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Genomic analysis is the identification, measurement or comparison of genomic features such as DNA sequence, structural variation, gene expression, or regulatory and functional element annotation at a genomic scale. Methods for genomic analysis typically require high-throughput sequencing or microarray hybridization and bioinformatics.
Grasses share a whole-genome duplication called rho, but the adaptive implications are unclear. Here, the authors conduct phylogenomic and phylotranscriptomic analyses of 363 grasses, identifying additional whole-genome duplications and finding that duplicates are implicated in environmental adaptations or morphogenesis.
Haplotyping is the process of distinguishing alleles inherited together on a chromosome, a crucial step in assembling and interpreting genome sequences. Here, the authors present a computationally efficient haplotype assembly tool for long read sequencing data.
Endogenous retroviruses (ERVs) are remnants of ancient viruses embedded in animal DNA. This study found that the solitary long terminal repeats of ERVs in birds, particularly Passeriformes, have evolved to influence gene expression, potentially contributing to adaptive diversification of species.
A publication in Nature reports the data release of around 245,000 clinical-grade whole-genome sequences as part of the NIH’s All of Us Research Programme. Several companion papers highlight the value of better capturing global genomic diversity.