Worldwide Patterns of Ancestry, Divergence, and Admixture in Domesticated Cattle
http://journals.plos.org/plosgenetics/article?id=10.1371/journal.pgen.1004254
Bos taurus taurus was domesticated in the Middle East while Bos taurus indicus was domesticated in India.
It is likely is that a hypothetical Punjab_N population from even before agriculture would have been related to the Iran_N people, somewhere along a cline between Iran_N in Iran (whose aDNA has been found) and peoples in India's interior.
If Iran_N(eolithic) ingressed into India with a demic diffusion of agriculture, they didn't bring their cattle along.
http://journals.plos.org/plosgenetics/article?id=10.1371/journal.pgen.1004254
Bos taurus taurus was domesticated in the Middle East while Bos taurus indicus was domesticated in India.
It is likely is that a hypothetical Punjab_N population from even before agriculture would have been related to the Iran_N people, somewhere along a cline between Iran_N in Iran (whose aDNA has been found) and peoples in India's interior.
If Iran_N(eolithic) ingressed into India with a demic diffusion of agriculture, they didn't bring their cattle along.
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ReplyDeleteRegarding milk, there was a genetic study on a tribe called "Kalash" (who btw have the highest Steppe related ancestry among South Asian populations in the latest paper) in pakistan. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4570283/ (n=23 samples were studied)
ReplyDeleteFrom the study -
"One striking example is the frequency of the derived allele for rs4988235, which has been linked to lactose tolerance. The Kalash, like the MA-1, are fixed for the ancestral allele
for this variant, whereas their neighbors in Pakistan have been observed to have moderate frequencies of the derived allele. Although this supports their long-term isolation, it is surprising in other ways because the Kalash have no reported lactose intolerance and indeed celebrate a "milk day" during their annual spring rituals.This suggests that there might be additional derived lactase-persistence alleles in the LCT-MCM6 (MIM: 601806) region in this
population."
There are at least 5 variants that are associated with lactase persistence.
ReplyDeletehttp://answer2pakteahouse.blogspot.com/2018/04/lactase-persistence.html
This comment has been removed by the author.
ReplyDelete"It is likely is that a hypothetical Punjab_N population from even before agriculture would have been related to the Iran_N people, somewhere along a cline between Iran_N in Iran (whose aDNA has been found) and peoples in India's interior" -- Already left a similar comment at another blog but in the admixture plot present in page 166 of the supplementary text of pre-print, the supposedly isolated Andamanese ONGE has a decent % (~25% to my naked eye) of Iran_N like ancestry (represented by teal color). How is this even possible if only the yellow component is supposed to be present in the ONGE ?
ReplyDeleteExcellent point!
ReplyDeleteBut the supplementary material seems to have been updated?
ReplyDeleteThis comment has been removed by the author.
ReplyDeleteThis comment has been removed by the author.
ReplyDeleteCould you please cite the source where you found lactase persistence in Onge :)
ReplyDeleteSorry for being a bother but above ^^^^ question:P ?
ReplyDeleteSorry, been busy.
ReplyDelete"Of further curious note is the single Great Andamanese individual with a C/T genotype, suggestive of recent mainland Indian admixture"
https://academic.oup.com/mbe/article/29/1/249/1749245
Herders of Indian and European Cattle Share Their Predominant Allele for Lactase Persistence
Irene Gallego Romero Chandana Basu Mallick Anke Liebert Federica Crivellaro Gyaneshwer Chaubey Yuval Itan Mait Metspalu Muthukrishnan Eaaswarkhanth Ramasamy Pitchappan Richard Villems ... Show more
Molecular Biology and Evolution, Volume 29, Issue 1, 1 January 2012, Pages 249–260, https://doi.org/10.1093/molbev/msr190
Published:
11 August 2011
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