ArticleGenome biology and evolution2015
A Model of Genome Size Evolution for Prokaryotes in Stable and Fluctuating Environments.
Article in Genome biology and evolution, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 44 papers.
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Who cites it
44 citing papers in PubMed.
- Replication Rate-Information Storage Trade-Off Shapes Genome Architecture Across Domains.Journal of molecular evolution · 2026Article
- Linkage of nucleotide and functional diversity varies across gut bacteria.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
- Earthworm gut's potential positive impact on carbon cycle by influencing carbohydrate metabolism and microbial genome size.Fundamental research · 2026Article
- Root microbiome dynamics favor slow-growth strategies duringISME communications · 2026Article
- Microbial model communities exhibit widespread metabolic interdependencies.Communications biology · 2025Article
- Widely-distributed freshwater microorganisms with streamlined genomes co-occur in cohorts with high abundance.Scientific reports · 2025Article
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- Diversification, niche adaptation, and evolution of a candidate phylum thriving in the deep Critical Zone.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Microbial functional diversity and redundancy: moving forward.FEMS microbiology reviews · 2025Review
- Biogeography of soda lake microbiome and uneven cross-continent transition rates.Frontiers in microbiology · 2025Article
- Glacier influence shapes the genomic architecture of the downstream aquatic microbiome.ISME communications · 2025Article
- Article
- Cross-biome microbial networks reveal functional redundancy and suggest genome reduction through functional complementarity.Communications biology · 2024Article
- The cost of adaptability: resource availability constrains functional stability under pulsed disturbances.mSphere · 2024Article
- Niche breadth specialization impacts ecological and evolutionary adaptation following environmental change.The ISME journal · 2024Article
- Unveiling the hidden diversity and functional role of Chloroflexota in full-scale wastewater treatment plants through genome-centric analyses.ISME communications · 2024Article
- Bacterial genome size and gene functional diversity negatively correlate with taxonomic diversity along a pH gradient.Nature communications · 2023Article
- Genomics of soil depth niche partitioning in the Thaumarchaeota family Gagatemarchaeaceae.Nature communications · 2023Article
- A social niche breadth score reveals niche range strategies of generalists and specialists.Nature ecology & evolution · 2023Article
- Genome size variation withinEcology and evolution · 2023Article
Corrections and comments
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Temporal variability in ecosystems significantly impacts species diversity and ecosystem productivity and therefore the evolution of organisms. Different levels of environmental perturbations such as seasonal fluctuations, natural disasters, and global change have different impacts on organisms and therefore their ability to acclimatize and adapt. Thus, to understand how organisms evolve under different perturbations is a key for predicting how environmental change will impact species diversity and ecosystem productivity. Here, we developed a computer simulation utilizing the individual-based model approach to investigate genome size evolution of a haploid, clonal and free-living prokaryotic population across different levels of environmental perturbations. Our results show that a greater variability of the environment resulted in genomes with a larger number of genes. Environmental perturbations were more effectively buffered by populations of individuals with relatively large genomes. Unpredictable changes of the environment led to a series of population bottlenecks followed by adaptive radiations. Our model shows that the evolution of genome size is indirectly driven by the temporal variability of the environment. This complements the effects of natural selection directly acting on genome optimization. Furthermore, species that have evolved in relatively stable environments may face the greatest risk of extinction under global change as genome streamlining genetically constrains their ability to acclimatize to the new environmental conditions, unless mechanisms of genetic diversification such as horizontal gene transfer will enrich their gene pool and therefore their potential to adapt.
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