ArticleApplied and environmental microbiology2003
Differential growth response of colony-forming alpha- and gamma-proteobacteria in dilution culture and nutrient addition experiments from Lake Kinneret (Israel), the eastern Mediterranean Sea, and the Gulf of Eilat.
Article in Applied and environmental microbiology, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 70 papers, 1 of them a synthesis that pooled it.
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70 citing papers in PubMed, 1 synthesis or guideline pooled it, 232 citations in OpenAlex.
- A guide to the natural history of freshwater lake bacteria.Microbiology and molecular biology reviews : MMBR · 2011Pooled it
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- Metabolic activity and community structure of prokaryotes associated with particles in the twilight zone of the South China Sea.Frontiers in microbiology · 2022Article
- Host genotype structures the microbiome of a globally dispersed marine phytoplankton.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
- Diatom modulation of select bacteria through use of two unique secondary metabolites.Proceedings of the National Academy of Sciences of the United States of America · 2020Article
- Viral control of biomass and diversity of bacterioplankton in the deep sea.Communications biology · 2020Article
- Changes in Activity and Community Composition Shape Bacterial Responses to Size-Fractionated Marine DOM.Frontiers in microbiology · 2020Article
- Nutrients and Pharmaceuticals Structure Bacterial Core Communities in Urban and Montane Stream Biofilms.Frontiers in microbiology · 2020Article
- Stable Isotope Probing Identifies Bacterioplankton Lineages Capable of Utilizing Dissolved Organic Matter Across a Range of Bioavailability.Frontiers in microbiology · 2020Article
- Labile Dissolved Organic Matter Compound Characteristics Select for Divergence in Marine Bacterial Activity and Transcription.Frontiers in microbiology · 2020Article
- Direct effects of organic pollutants on the growth and gene expression of the Baltic Sea model bacterium Rheinheimera sp. BAL341.Microbial biotechnology · 2019Article
- Particle-Associated Microbial Community in a Subtropical Lake During Thermal Mixing and Phytoplankton Succession.Frontiers in microbiology · 2019Article
10 more citing papers are in PubMed but not listed here.
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Even though it is widely accepted that bacterioplankton growth in lakes and marine ecosystems is determined by the trophic status of the systems, knowledge of the relationship between nutrient concentrations and growth of particular bacterial species is almost nonexistent. To address this question, we performed a series of culture experiments with water from Lake Kinneret (Israel), the eastern Mediterranean Sea, and the Gulf of Eilat (northern Red Sea). In the initial water samples, the proportion of CFU was typically <0.002% of the 4',6'-diamidino-2-phenylindole (DAPI) counts. During incubation until the early stationary phase, the proportion of CFU increased to 20% of the DAPI counts and to 2 to 15% of the DAPI counts in unenriched lake water and seawater dilution cultures, respectively. Sequencing of the 16S ribosomal DNA of colony-forming bacteria in these cultures consistently revealed an abundance of alpha-proteobacteria, but notable phylogenetic differences were found at the genus level. Marine dilution cultures were dominated by bacteria in the Roseobacter clade, while lake dilution cultures were dominated by bacteria affiliated with the genera Sphingomonas and CAULOBACTER: In nutrient (glucose, ammonium, phosphate) addition experiments the CFU comprised 20 to 83% of the newly grown cells. In these incubation experiments fast-growing gamma-proteobacteria dominated; in the marine experiments primarily different Vibrio and Alteromonas species appeared, while in the lake water experiments species of the genera Shewanella, Aeromonas, and Rheinheimera grew. These results suggest that major, but different, gamma-proteobacterial genera in both freshwater and marine environments have a preference for elevated concentrations of nutrients and easily assimilated organic carbon sources but are selectively outcompeted by alpha-proteobacteria in the presence of low nutrient concentrations.
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