Genome sizes of grasses (Poaceae), chromosomal evolution, paleogenomics and the ancestral grass karyotype (AGK)

Plant Systematics and Evolution, Journal Year: 2025, Volume and Issue: 311(1)

Published: Jan. 5, 2025

Abstract Grasses are one of the largest angiosperm families, widespread and economically important. Variation in genome size has functional consequences is an essential parameter for understanding evolutionary patterns. In this study, we report nuclear sizes (2C values) 32 species subspecies from 27 genera Poaceae, including most its subfamilies, examined by flow cytometry. Obtained were analyzed together with chromosome numbers to give information on monoploid sets base number x mean then supplemented previously published data obtain a deeper insight into evolution grasses. Monoploid genomes < 0.6 pg/1Cx chromosomes 0.1 pg presumably characteristic subfamilies Arundinoideae, Chloridoideae, Micrairoideae Oryzoideae. The larger 1Cx values (1.2–1.8 pg) evolutionarily ‘early diverging’ Anomochlooideae Pharoideae discussed context origin grasses pan-grass whole-genome duplication. indicate that ancestral grass had size, which less than half assumed. Genome available support concept karyotype (AGK) = 12. AGK seems have been conserved some (Bambusoideae, Oryzoideae, Pharoideae, parts Pooideae), while major rearrangements lineage-specific occurred after separation BOP PACMAD clades, i.e. when diversification their begun.

Language: Английский

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Genome size variation and whole-genome duplications in the monocot order Poales

Plant Systematics and Evolution, Journal Year: 2025, Volume and Issue: 311(1)

Published: Jan. 22, 2025

Language: Английский

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Tribe Paniceae Cereals with Different Ploidy Levels: Setaria italica, Panicum miliaceum, and Echinochloa esculenta

Genes, Journal Year: 2025, Volume and Issue: 16(4), P. 426 - 426

Published: April 1, 2025

Plants have repeatedly undergone whole-genome duplication during their evolutionary history. Even in modern plants, there is diversity ploidy within and between species, providing a snapshot of the turnover ploidy. Here, I will review evolution genome constitution, focusing on millet species Setaria italica, Panicum miliaceum, Echinochloa esculenta. These are all historically important cereal crops that been domesticated East Asia. They display basic chromosome set nine, but they diploid, tetraploid, hexaploid, respectively. The timing different among as extent gene family expansion loss. There also exists complex subgenomic wild each genus. three related suitable models for elucidating molecular by comparative genomic analysis.

Language: Английский

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Flow cytometry in conservation: detecting hybridization risks in threatened plant species

Biodiversity and Conservation, Journal Year: 2025, Volume and Issue: unknown

Published: April 24, 2025

Language: Английский

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Genome sizes of grasses (Poaceae), chromosomal evolution, paleogenomics and the ancestral grass karyotype (AGK)

Research Square (Research Square), Journal Year: 2024, Volume and Issue: unknown

Published: Feb. 2, 2024

Abstract Grasses are one of the largest angiosperm families, widespread and economically important. They have therefore been subject early studies genome size as a fundamental biological trait any organism. Variation in has functional consequences is an essential parameter for understanding evolutionary patterns. In this study, we report nuclear sizes (2C values) 32 species subspecies from 27 genera Poaceae, including most its subfamilies, examined by flow cytometry. Genome were analyzed together with chromosome numbers to give information on monoploid sets base number x mean size. Monoploid genomes < 0.6 pg/1Cx chromosomes 0.1 pg presumably characteristic subfamilies Arundinoideae, Chloridoideae, Micrairoideae Oryzoideae. The larger 1Cx values (1.2–1.3 pg) evolutionarily diverging Anomochlooideae Pharoideae discussed context origin grasses pan-grass whole-genome duplication. data indicate that ancestral grass had size, which less than half previously assumed. available support concept karyotype (AGK) = 12. AGK seems conserved some (Bambusoideae, Oryzoideae, Pharoideae, parts Pooideae), while major rearrangements lineage-specific occurred after separation BOP PACMAD clades, i.e. when diversification their begun.

Language: Английский

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A global blueberry phylogeny: Evolution, diversification, and biogeography of Vaccinieae (Ericaceae)

Molecular Phylogenetics and Evolution, Journal Year: 2024, Volume and Issue: unknown, P. 108202 - 108202

Published: Sept. 1, 2024

Language: Английский

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Karyomorfologi dan Jumlah Kromosom Empat Grup Gyrinops versteegii (Gilg.) Domke. di Lombok

Jurnal Ilmu Kehutanan, Journal Year: 2017, Volume and Issue: 11(2), P. 205 - 205

Published: July 10, 2017

Lombok memiliki empat grup Gyrinops versteegii yang merupakan penghasil gaharu, yaitu Pantai, Buaya, Madu, dan Beringin. Penelitian ini bertujuan untuk mengkaji karyotipe jumlah kromosom G. bermanfaat dalam taksonomi program pemuliaan. Dalam penelitian pembuatan preparat ujung akar menggunakan metode squash. Hasil diperoleh dari adalah semua G.versteegii sama (n = 9) bentuk sama, berbentuk metasentrik pola (2n 18m). Ukuran setiap bervariasi, Pantai ukuran paling panjang 0,53 μm ketiga lain: Buaya (0,27 μm), Madu (0,21 Beringin (0,18 μm).Kata kunci: gaharu; versteegii; karyotipe; kromosom; Karyomorphology and Chromosome Number of Four Groups (Gilg.) Domke. in LombokAbstractLombok has four groups i.e. group. Studies karyomorphology the number chromosomes could be very useful for taxonomy plant breeding. In this study, preparation used a root tip squash method. The results obtained from study: had similar chromosome 9), metacentric chromosomes. Therefore, karyotype formula was 2n 18m. Each group showed variation size: size 0.53 ìm which is longest than other three groups: (0.27 ìm), (0.21 (0.18 ìm).

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Chromosome numbers in Bolboschoenus (Cyperaceae) correspond to main morphotypes at a worldwide scale

Plant Systematics and Evolution, Journal Year: 2024, Volume and Issue: 311(1)

Published: Dec. 14, 2024

Language: Английский

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