ArticleCommunicative & integrative biology2013
Assessing the chemotaxis behavior of Physarum polycephalum to a range of simple volatile organic chemicals.
Article in Communicative & integrative biology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 53 citations in OpenAlex.
- Article
- Different Morphotypes of Physarum polycephalum as Models for Chemotaxis and Locomotion.Methods in molecular biology (Clifton, N.J.) · 2024Article
- Bacterial chemotaxis in a microfluidic T-maze reveals strong phenotypic heterogeneity in chemotactic sensitivity.Nature communications · 2019Article
- Emission and biosynthesis of volatile terpenoids from the plasmodial slime moldBeilstein journal of organic chemistry · 2019Article
- Physarum machines imitating a Roman road network: the 3D approach.Scientific reports · 2017Article
- Plant hairy root cultures as plasmodium modulators of the slime mold emergent computing substrate Physarum polycephalum.Frontiers in microbiology · 2015Article
- Routing of Physarum polycephalum "signals" using simple chemicals.Communicative & integrative biology · 2014Article
Corrections and comments
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Authors and funding
2 authors at 1 institution in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The chemotaxis behavior of the plasmodial stage of the true slime mold Physarum Polycephalum was assessed when given a binary choice between two volatile organic chemicals (VOCs) placed in its environment. All possible binary combinations were tested between 19 separate VOCs selected due to their prevalence and biological activity in common plant and insect species. The slime mold exhibited positive chemotaxis toward a number of VOCs with the following order of preference: Farnesene > β-myrcene > tridecane > limonene > p-cymene > 3-octanone > β-pinene > m-cresol > benzylacetate > cis-3-hexenylacetate. For the remaining compounds, no positive chemotaxis was observed in any of the experiments, and for most compounds there was an inhibitory effect on the growth of the slime mold. By assessing this lack of growth or failure to propagate, it was possible to produce a list of compounds ranked in terms of their inhibitory effect: nonanal > benzaldehyde > methylbenzoate > linalool > methyl-p-benzoquinone > eugenol > benzyl alcohol > geraniol > 2-phenylethanol. This analysis shows a distinct preference of the slime mold for non-oxygenated terpene and terpene-like compounds (farnesene, β-myrcene, limonene, p-cymene and β-pinene). In contrast, terpene-based alcohols such as geraniol and linalool were found to have a strong inhibitory effect on the slime mold. Both the aldehydes utilized in this study had the strongest inhibitory effect on the slime mold of all the 19 VOCs tested. Interestingly, 3-octanone, which has a strong association with a "fungal odor," was the only compound with an oxygenated functionality where Physarum Polycephalum exhibits distinct positive chemotaxis.
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