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tag sex chromosome evolution microbiology genetics genomics

Sex Drives Chromosome Evolution
Ruth Williams | Jul 19, 2012 | 3 min read
A relatively new pair of sex chromosomes in the fruit fly allows researchers to track their evolution from the beginning.
The illustration shows floating chromosomes with a Y-shaped chromosome in the foreground.
Closing the Gaps in the Human Genome: Why Y Was the Final Hurdle
Kamal Nahas, PhD | Aug 28, 2023 | 4 min read
For two decades, scientists struggled to fully sequence the Y chromosome. Finally, researchers have mapped its full length thanks to recent advances in sequencing technology.
bacteria and DNA molecules on a purple background.
Engineering the Microbiome: CRISPR Leads the Way
Mariella Bodemeier Loayza Careaga, PhD | Mar 15, 2024 | 10+ min read
Scientists have genetically modified isolated microbes for decades. Now, using CRISPR, they intend to target entire microbiomes.
Illustration showing a puzzle piece of DNA being removed
Large Scientific Collaborations Aim to Complete Human Genome
Brianna Chrisman and Jordan Eizenga | Sep 1, 2022 | 10+ min read
Thirty years out from the start of the Human Genome Project, researchers have finally finished sequencing the full 3 billion bases of a person’s genetic code. But even a complete reference genome has its shortcomings.
Illustration showing assembly Versus Alignment
Infographic: The Sequencing and Assembly of the Human Genome
Brianna Chrisman and Jordan Eizenga | Sep 1, 2022 | 5 min read
With ever-advancing genetic technologies, researchers continue to document the genetic code of the human species.
Reddish shelf fungi on a log
This Fungus Has More Than 17,000 Sexes
James M. Gaines | Apr 20, 2022 | 4 min read
Advances in sequencing technologies have finally allowed researchers to zero in on the genetic diversity underlying the incredible mating system of shelf fungi.
Microscope image of A549-ACE2 lung cells coinfected with SARS-CoV-2 and a reporter vector containing a key regulatory variant of interest in the region on human chromosome 3
How Genes from Neanderthals Predispose People to Severe COVID-19
Alakananda Dasgupta | Feb 22, 2023 | 4 min read
Researchers dissect the Neanderthal-derived region on chromosome 3 that drives severe COVID-19 to zero in on the key causal variants.
a microscope image of a rotifer
Bacterial Enzyme Keeps Rotifers’ Transposable Elements in Check
Christie Wilcox, PhD | Mar 3, 2022 | 5 min read
Jumping genes in bdelloid rotifers are tamped down by DNA methylation performed by an enzyme pilfered from bacteria roughly 60 million years ago, a study finds.
A desert locust (Schistocerca gregaria) on sand
Genome Spotlight: Desert Locust (Schistocerca gregaria)
Christie Wilcox, PhD | Jul 21, 2022 | 4 min read
A chromosome-scale genome sequence for this infamous agricultural pest could help mitigate its plagues.
An illustration showing a scale weighing two double-stranded pieces of DNA that has a big question mark in the center.
Mouse Foraging Behavior Shaped by Opposite-Sex Parent’s Genes
Dan Robitzski | Apr 12, 2022 | 7 min read
A study in mice finds that for certain genes, one parent’s allele can dominate expression and shape behavior—and which parent’s allele does so varies throughout the body.

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