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Thread: Phylogenetic history of patrilineages rare in northern and eastern Europe from large-

  1. #1
    Regular Member kingjohn's Avatar
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    Phylogenetic history of patrilineages rare in northern and eastern Europe from large-

    Phylogenetic history of patrilineages rare in northern and eastern Europe from large-scale re-sequencing of human Y-chromosomes

    Abstract

    The most frequent Y-chromosomal (chrY) haplogroups in northern and eastern Europe (NEE) are well-known and thoroughly characterised. Yet a considerable number of men in every population carry rare paternal lineages with estimated frequencies around 5%. So far, limited sample-sizes and insufficient r****ution of genotyping have obstructed a truly comprehensive look into the variety of rare paternal lineages segregating within populations and potential signals of population history that such lineages might convey. Here we harness the power of massive re-sequencing of human Y chromosomes to identify previously unknown population-specific clusters among rare paternal lineages in NEE. We construct dated phylogenies for haplogroups E2-M215, J2-M172, G-M201 and Q-M242 on the basis of 421 (of them 282 novel) high-coverage chrY sequences collected from large-scale databases focusing on populations of NEE. Within these otherwise rare haplogroups we disclose lineages that began to radiate ~1–3 thousand years ago in Estonia and Sweden and reveal male phylogenetic patterns testifying of comparatively recent local demographic expansions. Conversely, haplogroup Q lineages bear evidence of ancient Siberian influence lingering in the modern paternal gene pool of northern Europe. We assess the possible direction of influx of ancestral carriers for some of these male lineages. In addition, we demonstrate the congruency of paternal haplogroup composition of our dataset with two independent population-based cohorts from Estonia and Sweden.

    source:

    https://www.nature.com/articles/s41431-021-00897-8
    https://www.yfull.com/tree/E-FGC7391/

    https://yfull.com/mtree/H3ap/

  2. #2
    Moderator Pax Augusta's Avatar
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    1 members found this post helpful.
    Thanks for sharing, kingjohn






  3. #3
    Regular Member kingjohn's Avatar
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    Country: Uruguay



    the greatest bummer of this paper: that they don't know
    the exact locations in poland, germany, latvia, ukraine from
    which samples were taken (only in estonia) ....

    i ask them about it :

    Hello and thank you for your interest in our work!

    Unfortunately, we do not have this info. We have more precise locations from Estonia because the samples are from a biopank, but the samples from other populations come from private genetic testic company, whose customers pay for their DNA sequences and their personal information is not disclosed in any way. Usually, such samples come from the most economically affluent regions (mostly capital regions), but the actual background of donors is unknown.

    Sincerely,

    Anne-Mai Ilumäe

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