Toxoplasma gondii, sex and premature rejection

Stuart A. West, Sarah E. Reece, Andrew F. Read

Research output: Contribution to journalShort surveypeer-review

7 Scopus citations


Adaptive sex ratio theory explains why gametocyte sex ratios are female-biased in many populations of apicomplexan parasites such as Plasmodium and Toxoplasma. Recently, Ferguson has criticized this framework and proposed two alternative explanations - one for vector-borne parasites (e.g. Plasmodium) and one for Toxoplasma. Ferguson raises some interesting issues that certainly deserve more empirical attention. However, it should be pointed out that: (1) there are theoretical and empirical problems for his alternative hypotheses; and (2) existing empirical data support the application of sex ratio theory to these parasites, not its rejection.

Original languageEnglish (US)
Pages (from-to)155-157
Number of pages3
JournalTrends in Parasitology
Issue number4
StatePublished - Apr 1 2003

All Science Journal Classification (ASJC) codes

  • Parasitology
  • Infectious Diseases


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