Aphids as biosensors
03/15/2016![Aphids puncture the phloem vessels of plants. They can be used as biosensors for measuring electrical signals.](/fileadmin/_processed_/6/c/csm_0315pflanzenelektrik1w_ce52ca0491.jpg)
Do plants have some kind of nervous system? This is difficult to establish as there are no suitable measurement methods around. Plant researchers from Würzburg used aphids for this purpose – and discovered that plants respond differently to different kinds of damage.
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