Interactions Between Filamentous Heterotrophs and Cyanobacterium Nostoc muscorum
Author Information
Author(s): Svercel Miroslav, Saladin Bianca, van Moorsel Sofia J, Wolf Sarah, Bagheri Homayoun C
Primary Institution: Institute of Evolutionary Biology and Environmental Studies, University of Zurich
Hypothesis
What are the interactions between filamentous heterotrophic bacteria and the cyanobacterium Nostoc muscorum under different nutrient conditions?
Conclusion
The study found that nutrient levels significantly influence the interactions between filamentous heterotrophs and cyanobacteria, with one heterotroph showing a strong negative effect on cyanobacterial growth under nutrient-rich conditions.
Supporting Evidence
- Fibrella aestuarina significantly reduced the cyanobacterial population.
- Fibrisoma limi did not have a significant effect on cyanobacterial growth.
- Physical contact between heterotrophs and cyanobacteria was observed.
- Cyanobacterial cells showed damage and lysis in the presence of certain heterotrophs.
- Nutrient levels in the cultivation media influenced the interactions between the bacteria.
Takeaway
This study shows that some bacteria can hurt cyanobacteria when there's a lot of food around, but not when there's not much food.
Methodology
The study involved mixed cultures of filamentous heterotrophic bacteria and cyanobacterium grown under different nutrient conditions, with observations made on their interactions and effects on growth.
Limitations
The study primarily focused on two specific heterotrophic strains and their interactions with one cyanobacterial strain, which may limit the generalizability of the findings.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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