ArticleFrontiers in microbiology2011
Two Strains of Crocosphaera watsonii with Highly Conserved Genomes are Distinguished by Strain-Specific Features.
Article in Frontiers in microbiology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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Who cites it
19 citing papers in PubMed, 40 citations in OpenAlex.
- Article
- Isolation and biogeography of the oligotrophic ocean diazotroph, Crocosphaera waterburyi nov. sp.The ISME journal · 2024Article
- L-Lactate treatment by photosynthetic cyanobacteria expressing heterogeneous L-lactate dehydrogenase.Scientific reports · 2023Article
- Soil microbial trait-based strategies drive metabolic efficiency along an altitude gradient.ISME communications · 2021Article
- Double-stranded DNA virioplankton dynamics and reproductive strategies in the oligotrophic open ocean water column.The ISME journal · 2020Article
- Draft Genome Sequence of the Non-Microcystin-Producing Microcystis aeruginosa Strain KLA2, Isolated from a Freshwater Reservoir in Northern California, USA.Microbiology resource announcements · 2020Article
- The genetic diversity and evolution of diatom-diazotroph associations highlights traits favoring symbiont integration.FEMS microbiology letters · 2019Article
- The future of genomics in polar and alpine cyanobacteria.FEMS microbiology ecology · 2018Article
- High abundance and expression of transposases in bacteria from the Baltic Sea.The ISME journal · 2017Article
- Coordinated regulation of growth, activity and transcription in natural populations of the unicellular nitrogen-fixing cyanobacterium Crocosphaera.Nature microbiology · 2017Article
- The Green Berry Consortia of the Sippewissett Salt Marsh: Millimeter-Sized Aggregates of Diazotrophic Unicellular Cyanobacteria.Frontiers in microbiology · 2017Article
- Whole genomic DNA sequencing and comparative genomic analysis of Arthrospira platensis: high genome plasticity and genetic diversity.DNA research : an international journal for rapid publication of reports on genes and genomes · 2016Article
- Reconstructing the complex evolutionary history of mobile plasmids in red algal genomes.Scientific reports · 2016Article
- Trichodesmium genome maintains abundant, widespread noncoding DNA in situ, despite oligotrophic lifestyle.Proceedings of the National Academy of Sciences of the United States of America · 2015Article
- Highly dynamic genomic loci drive the synthesis of two types of capsular or secreted polysaccharides within the Mycoplasma mycoides cluster.Applied and environmental microbiology · 2015Article
- Comparative genomics reveals surprising divergence of two closely related strains of uncultivated UCYN-A cyanobacteria.The ISME journal · 2014Article
- Whole genome comparison of six Crocosphaera watsonii strains with differing phenotypes.Journal of phycology · 2013Article
- Article
- Constitutive Extracellular Polysaccharide (EPS) Production by Specific Isolates of Crocosphaera watsonii.Frontiers in microbiology · 2011Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Unicellular nitrogen-fixing cyanobacteria are important components of marine phytoplankton. Although non-nitrogen-fixing marine phytoplankton generally exhibit high gene sequence and genomic diversity, gene sequences of natural populations and isolated strains of Crocosphaerawatsonii, one of the two most abundant open ocean unicellular cyanobacteria groups, have been shown to be 98-100% identical. The low sequence diversity in Crocosphaera is a dramatic contrast to sympatric species of Prochlorococcus and Synechococcus, and raises the question of how genome differences can explain observed phenotypic diversity among Crocosphaera strains. Here we show, through whole genome comparisons of two phenotypically different strains, that there are strain-specific sequences in each genome, and numerous genome rearrangements, despite exceptionally low sequence diversity in shared genomic regions. Some of the strain-specific sequences encode functions that explain observed phenotypic differences, such as exopolysaccharide biosynthesis. The pattern of strain-specific sequences distributed throughout the genomes, along with rearrangements in shared sequences is evidence of significant genetic mobility that may be attributed to the hundreds of transposase genes found in both strains. Furthermore, such genetic mobility appears to be the main mechanism of strain divergence in Crocosphaera which do not accumulate DNA microheterogeneity over the vast majority of their genomes. The strain-specific sequences found in this study provide tools for future physiological studies, as well as genetic markers to help determine the relative abundance of phenotypes in natural populations.
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