ArticlePloS one2013
Xylella fastidiosa differentially accumulates mineral elements in biofilm and planktonic cells.
Article in PloS one, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.
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Who cites it
25 citing papers in PubMed, 72 citations in OpenAlex.
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- Phenotypic and Phylogenetic Characterization of Cu Homeostasis amongPathogens (Basel, Switzerland) · 2021Article
- Functionalized microchannels as xylem-mimicking environment: Quantifying X. fastidiosa cell adhesion.Biophysical journal · 2021Article
- Zur: Zinc-Sensing Transcriptional Regulator in a Diverse Set of Bacterial Species.Pathogens (Basel, Switzerland) · 2021Review
- Further In Vitro Assessment and Mid-Term Evaluation of Control Strategy ofPathogens (Basel, Switzerland) · 2021Article
- Zinkicide Is a ZnO-Based Nanoformulation with Bactericidal Activity against Liberibacter crescens in Batch Cultures and in Microfluidic Chambers Simulating Plant Vascular Systems.Applied and environmental microbiology · 2020Article
- Soil and Leaf Ionome Heterogeneity inPlants (Basel, Switzerland) · 2020Article
- Calcium transcriptionally regulates movement, recombination and other functions of Xylella fastidiosa under constant flow inside microfluidic chambers.Microbial biotechnology · 2020Article
- Ionomic Differences between Susceptible and Resistant Olive Cultivars Infected byPathogens (Basel, Switzerland) · 2019Article
- An Osmoregulatory Mechanism Operating through OmpR and LrhA Controls the Motile-Sessile Switch in the Plant Growth-Promoting BacteriumApplied and environmental microbiology · 2019Article
- Effectiveness ofEFSA journal. European Food Safety Authority · 2019Article
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- In Vitro Formation of Dickeya zeae MS1 Biofilm.Current microbiology · 2019Article
- Heavy Metal Ion Stress onFrontiers in microbiology · 2018Article
Corrections and comments
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Xylella fastidiosa is a bacterial plant pathogen that infects numerous plant hosts. Disease develops when the bacterium colonizes the xylem vessels and forms a biofilm. Inductively coupled plasma optical emission spectroscopy was used to examine the mineral element content of this pathogen in biofilm and planktonic states. Significant accumulations of copper (30-fold), manganese (6-fold), zinc (5-fold), calcium (2-fold) and potassium (2-fold) in the biofilm compared to planktonic cells were observed. Other mineral elements such as sodium, magnesium and iron did not significantly differ between biofilm and planktonic cells. The distribution of mineral elements in the planktonic cells loosely mirrors the media composition; however the unique mineral element distribution in biofilm suggests specific mechanisms of accumulation from the media. A cell-to-surface attachment assay shows that addition of 50 to 100 µM Cu to standard X. fastidiosa media increases biofilm, while higher concentrations (>200 µM) slow cell growth and prevent biofilm formation. Moreover cell-to-surface attachment was blocked by specific chelation of copper. Growth of X. fastidiosa in microfluidic chambers under flow conditions showed that addition of 50 µM Cu to the media accelerated attachment and aggregation, while 400 µM prevented this process. Supplementation of standard media with Mn showed increased biofilm formation and cell-to-cell attachment. In contrast, while the biofilm accumulated Zn, supplementation to the media with this element caused inhibited growth of planktonic cells and impaired biofilm formation. Collectively these data suggest roles for these minerals in attachment and biofilm formation and therefore the virulence of this pathogen.
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