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24 December 2018 | Story Leonie Bolleurs | Photo Anja Aucamp
Research possibilities of zebrafish exposed
Leading global genetics laboratories are replacing research on human and animal populations with zebrafish, says Prof Paul Grobler, Head of the UFS Department of Genetics.

The UFS Department of Genetics is on par with current research trends in terms of their zebrafish project. About a year has passed since they seriously started focusing on the potential of this tiny four-centimetre-long fish, and the possibilities are hugely exciting.

Looks are deceiving

Leading global genetics laboratories are replacing research on human and animal populations with zebrafish due to several fascinating reasons, of which the most profound is probably that the zebrafish share large portions of its genome with mammals. For genetics researchers this may make a lot of sense, but most people battle to see any resemblance between a six-foot-tall rugby player or 600 kg buffalo and a small, nearly transparent fish. It is in the detail, the researchers say.

Fast, effective, and visible

“The complete genome sequence of the zebrafish is known, and as much as 84% of genes known to be associated with human disease have zebrafish counterparts,” explains Head of Department, Prof Paul Grobler. Another advantage is the fast breeding rate and short generation time, and the fact that some research is ethically more justifiable when done on fish larvae rather than on adult mammals. The fact that zebrafish embryos are virtually transparent, also allow researchers to examine the development of internal structures without effort. Every blood vessel in a living zebrafish embryo is visible under a low-power microscope.

Multidisciplinary

Zebrafish provide research potential for many different study fields besides that of Prof Grobler and his team, Sue Rica Schneider and Dr Willem Coetzer. In the near future, they aim to have undergraduate students use zebrafish as a research model to develop a real sense of research and laboratory work. The Department of Chemistry are also initiating research on zebrafish housed in the Department of Genetics.

News Archive

Code-switching, tokenism and consumerism in print advertising
2014-10-27

Code-switching, linguistic tokenism and modern consumerism in contemporary South African print advertising. This is the current research focus of two lecturers from the Faculty of the Humanities at the UFS, Prof Angelique van Niekerk and Dr Thinus Conradie.

The act of switching between two or more languages is replete with socio-cultural meaning, and can be deployed to advance numerous communicative strategies, including attempts at signalling cultural familiarity and group affiliation (Chung 2006).

For advertising purposes, Fairclough’s (1989) seminal work on the ideological functions of language remark on the usefulness of code-switching as a means of fostering an advertiser-audience relationship that is conducive to persuasion. In advertising, code-switching is a valuable means with which a brand may be invested with a range of positive associations. In English-dominated media, these associations derive from pre-existing connotations that target audiences already hold for a particular (non-English) language. Where exclusivity and taste, for example, are associated with a particular European language (such as French), advertising may use this languages to invest the advertised brand with a sense of exclusivity and taste.

In addition, empirical experiments with sample audiences (in the field of consumer research) suggest that switching from English to the first language of the target audience, is liable to yield positive results in terms of purchase intentions (Bishop and Peterson 2011). This effect is enhanced under the influence of modern consumerism, in which consumption is linked to the performance of identity and ‘[b]rands are more than just products; they are statements of affiliation and belonging’ (Ngwenya 2011, 2; cf. Nuttall 2004; Jones 2013).

In South African print magazines, where the hegemony of English remains largely uncontested, incorporating components of indigenous languages and Afrikaans may similarly be exploited for commercial ends. Our analysis suggests that the most prevalent form of code-switching from English to indigenous South African languages represents what we have coded as linguistic tokenism. That is, in comparison with the more expansive use of both Afrikaans and foreign languages (such as French), code-switching is used in a more limited manner, and mainly to presuppose community and solidarity with first-language speakers of indigenous languages. In cases of English-to-Afrikaans code-switching, our findings echo the trends observed for languages such as French and German. That is, the language is exploited for pre-existing associations. However, in contrast with French (often associated with prestige) and German (often associated with technical precision), Afrikaans is used to invoke cultural stereotypes, notably a self-satirical celebration of Afrikaner backwardness and/or lack of refinement that is often interpolated with hyper-masculinity.

References


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