Journal
CURRENT OPINION IN INSECT SCIENCE
Volume 36, Issue -, Pages 96-102Publisher
ELSEVIER
DOI: 10.1016/j.cois.2019.08.011
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Funding
- NSF [DEB-0211125, EF-0723930]
- Center on the Economics and Demography of Aging (CEDA) - University of California, Berkeley
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Variation in gene expression in response to the use of alternate host plants can reveal genetic and physiological mechanisms explaining why insect-host relationships vary from host specialism to generalism. Interpreting transcriptome variation relies on well-annotated genomes, making drosophilids valuable model systems, particularly those species with tractable ecological associations. Patterns of whole genome expression and alternate gene splicing in response to growth on different hosts have revealed expression of gene networks of known detoxification genes as well as novel functionally enriched genes of diverse metabolic and structural functions. Integrating trancriptomic responses with fitness differences and levels of phenotypic plasticity in response to alternate hosts will help to reveal the general nature of genotype-phenotype relationships.
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