New paper (behind paywall) Sahelian pastoralism from the perspective of variants associated with lactase persistence, by Priehodová et al. Am J Phys Anthropol (2020) e24116.
Interesting excerpts from the discussion (emphasis mine, minor modifications for clarity):
Our investigation of LP variant frequencies revealed new and interesting results related to the origins of pastoralism and subsequent gene flow between pastoralists and farmers in the Sahel/Savannah belt of Africa.
- We observed a clear distinction between regions west and east of Lake Chad: while variant −13910*T prevails in the western Sahel, where we found it only in pastoralists such as the Fulani,
… Read the rest “Neolithic spread of “Eurasian” Lactase Persistence among Saharan pastoralists”
Open access African evolutionary history inferred from whole genome sequence data of 44 indigenous African populations, by Fan et al. Genome Biology (2019) 20:82.
Interesting excerpts (emphasis mine):
To extend our knowledge of patterns of genomic diversity in Africa, we generated high coverage (30×) genome sequencing data from 43 geographically diverse Africans originating from 22 ethnic groups, representing a broad array of ethnic, linguistic, cultural, and geographic diversity (Additional file 1: Table S1). These include a number of populations of anthropological interest that have never previously been characterized for high-coverage genome sequence diversity such as Afroasiatic-speaking El
… Read the rest “Fulani from Cameroon show ancestry similar to Afroasiatic speakers from East Africa”
Interesting information from ISBA 8 sesions today, as seen on Twitter (see programme in PDF, and sessions from the 19th and the 20th september).
Official abstracts are listed first (emphasis mine), then reports and images and/or link to tweets. Here is the list for quick access:
Scythian population genetics and settlement patterns
Genetic continuity in the western Eurasian Steppe broken not due to Scythian dominance, … Read the rest “Scythians in Ukraine, Natufian and sub-Saharan ancestry in North Africa (ISBA 8, 21st Sep)”
Interesting new paper (behind paywall) Megalakes in the Sahara? A Review, by Quade et al. (2018).
Abstract (emphasis mine):
The Sahara was wetter and greener during multiple interglacial periods of the Quaternary, when some have suggested it featured very large (mega) lakes, ranging in surface area from 30,000 to 350,000 km2. In this paper, we review the physical and biological evidence for these large lakes, especially during the African Humid Period (AHP) 11–5 ka. Megalake systems from around the world provide a checklist of diagnostic features, such as multiple well-defined shoreline benches, wave-rounded beach gravels where coarse material is
… Read the rest “Sahara’s rather pale-green and discontinuous Sahelo-Sudanian steppe corridor, and the R1b – Afroasiatic connection”