ArticleAnnals of botany2005
Genome evolution in the genus Sorghum (Poaceae).
Article in Annals of botany, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 66 papers.
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Who cites it
66 citing papers in PubMed.
- Multi-locus genome-wide association studies for root system architectural traits in Ethiopian sorghum (Sorghum bicolor L.) landraces.BMC plant biology · 2025Article
- Phylogenomic and synteny analysis of BAHD and SCP/SCPL gene families reveal their evolutionary histories in plant specialized metabolism.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2024Article
- A complete assembly of the sorghum BTx623 reference genome.Plant communications · 2024Article
- Nuclear DNA Amounts in Chinese Bryophytes Estimated by Flow Cytometry: Variation Patterns and Biological Significances.Plants (Basel, Switzerland) · 2023Article
- Genetic control of morphological traits useful for improving sorghum.Breeding science · 2023Article
- Genome of Paspalum vaginatum and the role of trehalose mediated autophagy in increasing maize biomass.Nature communications · 2022Article
- Aldehyde dehydrogenase superfamily in sorghum: genome-wide identification, evolution, and transcript profiling during development stages and stress conditions.BMC plant biology · 2022Article
- Article
- Cyanogenesis in theGenes · 2022Article
- Elucidation of Triacylglycerol Overproduction in the CFrontiers in plant science · 2022Article
- Phylogenetic relationships in the Sorghum genus based on sequencing of the chloroplast and nuclear genes.The plant genome · 2021Article
- Improving abiotic stress tolerance in sorghum: focus on the nutrient transporters and marker-assisted breeding.Planta · 2021Review
- Genetic dissection of QTLs associated with spikelet-related traits and grain size in sorghum.Scientific reports · 2021Article
- A phylogenetic analysis of Momordica (Cucurbitaceae) in India based on karyo-morphology, nuclear DNA content and rDNA ITS1-5.8S-ITS2 sequences.Protoplasma · 2021Article
- The B chromosome of Sorghum purpureosericeum reveals the first pieces of its sequence.Journal of experimental botany · 2021Article
- Sorghum Pan-Genome Explores the Functional Utility for Genomic-Assisted Breeding to Accelerate the Genetic Gain.Frontiers in plant science · 2021Article
- The Evolutionary Dynamics of Repetitive DNA and Its Impact on the Genome Diversification in the GenusFrontiers in plant science · 2021Article
- Article
- Genome-wide association analysis of the strength of the MAMP-elicited defense response and resistance to target leaf spot in sorghum.Scientific reports · 2020Article
- Wild Sorghum as a Promising Resource for Crop Improvement.Frontiers in plant science · 2020Review
6 more citing papers are in PubMed but not listed here.
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6 authors.
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No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND AND
aimsThe roles of variation in DNA content in plant evolution and adaptation remain a major biological enigma. Chromosome number and 2C DNA content were determined for 21 of the 25 species of the genus Sorghum and analysed from a phylogenetic perspective.
methodsDNA content was determined by flow cytometry. A Sorghum phylogeny was constructed based on combined nuclear ITS and chloroplast ndhF DNA sequences. KEY
resultsChromosome counts (2n = 10, 20, 30, 40) were, with few exceptions, concordant with published numbers. New chromosome numbers were obtained for S. amplum (2n = 30) and S. leiocladum (2n = 10). 2C DNA content varies 8.1-fold (1.27-10.30 pg) among the 21 Sorghum species. 2C DNA content varies 3.6-fold from 1.27 pg to 4.60 pg among the 2n = 10 species and 5.8-fold (1.52-8.79 pg) among the 2n = 20 species. The x = 5 genome size varies over an 8.8-fold range from 0.26 pg to 2.30 pg. The mean 2C DNA content of perennial species (6.20 pg) is significantly greater than the mean (2.92 pg) of the annuals. Among the 21 species studied, the mean x = 5 genome size of annuals (1.15 pg) and of perennials (1.29 pg) is not significantly different. Statistical analysis of Australian species showed: (a) mean 2C DNA content of annual (2.89 pg) and perennial (7.73 pg) species is significantly different; (b) mean x = 5 genome size of perennials (1.66 pg) is significantly greater than that of the annuals (1.09 pg); (c) the mean maximum latitude at which perennial species grow (-25.4 degrees) is significantly greater than the mean maximum latitude (-17.6) at which annual species grow.
conclusionsThe DNA sequence phylogeny splits Sorghum into two lineages, one comprising the 2n = 10 species with large genomes and their polyploid relatives, and the other with the 2n = 20, 40 species with relatively small genomes. An apparent phylogenetic reduction in genome size has occurred in the 2n = 10 lineage. Genome size evolution in the genus Sorghum apparently did not involve a 'one way ticket to genomic obesity' as has been proposed for the grasses.
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