Biology Reference
In-Depth Information
CHAPTER
10
From the Twig Tips to the
Deeper Branches: New Insights
into Evolutionary History and
Phy
logeography of Asc
aris
Martha Betson
z
, Peter Nejsum
y
,
J. Russell Stothard
*
*
Liverpool School of Tropical Medicine, Liverpool, UK
y
University of Copenhagen, Denmark
z
The Royal Veterinary College, London, UK
OUTLINE
Introduction
266
Evolutionary History of Ascaridoidea and Host Potential
266
Species Concepts
269
Application of Biochemical and Molecular Tools
271
Experimental Studies
272
Insights into A. lumbricoides/suum complex
273
Global and Local Genetic Diversity
274
Evolutionary History and Spread of Ascaris
275
Implications for Control: A Focus on Zanzibar
278
Concluding Remarks and Future Studies
279
References
280
