We review studies from our laboratories using different molecular tools to characterize the
Amerindian, European and African ancestry of Brazilians. Initially we used uniparental DNA …

As the ancestral homeland of our species, Africa contains elevated levels of genetic diversity
and substantial population structure. Importantly, African genomes are heterogeneous: They …

According to historical records of transatlantic slavery, traders forcibly deported an estimated
12.5 million people from ports along the Atlantic coastline of Africa between the 16th and …

As whole-genome sequencing (WGS) becomes the gold standard tool for studying
population genomics and medical applications, data on diverse non-European and admixed …

Few African Americans have been able to trace family lineages back to ancestors who died
before the 1870 United States Census, the first in which all Black people were listed by …

The human genetic diversity of the Americas has been affected by several events of gene
flow that have continued since the colonial era and the Atlantic slave trade. Moreover …

European-ancestry populations are recognized as stratified but not as admixed, implying
that residual confounding by locus-specific ancestry can affect studies of association …

The clinical condition COVID-19, caused by SARS-CoV-2, was declared a pandemic by the
WHO in March 2020. Currently, there are more than 5 million cases worldwide, and the …

In this study, we present the results of community-engaged ancient DNA research initiated
after the remains of 36 African-descended individuals dating to the late 18th century were …

Asthma is an important health concern in Latin America (LA) where it is associated with
variable prevalence and disease burden between countries. High prevalence and morbidity …