Landmark-Based Method Quantifies Chromosomal Structural Variants
A new geo-metric method uses conserved DNA sequences as landmarks to quantify chromosomal structural variants across species.
Tag: chromosome evolution
Repetitive DNA Expansion Disrupts Gene Density Uniformity Across Vertebrate Chromosomes
A comparative analysis of 262 vertebrate genomes finds that recently expanded SINE retroelements are the strongest predictor of uneven gene ...
Ethiopian killifish population adds detailed karyotype data for Epiplatys spilargyreius
A cytogenetic study of three successfully karyotyped Epiplatys spilargyreius from Ethiopia found 34 chromosomes and a fundamental number of 52.
Holokinetic chromosomes reshape—but do not accelerate—insect genome evolution
A comparative review finds that widespread holokinetic chromosomes permit chromosome fissions and fusions but do not generally produce faster karyotype ...
Nile pufferfish karyotype reveals first chromosome data for Tetraodon genus
A preliminary chromosome study of the Nile pufferfish Tetraodon lineatus from Ethiopia reports 2n = 40 and FN = 52, ...
Cytogenetics of Cucurbitaceae: new review maps chromosome evolution in gourds
A comprehensive new review collates global cytogenetic data on Cucurbitaceae, revealing chromosome number variation, genome size differences, and evolutionary trends ...
Island Snakeheads Reveal How Isolation Reshapes Fish Chromosomes
A new cytogenetic study of snakehead fishes from Vietnam's Phu Quoc Island shows that population isolation drives rapid chromosomal diversification.
Hymenoptera Chromosome Research Shifts to Cytogenomics
Research on Hymenoptera chromosomes is transitioning from traditional cytogenetics to cytogenomics, integrating molecular and computational methods to reveal complex evolutionary ...
Scientists Decode the Second Complete Bird Ribosomal DNA Sequence in the Japanese Quail
Researchers have assembled the complete 21,166-base-pair ribosomal DNA repeat unit of the Japanese quail, only the second fully deciphered avian ...
Sawfly and gall wasp chromosomes reveal ancestral rDNA blueprint for Hymenoptera
FISH mapping of rDNA clusters in sawflies and a gall wasp confirms that a single pericentromeric rDNA site per haploid ...
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Mothers who receive childcare support from maternal grandparents show more parental warmth, finds NTU Singapore study
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University of Seville Breaks 120-Year-Old Mystery, Revises a Key Einstein Concept
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Bee body mass, pathogens and local climate influence heat tolerance
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Researchers record first-ever images and data of a shark experiencing a boat strike
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Groundbreaking Clinical Trial Reveals Lubiprostone Enhances Kidney Function
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