ArticleApplied and environmental microbiology2006
Culture isolation and culture-independent clone libraries reveal new marine Synechococcus ecotypes with distinctive light and N physiologies.
Article in Applied and environmental microbiology, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 52 papers.
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52 citing papers in PubMed.
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- Picocyanobacteria in the Chesapeake Bay: isolation, diversity, and adaptation.Marine life science & technology · 2025Review
- Seasonal Variations of Community Structure and Functional Genes ofMicroorganisms · 2025Article
- Seasonal blooms ofFrontiers in microbiology · 2025Article
- Synechococcus nitrogen gene loss in iron-limited ocean regions.ISME communications · 2023Article
- Marine picocyanobacterial PhnD1 shows specificity for various phosphorus sources but likely represents a constitutive inorganic phosphate transporter.The ISME journal · 2023Article
- Network pharmacology‒based analysis of marine cyanobacteria derived bioactive compounds for application to Alzheimer's disease.Frontiers in pharmacology · 2023Article
- Article
- Population structure of an Antarctic aquatic cyanobacterium.Microbiome · 2022Article
- Diversity strengthens competing teams.Royal Society open science · 2022Article
- The "Dark Side" of Picocyanobacteria: Life as We Do Not Know It (Yet).Microorganisms · 2022Review
- Filter Plating Method for Rendering Picocyanobacteria Cultures Free of Heterotrophic Bacterial Contaminants and Clonal.Frontiers in microbiology · 2022Article
- Phylogenetic Structure ofFrontiers in microbiology · 2022Article
- Spatio-Temporal Variation ofFrontiers in microbiology · 2022Article
- Seasonal environmental variability drives microdiversity within a coastal Synechococcus population.Environmental microbiology · 2021Article
- Biodiversity of marine microbes is safeguarded by phenotypic heterogeneity in ecological traits.PloS one · 2021Article
- Spatial Distribution Patterns of Bacterioplankton in the Oxygen Minimum Zone of the Tropical Mexican Pacific.Microbial ecology · 2020Article
- Whole-Genome Sequence of the CyanobacteriumMicrobiology resource announcements · 2020Article
- Functional Seasonality of Free-Living and Particle-Associated Prokaryotic Communities in the Coastal Adriatic Sea.Frontiers in microbiology · 2020Article
- Genomic Comparison and Spatial Distribution of DifferentFrontiers in microbiology · 2020Article
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Abstract
Marine microbial communities often contain multiple closely related phylogenetic clades, but in many cases, it is still unclear what physiological traits differentiate these putative ecotypes. The numerically abundant marine cyanobacterium Synechococcus can be divided into at least 14 clades. In order to better understand ecotype differentiation in this genus, we assessed the diversity of a Synechococcus community from a well-mixed water column in the Sargasso Sea during March 2002, a time of year when this genus typically reaches its annual peak in abundance. Diversity was estimated from water sampled at three depths (approximately 5, 70, and 170 m) using both culture isolation and construction of cyanobacterial 16S-23S rRNA internal transcribed sequence clone libraries. Clonal isolates were obtained by enrichment with ammonium, nitrite, or nitrate as the sole N source, followed by pour plating. Each method sampled the in situ diversity differently. The combined methods revealed a total of seven Synechococcus phylotypes including two new putative ecotypes, labeled XV and XVI. Although most other isolates grow on nitrate, clade XV exhibited a reduced efficiency in nitrate utilization, and both clade XV and XVI are capable of chromatic adaptation, demonstrating that this trait is more widely distributed among Synechococcus strains than previously known. Thus, as in its sister genus Prochlorococcus, light and nitrogen utilization are important factors in ecotype differentiation in the marine Synechococcus lineage.
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