Michael Poulsen

Ph.D. Student

Phone - +45 35 32 13 20
Fax - +45 35 32 12 50
email - mpoulsen@zi.ku.dk

Department of Population Ecology

Research Interests

My primary interests are the possible reproductive conflicts of interest that can arise between hosts and symbionts in mutualistic relationships. Such conflicts most probably have a negative impact on the outcome of the cooperation between partners in such relationships. Thus, mechanisms to prevent them are expected to be present and align the interests between partners. Leaf-cutting ants are ideal for studying such possible conflicts since they host two mutualistic microorganisms:1. A basidiomycete fungus that serve as the primary food source for the ants, and 2. A Streptomyces bacterium that serves a specific defence function against a potentially virulent pathogen of leaf-cutting ant fungus gardens.

Selected Publications

bullet

Poulsen, M., Bot, A.N.M., Currie, C.R. and Boomsma, J.J. (2002) Mutualistic bacteria and a possible trade-off between alternative defence mechanisms in Acromyrmex leaf-cutting ants. Insectes Sociaux 49, 15-19.

bullet

Poulsen, M., Bot, A.N.M., Nielsen, M.G. and Boomsma, J.J. (2002) Experimental evidence for the costs and hygienic significance of the antibiotic metapleural gland secretion in leaf-cutting ants. Behavioral Ecology and Sociobiology 52, 151-157.

bullet

Poulsen, M., Bot, A.N.M., Currie, C.R., Nielsen, M.G. and Boomsma, J.J. (2003) Within colony transmission and the cost of a mutualistic bacterium in the leaf-cutting ant Acromyrmex octospinosus. Functional Ecology 17, 260-269.

bullet

Poulsen, M., Bot, A.N.M. and Boomsma, J.J. (2003) The effect of metapleural gland secretion on the growth of a mutualistic bacterium on the cuticle of leaf-cutting ants. Naturwissenschaften 90, 406-409.

Last updated: 17th of September 2003

Go to my personal homepage

Back to main page