Articles tagged with Segmental Duplication
The study provides a comprehensive reference for six ape species, including siamang, Sumatran orangutan, gorilla, bonobo, and chimpanzee. The ape genomes offer new insights into human and ape evolution, genetic differences among species, and potential therapeutic applications.
The study has shed light on how cats evolved into different species and how genetic changes relate to survival abilities like smell detection. It also revealed that cat genomes tend to have fewer complex genetic variations than other mammal groups, such as primates.
The study reveals extensive genome size variation among closely related algal strains, with a more than twofold range of approximately 450-1,100 megabases. Genome-wide copy number variation, rather than duplication or proliferation, drives this dynamics, suggesting rapid changes in genome size through frequent duplications and deletions.
The Human Pangenome Reference Consortium expands and updates the human genome project with nearly full genomic data from 47 people of diverse ancestry. Researchers at UW Medicine made significant contributions to drafting the pangenome reference and studying variation within repetitive DNA, which could improve equity in human genome re...
The completed human genome assembly has revealed new insights into human evolution and diseases. Researchers found that highly repetitive regions, including segmental duplications, contain genes critical for brain development and function. These findings shed light on the genetic factors that make humans distinct from other primates.
Researchers found duplications of noncoding DNA that may explain genetic contributions to human disease and evolution. These duplications, which include regulatory sequences, may have impacted the expression of genes nearby or elsewhere in the genome.
A newly designed computational method has enabled accurate counting of duplicated genome sequences, revealing key findings on gene copy-number variation and its association with diseases. The study's results have significant implications for understanding human genetic variation and its impact on health.
Researchers found that large-scale segmental duplications account for 2.7% of the human genome, while single base-pair changes make up only 1.2%. These duplication events have altered gene expression, with some segments implicated in human developmental disorders such as spinal muscular atrophy and Prader-Willi syndrome.
A recent study has mapped the chimpanzee genome onto the human genome sequence, revealing a 2.7% difference in segmental duplications. The researchers found that around a third of duplications are unique to humans, while some segments show 'hyperexpansions' with up to 400 copies in chimpanzees.
The International Human Genome Sequencing Consortium has completed the human genome sequence, confirming 19,599 protein-coding genes and identifying 2,188 potential protein-coding genes. The finished sequence covers over 99% of the euchromatic portion with an error rate of 1 base per 100,000 base pairs.
The Arabidopsis thaliana plant's genetic evidence suggests it emerged between 50 and 200 million years ago. Researchers used computational tools to analyze its genome, finding duplicated chromosome segments that date back to ancient polyploid events, providing insights into the evolution of agricultural crops.