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Figure 4 | BMC Biology

Figure 4

From: 'Systems toxicology' approach identifies coordinated metabolic responses to copper in a terrestrial non-model invertebrate, the earthworm Lumbricus rubellus

Figure 4

Effects of copper on histidine compounds. All values presented as either μmol metabolite per gram dry weight tissue or as relative concentration (percentage of alanine). 'Aq.' indicates sample extracted in water, allowing enzymatic proteolysis. 'C.M.' indicates sample extracted in chloroform/methanol, preventing further enzymatic activity.

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