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UrduHighly localized TB strains are less infectious in cosmopolitan cities and more likely to infect people from the geographic area that is the strain’s natural habitat.
Tag: Population Genetics
Human History and Migration of Disease: Study Tracks Spread of Young-Onset Heart Arrhythmia Across Continents
University of Utah Health scientists have documented the spread of a disease gene for the atrial fibrillation, a heart arrhythmia, across continents and over centuries. Understanding the geographic distribution and ancestry of disease could help identify people who are at risk today.
Early breeding reduced harmful mutations in sorghum
A new Cornell University study found that harmful mutations in sorghum landraces – early domesticated crops – decreased compared to their wild relatives through the course of domestication and breeding.
Researchers identify most powerful gene variant for height known to date
• Newly discovered gene variant in Peruvian populations is powerfully linked with height
• Five percent of Peruvians carry the variant, which originates exclusively from Native American populations
• The variant occurs on a gene that, when mutated, causes Marfan syndrome, a condition marked by connective tissue abnormalities, including serious cardiovascular problems
• The newly discovered variant is not associated with disease and may confer adaptive evolutionary advantage to populations that carry it