Host life stage- and temperature-dependent density of the symbiont Buchnera aphidicola in a subtropical pea aphid (Acyrthosiphon pisum) population

The function of the pea aphid's primary symbiont, Buchnera aphidicola, has been well studied. However, the factors affecting the dynamics of Buchnera density are seldom studied simultaneously. A better understanding of these factors could provide insights into its symbiosis with aphids. This st...

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Bibliographic Details
Published in:Journal of Asia-Pacific entomology 2014, 17(3), , pp.537-541
Main Authors: Lu, Wei-Nung, Chiu, Ming-Chih, Kuo, Mei-Hwa
Format: Article
Language:English
Subjects:
Acyrthosiphon pisum
Aphid
Aphididae
Buchnera
Buchnera aphidicola
Population
Stadium
Symbiosis
Temperature
농수해양학
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Summary:The function of the pea aphid's primary symbiont, Buchnera aphidicola, has been well studied. However, the factors affecting the dynamics of Buchnera density are seldom studied simultaneously. A better understanding of these factors could provide insights into its symbiosis with aphids. This study evaluated the effects of host life stage and rearing temperature on Buchnera density. We measured Buchnera density in seven life stages of pea aphids (Acyrthosiphon pisum) reared at six constant temperatures. Both host life stage and temperature significantly affected Buchnera density, which tended to decrease as aphid age and rearing temperature increased. Multiple regression analysis of the Buchnera density (mean±SE) in the different life stages of aphids reared at different temperatures (n=40, R2=0.58, P
ISSN:1226-8615
1876-7990
DOI:10.1016/j.aspen.2014.03.012