The sand tampan, Ornithodoros savignyi, as a model for tick-host interactions

South African Journal of Science

Volumn 100, Issue 5-6, 2004, Pages 283-288

  Mans, B J ^a   Neitz, A W H ^a  

^a UNIVERSITY OF PRETORIA   (South Africa)

Author keywords

[No Author keywords available]

Indexed keywords

ADAPTATION; HOST-PARASITE INTERACTION; LIVESTOCK; PATHOGEN; PEST SPECIES;

ACARI; ARGASIDAE; LAMB; ORNITHODOROS; ORNITHODOROS SAVIGNYI; OVIS ARIES;

EID: 4344618309     PISSN: 00382353     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Review

References (47)

1. Spickett A.M. (1984). Kalahari's sand tampan, a remarkable creature. Custos 13, 37-40.
2. Theiler G. (1962). The sand tampan Ornithodoros savignyi: an ecological puzzle and an economic problem. Ann. Cape Prov. Mus. 2, 212-222.
3. Howell C.J., Neitz A.W.H. and Potgieter D.J.J. (1975). Some toxic and chemical properties of the oral secretion of the sand tampan, Ornithodoros savignyi (Audouin) (1827). Onderstepoort J. Vet. Res. 43, 99-102.
4. Hoogstraal H. (1956). African Ixodoidea. I. Ticks of the Sudan (with special reference to Equatoria Province and with preliminary reviews of the genera Boophilus, Margaropus and Hyalomma). Research Report NM 005 050.29.07, Department of the Navy, p. 1101. Washington, D.C.
5. Nevill E.M. (1964). The role of carbon dioxide as stimulant and attractant to the sand tampan, Ornithodoros savignyi (Audouin). Onderstepoort J. Vet. Res. 31, 59-68.
6. Soll M.D., Swan G.E., Schroder J. and Bezuidenhout J.D. (1984). Efficacy of ivermectin against the sand tampan (Ornithodoros savignyi). Vet. Rec. 114, 70.
7. Astigarraga A., Oleaga-Péres A., Péres-Sénchez R. and Encinas-Grandes A. (1996). A study of the vaccinal value of various extracts of concealed antigens and salivary gland extracts against Ornithodoros erraticus and Ornithodoros moubata. Vet. Parasitol. 60, 133-147.
8. Howell C.J. (1966). Collection of salivary gland secretion from the argasid Ornithodoros savignyi (Audouin) (1827) by the use of a pharmacological stimulant. J. S. Afr. Vet. Med. Assoc. 37, 236-239.
9. Mans B.J., Steinmann C.M., Venter J.D., Louw A.I. and Neitz A.W.H. (2002). Pathogenic mechanisms of sand tampan toxicoses induced by the tick, Ornithodoros savignyi. Toxicon 40, 1007-1016.
10. Neitz A.W.H., Howell, C.J. and Potgieter, D.J.J. (1969). Purification of the toxic component in the oral secretion of the sand tampan Ornithodoros savignyi (Audouin) (1827). J. S. Afr. Chem. Ind. 22, 142-149.
11. Neitz A.W.H. (1976). Biochemical investigation into the toxic salivary secretion of the tick Ornithodoros savignyi. D.Sc. thesis, University of Pretoria.
12. Neitz A.W.H., Bezuidenhout J.D., Vermeulen N.M.J., Potgieter D.J.J. and Howell C.J. (1983). In search of the causal agents of tick toxicoses. Toxicon S3, 317-320.
13. Neitz A.W.H and Vermeulen N.M.J. (1987). Biochemical studies on the salivary glands and haemolymph of Amblyomma hebraeum. Onderstepoort J. Vet. Res. 54, 443-450.
14. Gothe R. and Neitz A.W.H. (1991). Tick paralysis: pathogeneses and etiology. Adv. Dis. Vect. Res. 8, 177-204.
15. Mans B.J., Gothe R. and Neitz A.W.H. (2004). Biochemical perspectives on paralysis and other forms of toxicoses caused by ticks. Parasitology 129, S1-S17.
16. Mans B.J. (1997). Biochemical properties of a platelet aggregation inhibitor of the tick, Ornithodoros savignyi. M.Sc. dissertation, University of Pretoria.
17. Mans B.J. (2002). Functional perspectives on the evolution of argasid tick salivary gland protein superfamilies. Ph.D. thesis, University of Pretoria.
18. Gaspar A.R., Crause J.C. and Neitz A.W. (1995). Identification of anticoagulant activities in the salivary glands of the soft tick, Ornithodoros savignyi. Exp. Appl. Acarol. 19, 117-127.
19. Gaspar A.R.M.D., Joubert A.M., Crause J.C. and Neitz A.W.H. (1996). Isolation and characterization of an anticoagulant from the salivary glands of the tick, Ornithodoros savignyi (Acari: Argasidae). Exp. Appl. Acarol. 20, 583-598.
20. Waxman L., Smith D.E., Arcuri K.E. and Vlasuk G.P. (1990). Tick anticoagulant peptide (TAP) is a novel inhibitor of blood coagulation factor Xa. Science 248, 593-596.
21. Ribeiro J.M.C., Endris T.M. and Endris R. (1991). Saliva of the soft tick Ornithodoros moubata contains anti-platelet and apyrase activity. Comp. Biochem. Physiol. A 100, 109-112.
22. Waxman L. and Connolly T.M. (1993). Isolation of an inhibitor selective for collagen-stimulated platelet aggregation from the soft tick Ornithodoros moubata. J. Biol. Chem. 268, 5445-5449.
23. Karczewski J., Endris R. and Connolly T.M. (1994). Disagregin is a fibrinogen receptor antagonist lacking the Arg-Gly-Asp sequence from the tick, Ornithodoros moubata. J. Biol. Chem. 269, 6702-6708.
24. Karczewski J., Waxman L., Endris R.G. and Connolly T.M. (1995). An inhibitor from the argasid tick Ornithodoros moubata of cell adhesion to collagen. Biochem. Biophys. Res. Commun. 208, 532-541.
25. van de Locht A., Stubbs M.T., Bode W., Friedrich T., Bollschweiler C., Hoffken W. and Huber R. (1996). The ornithodorin-thrombin crystal structure, a key to the TAP enigma? EMBO J. 15, 6011-6017.
26. Helmy N. (2000). Seasonal abundance of Ornithodoros (O.) savignyi and prevalence of infection with Borrelia spirochetes in Egypt. J. Egypt. Soc. Parasitol. 30, 607-619.
27. Mans B.J., Venter J.D., Vrey P.J., Louw A.I. and Neitz A.W.H. (2001). Identification of putative proteins involved in granule biogenesis of tick salivary glands. Electrophoresis 22, 1739-1746.
28. Astigarraga A., Oleaga-Perez A., Perez-Sanchez R., Baranda J.A. and Encinas-Grandes A. (1997). Host immune response evasion strategies in Ornithodoros erraticus and O. moubata and their relationship to the development of an antiargasid vaccine. Parasite Immunol. 19, 401-410.
29. Mans B.J. and Neitz A.W.H. (2004). Adaptation of ticks to a blood-feeding environment: evolution from a functional perspective. Insect Biochem. Mol. Biol. 34, 1-17.
30. Joubert A.M., Louw A.I., Joubert F. and Neitz A.W.H. (1998). Cloning, nucleotide sequence and expression of the gene encoding factor Xa inhibitor from the salivary glands of the tick, Ornithodoros savignyi. Exp. Appl. Acarol. 22, 603-619.
31. Wei A., Alexander R.S., Duke J., Ross H., Rosenfeld S.A. and Chang C.H. (1998). Unexpected binding mode of tick anticoagulant peptide complexed to bovine factor Xa. J. Mol. Biol. 283, 147-154.
32. Nienaber J., Gaspar A.R.M.D. and Neitz A.W.H. (1999). Savignin, a potent thrombin inhibitor isolated from the salivary glands of the tick, Ornithodoros savignyi (Acari: Argasidae). Exp. Parasitol. 93, 82-91.
33. Mans B.J., Louw A.I. and Neitz A.W.H. (2002). Amino acid sequence and structure modeling of savignin, a thrombin inhibitor from the rick, Ornithodoros savignyi. Insect Biochem. Mol. Biol. 32, 821-828.
34. Ehebauer M.T., Mans B.J., Gaspar A.R. and Neitz A.W. (2002). Identification of extrinsic blood coagulation pathway inhibitors from the tick Ornithodoros savignyi (Acari: Argasidae). Exp. Parasitol. 101, 138-148.
35. Mans B.J., Louw A.I. Gaspar A.R.M.D. and Neitz A.W.H. (1998). Apyrase activity and platelet aggregation inhibitors in the tick Ornithodoros savignyi. Exp. Appl. Acarol. 22, 353-366.
36. Mans B.J., Louw A.I., Gaspar A.R.M.D. and Neitz A.W.H. (1998). Purification and characterization of apyrase from the tick, Ornithodoros savignyi. Comp. Biochem. Physiol. B 120, 617-624.
37. Mahlaku M. (2002). Biochemical investigations into the proteolytic activities in the salivary glands of the tick, Ornithodoros savignyi. M.Sc. dissertation, University of Pretoria.
38. Mans B.J., Coetzee J., Louw A.I., Gaspar A.R.M. and Neitz A.W.H. (2000). Disaggregation of aggregated platelets by apyrase from the tick, Ornithodoros savignyi (Acari: Argasidae). Exp. Appl. Acarol. 24, 271-282.
39. Mans B.J., Louw A.I. and Neitz A.W.H. (2002). Savignygrin, a platelet aggregation inhibitor from the soft tick, Ornithodoros savignyi, presents the RGD integrin recognition motif on the Kunitz-BPTI fold. J. Biol. Chem. 277, 21371-21378.
40. 3 antagonist from Ornithodoros savignyi. Exp. Appl. Acarol. 27, 231-239.
41. Wang X., Coon L.B., Taylor D.B., Stevens S.E. and Gartner T.K. (1996). Variabilin, a novel RGD-containing antagonist of glycoprotein IIb-IIIa and platelet aggregation inhibitor from the hard tick Dermacentor variabilis. J. Biol. Chem. 271, 17785-17790.
42. Mans B.J., Louw A.I. and Neitz, A.W.H. (2003). The influence of tick behavior, biotope and host specificity on concerted evolution of the platelet aggregation inhibitor savignygrin, from the soft tick Ornithodoros savignyi. Insect Biochem. Mol. Biol. 33, 623-629.
43. Mans B.J., Louw A.I. and Neitz A.W.H. (2002). Evolution of hematophagy in ticks: common origins for blood coagulation and platelet aggregation inhibitors from soft ticks of the genus Ornithodoros. Mol. Biol. Evol. 19, 1695-1705.
44. 3 antagonism by savignygrin and its implications for the evolution of anti-hemostatic strategies in soft ticks. Insect Biochem. Mol. Biol. 34, 573-584.
45. Mans B.J., Louw A.I. and Neitz A.W.H. (2003). The major tick salivary gland proteins and toxins from the soft tick, Ornithodoros savignyi, are part of the tick lipocalin family: implications for the origins of tick toxicoses. Mol. Biol. Evol. 20, 1158-1167.
46. Mans B.J. and Neitz A.W.H. (2004). Exon-intron structure of outlier tick lipocalins indicate a monophyletic origin within the larger lipocalin family. Insect Biochem. Mol. Biol. 34, 585-594.
47. Mans B.J., Venter J.D., Coons L.B., Louw A.I. and Neitz A.W.H. (2004). A reassessment of argasid tick salivary gland ultrastructure from an immunocytochemical perspective. Exp. Appl. Acarol. 33, 119-129.