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Human Y chromosomes have been difficult to sequence and assemble due to their complex structure. More than half of the Y chromosomes are missing from current human reference genome assembly. Results of this study fill many gaps in the current Y chromosome reference and bring insights into the evolution and variation of different populations. The results also correct assumptions in microbiome studies that misclassify previously unknown human Y chromosome sequences as bacterial sequences. The study was published in the internationally renowned academic journal Nature, which is published by Simon & Schuster. ....
One enzyme plays a key role in how tumor cells replicate and divide indefinitely. Identifying the genes that give these cells their immortality could provide new drug targets to treat cancer. ....
Researchers at Harvard-affiliated Brigham and Women’s Hospital have found that greater adherence to the Mediterranean diet was associated with longer telomeres, which serve as a biomarker for aging. ....