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Insect gut metagenome

ABSTRACT: Spruce budworm midgut Raw sequence reads

PROVIDER: PRJNA300845 | ENA |

REPOSITORIES: ENA

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Dataset's files

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			Action	DRS
	SRR2914470.fastq.gz	Fastqsanger.gz
	SRR2914480.fastq.gz	Fastqsanger.gz
	SRR2914490.fastq.gz	Fastqsanger.gz
	SRR2914500.fastq.gz	Fastqsanger.gz
	SRR2914471.fastq.gz	Fastqsanger.gz

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Project description:We report the discovery of a beta-glucosidase gene (Pgβglu-1) whose expression underpins natural resistance to a major forest pest, the spruce budworm (SBW) in white spruce (Picea glauca (Voss.) Moench). We performed a microarray experiment to compare resistant (R) and non-resistant (N-R) trees. Pgβglu-1 transcripts levels uniquely were up to 1000 times higher in phenotypically resistant trees and correlated with accumulation of acetophenones compounds that reduce SBW development. These resistance traits were heritable, temporally correlated with the emergence of the most damaging larval stages and were highly variable in the natural population across a large geographic area. The recombinant gene product specifically catalyzed the release of biologically active acetophenones from their glucoside precursors. SBW outbreaks have become more frequent and intense; therefore, the phenotypic diversity resulting from variation in Pgβglu-1 expression may be a key for the adaptability of spruce populations.

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