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QqArgBrue

ABSTRACT: Argiope bruennichi (wasp spider), genomic and transcriptomic data

PROVIDER: PRJEB56065 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	ERR10297826_1.fastq.gz	Fastqsanger.gz
	ERR10297826_2.fastq.gz	Fastqsanger.gz
	ERR10224932.fastq.gz	Fastqsanger.gz
	ERR10395966.fastq.gz	Fastqsanger.gz
	ERR10908604_1.fastq.gz	Fastqsanger.gz

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Project description:Species expand their geographic distribution when environmental conditions are favorable or when mutations arise that allow them to live in previously unfavorable conditions. The European wasp spider, Argiope bruennichi, has expanded its range poleward, and populations at the northern edge show higher tolerance to cold and are genetically differentiated from the core populations. To investigate the degree and limits of plasticity in a recently cold-adapted population, we exposed overwintering juveniles (spiderlings) from Estonia to three winter regimes over the course of three months: cold (5°C day, -15°C night), moderate (5°C day, -5 °C night) and warm (15°C day, -5°C night). We expected a differential response to temperature regimes in survival, lipid content, metabolites, and gene expression patterns. The survival probability of the spiderlings and their lipid content decreased over winter, with no significant differences between regimes, demonstrating high temperature tolerance. The contents of saturated and monounsaturated fatty acids per dry weight also did not differ across temperature regimes. However, in spiderlings exposed to the warm winter regime, short-chain omega-3 PUFAs were less abundant and long-chain omega-3 PUFAs more abundant compared to the other regimes. The transcriptomic response was low under the cold regime and much higher under the warm regime as compared to the moderate regime. The affected pathways were related to metabolism, suggesting a more pronounced stress response under the warm temperature regime. Taken together, our findings demonstrate that A. bruennichi spiderlings from a northern population can endure a wide range of winter temperatures. However, the physiological responses to warmer temperatures suggest metabolic costs. These costs may diminish spiderling survival probability when they emerge from the egg sac by negatively affecting web-building behavior and foraging success. We conclude that despite a remarkable temperature tolerance, responses might manifest on a more nuanced scale than survival probability alone.

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QqArgBrue

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