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caitlinrgreen's profile
Dr Caitlin Green
Dr Caitlin Green
Dr Caitlin Green
@caitlinrgreen

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Dr Caitlin Green

@caitlinrgreen

History, archaeology, place-names & early lit. Main research on post-Roman Britain & Anglo-Saxon England; also long-distance trade, migration & contact.

Cornwall/Lincolnshire
caitlingreen.org
Joined August 2014

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    1. Dr Caitlin Green‏ @caitlinrgreen 19 Mar 2015

      For anyone still interested in the new DNA study, worth noting that despite issues, are a couple of interesting things to note. Perhaps >

      3 replies 10 retweets 4 likes
    2. Dr Caitlin Green‏ @caitlinrgreen 19 Mar 2015
      Replying to @caitlinrgreen

      > most important effects are on these papers by Härke & the theory expounded there: https://www.academia.edu/1178275/Anglo-Saxon_immigration_and_ethnogenesis._Medieval_Archaeology_55_2011._1-28 … & https://www.academia.edu/468159/Evidence_for_an_apartheid-like_social_structure_in_early_Anglo-Saxon_England._Proceedings_of_the_Royal_Society_B_273_July_2006_2651-2657 …. >

      3 replies 9 retweets 8 likes
    3. Dr Caitlin Green‏ @caitlinrgreen 19 Mar 2015
      Replying to @caitlinrgreen

      > First, data in new study suggests the Anglo-Saxons *didn't intermarry with the Britons until the 9thC*! (p.313+supplementary material) >

      3 replies 7 retweets 8 likes
    4. Dr Caitlin Green‏ @caitlinrgreen 19 Mar 2015
      Replying to @caitlinrgreen

      > In other words, this new data seems to support the Härke/Woolf model of an "apartheid-like social structure" in pre-Viking England. >

      3 replies 7 retweets 3 likes
    5. Dr Caitlin Green‏ @caitlinrgreen 19 Mar 2015
      Replying to @caitlinrgreen

      Second, data halves size of supposed post-Roman 'Germanic' contribution to modern DNA, so significantly reduces the proportion that AS >

      1 reply 3 retweets 5 likes
    6. Dr Caitlin Green‏ @caitlinrgreen 19 Mar 2015
      Replying to @caitlinrgreen

      > immigrants needed to provide in 5/6thC compared to what Härke assumed, so AS immigrants perhaps numbered only 5% or less of total popn in>

      1 reply 3 retweets 4 likes
    7. Dr Caitlin Green‏ @caitlinrgreen 19 Mar 2015
      Replying to @caitlinrgreen

      > the 5/6thC in S/Central England, assuming 'apartheid-like' system operated to 9thC, as new study implies. So, in sum, if you were >

      1 reply 3 retweets 3 likes
    8. Dr Caitlin Green‏ @caitlinrgreen 19 Mar 2015
      Replying to @caitlinrgreen

      > inclined to agree w/ Härke/Woolf, then new study offers support. It's not making massive changes, but is adding weight to prev studies.

      6 replies 3 retweets 4 likes
    9. Dubhthach Daoltheanga‏ @Daoltheanga 19 Mar 2015
      Replying to @caitlinrgreen

      @caitlinrgreen You might be interested in Hinxton ancient DNA, 2 samples from Iron age (male) and three from Anglo-Saxon period (female)

      1 reply 0 retweets 1 like
    10. Dubhthach Daoltheanga‏ @Daoltheanga 19 Mar 2015
      Replying to @Daoltheanga

      @caitlinrgreen "Insights into British and European population history from ancient DNA sequencing of Iron Age ..." http://www.ashg.org/2014meeting/abstracts/fulltext/f140122098.htm …

      1 reply 0 retweets 2 likes
      Dr Caitlin Green‏ @caitlinrgreen 19 Mar 2015
      Replying to @Daoltheanga

      @dubhthach Fabulous, thank you! Am afraid I don't see the issue being resolved until we have done a *lot* of (expensive) work like this :/

      5:43 AM - 19 Mar 2015
      • 1 Like
      • hbd chick
      3 replies 0 retweets 1 like
        1. New conversation
        2. Dubhthach Daoltheanga‏ @Daoltheanga 19 Mar 2015
          Replying to @caitlinrgreen

          @caitlinrgreen key thing is big increase in amount of Ancient DNA, paper just published on first Yamnaya genomes from Russian bronze age

          1 reply 0 retweets 0 likes
        3. Dr Caitlin Green‏ @caitlinrgreen 19 Mar 2015
          Replying to @Daoltheanga

          @dubhthach Ancient DNA is def what's needed, but even at reduced prices, is affordable to do on the v large scale that would be needed?!

          3 replies 0 retweets 2 likes
        4. Dubhthach Daoltheanga‏ @Daoltheanga 19 Mar 2015
          Replying to @caitlinrgreen

          @caitlinrgreen paper for example published on modern Europeans using ancient DNA from paeloithic, mesolithic and neolithic (model etc.)

          2 replies 0 retweets 1 like
        5. Dubhthach Daoltheanga‏ @Daoltheanga 19 Mar 2015
          Replying to @Daoltheanga

          @caitlinrgreen "Ancient human genomes suggest three ancestral populations for present-day Europeans" http://www.ncbi.nlm.nih.gov/pubmed/25230663 

          1 reply 1 retweet 2 likes
        6. Dr Caitlin Green‏ @caitlinrgreen 19 Mar 2015
          Replying to @Daoltheanga

          @dubhthach fascinating abstract, thank you! :)

          1 reply 0 retweets 1 like
        7. Dubhthach Daoltheanga‏ @Daoltheanga 19 Mar 2015
          Replying to @caitlinrgreen

          @caitlinrgreen The full paper is in PDF format in the other tweet (hosted on http://harvard.edu )

          1 reply 0 retweets 1 like
        8. Dr Caitlin Green‏ @caitlinrgreen 19 Mar 2015
          Replying to @Daoltheanga

          @dubhthach grabbed and saved for reading later--looks great :) thanks once again!

          1 reply 0 retweets 0 likes
        9. Dubhthach Daoltheanga‏ @Daoltheanga 19 Mar 2015
          Replying to @caitlinrgreen

          @caitlinrgreen these can be quite terminology rich, but generally not too hard to follow, recent paper from Reich lab about Indo-Europeans

          1 reply 0 retweets 0 likes
        10. 2 more replies
        1. Dubhthach Daoltheanga‏ @Daoltheanga 19 Mar 2015
          Replying to @caitlinrgreen

          @caitlinrgreen We are about to hit the $1,000/genome mark in 10 years ye be able to do full sequence for less than $500

          0 replies 0 retweets 0 likes
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        1. Dubhthach Daoltheanga‏ @Daoltheanga 19 Mar 2015
          Replying to @caitlinrgreen

          @caitlinrgreen Indeed well good thing bout DNA is it's cost decline makes "Moore's law" look like an OAP

          0 replies 0 retweets 0 likes
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