A dissertation submitted to the Faculty of Science, University of the
Witwatersrand, Johannesburg, in fulfilment of the requirements for the
degree of Master of Science. / This is the first report comparing the inducible humoral immune responses
of' two long-lived arthropods. Inducible humoral immune responses were
detected in two arthropods namely, the scorpion Opisthopthalmus
latitnanus (Arachnida) and the millipede Triaetiostreptus triodus
(Diploooda: Spirostreptidae). These anti-bacterial activities were elicited
by "ve gram-negative and gram-positive bacteria. A dramatic
hemocytopenia was demonstrated in both the millipede and scorpion after
experimental infection, suggesting the possible release of a hemocyte
depletion factor. The anti-bacterial humoral responses of the millipede
and the scorpion were similar in magnitude to those that have been
reported for a large variety of short-lived insects. I also provide further
characterisation of the anti-bacterial defence proteirus) of the Kalana n
millipede. My results suggest that the humoral immune response of
arthopods may have a long and conserved phylogeny. / Andrew Chakane 2019
| Identifer | oai:union.ndltd.org:netd.ac.za/oai:union.ndltd.org:wits/oai:wiredspace.wits.ac.za:10539/26634 |
| Date | January 1998 |
| Creators | Van der Walt, Etienne |
| Source Sets | South African National ETD Portal |
| Language | English |
| Detected Language | English |
| Type | Thesis |
| Format | application/pdf |
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