High and low temperatures differently affect infection density and vertical transmission of male-killing Spiroplasma symbionts in Drosophila hosts.

Applied and Environmental Microbiology
Hisashi AnbutsuTakema Fukatsu

Abstract

We investigated the vertical transmission, reproductive phenotype, and infection density of a male-killing Spiroplasma symbiont in two Drosophila species under physiological high and low temperatures through successive host generations. In both the native host Drosophila nebulosa and the nonnative host Drosophila melanogaster, the symbiont infection and the male-killing phenotype were stably maintained at 25 degrees C, rapidly lost at 18 degrees C, and gradually lost at 28 degrees C. In the nonnative host, both the high and low temperatures significantly suppressed the infection density of the spiroplasma. In the native host, by contrast, the low temperature suppressed the infection density of the spiroplasma whereas the high temperature had little effect on the infection density. These results suggested that the low temperature suppresses both the infection density and the vertical transmission of the spiroplasma whereas the high temperature suppresses the vertical transmission preferentially. The spiroplasma density was consistently higher in the native host than in the nonnative host, suggesting that the host genotype may affect the infection density of the symbiont. The temperature- and genotype-dependent instability of the...Continue Reading

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Citations

Nov 16, 2010·Applied and Environmental Microbiology·Colin F FunaroJacob A Russell
Dec 22, 2009·Applied and Environmental Microbiology·Simone S PradoRodrigo P P Almeida
Feb 20, 2014·PLoS Pathogens·Toshiyuki HarumotoTakema Fukatsu
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Mar 23, 2013·Ecology Letters·Sarah N CockburnSteve J Perlman
Apr 1, 2011·Environmental Microbiology Reports·Hisashi Anbutsu, Takema Fukatsu
Oct 6, 2016·Heredity·C CorbinG D D Hurst
Feb 7, 2016·Applied and Environmental Microbiology·Yuan-Chen ZhangXiang-Dong Liu
Apr 24, 2020·The Journal of Animal Ecology·Clesson H V HigashiKerry M Oliver
May 15, 2021·Current Opinion in Insect Science·Mariana Abarca, Ryan Spahn

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