Abstract
Subtractive suppressive hybridization (SSH) was used to characterize the diapause transcriptome of the flesh fly Sarcophaga crassipalpis. Through these efforts, we isolated 97 unique clones which were used as probes in northern hybridization to assess their expression during diapause. Of these, 17 were confirmed to be diapause upregulated and 1 was diapause downregulated, while 12 were shown to be unaffected by diapause in this species. The diapause upregulated genes fall into several broad categories including heat shock proteins, heavy metal responsive genes, neuropeptides, structural genes, regulatory elements, and several genes of unknown function. In combination with other large-scale analyses of gene expression during diapause, this study assists in the characterization of the S. crassipalpis diapause transcriptome, and begins to identify common elements involved in diapause across diverse taxa.
Published by Elsevier Ltd.
Publication types
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Research Support, U.S. Gov't, Non-P.H.S.
MeSH terms
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Animals
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Blotting, Northern
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Cloning, Molecular
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DNA / genetics
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Diptera / genetics*
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Diptera / physiology
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Down-Regulation / genetics
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Down-Regulation / physiology
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Gene Expression Regulation / genetics
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Gene Expression Regulation / physiology
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Genes, Insect / genetics*
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Genes, Insect / physiology
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Insect Hormones / genetics*
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Molecular Sequence Data
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Nucleic Acid Hybridization / methods*
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Polymerase Chain Reaction
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Up-Regulation / genetics
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Up-Regulation / physiology
Associated data
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