Thx for having me @kstsosie @DecolonizeDNA! Today I will tweet about how ancient DNA (aDNA) https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ’€" title="Skull" aria-label="Emoji: Skull">https://abs.twimg.com/emoji/v2/... draggable="false" alt="🧬" title="DNA" aria-label="Emoji: DNA">can be used to revisit the historical record, & reconsider the stories of underrep & minoritized communities across the Americas https://abs.twimg.com/emoji/v2/... draggable="false" alt="🧡" title="Thread" aria-label="Emoji: Thread">1/ #DecolonizeDNA #DNADay (Img: Systema Solar)
Thx for having me  @kstsosie  @DecolonizeDNA! Today I will tweet about how ancient DNA (aDNA) https://abs.twimg.com/emoji/v2/... draggable=https://abs.twimg.com/emoji/v2/... draggable="false" alt="🧬" title="DNA" aria-label="Emoji: DNA">can be used to revisit the historical record, & reconsider the stories of underrep & minoritized communities across the Americas https://abs.twimg.com/emoji/v2/... draggable="false" alt="🧡" title="Thread" aria-label="Emoji: Thread">1/ #DecolonizeDNA #DNADay (Img: Systema Solar)" title="Thx for having me @kstsosie @DecolonizeDNA! Today I will tweet about how ancient DNA (aDNA) https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ’€" title="Skull" aria-label="Emoji: Skull">https://abs.twimg.com/emoji/v2/... draggable="false" alt="🧬" title="DNA" aria-label="Emoji: DNA">can be used to revisit the historical record, & reconsider the stories of underrep & minoritized communities across the Americas https://abs.twimg.com/emoji/v2/... draggable="false" alt="🧡" title="Thread" aria-label="Emoji: Thread">1/ #DecolonizeDNA #DNADay (Img: Systema Solar)" class="img-responsive" style="max-width:100%;"/>
aDNA is thehttps://abs.twimg.com/emoji/v2/... draggable="false" alt="🧬" title="DNA" aria-label="Emoji: DNA">that persists in ancient tissues like https://abs.twimg.com/emoji/v2/... draggable="false" alt="🦷" title="Tooth" aria-label="Emoji: Tooth">https://abs.twimg.com/emoji/v2/... draggable="false" alt="🦴" title="Bone" aria-label="Emoji: Bone">https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ’€" title="Skull" aria-label="Emoji: Skull">, or the remains of https://abs.twimg.com/emoji/v2/... draggable="false" alt="🦌" title="Deer" aria-label="Emoji: Deer">https://abs.twimg.com/emoji/v2/... draggable="false" alt="🌿" title="Herb" aria-label="Emoji: Herb">https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ€" title="Rat" aria-label="Emoji: Rat">https://abs.twimg.com/emoji/v2/... draggable="false" alt="🐚" title="Spiral shell" aria-label="Emoji: Spiral shell">. It can inform us about evolution, ancient diversity & health. But bc of its age, aDNA is degraded and easily contaminated so we must handle it using lots of PPE, like this! 2/ #DecolonizeDNA
aDNA is thehttps://abs.twimg.com/emoji/v2/... draggable=that persists in ancient tissues like https://abs.twimg.com/emoji/v2/... draggable="false" alt="🦷" title="Tooth" aria-label="Emoji: Tooth">https://abs.twimg.com/emoji/v2/... draggable="false" alt="🦴" title="Bone" aria-label="Emoji: Bone">https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ’€" title="Skull" aria-label="Emoji: Skull">, or the remains of https://abs.twimg.com/emoji/v2/... draggable="false" alt="🦌" title="Deer" aria-label="Emoji: Deer">https://abs.twimg.com/emoji/v2/... draggable="false" alt="🌿" title="Herb" aria-label="Emoji: Herb">https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ€" title="Rat" aria-label="Emoji: Rat">https://abs.twimg.com/emoji/v2/... draggable="false" alt="🐚" title="Spiral shell" aria-label="Emoji: Spiral shell">. It can inform us about evolution, ancient diversity & health. But bc of its age, aDNA is degraded and easily contaminated so we must handle it using lots of PPE, like this! 2/ #DecolonizeDNA" title="aDNA is thehttps://abs.twimg.com/emoji/v2/... draggable="false" alt="🧬" title="DNA" aria-label="Emoji: DNA">that persists in ancient tissues like https://abs.twimg.com/emoji/v2/... draggable="false" alt="🦷" title="Tooth" aria-label="Emoji: Tooth">https://abs.twimg.com/emoji/v2/... draggable="false" alt="🦴" title="Bone" aria-label="Emoji: Bone">https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ’€" title="Skull" aria-label="Emoji: Skull">, or the remains of https://abs.twimg.com/emoji/v2/... draggable="false" alt="🦌" title="Deer" aria-label="Emoji: Deer">https://abs.twimg.com/emoji/v2/... draggable="false" alt="🌿" title="Herb" aria-label="Emoji: Herb">https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ€" title="Rat" aria-label="Emoji: Rat">https://abs.twimg.com/emoji/v2/... draggable="false" alt="🐚" title="Spiral shell" aria-label="Emoji: Spiral shell">. It can inform us about evolution, ancient diversity & health. But bc of its age, aDNA is degraded and easily contaminated so we must handle it using lots of PPE, like this! 2/ #DecolonizeDNA" class="img-responsive" style="max-width:100%;"/>
aDNAhttps://abs.twimg.com/emoji/v2/... draggable="false" alt="🦴" title="Bone" aria-label="Emoji: Bone">https://abs.twimg.com/emoji/v2/... draggable="false" alt="🧬" title="DNA" aria-label="Emoji: DNA">+ other lines of evidencehttps://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ”" title="Left-pointing magnifying glass" aria-label="Emoji: Left-pointing magnifying glass">https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ“‹" title="Clipboard" aria-label="Emoji: Clipboard">https://abs.twimg.com/emoji/v2/... draggable="false" alt="🏺" title="Amphora" aria-label="Emoji: Amphora">https://abs.twimg.com/emoji/v2/... draggable="false" alt="⚰️" title="Coffin" aria-label="Emoji: Coffin">https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ’€" title="Skull" aria-label="Emoji: Skull">can reconstruct past events & their impact in the present. This is a powerful https://abs.twimg.com/emoji/v2/... draggable="false" alt="🦸🏽" title="Superhero (medium skin tone)" aria-label="Emoji: Superhero (medium skin tone)">‍‍https://abs.twimg.com/emoji/v2/... draggable="false" alt="✊🏽" title="Raised fist (medium skin tone)" aria-label="Emoji: Raised fist (medium skin tone)">way to understand the experiences of ppls who were marginalized, excluded or misrepresented in the written historical record https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ“œ" title="Scroll" aria-label="Emoji: Scroll">3/ #DecolonizeDNA #DNADay
aDNAhttps://abs.twimg.com/emoji/v2/... draggable=https://abs.twimg.com/emoji/v2/... draggable="false" alt="🧬" title="DNA" aria-label="Emoji: DNA">+ other lines of evidencehttps://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ”" title="Left-pointing magnifying glass" aria-label="Emoji: Left-pointing magnifying glass">https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ“‹" title="Clipboard" aria-label="Emoji: Clipboard">https://abs.twimg.com/emoji/v2/... draggable="false" alt="🏺" title="Amphora" aria-label="Emoji: Amphora">https://abs.twimg.com/emoji/v2/... draggable="false" alt="⚰️" title="Coffin" aria-label="Emoji: Coffin">https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ’€" title="Skull" aria-label="Emoji: Skull">can reconstruct past events & their impact in the present. This is a powerful https://abs.twimg.com/emoji/v2/... draggable="false" alt="🦸🏽" title="Superhero (medium skin tone)" aria-label="Emoji: Superhero (medium skin tone)">‍‍https://abs.twimg.com/emoji/v2/... draggable="false" alt="✊🏽" title="Raised fist (medium skin tone)" aria-label="Emoji: Raised fist (medium skin tone)">way to understand the experiences of ppls who were marginalized, excluded or misrepresented in the written historical record https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ“œ" title="Scroll" aria-label="Emoji: Scroll">3/ #DecolonizeDNA #DNADay" title="aDNAhttps://abs.twimg.com/emoji/v2/... draggable="false" alt="🦴" title="Bone" aria-label="Emoji: Bone">https://abs.twimg.com/emoji/v2/... draggable="false" alt="🧬" title="DNA" aria-label="Emoji: DNA">+ other lines of evidencehttps://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ”" title="Left-pointing magnifying glass" aria-label="Emoji: Left-pointing magnifying glass">https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ“‹" title="Clipboard" aria-label="Emoji: Clipboard">https://abs.twimg.com/emoji/v2/... draggable="false" alt="🏺" title="Amphora" aria-label="Emoji: Amphora">https://abs.twimg.com/emoji/v2/... draggable="false" alt="⚰️" title="Coffin" aria-label="Emoji: Coffin">https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ’€" title="Skull" aria-label="Emoji: Skull">can reconstruct past events & their impact in the present. This is a powerful https://abs.twimg.com/emoji/v2/... draggable="false" alt="🦸🏽" title="Superhero (medium skin tone)" aria-label="Emoji: Superhero (medium skin tone)">‍‍https://abs.twimg.com/emoji/v2/... draggable="false" alt="✊🏽" title="Raised fist (medium skin tone)" aria-label="Emoji: Raised fist (medium skin tone)">way to understand the experiences of ppls who were marginalized, excluded or misrepresented in the written historical record https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ“œ" title="Scroll" aria-label="Emoji: Scroll">3/ #DecolonizeDNA #DNADay" class="img-responsive" style="max-width:100%;"/>
For ex: I study ancient Indigenous communities who lived in #PuertoRicohttps://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ‡΅πŸ‡·" title="Flag of Puerto Rico" aria-label="Emoji: Flag of Puerto Rico">& the Caribbean for >5K yrs https://abs.twimg.com/emoji/v2/... draggable="false" alt="βŒ›οΈ" title="Hourglass" aria-label="Emoji: Hourglass">https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ’ͺ" title="Flexed biceps" aria-label="Emoji: Flexed biceps">Thru #archaeology we know these were diverse & complex ppl w/dynamic interaction networks extending far beyond the Antilles 4/ #DecolonizeDNA #DNADay (Img: Hofman et al. 2018)
For ex: I study ancient Indigenous communities who lived in   #PuertoRicohttps://abs.twimg.com/emoji/v2/... draggable=& the Caribbean for >5K yrs https://abs.twimg.com/emoji/v2/... draggable="false" alt="βŒ›οΈ" title="Hourglass" aria-label="Emoji: Hourglass">https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ’ͺ" title="Flexed biceps" aria-label="Emoji: Flexed biceps">Thru #archaeology we know these were diverse & complex ppl w/dynamic interaction networks extending far beyond the Antilles 4/ #DecolonizeDNA #DNADay (Img: Hofman et al. 2018)" title="For ex: I study ancient Indigenous communities who lived in #PuertoRicohttps://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ‡΅πŸ‡·" title="Flag of Puerto Rico" aria-label="Emoji: Flag of Puerto Rico">& the Caribbean for >5K yrs https://abs.twimg.com/emoji/v2/... draggable="false" alt="βŒ›οΈ" title="Hourglass" aria-label="Emoji: Hourglass">https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ’ͺ" title="Flexed biceps" aria-label="Emoji: Flexed biceps">Thru #archaeology we know these were diverse & complex ppl w/dynamic interaction networks extending far beyond the Antilles 4/ #DecolonizeDNA #DNADay (Img: Hofman et al. 2018)" class="img-responsive" style="max-width:100%;"/>
But Indigenous Caribbean ppls were also the 1st #NativeAmericans to experience European colonialism. BC of this our understanding of their story is fragmented & biased towards the colonizer& #39;s perspective as described in historicalhttps://abs.twimg.com/emoji/v2/... draggable="false" alt="✍️🏻" title="Writing hand (light skin tone)" aria-label="Emoji: Writing hand (light skin tone)">https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ“œ" title="Scroll" aria-label="Emoji: Scroll">https://abs.twimg.com/emoji/v2/... draggable="false" alt="🎨" title="Artist palette" aria-label="Emoji: Artist palette"> (like this painting) https://abs.twimg.com/emoji/v2/... draggable="false" alt="🀨" title="Face with raised eyebrow" aria-label="Emoji: Face with raised eyebrow">5/ #DecolonizeDNA
But Indigenous Caribbean ppls were also the 1st   #NativeAmericans to experience European colonialism. BC of this our understanding of their story is fragmented & biased towards the colonizer& #39;s perspective as described in historicalhttps://abs.twimg.com/emoji/v2/... draggable=https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ“œ" title="Scroll" aria-label="Emoji: Scroll">https://abs.twimg.com/emoji/v2/... draggable="false" alt="🎨" title="Artist palette" aria-label="Emoji: Artist palette"> (like this painting) https://abs.twimg.com/emoji/v2/... draggable="false" alt="🀨" title="Face with raised eyebrow" aria-label="Emoji: Face with raised eyebrow">5/ #DecolonizeDNA" title="But Indigenous Caribbean ppls were also the 1st #NativeAmericans to experience European colonialism. BC of this our understanding of their story is fragmented & biased towards the colonizer& #39;s perspective as described in historicalhttps://abs.twimg.com/emoji/v2/... draggable="false" alt="✍️🏻" title="Writing hand (light skin tone)" aria-label="Emoji: Writing hand (light skin tone)">https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ“œ" title="Scroll" aria-label="Emoji: Scroll">https://abs.twimg.com/emoji/v2/... draggable="false" alt="🎨" title="Artist palette" aria-label="Emoji: Artist palette"> (like this painting) https://abs.twimg.com/emoji/v2/... draggable="false" alt="🀨" title="Face with raised eyebrow" aria-label="Emoji: Face with raised eyebrow">5/ #DecolonizeDNA" class="img-responsive" style="max-width:100%;"/>
In https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ‡΅πŸ‡·" title="Flag of Puerto Rico" aria-label="Emoji: Flag of Puerto Rico"> & other Antilles, colonial documents say that native ppls died out by the 1600s. This led to common narratives of Indigenous extinction, despite the presence of islanders w/Indigenous cultural identities & oral histories https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ’¬" title="Speech balloon" aria-label="Emoji: Speech balloon">of Indigenous descent https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ€”" title="Thinking face" aria-label="Emoji: Thinking face">6/ #DecolonizeDNA #DNADay
These contrasting narratives, extinction vs survival, are fiercely debated https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ”₯" title="Fire" aria-label="Emoji: Fire">in https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ‡΅πŸ‡·" title="Flag of Puerto Rico" aria-label="Emoji: Flag of Puerto Rico">, esp since https://abs.twimg.com/emoji/v2/... draggable="false" alt="🧬" title="DNA" aria-label="Emoji: DNA"> studies found present-day #boricuas #puertorican carry large proportions of Native American maternal ancestry in our mitochondrial genomes (mtDNA) https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ‘΅πŸΌ" title="Older woman (medium light skin tone)" aria-label="Emoji: Older woman (medium light skin tone)">https://abs.twimg.com/emoji/v2/... draggable="false" alt="🧬" title="DNA" aria-label="Emoji: DNA">https://abs.twimg.com/emoji/v2/... draggable="false" alt="➑️" title="Rightwards arrow" aria-label="Emoji: Rightwards arrow">https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ‘©πŸ»" title="Woman (light skin tone)" aria-label="Emoji: Woman (light skin tone)">https://abs.twimg.com/emoji/v2/... draggable="false" alt="🧬" title="DNA" aria-label="Emoji: DNA">https://abs.twimg.com/emoji/v2/... draggable="false" alt="➑️" title="Rightwards arrow" aria-label="Emoji: Rightwards arrow">https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ‘ΆπŸΌ" title="Baby (medium light skin tone)" aria-label="Emoji: Baby (medium light skin tone)">https://abs.twimg.com/emoji/v2/... draggable="false" alt="🧬" title="DNA" aria-label="Emoji: DNA">7/ #DecolonizeDNA
These contrasting narratives, extinction vs survival, are fiercely debated https://abs.twimg.com/emoji/v2/... draggable=in https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ‡΅πŸ‡·" title="Flag of Puerto Rico" aria-label="Emoji: Flag of Puerto Rico">, esp since https://abs.twimg.com/emoji/v2/... draggable="false" alt="🧬" title="DNA" aria-label="Emoji: DNA"> studies found present-day #boricuas #puertorican carry large proportions of Native American maternal ancestry in our mitochondrial genomes (mtDNA) https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ‘΅πŸΌ" title="Older woman (medium light skin tone)" aria-label="Emoji: Older woman (medium light skin tone)">https://abs.twimg.com/emoji/v2/... draggable="false" alt="🧬" title="DNA" aria-label="Emoji: DNA">https://abs.twimg.com/emoji/v2/... draggable="false" alt="➑️" title="Rightwards arrow" aria-label="Emoji: Rightwards arrow">https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ‘©πŸ»" title="Woman (light skin tone)" aria-label="Emoji: Woman (light skin tone)">https://abs.twimg.com/emoji/v2/... draggable="false" alt="🧬" title="DNA" aria-label="Emoji: DNA">https://abs.twimg.com/emoji/v2/... draggable="false" alt="➑️" title="Rightwards arrow" aria-label="Emoji: Rightwards arrow">https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ‘ΆπŸΌ" title="Baby (medium light skin tone)" aria-label="Emoji: Baby (medium light skin tone)">https://abs.twimg.com/emoji/v2/... draggable="false" alt="🧬" title="DNA" aria-label="Emoji: DNA">7/ #DecolonizeDNA" title="These contrasting narratives, extinction vs survival, are fiercely debated https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ”₯" title="Fire" aria-label="Emoji: Fire">in https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ‡΅πŸ‡·" title="Flag of Puerto Rico" aria-label="Emoji: Flag of Puerto Rico">, esp since https://abs.twimg.com/emoji/v2/... draggable="false" alt="🧬" title="DNA" aria-label="Emoji: DNA"> studies found present-day #boricuas #puertorican carry large proportions of Native American maternal ancestry in our mitochondrial genomes (mtDNA) https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ‘΅πŸΌ" title="Older woman (medium light skin tone)" aria-label="Emoji: Older woman (medium light skin tone)">https://abs.twimg.com/emoji/v2/... draggable="false" alt="🧬" title="DNA" aria-label="Emoji: DNA">https://abs.twimg.com/emoji/v2/... draggable="false" alt="➑️" title="Rightwards arrow" aria-label="Emoji: Rightwards arrow">https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ‘©πŸ»" title="Woman (light skin tone)" aria-label="Emoji: Woman (light skin tone)">https://abs.twimg.com/emoji/v2/... draggable="false" alt="🧬" title="DNA" aria-label="Emoji: DNA">https://abs.twimg.com/emoji/v2/... draggable="false" alt="➑️" title="Rightwards arrow" aria-label="Emoji: Rightwards arrow">https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ‘ΆπŸΌ" title="Baby (medium light skin tone)" aria-label="Emoji: Baby (medium light skin tone)">https://abs.twimg.com/emoji/v2/... draggable="false" alt="🧬" title="DNA" aria-label="Emoji: DNA">7/ #DecolonizeDNA" class="img-responsive" style="max-width:100%;"/>
We sampled https://abs.twimg.com/emoji/v2/... draggable="false" alt="🦴" title="Bone" aria-label="Emoji: Bone">https://abs.twimg.com/emoji/v2/... draggable="false" alt="🦷" title="Tooth" aria-label="Emoji: Tooth">of 124 ppl who lived at 3 pre-contact sites in https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ‡΅πŸ‡·" title="Flag of Puerto Rico" aria-label="Emoji: Flag of Puerto Rico"> incl. Tibes https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ‘‡" title="Down pointing backhand index" aria-label="Emoji: Down pointing backhand index">. This was difficult bc aDNA does not preserve well in the tropics https://abs.twimg.com/emoji/v2/... draggable="false" alt="🏝️" title="Desert island" aria-label="Emoji: Desert island">https://abs.twimg.com/emoji/v2/... draggable="false" alt="🌞" title="Sun with face" aria-label="Emoji: Sun with face">https://abs.twimg.com/emoji/v2/... draggable="false" alt="🌧️" title="Cloud with rain" aria-label="Emoji: Cloud with rain">=https://abs.twimg.com/emoji/v2/... draggable="false" alt="☹️" title="Frowning face" aria-label="Emoji: Frowning face">https://abs.twimg.com/emoji/v2/... draggable="false" alt="🧬" title="DNA" aria-label="Emoji: DNA">. But we recovered 45 mtDNA genomes and compared them to those of modern islanders 9/ #DecolonizeDNA (Img: Enciclopedia PR)
We sampled https://abs.twimg.com/emoji/v2/... draggable=https://abs.twimg.com/emoji/v2/... draggable="false" alt="🦷" title="Tooth" aria-label="Emoji: Tooth">of 124 ppl who lived at 3 pre-contact sites in https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ‡΅πŸ‡·" title="Flag of Puerto Rico" aria-label="Emoji: Flag of Puerto Rico"> incl. Tibes https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ‘‡" title="Down pointing backhand index" aria-label="Emoji: Down pointing backhand index">. This was difficult bc aDNA does not preserve well in the tropics https://abs.twimg.com/emoji/v2/... draggable="false" alt="🏝️" title="Desert island" aria-label="Emoji: Desert island">https://abs.twimg.com/emoji/v2/... draggable="false" alt="🌞" title="Sun with face" aria-label="Emoji: Sun with face">https://abs.twimg.com/emoji/v2/... draggable="false" alt="🌧️" title="Cloud with rain" aria-label="Emoji: Cloud with rain">=https://abs.twimg.com/emoji/v2/... draggable="false" alt="☹️" title="Frowning face" aria-label="Emoji: Frowning face">https://abs.twimg.com/emoji/v2/... draggable="false" alt="🧬" title="DNA" aria-label="Emoji: DNA">. But we recovered 45 mtDNA genomes and compared them to those of modern islanders 9/ #DecolonizeDNA (Img: Enciclopedia PR)" title="We sampled https://abs.twimg.com/emoji/v2/... draggable="false" alt="🦴" title="Bone" aria-label="Emoji: Bone">https://abs.twimg.com/emoji/v2/... draggable="false" alt="🦷" title="Tooth" aria-label="Emoji: Tooth">of 124 ppl who lived at 3 pre-contact sites in https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ‡΅πŸ‡·" title="Flag of Puerto Rico" aria-label="Emoji: Flag of Puerto Rico"> incl. Tibes https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ‘‡" title="Down pointing backhand index" aria-label="Emoji: Down pointing backhand index">. This was difficult bc aDNA does not preserve well in the tropics https://abs.twimg.com/emoji/v2/... draggable="false" alt="🏝️" title="Desert island" aria-label="Emoji: Desert island">https://abs.twimg.com/emoji/v2/... draggable="false" alt="🌞" title="Sun with face" aria-label="Emoji: Sun with face">https://abs.twimg.com/emoji/v2/... draggable="false" alt="🌧️" title="Cloud with rain" aria-label="Emoji: Cloud with rain">=https://abs.twimg.com/emoji/v2/... draggable="false" alt="☹️" title="Frowning face" aria-label="Emoji: Frowning face">https://abs.twimg.com/emoji/v2/... draggable="false" alt="🧬" title="DNA" aria-label="Emoji: DNA">. But we recovered 45 mtDNA genomes and compared them to those of modern islanders 9/ #DecolonizeDNA (Img: Enciclopedia PR)" class="img-responsive" style="max-width:100%;"/>
We saw that some ancient mtDNA lineages were lost over time, while #puertoricans also carry novel lineages. These differences reflect the impact of random #geneticdrift, as well as post-European contact #migration & #admixture 10/ #DecolonizeDNA (Img: https://bit.ly/2S5Lnx7 )">https://bit.ly/2S5Lnx7&q...
But despite the large-scale population shifts brought by colonization, we found that threehttps://abs.twimg.com/emoji/v2/... draggable="false" alt="3⃣" title="Keycap digit three" aria-label="Emoji: Keycap digit three"> pre-contact mtDNA lineages survived into the present-day within the genomes of present-day Puerto Ricans https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ™€" title="Weary cat face" aria-label="Emoji: Weary cat face">https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ‡΅πŸ‡·" title="Flag of Puerto Rico" aria-label="Emoji: Flag of Puerto Rico">https://abs.twimg.com/emoji/v2/... draggable="false" alt="✊" title="Raised fist" aria-label="Emoji: Raised fist">11/ #DecolonizeDNA #DNADay
Why does this matter? Well, in PR Indigenous ancestry is central to ethnic & national identity. Pre-contact art forms are symbols of #boricua culture & political empowerment (especially bc of our continued quasi-colonial statushttps://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ‡΅πŸ‡·" title="Flag of Puerto Rico" aria-label="Emoji: Flag of Puerto Rico">-https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ‡ΊπŸ‡Έ" title="Flag of United States" aria-label="Emoji: Flag of United States">, topic for another threadhttps://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ˜‰" title="Winking face" aria-label="Emoji: Winking face">) 12/ #DecolonizeDNA
Why does this matter? Well, in PR Indigenous ancestry is central to ethnic & national identity. Pre-contact art forms are symbols of   #boricua culture & political empowerment (especially bc of our continued quasi-colonial statushttps://abs.twimg.com/emoji/v2/... draggable=-https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ‡ΊπŸ‡Έ" title="Flag of United States" aria-label="Emoji: Flag of United States">, topic for another threadhttps://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ˜‰" title="Winking face" aria-label="Emoji: Winking face">) 12/ #DecolonizeDNA" title="Why does this matter? Well, in PR Indigenous ancestry is central to ethnic & national identity. Pre-contact art forms are symbols of #boricua culture & political empowerment (especially bc of our continued quasi-colonial statushttps://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ‡΅πŸ‡·" title="Flag of Puerto Rico" aria-label="Emoji: Flag of Puerto Rico">-https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ‡ΊπŸ‡Έ" title="Flag of United States" aria-label="Emoji: Flag of United States">, topic for another threadhttps://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ˜‰" title="Winking face" aria-label="Emoji: Winking face">) 12/ #DecolonizeDNA" class="img-responsive" style="max-width:100%;"/>
Indigenous activist & resurgent movements in the Caribbean & US diaspora have opposed the extinction narratives for yrs. But now https://abs.twimg.com/emoji/v2/... draggable="false" alt="🧬" title="DNA" aria-label="Emoji: DNA"> & https://abs.twimg.com/emoji/v2/... draggable="false" alt="🦴" title="Bone" aria-label="Emoji: Bone">https://abs.twimg.com/emoji/v2/... draggable="false" alt="🧬" title="DNA" aria-label="Emoji: DNA">data are also influencing public discourse on Indigenous heritage, survival & identity 14/ #DecolonizeDNA (Img: https://americanindian.si.edu/ )">https://americanindian.si.edu/">...
Indigenous activist & resurgent movements in the Caribbean & US diaspora have opposed the extinction narratives for yrs. But now https://abs.twimg.com/emoji/v2/... draggable= & https://abs.twimg.com/emoji/v2/... draggable="false" alt="🦴" title="Bone" aria-label="Emoji: Bone">https://abs.twimg.com/emoji/v2/... draggable="false" alt="🧬" title="DNA" aria-label="Emoji: DNA">data are also influencing public discourse on Indigenous heritage, survival & identity 14/ #DecolonizeDNA (Img: https://americanindian.si.edu/">..." title="Indigenous activist & resurgent movements in the Caribbean & US diaspora have opposed the extinction narratives for yrs. But now https://abs.twimg.com/emoji/v2/... draggable="false" alt="🧬" title="DNA" aria-label="Emoji: DNA"> & https://abs.twimg.com/emoji/v2/... draggable="false" alt="🦴" title="Bone" aria-label="Emoji: Bone">https://abs.twimg.com/emoji/v2/... draggable="false" alt="🧬" title="DNA" aria-label="Emoji: DNA">data are also influencing public discourse on Indigenous heritage, survival & identity 14/ #DecolonizeDNA (Img: https://americanindian.si.edu/">..." class="img-responsive" style="max-width:100%;"/>
aDNA studies have identifiedhttps://abs.twimg.com/emoji/v2/... draggable="false" alt="🧬" title="DNA" aria-label="Emoji: DNA">links btw present-day islanders & ancient Indigenous ppl. These findings challenge the prevailing colonial narratives describing the complete extinction of https://abs.twimg.com/emoji/v2/... draggable="false" alt="πŸ‡΅πŸ‡·" title="Flag of Puerto Rico" aria-label="Emoji: Flag of Puerto Rico"> & Caribbean native communities 15/ #DecolonizeDNA https://bit.ly/3cNx8oB ">https://bit.ly/3cNx8oB&q...
Personally, I hope our work leads to a critical reassessment of contact period dynamics, further study of Indigenous Caribbean responses to colonization & a better understanding of native ppls role in shaping the current biocultural diversity of the Antilles 16/ #DecolonizeDNA
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