ArticleAnnals of botany2015
Capture of algae promotes growth and propagation in aquatic Utricularia.
Article in Annals of botany, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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14 citing papers in PubMed, 24 citations in OpenAlex.
- Carnivorous Plants as Model Species for Recent and Further Studies.Results and problems in cell differentiation · 2026Review
- Microscopy observations reveal a new glandular morphology in four Pinguicula L. species.BMC research notes · 2024Article
- Homogalacturonans and Hemicelluloses in the External Glands ofInternational journal of molecular sciences · 2024Article
- To eat or not to eat: novel stable isotope models reveal a shift in carnivory with nutrient availability for aquatic Utricularia spp.Annals of botany · 2024Article
- Rapid movements in plants.Journal of plant research · 2021Review
- Article
- Jasmonate-independent regulation of digestive enzyme activity in the carnivorous butterwort Pinguicula × Tina.Journal of experimental botany · 2020Article
- Picky carnivorous plants? Investigating preferences for preys' trophic levels - a stable isotope natural abundance approach with two terrestrial and two aquatic Lentibulariaceae tested in Central Europe.Annals of botany · 2019Article
- Comparative Prey Spectra Analyses on the Endangered Aquatic Carnivorous Waterwheel Plant (Integrative organismal biology (Oxford, England) · 2019Article
- Delayed selfing ensures reproductive assurance in Utricularia praeterita and Utricularia babui in Western Ghats.Journal of plant research · 2018Article
- Occurrence of myo-inositol and alkyl-substituted polysaccharide in the prey-trapping mucilage of Drosera capensis.Die Naturwissenschaften · 2017Article
- Trap diversity and character evolution in carnivorous bladderworts (Utricularia, Lentibulariaceae).Scientific reports · 2017Article
- Fastest predators in the plant kingdom: functional morphology and biomechanics of suction traps found in the largest genus of carnivorous plants.AoB PLANTS · 2015Article
- A novel insight into the cost-benefit model for the evolution of botanical carnivory.Annals of botany · 2015Review
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND AND
aimsSome carnivorous plants trap not only small animals but also algae and pollen grains. However, it remains unclear if these trapped particles are useless bycatch or whether they provide nutrients for the plant. The present study examines this question in Utricularia, which forms the largest and most widely spread genus of carnivorous plants, and which captures prey by means of sophisticated suction traps.
methodsUtricularia plants of three different species (U. australis, U. vulgaris and U. minor) were collected in eight different water bodies including peat bogs, lakes and artificial ponds in three regions of Austria. The prey spectrum of each population was analysed qualitatively and quantitatively, and correlated with data on growth and propagation, C/N ratio and δ(15)N. KEY
resultsMore than 50 % of the prey of the Utricularia populations investigated consisted of algae and pollen, and U. vulgaris in particular was found to capture large amounts of gymnosperm pollen. The capture of algae and pollen grains was strongly correlated with most growth parameters, including weight, length, budding and elongation of internodes. The C/N ratio, however, was less well correlated. Other prey, such as moss leaflets, fungal hyphae and mineral particles, were negatively correlated with most growth parameters. δ(15)N was positively correlated with prey capture, but in situations where algae were the main prey objects it was found that the standard formula for calculation of prey-derived N was no longer applicable.
conclusionsThe mass capture of immotile particles confirms the ecological importance of autonomous firing of the traps. Although the C/N ratio was little influenced by algae, they clearly provide other nutrients, possibly including phosphorus and trace elements. By contrast, mosses, fungi and mineral particles appear to be useless bycatch. Correlations with chemical parameters indicate that Utricularia benefits from nutrient-rich waters by uptake of inorganic nutrients from the water, by the production of more traps per unit of shoot length, and by the capture of more prey particles per trap, as nutrient-rich waters harbour more prey organisms.
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