Results 1 to 10 of about 2,712,368 (347)

A high-quality Buxus austro-yunnanensis (Buxales) genome provides new insights into karyotype evolution in early eudicots [PDF]

BMC Biology, 2022
Background Eudicots are the most diverse group of flowering plants that compromise five well-defined lineages: core eudicots, Ranunculales, Proteales, Trochodendrales, and Buxales.
Zhenyue Wang, Ying Li, Pengchuan Sun, Mingjia Zhu, Dandan Wang, Zhiqiang Lu, Hongyin Hu, Renping Xu, Jin Zhang, Jianxiang Ma, Jianquan Liu, Yongzhi Yang   +11 more
doaj   +5 more sources

Tempo and mode in karyotype evolution revealed by a probabilistic model incorporating both chromosome number and morphology. [PDF]

PLoS Genetics, 2021
Karyotype, including the chromosome and arm numbers, is a fundamental genetic characteristic of all organisms and has long been used as a species-diagnostic character.
Kohta Yoshida, Jun Kitano
doaj   +3 more sources

Dynamics of karyotype evolution. [PDF]

Chaos
In the evolution of species, the karyotype changes with a timescale of tens to hundreds of thousand years. In the development of cancer, the karyotype often is modified in cancerous cells over the lifetime of an individual.
Kuzmin E, Baker TM, Van Loo P, Glass L.
europepmc   +4 more sources

Convergent Patterns of Karyotype Evolution Underlying Karyotype Uniformity in Conifers. [PDF]

Adv Sci (Weinh)
Karyotype diversity plays an important role in speciation and diversification. However, gymnosperms, particularly conifers, exhibit remarkable karyotype uniformity.
Zhang RG, Liu H, Shang HY, Shu H, Liu DT, Yang H, Jia KH, Wang XQ, Sun WB, Zhao W, Ma Y.   +10 more
europepmc   +5 more sources

Comparative Mapping of the Macrochromosomes of Eight Avian Species Provides Further Insight into Their Phylogenetic Relationships and Avian Karyotype Evolution. [PDF]

Cells, 2021
Avian genomes typically consist of ~10 pairs of macro- and ~30 pairs of microchromosomes. While inter-chromosomally, a pattern emerges of very little change (with notable exceptions) throughout evolution, intrachromosomal changes remain relatively poorly
Kiazim LG, O'Connor RE, Larkin DM, Romanov MN, Narushin VG, Brazhnik EA, Griffin DK.   +6 more
europepmc   +4 more sources

Dynamic turnover of centromeres drives karyotype evolution in Drosophila [PDF]

eLife, 2019
Centromeres are the basic unit for chromosome inheritance, but their evolutionary dynamics is poorly understood. We generate high-quality reference genomes for multiple Drosophila obscura group species to reconstruct karyotype evolution.
Ryan Bracewell, Kamalakar Chatla, Matthew J Nalley, Doris Bachtrog   +3 more
doaj   +3 more sources

Comparative Cytogenetics Analysis Among Peckoltia Species (Siluriformes, Loricariidae): Insights on Karyotype Evolution and Biogeography in the Amazon Region. [PDF]

Front Genet, 2021
Peckoltia is widely distributed genus in the Amazon and Orinoco basins and the Guiana Shield, containing 18 valid species, and distinct morphotypes still needing description in the scientific literature due to its great taxonomic complexity.
Santos da Silva K, de Souza ACP, Pety AM, Noronha RCR, Vicari MR, Pieczarka JC, Nagamachi CY.   +6 more
europepmc   +2 more sources

Interspecies Chromosome Mapping in Caprimulgiformes, Piciformes, Suliformes, and Trogoniformes (Aves): Cytogenomic Insight into Microchromosome Organization and Karyotype Evolution in Birds. [PDF]

Cells, 2021
Interchromosomal rearrangements involving microchromosomes are rare events in birds. To date, they have been found mostly in Psittaciformes, Falconiformes, and Cuculiformes, although only a few orders have been analyzed.
Kretschmer R, de Souza MS, Furo IO, Romanov MN, Gunski RJ, Garnero ADV, de Freitas TRO, de Oliveira EHC, O'Connor RE, Griffin DK.   +9 more
europepmc   +2 more sources

Chromosome fusions shaped karyotype evolution and evolutionary relationships in the model family Brassicaceae. [PDF]

Nat Commun
The ancestral crucifer karyotype and 22 conserved genomic blocks (CGBs) facilitate phylogenomic analyses in the Brassicaceae. Chromosomal rearrangements reshuffled CGBs of ancestral chromosomes during karyotype evolution.
Jiang X, Hu Q, Mei D, Li X, Xiang L, Al-Shehbaz IA, Song X, Liu J, Lysak MA, Sun P.   +9 more
europepmc   +2 more sources

The celery genome sequence reveals sequential paleo-polyploidizations, karyotype evolution and resistance gene reduction in apiales. [PDF]

Plant Biotechnol J, 2021
Summary Celery (Apium graveolens L. 2n = 2x = 22), a member of the Apiaceae family, is among the most important and globally grown vegetables. Here, we report a high‐quality genome sequence assembly, anchored to 11 chromosomes, with total length of 3.33 ...
Song X, Sun P, Yuan J, Gong K, Li N, Meng F, Zhang Z, Li X, Hu J, Wang J, Yang Q, Jiao B, Nie F, Liu T, Chen W, Feng S, Pei Q, Yu T, Kang X, Zhao W, Cui C, Yu Y, Wu T, Shan L, Liu M, Qin Z, Lin H, Varshney RK, Li XQ, Paterson AH, Wang X.   +30 more
europepmc   +2 more sources