Molecular characterization of Cryptosporidium spp. in grazing beef cattle in Japan

Murakoshi, Fumi; Xiao, Lihua; Matsubara, Ryuma; Sato, Rintaro; Kato, Yukie; Sasaki, Takayoshi; Fukuda, Yasuhiro; Tada, Chika; Nakai, Yutaka

doi:10.1016/j.vetpar.2011.12.011

Cited by 38 publications

(26 citation statements)

References 41 publications

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“…C. bovis was the most prevalent species in this province, which is consistent with results from a study in Heilongjiang Province, north-eastern China (Zhang et al, 2013), but different from those from a study in Henan Province in which C. parvum was the predominant species in pre-weaned calves (Wang et al, 2011b). C. parvum, one of the most important Cryptosporidium species in regard to public health (Petry et al, 2010), is a common species in preweaned cattle around the world (Xiao, 2010;Murakoshi et al, 2012), including some provinces of China (Wang et al, 2011b;Zhang et al, 2013). However, this species was not detected in the present study.…”

Section: Discussionsupporting

confidence: 67%

“…The absence of C. parvum has been shown in native breeds of cattle in developing countries (Maikai et al, 2011;Feng et al, 2012;Nguyen et al, 2012). However, in industrialized nations, beef calves raised under traditional animal husbandry do not usually have C. parvum (Feltus et al, 2008;Fayer et al, 2010;Murakoshi et al, 2012). Two reasons may explain the absence of C. parvum in this study.…”

Section: Discussionmentioning

confidence: 73%

“…CRType I was found in both dairy and beef cattle, and has been reported as the only type in pre-weaned dairy cattle in Heilongjiang and Henan provinces (Wang et al, 2011b;Zhang et al, 2013). CRType II has been reported in dairy calves younger than 4 months in Poland and post-weaned beef cattle in Japan (Murakoshi et al, 2012;Rzeżutka & Kaupke, 2013). CRTypes III and IV are new types found only in pre-weaned dairy cattle in Shaanxi Province.…”

Section: Discussionmentioning

confidence: 99%

“…C. ryanae and C. bovis have been identified as the dominant species in cattle older than 6 months, and C. parvum as the species most common in pre-weaned dairy calves in the USA (Fayer et al, 2006Santín et al, 2008). However, the succession according to the age of dairy calves is different according to geographical area and calf management system Murakoshi et al, 2012). In the present study, C. bovis, C. andersoni and C. ryanae were observed in pre-weaned cattle in Shaanxi Province.…”

Section: Discussionmentioning

confidence: 99%

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Molecular characterization of Cryptosporidium spp. in pre-weaned calves in Shaanxi Province, north-western China

Fang

Wang

et al. 2015

Journal of Medical Microbiology

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Section: Discussionsupporting

confidence: 67%

Section: Discussionmentioning

confidence: 73%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

See 2 more Smart Citations

Molecular characterization of Cryptosporidium spp. in pre-weaned calves in Shaanxi Province, north-western China

Fang

Wang

et al. 2015

Journal of Medical Microbiology

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“…Porcentagens de positividade superiores à evidenciada neste estudo, foram detectadas (FOLLET, et al, 2011;MURAKOSHI, et al, 2012).…”

Section: Resultsunclassified

Caracterização molecular de Cryptosporidium spp. em bezerros (Bos taurus e Bos indicus) no município de Formiga, Minas Gerais - Brasil

et al. 2013

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Assessing calves as carriers ofCryptosporidiumandGiardiawith zoonotic potential on dairy and beef farms within a water catchment area by mutation scanning

et al. 2013

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In the present study, we undertook a molecular epidemiological survey of Cryptosporidium and Giardia in calves on three dairy and two beef farms within an open drinking water catchment area (Melbourne, Australia). Faecal samples (n = 474) were collected from calves at two time points (5 months apart) and tested using a PCR-based mutation scanning-targeted sequencing phylogenetic approach, employing regions within the genes of small subunit (SSU) of ribosomal RNA (designated partial SSU), 60 kDa glycoprotein (pgp60) and triose phosphate isomerase (ptpi) as genetic markers. Using partial SSU, the C. bovis, C. parvum, C. ryanae and a new genotype of Cryptosporidium were characterised from totals of 74 (15.6%), 35 (7.3%), 37 (7.8%) and 9 (1.9%) samples, respectively. Using pgp60, C. parvum genotype IIa subgenotype A18G3R1 was detected in 29 samples. Using ptpi, G. duodenalis assemblages A and E were detected in totals of 10 (2.1%) and 130 (27.4%) samples, respectively. The present study showed that a considerable proportion of dairy and beef calves in this open water catchment region excreted Cryptosporidium (i.e. subgenotype IIaA18G3R1) and Giardia (e.g. assemblage A) that are consistent with those infecting humans, inferring that they are of zoonotic importance. Future work should focus on exploring, in a temporal and spatial way, whether these parasites occur in the environment and water of the catchment reservoir.

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Molecular characterization of Cryptosporidium spp. in grazing beef cattle in Japan

Cited by 38 publications

References 41 publications

Molecular characterization of Cryptosporidium spp. in pre-weaned calves in Shaanxi Province, north-western China

Molecular characterization of Cryptosporidium spp. in pre-weaned calves in Shaanxi Province, north-western China

Caracterização molecular de Cryptosporidium spp. em bezerros (Bos taurus e Bos indicus) no município de Formiga, Minas Gerais - Brasil

Assessing calves as carriers ofCryptosporidiumandGiardiawith zoonotic potential on dairy and beef farms within a water catchment area by mutation scanning

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