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1. Acquisition and transmission of Hepatozoon canis (Apicomplexa: Hepatozoidae) by the tick Amblyomma ovale (Acari: Ixodidae)

Author:
Rubini, A.S.; Paduan, K.S.; Martins, T.F.; Labruna, M.B.; O'Dwyer, L.H.
Source:
Veterinary parasitology 2009 v.164 no.2-4 pp. 324-327
ISSN:
0304-4017
Subject:
vector competence; dogs; dog diseases; Amblyomma; Hepatozoon canis; protozoal infections; nucleotide sequences; pathogen identification; host-parasite relationships; disease transmission; oocysts; hemolymph; gametocytes; polymerase chain reaction; sequence analysis; Brazil
Abstract:
... The present study aimed to evaluate under controlled conditions the acquisition of Hepatozoon canis by Amblyomma ovale after feeding on infected dogs, and the subsequent induction of infection in uninfected dogs that ingested the experimentally infected ticks. Two H. canis naturally infected dogs were infested with A. ovale adult ticks derived from an uninfected laboratory tick colony. After feedi ...
DOI:
10.1016/j.vetpar.2009.05.009
PubMed:
19501969

2. Analysis of 16S rDNA sequences from citrus huanglongbing bacteria reveal a different "Ca. Liberibacter" strain associated with citrus disease in Sao Paulo

Author:
Coletta-Filho, H.D.; Takita, M.A.; Targon, M.L.P.N.; Machado, M.A.
Source:
Plant disease 2005 v.89 no.8 pp. 848-852
ISSN:
0191-2917
Subject:
plant pathogenic bacteria; pathogen identification; ribosomal DNA; sequence analysis; greening disease; disease detection; Citrus sinensis; oranges; fruit trees; host plants; polymerase chain reaction; DNA primers; nucleotide sequences; Brazil
Abstract:
... Citrus huanglongbing (HLB, ex greening) is one of the most serious and destructive citrus diseases in the world. It is caused by a phloem-limited and nonculturable bacterium, “Candidatus Liberibacter”. The disease occurs in some Asian and African countries and recently has been reported in the state of São Paulo, Brazil. Analysis of the 16S ribosomal (r)DNA of the HLB bacteria from orchards in São ...
DOI:
10.1094/PD-89-0848

3. Anamorphic stage of Erysiphe australiana causing powdery mildew on Lagerstroemia indica in Brazil

Author:
Liberato, J.R.; Barreto, R.W.
Source:
Plant pathology 2004 v.53 no.6 pp. 808
ISSN:
0032-0862
Subject:
Erysiphe; anamorphs; fungal anatomy; pathogen identification; powdery mildew; Lagerstroemia indica; ornamental plants; host plants; new host records; new geographic records; Brazil
DOI:
10.1111/j.1365-3059.2004.01088.x

4. An Outbreak of Orthopoxvirus-Associated Disease in Horses in Southern Brazil

Author:
Mário, C. S. Brum; Bruno, Leite dos Anjos; Carlos, E. W. Nogueira; Amaral, Lorena A.; Weiblen, Rudi; Flores, Eduardo F.
ISSN:
1040-6387
Subject:
horse diseases; disease outbreaks; Orthopoxvirus; vertebrate viruses; viral diseases of animals and humans; skin diseases; mares; foals; signs and symptoms (animals and humans); disease course; pathogen identification; disease diagnosis; histology; polymerase chain reaction; microbial genetics; nucleotide sequences; new geographic records; Brazil
Abstract:
... An outbreak of severe cutaneous disease associated with an orthopoxvirus in horses in southern Brazil is described. Fourteen Crioulo mares and foals from a husbandry farm developed papules, and vesicles progressing to proliferative and exudative lesions on the muzzle, external nares, and external and internal lips. The vesicles eroded, and the proliferative lesions eventually bled and progressed t ...
DOI:
10.1177/104063871002200132
PubMed:
20093706

5. Ants (Hymenoptera: Formicidae) as Carriers of Fungi in Hospital Environments: An Emphasis on the Genera Tapinoma and Pheidole

Author:
Pantoja, L.D.M.; Moreira Filho, R.E.; Brito, E.H.S.; Aragao, T.B.; Brilhante, R.S.N.; Cordeiro, R.A.; Rocha, M.F.G.; Monteiro, A.J.; Quinet, Y.P.; Sidrim, J.J.C.
Source:
Journal of medical entomology 2009 v.46 no.4 pp. 895-899
ISSN:
0022-2585
Subject:
Pheidole; insect pests; yeasts; Tapinoma; bait traps; disease transmission; insect vectors; animal pathogenic fungi; surfaces; pathogen identification; diurnal variation; airborne microorganisms; Brazil
Abstract:
... The aim of this study was to evaluate the presence of filamentous fungi and yeasts on the external surface of ants at hospitals. From March 2007 to February 2008, 2,899 ants were evaluated in two public hospitals in the city of Fortaleza, Ceará, in northeastern Brazil. The ants were attracted by nontoxic baits, distributed within critical and semicritical hospital areas. The fungi were identified ...
DOI:
10.1603/033.046.0423
PubMed:
19645295

6. A preliminary investigation of Ehrlichia species in ticks, humans, dogs, and capybaras from Brazil

Author:
Labruna, M.B.; McBride, J.W.; Camargo, L.M.A.; Aguiar, D.M.; Yabsley, M.J.; Davidson, W.R.; Stromdahl, E.Y.; Williamson, P.C.; Stich, R.W.; Long, S.W.
Source:
Veterinary parasitology 2007 v.143 no.2 pp. 189-195
ISSN:
0304-4017
Subject:
epidemiological studies; disease reservoirs; ticks; disease vectors; disease detection; humans; dogs; polymerase chain reaction; pathogen identification; molecular epidemiology; Hydrochoerus hydrochaeris; ehrlichiosis; Ehrlichia canis; tick bites; Brazil; Amazonia
Abstract:
... A molecular epidemiologic investigation in two Brazilian states (Rondonia and Sao Paulo) was undertaken to determine if Ehrlichia species responsible for human and animal ehrlichioses in North America could be found in Brazilian vectors, potential natural mammalian reservoirs and febrile human patients with a tick bite history. Samples, including 376 ticks comprising 9 Amblyomma species, 29 capyba ...
DOI:
10.1016/j.vetpar.2006.08.005

7. Babesia gibsoni genotype Asia in dogs from Brazil

Author:
Trapp, S.M.; Messick, J.B.; Vidotto, O.; Jojima, F.S.; Morais, H.S.A. de
Source:
Veterinary parasitology 2006 v.141 no.1-2 pp. 177-180
ISSN:
0304-4017
Subject:
babesiosis; ribosomal DNA; dogs; pathogen identification; genotype; nucleotide sequences; molecular systematics; sequence homology; Babesia gibsoni; Brazil
DOI:
10.1016/j.vetpar.2006.04.036

8. Binucleate Rhizoctonia sp. AG G causing root rot in yacon (Smallanthus sonchifolius) in Brazil

Author:
Fenille, R.C.; Ciampi, M.B.; Souza, N.L.; Nakatani, A.K.; Kuramae, E.E.
Source:
Plant pathology 2005 v.54 no.3 pp. 325-330
ISSN:
0032-0862
Subject:
sequence analysis; fungal anatomy; random amplified polymorphic DNA technique; Rhizoctonia; Polymnia; ribosomal DNA; host plants; internal transcribed spacers; pathogen identification; pathogenicity; Smallanthus sonchifolius; plant pathogenic fungi; root rot; Brazil
DOI:
10.1111/j.1365-3059.2005.01161.x

9. Biological and molecular properties of Tomato rugose mosaic virus (ToRMV), a new tomato-infecting begomovirus from Brazil

Author:
Fernandes, J.J.; Carvalho, M.G.; Andrade, E.C.; Brommonschenkel, S.H.; Fontes, E.P.B.; Zerbini, F.M.
Source:
Plant pathology 2006 v.55 no.4 pp. 513-522
ISSN:
0032-0862
Subject:
Solanum lycopersicum var. lycopersicum; tomatoes; Begomovirus; plant viruses; pathogenicity; signs and symptoms (plants); Aleyrodidae; insect vectors; Nicotiana benthamiana; polymerase chain reaction; pathogen identification; nucleotide sequences; microbial genetics; genome; alternative hosts; new geographic records; disease course; disease transmission; Solanum tuberosum; potatoes; Datura stramonium; Nicandra physalodes; beans; Phaseolus vulgaris; Brazil
Abstract:
... A viral complex causing golden mosaic and leaf distortion (rugosity) in tomato plants was obtained from viruliferous whiteflies, and named TGV-Ub1. This complex was sap-transmitted from tomato to Nicotiana benthamiana. PCR amplification using universal begomovirus primers yielded two distinct fragments for DNA-A, suggesting that the TGV-Ub1 complex comprised at least two distinct viruses. Clones c ...
DOI:
10.1111/j.1365-3059.2006.01395.x

10. Black rot in lettuce: a new disease caused by Ceratocystis fimbriata in hydroponic culture in Brazil

Author:
Halfeld-Vieira, B.A.; Nechet, K.L.
Source:
Plant pathology 2006 v.55 no.2 pp. 300
ISSN:
0032-0862
Subject:
plant rots; Ceratocystis fimbriata; plant pathogenic fungi; fungal anatomy; pathogen identification; pathogenicity; Lactuca sativa; lettuce; host plants; hydroponics; new geographic records; new host records; Brazil
DOI:
10.1111/j.1365-3059.2005.01307.x

11. Canine babesiosis caused by Babesia canis vogeli in rural areas of the State of Minas Gerais, Brazil and factors associated with its seroprevalence

Author:
Costa-Junior, L.M.; Ribeiro, M.F.B.; Rembeck, K.; Rabelo, E.M.L.; Zahler-Rinder, M.; Hirzmann, J.; Pfister, K.; Passos, L.M.F.
Source:
Research in veterinary science 2009 v.86 no.2 pp. 257-260
ISSN:
0034-5288
Subject:
disease vectors; Rhipicephalus microplus; seasonal variation; rural areas; animal age; seroprevalence; Rhipicephalus sanguineus; ambient temperature; Babesia canis; epidemiological studies; babesiosis; dogs; risk factors; pathogen identification; tick infestations; Amblyomma cajennense; dog diseases; disease prevalence; geographical variation; disease incidence; Brazil
Abstract:
... This epidemiological survey on canine babesiosis was carried out in three distinct rural regions (Lavras, Belo Horizonte and Nanuque) of the State of Minas Gerais, Brazil. Ticks and blood samples were collected during a dry season (Lavras, n = 92; Belo Horizonte, n = 50; Nanuque, n = 102) and the subsequent rainy season (Lavras, n = 71; Belo Horizonte, n = 28; Nanuque, n = 66) from dogs living on ...
DOI:
10.1016/j.rvsc.2008.07.002
PubMed:
18723199

12. Canine visceral leishmaniasis in urban and rural areas of Northeast Brazil

Author:
Queiroz, Paula V.S.; Monteiro, Gloria R.G.; Macedo, Virginia P.S.; Rocha, Maria A.C.; Batista, Leopoldina M.M.; Queiroz, Jose W.; Jeronimo, Selma M.B.; Ximenes, Maria F.F.M.
Source:
Research in veterinary science 2009 v.86 no.2 pp. 267-273
ISSN:
0034-5288
Subject:
disease vectors; Lutzomyia longipalpis; Leishmania donovani; insect surveys; urban areas; visceral leishmaniasis; rural areas; seroprevalence; risk assessment; epidemiological studies; dogs; pathogen identification; molecular epidemiology; disease surveillance; disease reservoirs; zoonoses; dog diseases; disease prevalence; geographical variation; signs and symptoms (animals and humans); Brazil
Abstract:
... The purpose of this study was to determine the clinical and laboratory profiles of canine leishmaniasis in two distinct areas. Dogs from urban and rural areas were examined. The population studied in the metropolitan area included 54 dogs. Of these, 20 (37%) animals did not present with any signs suggestive of visceral leishmaniasis (VL). Among these, only eight were confirmed negative by ELISA (r ...
DOI:
10.1016/j.rvsc.2008.07.014
PubMed:
18804826

13. Canine visceral leishmaniosis in Anastacio, Mato Grosso do Sul state, Brazil

Author:
Cortada, V.M.C.L.; Doval, M.E.C.; Souza Lima, M.A.A.; Oshiro, E.T.; Meneses, C.R.V.; Abreu-Silva, A.L.; Cupolilo, E.; Souza, C.S.F.; Cardoso, F.O.; Zaverucha do Valle, T.
Source:
Veterinary research communications 2004 v.28 no.5 pp. 365-374
ISSN:
0165-7380
Subject:
visceral leishmaniasis; Leishmania donovani; dog diseases; dogs; serodiagnosis; disease prevalence; seroprevalence; antibody detection; fluorescent antibody technique; pathogen identification; zoonoses; geographical distribution; disease outbreaks; blood serum; histopathology; dermis; liver; bone marrow; Brazil
DOI:
10.1023/B:VERC.0000035014.80785.b7

14. Characterization of Potato rough dwarf virus and Potato virus P: distinct strains of the same viral species in the genus Carlavirus

Author:
Nisbet, C.; Butzonitch, I.; Colavita, M.; Daniels, J.; Martin, J.; Burns, R.; George, E.; Akhond, M.A.Y.; Mulholland, V.; Jeffries, C.J.
Source:
Plant pathology 2006 v.55 no.6 pp. 803-812
ISSN:
0032-0862
Subject:
coat proteins; Potato virus P; serodiagnosis; host plants; strain differences; Solanum tuberosum; bioassays; pathogen identification; amino acid sequences; potatoes; molecular systematics; nucleotide sequences; DNA-binding proteins; disease resistance; microbial genetics; Argentina; Brazil
Abstract:
... In an attempt to resolve whether two putative carlaviruses, potato rough dwarf virus (PRDV) and potato virus P (PVP), reported infecting potato in Argentina and Brazil, respectively, are the same virus in the genus Carlavirus, they were characterized using nucleotide sequence analysis, serology and bioassay. For PRDV and PVP, sequences of 2016 and 1492 bp, respectively, were obtained. Similarity s ...
DOI:
10.1111/j.1365-3059.2006.01448.x

15. Citrus Leprosis: Centennial of an Unusual Mite–Virus Pathosystem

Author:
Bastianel, Marines; Novelli, Valdenice M.; Kitajima, Elliot W.; Kubo, Karen S.; Bassanezi, Renato B.; Machado, Marcos A.; Freitas-Astua, Juliana
Source:
Plant disease 2010 v.94 no.3 pp. 284-292
ISSN:
0191-2917
Subject:
plant viruses; geographical distribution; plant diseases and disorders; citrus fruits; insect pests; signs and symptoms (plants); plant pests; disease control; disease transmission; insect vectors; pathogen identification; Citrus; Brevipalpus; microbial genetics; disease diagnosis; Brazil; Central America
DOI:
10.1094/PDIS-94-3-0284

16. Coffee Dieback Caused by Lasiodiplodia pseudotheobromae in Brazil

Author:
Freitas-Lopes, Rejane do Livramento; Machado, Alexandre Reis; Lopes, Ueder Pedro
Source:
Plant disease 2020 v.104 no.3 pp. 980
ISSN:
0191-2917
Subject:
Bayesian theory; Coffea arabica; Lasiodiplodia; altitude; conidia; crop production; culture media; death; dieback; disease control; genetic databases; greenhouses; internal transcribed spacers; leaves; mycelium; pathogen identification; pathogenicity; peptide elongation factors; phylogeny; pigmentation; plant pathogenic fungi; plantations; pycnidia; ribosomal DNA; stems; Brazil
Abstract:
... Coffea arabica is the most important coffee species cultivated worldwide. Although many diseases are known to affect coffee plantations, few pathogens have been reported to cause the death of plants. In 2019, in two growing areas (0.3 and 1 ha) of C. arabica cv. Catuaí 144, in Brejão, Pernambuco, Brazil (8°57′28″S; 36°32′00″W; altitude 750 m), 2% of 3-year-old plants showed dieback symptoms. Infec ...
DOI:
10.1094/PDIS-09-19-1957-PDN

17. Comparative Histopathological Study of Sporotrichosis and American Tegumentary Leishmaniosis in Dogs from Rio de Janeiro

Author:
Miranda, L.H.M.; Quintella, L.P.; Santos, I.B.; Oliveira, R.V.C.; Menezes, R.C.; Figueiredo, F.B.; Schubach, T.M.P.
Source:
Journal of comparative pathology 2010 v.143 no.1 pp. 1-7
ISSN:
0021-9975
Subject:
diagnostic techniques; skin diseases; mycoses; Sporothrix schenckii; cutaneous leishmaniasis; lymphocytes; macrophages; lesions (animal); dogs; granuloma; pathogen identification; animal pathogenic fungi; pets; histopathology; disease diagnosis; Leishmania; dog diseases; inflammation; neutrophils; Brazil
DOI:
10.1016/j.jcpa.2009.12.010

18. Conidiobolomycosis in Sheep in Brazil

Author:
Silva, S. M. M. S.; Castro, R. S.; Costa, F. A. L.; Vasconcelos, A. C.; Batista, M. C. S.; Riet-Correa, F.; Carvalho, E. M. S.
ISSN:
1544-2217
Subject:
Conidiobolus coronatus; lesions (animal); sheep; pathogen identification; mycoses; histopathology; Brazil
Abstract:
... Conidiobolomycosis is reported in the state of Piauí, in the semiarid region of northeastern Brazil. Affected sheep had depression, weight loss, serous or mucohemorrhagic nasal discharge, and cranium-facial asymmetry from exophthalmos of 1 eye, generally with increased volume of the eyeball, keratitis, and corneal ulceration. At necropsy of 60 sheep, friable masses were observed in the posterior r ...
DOI:
10.1354/vp.44-3-314
PubMed:
17491072

19. Corynespora cassiicola causes leaf spots on the ornamental plant Allamanda cathartica in Brazil

Author:
Ribeiro, N. A. S.; Silva, A. L.; Sarmiento, S. S.; Barreto, R. W.
Source:
Australasian plant disease notes 2018 v.13 no.1 pp. 9
ISSN:
1833-928X
Subject:
Allamanda cathartica; Corynespora cassiicola; center of origin; fungi; leaf spot; ornamental plants; pathogen identification; pathogenicity; Brazil
Abstract:
... The necrotrophic leaf spot fungus Corynespora cassiicola is recorded for the first time attacking Allamanda cathartica in the host’s center of origin in Brazil. The pathogen was identified using morphological features as well as molecular analysis and its pathogenicity was confirmed by fulfilling Koch’s postulates. ...
DOI:
10.1007/s13314-018-0292-7

20. Cross-sectional serological study of canine Leishmania infection in Fortaleza, Ceará state, Brazil

Author:
Rondon, F.C.M.; Bevilaqua, C.M.L.; Franke, C.R.; Barros, R.S.; Oliveira, F.R.; Alcântara, A.C.; Diniz, A.T.
Source:
Veterinary parasitology 2008 v.155 no.1-2 pp. 24-31
ISSN:
0304-4017
Subject:
dogs; dog diseases; Leishmania donovani; animal pathogens; visceral leishmaniasis; emerging diseases; seroprevalence; disease reservoirs; risk factors; disease incidence; stray animals; zoonoses; enzyme-linked immunosorbent assay; antigens; disease diagnosis; pathogen identification; geographical variation; dog breeds; breed differences; animal age; vegetation; signs and symptoms (animals and humans); seasonal variation; Brazil
Abstract:
... Visceral leishmaniasis (VL) is one of the most important reemerging parasitic disease in the world. The domestic dog is the main reservoir in urban environments. The aim of this work was to extend the knowledge on canine Leishmania infection in the city of Fortaleza in northeastern Brazil, identifying the risk factors inherent in dog susceptibility to the infection. Two populations were analyzed, ...
DOI:
10.1016/j.vetpar.2008.04.014
PubMed:
18565676