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Thread: Awesome new study on the phylogeny of macrohaplogroup K Y-DNA

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    Awesome new study on the phylogeny of macrohaplogroup K Y-DNA

    Improved phylogenetic resolution and rapid diversification of Y-chromosome haplogroup K-M526 in Southeast Asia
    http://www.nature.com/ejhg/journal/v...g2014106a.html
    And I quote "Although K-M526 was previously characterized by a single polytomy of eight major branches, the phylogenetic structure of haplogroup K-M526 is now resolved into four major subclades (K2a–d). The largest of these subclades, K2b, is divided into two clusters: K2b1 and K2b2. K2b1 combines the previously known haplogroups M, S, K-P60 and K-P79, whereas K2b2 comprises haplogroups P and its subhaplogroups Q and R"
    THE MP CLADE STILL EXISTS AND IT IS BEING RENAMED AS K2b
    http://www.readcube.com/articles/10....tent=template2 snapshot of article.
    http://snag.gy/FDjQU.jpg shows a highly informative table.
    http://snag.gy/LqLuf.jpg is another great table.
    Last edited by venustas; 06-04-2014 at 11:14 PM.
    Maternal Uncle y-line= F0R1b1-L21

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    Does anyone have the paper here is the supplementary info.
    http://www.nature.com/ejhg/journal/v...g2014106a.html

    If any of you control y-tree you need to update it.
    Maternal Uncle y-line= F0R1b1-L21

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    Interestingly, the monophyletic group formed by haplogroups R and Q, which make up the majority of paternal lineages in Europe, Central Asia and the Americas, represents the only subclade with K2b that is not geographically restricted to Southeast Asia and Oceania. Estimates of the interval times for the branching events between M9 and P295 point to an initial rapid diversification process of K-M526 that likely occurred in Southeast Asia, with subsequent westward expansions of the ancestors of haplogroups R and Q.
    So they go for East Eurasian "MNOPS" family.

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    A major improvement in Greg Magoon's original insight
    Generation of high-resolution a priori Y-chromosome phylogenies using “next-generation” sequencing data
    http://dienekes.blogspot.com.br/2013...geny-from.html

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    It shows that MPS split into south-east Asian MS on the one hand and north Eurasian P on the other.
    Last edited by alan; 06-04-2014 at 11:02 PM.

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    Quote Originally Posted by Shaikorth View Post
    So they go for East Eurasian "MNOPS" family.
    It includes the y-dna haplogroup R and Q. Which may be east Eurasian, and probably associated with some mtdna (R0-HV) that is also east Asian? In my opinion even if K did originate in east Asia it is western Eurasian because of it being in IJK, Eastern Eurasian can be defined as populations that have a high frequency of C y-dna and or M mtdna, and true east Asians do not exist anymore because they all have IJK-YDNA and (N)+R-MTDNA . I think east Asians are a hybrid between a Caucasian like people and a people that were more Eastern Asian then any group that exists today (This group was probably very dark). I think it would be cool if R- was East Asian in origin though. In any case I wonder what the paper says.
    Maternal Uncle y-line= F0R1b1-L21

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    Quote Originally Posted by alan View Post
    Well seem than the new MP node idea has already been dismissed in this paper if I am understanding this right. It groups P, Q, R and K2b2. Anyone know anything about the latter.
    No the MP clade still exists (relabled as K2b). However it includes S + K2 and K3 both found in oceania.

    I wonder if the paper says where the K in the Philippine negritos fits on a tree.
    K2 (P60) Mainly Australia and Melanesia.
    K3 (P79) Mainly Australia and Melanesia
    P (Q3, R1b,R1a, R2) Y-DNA
    M Y-DNA
    S Y-DNA

    All of these belong to K2b previously known as MP.
    However, 3 other subclades of K2 (also known as KXLT) exist one is surely NO+ X. I wonder what the other 2 are. Is all the K in Melanesia related to P?
    Last edited by venustas; 06-04-2014 at 10:32 PM.
    Maternal Uncle y-line= F0R1b1-L21

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    The summary states 'the largest of these subclades, K2b, is divided into two clusters: K2b1 and K2b2. K2b1 combines the previously known haplogroups M, S, K-P60 and K-P79, whereas K2b2 comprises haplogroups P and its subhaplogroups Q and R'

    Quote Originally Posted by venustas View Post
    No the MP clade still exists (relabled as K2b). However it includes S + K2 and K3 both found in oceania.

    I wonder if the paper says were the K in the Philippine negritos fits on a tree.

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    K2b=M+S+(K-P60)+(K-P79)+P(Q+R)
    K2b1= M+S+(K-P60)+(K-P79)
    K2b2= P(Q+R)

    So the ancestors of Q and R definitely made a long trip from Southeast Asia to the American Continent and to Western Europe

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    Quote Originally Posted by alan View Post
    The summary states 'the largest of these subclades, K2b, is divided into two clusters: K2b1 and K2b2. K2b1 combines the previously known haplogroups M, S, K-P60 and K-P79, whereas K2b2 comprises haplogroups P and its subhaplogroups Q and R'
    Yes but M is closer to P than it is to N or O.
    Maternal Uncle y-line= F0R1b1-L21

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