ArticleGenome biology2008
Unraveling the genomic mosaic of a ubiquitous genus of marine cyanobacteria.
Article in Genome biology, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 150 papers.
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Who cites it
150 citing papers in PubMed.
- Environmental disturbances and cyanobacterial traits shape prokaryotic dynamics in a eutrophic Mediterranean coastal lagoon.Environmental microbiome · 2026Article
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- Distribution and Phylogenetic Diversity ofPlants (Basel, Switzerland) · 2025Article
- Picocyanobacteria in the Chesapeake Bay: isolation, diversity, and adaptation.Marine life science & technology · 2025Review
- Simultaneous acclimation to nitrogen and iron scarcity in open ocean cyanobacteria revealed by sparse tensor decomposition of metatranscriptomes.Science advances · 2025Article
- Temporal and Spatial Dynamics of Synechococcus Clade II and Other Microbes in the Eutrophic Subtropical San Diego Bay.Environmental microbiology · 2025Article
- Adaptive loss of tRNA gene expression leads to phage resistance in a marine Synechococcus cyanobacterium.Nature microbiology · 2025Article
- The rDNA Diversity, Interseasonal Dynamic, and Functional Role of CyanobacteriaPlants (Basel, Switzerland) · 2024Article
- Convergent reductive evolution of cyanobacteria in symbiosis with Dinophysiales dinoflagellates.Scientific reports · 2024Article
- A distinct, high-affinity, alkaline phosphatase facilitates occupation of P-depleted environments by marine picocyanobacteria.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Substrate specificity and ecological significance of PstS homologs in phosphorus uptake in marineMicrobiology spectrum · 2024Article
- Coordinated transcriptional response to environmental stress by a Synechococcus virus.The ISME journal · 2024Article
- Seasonal and spatial variations ofFrontiers in microbiology · 2023Article
- Comprehensive genomic analysis ofComputational and structural biotechnology journal · 2023Article
- Global Phylogeography of MarinemSystems · 2022Article
- ProX from marine Synechococcus spp. show a sole preference for glycine-betaine with differential affinity between ecotypes.Environmental microbiology · 2022Article
- α-cyanobacteria possessing form IA RuBisCO globally dominate aquatic habitats.The ISME journal · 2022Article
- Article
- Genome Sequence of the EstuarineMicrobiology resource announcements · 2022Article
- Elucidating the picocyanobacteria salinity divide through ecogenomics of new freshwater isolates.BMC biology · 2022Article
90 more citing papers are in PubMed but not listed here.
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Authors and funding
15 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe picocyanobacterial genus Synechococcus occurs over wide oceanic expanses, having colonized most available niches in the photic zone. Large scale distribution patterns of the different Synechococcus clades (based on 16S rRNA gene markers) suggest the occurrence of two major lifestyles ('opportunists'/'specialists'), corresponding to two distinct broad habitats ('coastal'/'open ocean'). Yet, the genetic basis of niche partitioning is still poorly understood in this ecologically important group.
resultsHere, we compare the genomes of 11 marine Synechococcus isolates, representing 10 distinct lineages. Phylogenies inferred from the core genome allowed us to refine the taxonomic relationships between clades by revealing a clear dichotomy within the main subcluster, reminiscent of the two aforementioned lifestyles. Genome size is strongly correlated with the cumulative lengths of hypervariable regions (or 'islands'). One of these, encompassing most genes encoding the light-harvesting phycobilisome rod complexes, is involved in adaptation to changes in light quality and has clearly been transferred between members of different Synechococcus lineages. Furthermore, we observed that two strains (RS9917 and WH5701) that have similar pigmentation and physiology have an unusually high number of genes in common, given their phylogenetic distance.
conclusionWe propose that while members of a given marine Synechococcus lineage may have the same broad geographical distribution, local niche occupancy is facilitated by lateral gene transfers, a process in which genomic islands play a key role as a repository for transferred genes. Our work also highlights the need for developing picocyanobacterial systematics based on genome-derived parameters combined with ecological and physiological data.
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