Genetic diversity of Anaplasma marginale in Argentina

Ruybal, Paula; Moretta, Rosalía; Pérez, Andrés; Petrigh, Romina Sandra; Zimmer, Patricia Andrea; Alcaraz, E.; Echaide, Ignacio; Echaide, Susana Torioni de; Kocan, Katherine M.; Fuente, José de la; Farber, Marisa Diana

doi:10.1016/j.vetpar.2009.02.006

Cited by 51 publications

(41 citation statements)

References 17 publications

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“…The τ-10-15 strain previously had been described in cattle from Brazil (VIDOTTO et al, 2006;SILVA et al, 2015a, b), and the strain α-β 3 -Γ had been detected in cattle in Argentina (RUYBAL et al, 2009), Mexico (ALMAZÁN et al, 2008, Taiwan and Brazil (SILVA et al, 2015b), countries where bovine anaplasmosis is an endemic disease. In the present study, the most commonly observed tandem repeats of the MSP1a were α, β and τ.…”

Section: Discussionmentioning

confidence: 98%

“…These results support previous studies on the A. marginale strains that circulate in South America, which show the most common tandem repeats are 4, 8, 16, 56, 60, 64, 67, α, β, γ, π and τ (ESTRADA-PEÑA et al, 2009;SILVA et al, 2015a, b). In addition, for the isolates described from South America, the most common tandem repeats in the first repetition are 4, 16, 72, α and τ in Brazil (VIDOTTO et al, 2006;POHL et al, 2013;SILVA et al, 2015a, b) and α, τ and B in Argentina (RUYBAL et al, 2009). Previous studies have associated the presence of the strain α-β 3 -Γ with the occurrence of clinical anaplasmosis in Mexico (ALMAZÁN et al, 2008) and Brazil (SILVA et al, 2015b); however, the present study is the first that associates the occurrence of the τ-10-15 strain with animal mortality.…”

Section: Discussionmentioning

confidence: 99%

“…The α-β 3 -Γ and τ-10-15 strains have been previously described in outbreaks of bovine anaplasmosis in Mexico (ALMAZÁN et al, 2008) and Argentina (RUYBAL et al, 2009). In addition, the 72-62-61 strain has been reported as the most common in a cattle herd from the state of Minas Gerais, Brazil (POHL et al, 2013).…”

Section: Introductionmentioning

confidence: 98%

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Outbreak of anaplasmosis associated with the presence of different Anaplasma marginale strains in dairy cattle in the states of São Paulo and Goiás, Brazil

Machado

Silva

André

et al. 2015

Rev. Bras. Parasitol. Vet.

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The present study reports the genetic diversity of Anaplasma marginale during anaplasmosis outbreaks in rural properties of the states of Goiás and São Paulo, Brazil. Mortality rates of 3.5% (37/1,050) in calves, 4.7% (45/954) in heifers and 1.1% (25/2,200) in lactating cows were observed in a cattle herd of the municipality of Mambaí, state of Goiás, central-western Brazil. In a cattle herd from the municipality of Lins, state of São Paulo, in southeastern Brazil, none of the animals died, despite presenting clinical signs suggestive of bovine anaplasmosis and exhibiting a drastic decrease in milk production. Thus, blood samples were collected from 100 animals with clinical signs suggestive of bovine anaplasmosis in the municipalities of Mambaí and Lins. Based on the microsatellite structure of the MSP1a of A. marginale, the genotypes E and H were observed in Lins, and the C, D and E genotypes were found in Mambaí. The analysis of the tandem repeat structures of the MSP1a showed nine different strains (τ-10 -15, α-β 2 , α-β 3 -13, α-β 2 192, τ-β-100, α-β 2 -Γ, 193-β-100, 191-13-Γ and 191-13-18) in Lins and two (α-β 3 -Γ and E-F-φ 2 -F 2 ) in Mambaí. Three new tandem repeats of MSP1a (191, 192 and 193) were described. The τ-10-15 and α-β 3 -Γ strains were predominantly associated with the occurrence of clinical anaplasmosis and mortality in calves, heifers and lactating cows.

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Section: Discussionmentioning

confidence: 98%

Section: Discussionmentioning

confidence: 99%

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Outbreak of anaplasmosis associated with the presence of different Anaplasma marginale strains in dairy cattle in the states of São Paulo and Goiás, Brazil

Machado

Silva

André

et al. 2015

Rev. Bras. Parasitol. Vet.

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“…A higher prevalence of T. annulata infections in bovines was recorded as 14.65 % Singh et al (2012c) and 15.38 % (Haque et al 2012) in Punjab where H. a. anatolicum is the major tick species and most of the dairy animals are either exotic breed or cross breed. Bovine anaplasmosis, caused by A. marginale, is an important rickettsial disease, transmitted to cattle biologically by ticks and mechanically by biting flies and blood contaminated fomites causing significant economic losses in tropical and subtropical areas of world (Ruybal et al 2009). However, the prevalence depends largely on the distribution and density of the reservoir hosts and tick vectors (Ogden et al 2002).…”

Section: Discussionmentioning

confidence: 99%

Seasonal incidence of parasitic diseases in bovines of south western Gujarat (Junagadh), India

et al. 2015

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The current study was conducted to investigate the incidence of parasitic diseases in bovines which were sick and brought at veterinary hospital for treatment. A total of 366 samples were investigated from cattle (n = 175) and buffaloes (n = 191) presented at Teaching Veterinary Clinical Complex (TVCC), Veterinary College, Junagadh, Gujarat during January to December 2014. Examination of Giemsa-stained peripheral blood smears exhibited that 58.6 % of cattle and 41.2 % of buffaloes were infected with haemoparasites comprising Babesia bigemina, Theileria annulata, and Anaplasma marginale @ of 54.0, 3.4 and 1.1 in cattle and 38.8, 1.2 and 1.2 percent in buffaloes, respectively. The incidence of total haemoparasites and B. bigemina infections was significantly higher (p \ 0.05) in cattle whereas, incidence of haemoparasites were recorded significantly higher in the month of July to November (i.e., rainy and autumn) in both cattle and buffaloes, respectively (p \ 0.01 and p \ 0.001). Coprological examination revealed that the overall incidence of gastrointestinal (GI) parasitic infection was 45.5 % in cattle and 43.4 % in buffaloes. The incidence of individual parasite was 11.4, 1.1, 2.3, 4.5, 1.1, 3.4, 2.3 and 19.3 in cattle and 4.7, 0.9, 0.0, 2.8, 0.9, 5.7, 0.0 and 28.3 % in buffaloes for Eimeria spp., Trichuris spp., Toxocara vitulorum, Strongyle, Fasciola spp., amphistomes, Schistosoma indicum and Buxtonella sulcata, respectively which differ insignificantly (p [ 0.05). Seasonal prevalence of GI parasites was highest in summer in both cattle and buffaloes, the data being statistically non-significant (p [ 0.05). However, the incidence of B. sulcata in both cattle (19.3 %) and buffaloes (28.3 %) was higher in comparisons to other GI parasites. The present investigation emphasized that B. bigemina and B. sulcata are the most important parasites of bovines of this region.

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“…Anaplasma is globally the most prevalent tick-borne pathogen of cattle and has a worldwide distribution with regions of endemicity on six continents (Futse et al, 2003) and high incidence in tropical and subtropical regions of the world (De La Fuente et al, 2005;Torina et al, 2008;Gokce et al, 2008;Ooshiro et al, 2009;Ruybal et al, 2009). A. centrale is widely distributed but has never been reported in North Africa, it has been reported only in South Africa (OIE, 2008).…”

Section: Introductionmentioning

confidence: 99%

Molecular and serological prevalence of Anaplasma marginale in cattle of North Central Morocco

Hamou

Rahali

Sahibi

et al. 2012

Research in Veterinary Science

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Genetic diversity of Anaplasma marginale in Argentina

Cited by 51 publications

References 17 publications

Outbreak of anaplasmosis associated with the presence of different Anaplasma marginale strains in dairy cattle in the states of São Paulo and Goiás, Brazil

Outbreak of anaplasmosis associated with the presence of different Anaplasma marginale strains in dairy cattle in the states of São Paulo and Goiás, Brazil

Seasonal incidence of parasitic diseases in bovines of south western Gujarat (Junagadh), India

Molecular and serological prevalence of Anaplasma marginale in cattle of North Central Morocco

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