Armanda Bastos

Summary

Affiliation: University of Pretoria
Location: Pretoria, South Africa
URL: http://www.up.ac.za/zoology/staff.php?person=126

Publications

  1. ncbi request reprint Co-circulation of two genetically distinct viruses in an outbreak of African swine fever in Mozambique: no evidence for individual co-infection
    A D S Bastos
    Department of Zoology and Entomology, Mammal Research Institute, University of Pretoria, Pretoria 0002, South Africa
    Vet Microbiol 103:169-82. 2004
  2. ncbi request reprint An investigation into natural resistance to African swine fever in domestic pigs from an endemic area in southern Africa
    M L Penrith
    Onderstepoort Veterinary Institute, Onderstepoort 0110, South Africa
    Rev Sci Tech 23:965-77. 2004
  3. pmc Genetic monitoring detects an overlooked cryptic species and reveals the diversity and distribution of three invasive Rattus congeners in South Africa
    Armanda D Bastos
    Mammal Research Institute, Department of Zoology and Entomology, University of Pretoria, Private Bag 20, Hatfield 0028, Pretoria, South Africa
    BMC Genet 12:26. 2011
  4. pmc Rainfall-driven sex-ratio genes in African buffalo suggested by correlations between Y-chromosomal haplotype frequencies and foetal sex ratio
    Pim van Hooft
    Resource Ecology Group, Wageningen University, 6708 PB Wageningen, The Netherlands
    BMC Evol Biol 10:106. 2010
  5. ncbi request reprint Molecular monitoring of African swine fever virus using surveys targeted at adult ornithodoros ticks: a re-evaluation of Mkuze game reserve, South Africa
    L F Arnot
    Mammal Research Institute, Department of Zoology and Entomology, University of Pretoria, Pretoria, 0002 South Africa
    Onderstepoort J Vet Res 76:385-92. 2009
  6. ncbi request reprint Retrospective genetic analysis of SAT-1 type foot-and-mouth disease outbreaks in southern Africa
    W Vosloo
    Exotic Diseases Division, Onderstepoort Veterinary Institute, Onderstepoort, South Africa
    Arch Virol 151:285-98. 2006
  7. ncbi request reprint Molecular epidemiology of African swine fever in East Africa
    B A Lubisi
    Exotic Diseases Division, ARC Onderstepoort Veterinary Institute, Onderstepoort, South Africa
    Arch Virol 150:2439-52. 2005
  8. ncbi request reprint Foot and mouth disease in Mali: the current situation and proposed control strategies
    O Sangare
    Laboratoire Central Vétérinaire, Bamako, Mali
    Rev Sci Tech 23:863-72. 2004
  9. ncbi request reprint An investigation into the source and spread of foot and mouth disease virus from a wildlife conservancy in Zimbabwe
    S K Hargreaves
    Livestock and Veterinary Services, Ministry of Agriculture and Rural Development, Causeway, Harare, Zimbabwe
    Rev Sci Tech 23:783-90. 2004
  10. ncbi request reprint Intra- and inter-genotypic size variation in the central variable region of the 9RL open reading frame of diverse African swine fever viruses
    Solomon B Phologane
    ARC Onderstepoort Veterinary Institute, Private Bag X5, 0110, Onderstepoort, South Africa
    Virus Genes 31:357-60. 2005

Collaborators

Detail Information

Publications41

  1. ncbi request reprint Co-circulation of two genetically distinct viruses in an outbreak of African swine fever in Mozambique: no evidence for individual co-infection
    A D S Bastos
    Department of Zoology and Entomology, Mammal Research Institute, University of Pretoria, Pretoria 0002, South Africa
    Vet Microbiol 103:169-82. 2004
    ....
  2. ncbi request reprint An investigation into natural resistance to African swine fever in domestic pigs from an endemic area in southern Africa
    M L Penrith
    Onderstepoort Veterinary Institute, Onderstepoort 0110, South Africa
    Rev Sci Tech 23:965-77. 2004
    ..The question remains therefore as to the mechanism whereby pigs in the population from which the experimental pigs were derived co-existed with virulent ASF viruses...
  3. pmc Genetic monitoring detects an overlooked cryptic species and reveals the diversity and distribution of three invasive Rattus congeners in South Africa
    Armanda D Bastos
    Mammal Research Institute, Department of Zoology and Entomology, University of Pretoria, Private Bag 20, Hatfield 0028, Pretoria, South Africa
    BMC Genet 12:26. 2011
    ....
  4. pmc Rainfall-driven sex-ratio genes in African buffalo suggested by correlations between Y-chromosomal haplotype frequencies and foetal sex ratio
    Pim van Hooft
    Resource Ecology Group, Wageningen University, 6708 PB Wageningen, The Netherlands
    BMC Evol Biol 10:106. 2010
    ..These sex-ratio (SR) genes modify (suppress) gamete transmission in their own favour at a fitness cost, allowing for stable polymorphism...
  5. ncbi request reprint Molecular monitoring of African swine fever virus using surveys targeted at adult ornithodoros ticks: a re-evaluation of Mkuze game reserve, South Africa
    L F Arnot
    Mammal Research Institute, Department of Zoology and Entomology, University of Pretoria, Pretoria, 0002 South Africa
    Onderstepoort J Vet Res 76:385-92. 2009
    ..Further extensive surveys are required to establish the ASFV status of sylvatic hosts in this controlled area...
  6. ncbi request reprint Retrospective genetic analysis of SAT-1 type foot-and-mouth disease outbreaks in southern Africa
    W Vosloo
    Exotic Diseases Division, Onderstepoort Veterinary Institute, Onderstepoort, South Africa
    Arch Virol 151:285-98. 2006
    ....
  7. ncbi request reprint Molecular epidemiology of African swine fever in East Africa
    B A Lubisi
    Exotic Diseases Division, ARC Onderstepoort Veterinary Institute, Onderstepoort, South Africa
    Arch Virol 150:2439-52. 2005
    ..The presence of discrete epidemiological cycles in East Africa and recovery of multiple genotypes affirms the epidemiological complexity of ASF in this region...
  8. ncbi request reprint Foot and mouth disease in Mali: the current situation and proposed control strategies
    O Sangare
    Laboratoire Central Vétérinaire, Bamako, Mali
    Rev Sci Tech 23:863-72. 2004
    ..High mortality was reported in young animals, while morbidity approached 100% in adult cattle...
  9. ncbi request reprint An investigation into the source and spread of foot and mouth disease virus from a wildlife conservancy in Zimbabwe
    S K Hargreaves
    Livestock and Veterinary Services, Ministry of Agriculture and Rural Development, Causeway, Harare, Zimbabwe
    Rev Sci Tech 23:783-90. 2004
    ....
  10. ncbi request reprint Intra- and inter-genotypic size variation in the central variable region of the 9RL open reading frame of diverse African swine fever viruses
    Solomon B Phologane
    ARC Onderstepoort Veterinary Institute, Private Bag X5, 0110, Onderstepoort, South Africa
    Virus Genes 31:357-60. 2005
    ..The high degree of size heterogeneity in the CVR of this genotype is significant and attests to the usefulness of the CVR gene marker in elucidating the epidemiology of African swine fever...
  11. ncbi request reprint Genetic characterisation of African swine fever viruses from outbreaks in southern Africa (1973-1999)
    C I Boshoff
    ARC OVI, Exotic Diseases Division, Private Bag X05, Onderstepoort 0110, South Africa Department of Biomedical Sciences, Tshwane University of Technology, Pretoria, South Africa
    Vet Microbiol 121:45-55. 2007
    ....
  12. ncbi request reprint Intra-genotypic resolution of African swine fever viruses from an East African domestic pig cycle: a combined p72-CVR approach
    Baratang A Lubisi
    ARC Onderstepoort Veterinary Institute, Exotic Diseases Division, Private Bag X05, Onderstepoort 0110, South Africa
    Virus Genes 35:729-35. 2007
    ..This raises the possibility of intra-genotypic recombination in ASF viruses for the first time. However, given the repetitive nature of the CVR region, convergent evolution cannot be excluded and may be the more likely explanation...
  13. pmc Selection at the Y chromosome of the African buffalo driven by rainfall
    Pim van Hooft
    Mammal Research Institute, Department of Zoology and Entomology, University of Pretoria, Pretoria, South Africa
    PLoS ONE 2:e1086. 2007
    ..The mammalian Y chromosome, interacting with ecological processes, may affect male reproductive success much more strongly than previously thought...
  14. doi request reprint Intraspecific patterns of mitochondrial variation in natural population fragments of a localized desert dung beetle species, Pachysoma gariepinum (Coleoptera: Scarabaeidae)
    Catherine L Sole
    Department of Zoology and Entomology, University of Pretoria, Pretoria 0002, South Africa
    J Hered 99:464-75. 2008
    ..This together with changing anthropogenic factors and the recovery of 3 geographically discrete management units, points to a need for census data in order to monitor and conserve the genetic diversity of this species...
  15. pmc Mass mortality of adult male subantarctic fur seals: are alien mice the culprits?
    P J Nico de Bruyn
    Mammal Research Institute, Department of Zoology and Entomology, University of Pretoria, Pretoria, South Africa
    PLoS ONE 3:e3757. 2008
    ....
  16. doi request reprint Role of wild suids in the epidemiology of African swine fever
    Ferran Jori
    French Agricultural Research Center for International Development CIRAD, Department of Production Animal Studies, Faculty of Veterinary Science, University of Pretoria, Onderstepoort, South Africa
    Ecohealth 6:296-310. 2009
    ..This first consolidated summary of ASF epidemiology in relation to wild suids summarizes current knowledge and identifies information gaps and future research priorities crucial for formulating effective disease control strategies...
  17. doi request reprint A host species-informative internal control for molecular assessment of African swine fever virus infection rates in the African sylvatic cycle Ornithodoros vector
    A D S Bastos
    Mammal Research Institute, Department of Zoology and Entomology, University of Pretoria, Pretoria 0002, South Africa
    Med Vet Entomol 23:399-409. 2009
    ....
  18. doi request reprint Molecular characterisation of African swine fever viruses from Nigeria (2003-2006) recovers multiple virus variants and reaffirms CVR epidemiological utility
    Olajide A Owolodun
    Department of Biochemistry and AMB, National Veterinary Research Institute, Vom, Plateau State, Nigeria
    Virus Genes 41:361-8. 2010
    ..This study has reaffirmed the epidemiological utility of the CVR genome region for distinguishing between geographically and temporally constrained genotype I viruses, and has revealed the presence of multiple ASFV variants in Nigeria...
  19. pmc A first molecular epidemiological study of SAT-2 type foot-and-mouth disease viruses in West Africa
    O Sangare
    ARC OVI, Exotic Diseases Division, Onderstepoort 0110, South Africa
    Epidemiol Infect 132:525-32. 2004
    ..This study revealed that unrestricted animal movement in West Africa is a major factor in disease dissemination and has also provided the first indication of trans-regional virus transmission...
  20. ncbi request reprint Genetic heterogeneity of SAT-1 type foot-and-mouth disease viruses in southern Africa
    A D Bastos
    ARC Onderstepoort Veterinary Institute, Exotic Diseases Division, Onderstepoort, South Africa
    Arch Virol 146:1537-51. 2001
    ..Despite the high levels of variation within the primary sequence, secondary structural features appear to be conserved...
  21. ncbi request reprint The 1992 foot-and-mouth disease epizootic in the Kruger National Park
    D F Keet
    Kruger National Park, Skukuza, South Africa
    J S Afr Vet Assoc 67:83-7. 1996
    ..RNA sequencing of a portion of the 1D gene of viruses isolated from SAT-2 viruses obtained from diseased impala showed that they were unrelated to previous SAT-2 isolates made from animals in the Kruger National Park...
  22. ncbi request reprint Detection and characterization of foot-and-mouth disease virus in sub-Saharan Africa
    A D Bastos
    Onderstepoort Institute for Exotic Diseases OIED, South Africa
    Onderstepoort J Vet Res 65:37-47. 1998
    ..1-27.5% on amino acid level. In addition, the methodology presented here was shown to be useful for determining the origin and tracing the course of epizootics in both wild and domestic cloven-hoofed animals...
  23. ncbi request reprint Possibility of sexual transmission of foot-and-mouth disease from African buffalo to cattle
    A D Bastos
    Onderstepoort Institute for Exotic Diseases, South Africa
    Vet Rec 145:77-9. 1999
  24. pmc Natural transmission of foot-and-mouth disease virus between African buffalo (Syncerus caffer) and impala (Aepyceros melampus) in the Kruger National Park, South Africa
    A D Bastos
    Onderstepoort Veterinary Institute, Division of Exotic Diseases, South Africa
    Epidemiol Infect 124:591-8. 2000
    ..Evidence for natural transmission of FMD between buffalo and impala is presented for the most recent 1995 outbreak, with data linking the 1985 and 1988/9 impala epizootics to viruses associated with specific buffalo herds...
  25. ncbi request reprint Molecular epidemiology of serotype O foot-and-mouth disease virus with emphasis on West and South Africa
    O Sangare
    ARC-OVI, Exotic Diseases Division, South Africa
    Virus Genes 22:345-51. 2001
    ....
  26. ncbi request reprint Tracing movement of African buffalo in southern Africa
    W Vosloo
    Onderstepoort Veterinary Institute, Private Bag X05, Onderstepoort 0110, South Africa
    Rev Sci Tech 20:630-9. 2001
    ..Furthermore, these analyses have assisted in tracing the origin of infected animals that have been moved to other parts of South Africa...
  27. ncbi request reprint Mitochondrial DNA sequence relationships of the extinct blue antelope Hippotragus leucophaeus
    T J Robinson
    Department of Zoology and Entomology, University of Pretoria, South Africa
    Naturwissenschaften 83:178-82. 1996
  28. ncbi request reprint Genetic heterogeneity in the foot-and-mouth disease virus Leader and 3C proteinases
    Hester van Rensburg
    Exotic Diseases Division, Onderstepoort Veterinary Institute, Private Bag X05, Onderstepoort 0110, South Africa
    Gene 289:19-29. 2002
    ..Comparison of the 3C proteinase P1 cleavage sites suggested that the FMDV 3C proteinase may possess a broader substrate specificity, as observed in hepatitis A virus 3C proteinase...
  29. ncbi request reprint The possible role that buffalo played in the recent outbreaks of foot-and-mouth disease in South Africa
    Wilna Vosloo
    Onderstepoort Veterinary Institute, Onderstepoort 0110, South Africa
    Ann N Y Acad Sci 969:187-90. 2002
    ....
  30. ncbi request reprint Review of the status and control of foot and mouth disease in sub-Saharan Africa
    W Vosloo
    Onderstepoort Veterinary Institute, Private Bag X05, Onderstepoort 0110, South Africa
    Rev Sci Tech 21:437-49. 2002
    ..This will result in continuing under-exploitation of a valuable resource in the arid and semi-arid regions of Africa, with increasing marginalisation of human populations living there...
  31. ncbi request reprint Foot and mouth disease in wildlife
    G R Thomson
    AU Inter African Bureau for Animal Resources, PO Box 30786, Nairobi, Kenya
    Virus Res 91:145-61. 2003
  32. ncbi request reprint Genotyping field strains of African swine fever virus by partial p72 gene characterisation
    A D S Bastos
    ARC Onderstepoort Veterinary Institute, Onderstepoort, South Africa
    Arch Virol 148:693-706. 2003
    ..This study provides a rapid and accurate means of determining the genotype of field and outbreak strains of ASF and is therefore useful for molecular epidemiological clarification of ASF...
  33. ncbi request reprint Retrospective genetic analysis of SAT-1 type foot-and-mouth disease outbreaks in West Africa (1975-1981)
    Oumou Sangare
    ARC OVI, Exotic Diseases Division, Private Bag X5, 0110, Onderstepoort, South Africa
    Vet Microbiol 93:279-89. 2003
    ....
  34. ncbi request reprint The implications of virus diversity within the SAT 2 serotype for control of foot-and-mouth disease in sub-Saharan Africa
    A D S Bastos
    Mammal Research Institute, Department of Zoology and Entomology, University of Pretoria, South Africa
    J Gen Virol 84:1595-606. 2003
    ..This study provides an indication of the intratypic complexity of the SAT 2 serotype at the continental level and emphasizes the value of molecular characterization of diverse FMD field strains for tracing the origin of outbreaks...
  35. ncbi request reprint Molecular epidemiology of SAT3-type foot-and-mouth disease
    Armanda D S Bastos
    Exotic Diseases Division, ARC Onderstepoort Veterinary Institute, Private Bag X5, Onderstepoort 0110, South Africa
    Virus Genes 27:283-90. 2003
    ....
  36. ncbi request reprint Suitability of currently available vaccines for controlling the major transboundary diseases that afflict sub-Saharan Africa
    G Thomson
    AU IBAR, Nairobi, Kenya
    Dev Biol (Basel) 114:229-41. 2003
  37. ncbi request reprint Persistent infection of African buffalo (Syncerus caffer) with SAT-type foot-and-mouth disease viruses: rate of fixation of mutations, antigenic change and interspecies transmission
    W Vosloo
    Onderstepoort Institute for Exotic Diseases, Onderstepoort 0110, South Africa
    J Gen Virol 77:1457-67. 1996
    ..It is concluded that persistently infected buffaloes in the wild constantly generate variants of SAT-1 and SAT-2 which explains the wide range of genomic and antigenic variants which occur in SAT-1 and SAT-2 viruses in southern Africa...
  38. pmc Trapping of Rift Valley Fever (RVF) vectors using light emitting diode (LED) CDC traps in two arboviral disease hot spots in Kenya
    David P Tchouassi
    International Centre of Insect Physiology and Ecology, Nairobi, Kenya
    Parasit Vectors 5:94. 2012
    ..Therefore, we investigated if LEDs can be effective substitutes for incandescent lamps used in CDC light traps for mosquito surveillance, and if so, determine the best color for attraction of important Rift Valley Fever (RFV) vectors...
  39. pmc Phytochemical analysis and in-vitro anti-African swine fever virus activity of extracts and fractions of Ancistrocladus uncinatus, Hutch and Dalziel (Ancistrocladaceae)
    Folorunso O Fasina
    Department of Production Animal Studies, Faculty of Veterinary Science, University of Pretoria, Onderstepoort 0110, South Africa
    BMC Vet Res 9:120. 2013
    ..Recent outbreaks were managed by farmers with ethnoveterinary preparations with various claims of effectiveness...
  40. ncbi request reprint Development of a TaqMan PCR assay with internal amplification control for the detection of African swine fever virus
    Donald P King
    Virology Department, Veterinary Laboratories Agency, Woodham Lane, New Haw, Addlestone, Surrey KT15 3NB, UK
    J Virol Methods 107:53-61. 2003
    ..This assay should prove to be a valuable tool in the laboratory diagnosis of ASF and will complement existing molecular methods to provide rapid differential diagnosis in cases of suspected swine fever...
  41. ncbi request reprint Low linkage disequilibrium indicative of recombination in foot-and-mouth disease virus gene sequence alignments
    Daniel T Haydon
    Department of Zoology, University of Guelph, Guelph, Ontario, Canada N1G 2W1
    J Gen Virol 85:1095-100. 2004
    ..We applied these tests to six FMDV datasets from four serotypes and found some evidence for recombination in all of them...