Role of Host Nutrition in Symbiont Regulation: Impact of Dietary Nitrogen on Proliferation of Obligate and Facultative Bacterial Endosymbionts of the Pea Aphid Acyrthosiphon pisum

Author:

Wilkinson T. L.1,Koga R.2,Fukatsu T.2

Affiliation:

1. UCD School of Biology and Environmental Science, University College Dublin, Dublin, Ireland

2. Institute for Biological Resources and Functions, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba 305-8566, Japan

Abstract

ABSTRACT The impact of host nutrition on symbiont regulation in the pea aphid Acyrthosiphon pisum was investigated. The population density of the obligate symbiont Buchnera aphidicola positively correlated with dietary nitrogen levels. In contrast, the population density of the facultative symbiont Serratia symbiotica increased in aphids reared on low-nitrogen diets, indicating distinct regulatory mechanisms in the same insect host.

Publisher

American Society for Microbiology

Subject

Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology

Reference22 articles.

1. Growth Kinetics of the Endosymbiont Buchnera aphidicola in the Aphid Schizaphis graminum

2. Brodbeck, B., and D. R. Strong. 1987. Amino acid nutrition of herbivorous insects and stress to host plants, p. 347-364. In P. Barbosa and J.C. Schultz (ed.), Insect outbreaks. Academic Press, New York, NY.

3. Buchner P. 1965. Endosymbiosis of animals with plant microorganisms. Wiley London England.

4. Chen, D. Q., and A. H. Purcell. 1997. Occurrence and transmission of facultative endosymbionts in aphids. Curr. Microbiol.34:220-225.

5. Elucidation of the Transmission Patterns of an Insect-Borne Bacterium

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