%; 125/395) compared with the other investigated tissue type; two different morphotypes, classified as large oval (LO) macroscopic cysts, identified as Sarcocystis gigantea, and slender fusiform (SF) sarcocysts, were identified. The examination of heart samples revealed an overall prevalence of 77.7% (87/112) for Sarcocystis spp.; the nested-PCR analysis of heart samples allowed to identify the microscopic species, Sarcocystis tenella and Sarcocystis arieticanis, with prevalences of 95.5% (107/112) and 17.8% (5/112) respectively. Reported results highlight the high prevalence of Sarcocystis infection in the island and suggests the need of an improvement of control and prevention strategies for this parasitosis.
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Affiliation(s)
- Anna Paola Pipia
- Laboratory of Parasitology, Veterinary Teaching Hospital, Veterinary Department, University of Sassari, Sassari, Italy
| | - Antonio Varcasia
- Laboratory of Parasitology, Veterinary Teaching Hospital, Veterinary Department, University of Sassari, Sassari, Italy.
| | - Antonella Zidda
- Laboratory of Parasitology, Veterinary Teaching Hospital, Veterinary Department, University of Sassari, Sassari, Italy
| | - Giorgia Dessì
- Laboratory of Parasitology, Veterinary Teaching Hospital, Veterinary Department, University of Sassari, Sassari, Italy
| | - Romina Panzalis
- Laboratory of Parasitology, Veterinary Teaching Hospital, Veterinary Department, University of Sassari, Sassari, Italy
| | - Claudia Tamponi
- Laboratory of Parasitology, Veterinary Teaching Hospital, Veterinary Department, University of Sassari, Sassari, Italy
| | | | - Gabriele Tosciri
- Laboratory of Parasitology, Veterinary Teaching Hospital, Veterinary Department, University of Sassari, Sassari, Italy
| | - Giuliana Sanna
- Laboratory of Parasitology, Veterinary Teaching Hospital, Veterinary Department, University of Sassari, Sassari, Italy
| | - Francesco Dore
- Laboratory of Parasitology, Veterinary Teaching Hospital, Veterinary Department, University of Sassari, Sassari, Italy
| | - Francesco Chiesa
- Department of Veterinary Science, University of Torino, Torino, Italy
| | - Antonio Scala
- Laboratory of Parasitology, Veterinary Teaching Hospital, Veterinary Department, University of Sassari, Sassari, Italy
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13
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Kamata Y, Saito M, Irikura D, Yahata Y, Ohnishi T, Bessho T, Inui T, Watanabe M, Sugita-Konishi Y. A toxin isolated from Sarcocystis fayeri in raw horsemeat may be responsible for food poisoning. J Food Prot 2014; 77:814-9. [PMID: 24780337 DOI: 10.4315/0362-028x.jfp-13-351] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Food poisoning has been reported after the consumption of raw horsemeat in Japan. Diarrhea with a short incubation period is a common symptom in such cases of food poisoning. Cysts found in horsemeat ingested by patients have been identified as Sarcocystis fayeri based on morphological and genetic evaluation and findings from experimental feeding of cysts to dogs, which resulted in the excretion of sporocysts. The extracts of the horsemeat containing the cysts produced a positive enterotoxic response in the rabbit ileal loop test. Intravenous injection of a 15-kDa protein isolated from the cysts induced diarrhea and lethal toxicity in rabbits, and the protein produced enterotoxicity in the ileal loop test as did the extracts of the horsemeat containing the cysts. The partial amino acid sequence of the 15-kDa protein was homologous to the actin-depolymerizing factor of Toxoplasma gondii and Eimeria tenella. These findings indicate that the 15-kDa protein of S. fayeri is a toxin that causes food poisoning after consumption of parasitized horsemeat.
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Affiliation(s)
- Yoichi Kamata
- National Institute of Health Sciences, 1-18-1 Kamiyoga, Setagaya-ku, Tokyo 158-8501, Japan; Iwate University, 3-18-8 Ueda, Morioka, Iwate 020-8500, Japan.
| | - Morihiro Saito
- Saitama Meat Inspection Center, 5-18-24 Kamiochiai, Chuo-ku, Saitama 338-0001, Japan
| | - Daisuke Irikura
- National Institute of Health Sciences, 1-18-1 Kamiyoga, Setagaya-ku, Tokyo 158-8501, Japan
| | - Yuichiro Yahata
- National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku-ku, Tokyo 162-8640, Japan
| | - Takahiro Ohnishi
- National Institute of Health Sciences, 1-18-1 Kamiyoga, Setagaya-ku, Tokyo 158-8501, Japan
| | - Tomoaki Bessho
- Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku, Sakai 599-8531, Japan
| | - Takashi Inui
- Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku, Sakai 599-8531, Japan
| | - Maiko Watanabe
- National Institute of Health Sciences, 1-18-1 Kamiyoga, Setagaya-ku, Tokyo 158-8501, Japan
| | - Yoshiko Sugita-Konishi
- National Institute of Health Sciences, 1-18-1 Kamiyoga, Setagaya-ku, Tokyo 158-8501, Japan
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14
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Formisano P, Aldridge B, Alony Y, Beekhuis L, Davies E, Del Pozo J, Dunn K, English K, Morrison L, Sargison N, Seguino A, Summers BA, Wilson D, Milne E, Beard PM. Identification of Sarcocystis capracanis in cerebrospinal fluid from sheep with neurological disease. Vet Parasitol 2013; 193:252-5. [PMID: 23312871 DOI: 10.1016/j.vetpar.2012.12.016] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2012] [Revised: 12/08/2012] [Accepted: 12/11/2012] [Indexed: 01/09/2023]
Abstract
Protozoal merozoites were identified in the cerebrospinal fluid of two sheep with neurological disease in the UK. Polymerase chain reaction (PCR) identified the merozoites as Sarcocystis capracanis, a common protozoal pathogen of goats. This is the first report of this species infecting sheep and may represent an aberrant infection with sheep acting as dead end hosts, or alternatively could indicate that sheep are able to act as intermediate hosts for S. capracanis, widening the previously reported host range of this pathogen. It is possible that S. capracanis is a previously unrecognised cause of ovine protozoal meningoencephalitis (OPM) in the UK.
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Affiliation(s)
- P Formisano
- Royal (Dick) School of Veterinary Studies and The Roslin Institute, University of Edinburgh, Easter Bush, Midlothian EH25 9RG, United Kingdom
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15
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SAITO M. Food Poisoning Caused by Sarcocystis fayeri Associated with Ingestion of Raw Horse Meat. ACTA ACUST UNITED AC 2012. [DOI: 10.2743/jve.16.114] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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16
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Odening K. The present state of species-systematics in Sarcocystis Lankester, 1882 (Protista, Sporozoa, Coccidia). Syst Parasitol 1998. [DOI: 10.1023/a:1006090232343] [Citation(s) in RCA: 94] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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