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Junk Dna

All articles tagged with #junk dna

science5 months ago

Comprehensive Insights into Human Genome Variability from the 1000 Genomes Project

Scientists have released the most detailed map of human genetic variation by sequencing over 1,000 genomes worldwide, revealing new insights into structural variants, repetitive DNA, and transposons, which could impact understanding of human health and disease. The studies also highlight technological advances that allow for more complete and accurate genome assemblies, including the first gapless human genome and detailed analysis of centromeres and jumping genes.

science-and-technology2 years ago

Decoding the Impact of 'Junk DNA' on Gene Expression: Stanford Study Reveals Insights

A new study has shed light on how noncoding regions of the genome, previously referred to as "junk DNA," influence gene expression. The research focused on short tandem repeats (STRs), which make up about 5% of the human genome. By studying how STRs interact with transcription factors, the study revealed that the sequence of STRs around a motif can have a significant impact on transcription factor binding, potentially affecting gene expression. The findings could help researchers better understand complex genetic conditions such as autism, schizophrenia, cancer, and Crohn's disease, and provide insights into the role of noncoding regions in polygenic diseases.