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Guatemalan Mestizo

Moderators: dpyates, jakayj, suelevin1, dnacommunities, teresapy, D J Thornton

Raven
Posts: 52
Joined: Tue Jul 14, 2015 2:31 am

Guatemalan Mestizo

Postby Raven » Tue Jul 14, 2015 2:36 am

Where can I find out more info about the Guatemalan mestizo population? Does this refer to the Mayans? I'm unable to view anything about this under the population pages.

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dpyates
Posts: 36
Joined: Tue Jul 14, 2015 8:17 pm

Re: Guatemalan Mestizo

Postby dpyates » Tue Jul 14, 2015 8:56 pm

Our data comes from this study: Guatemala Mestizo Population Data on 15 STR Loci (Identifiler Kit), JFS, 2006, p1216-1218. Guatemala is the only country in the world with a genetic Native American majority, though many of its people claim to be Spanish because that is more prestigious. Most of its Native Americans are Maya and speak the Quiche language. We do not have a dedicated page yet on Guatemalan Mestizo (n = 200). Donald Yates wrote a book about his travels among the Maya of Yucatan which you may be interested in: http://pantherslodge.com/product/yucata ... -book-pdf/. We had a Maya man in Peoples of the World. I will try to attach that portrait.
maya man 2.jpg
This was a Maya man at the marketplace in Merida I photographed in 2008.
maya man 2.jpg (99.12 KiB) Viewed 24916 times
Donald N. Yates, Ph.D.
Principal Investigator, http://dnaconsultants.com

D J Thornton
Posts: 321
Joined: Sat Aug 01, 2015 3:58 am

Re: Guatemalan Mestizo

Postby D J Thornton » Wed Aug 05, 2015 11:49 am

Genomic insights on the ethno-history of the Maya and the ‘Ladinos’ from Guatemala
http://www.ncbi.nlm.nih.gov/pmc/article ... po=6.36364

Background: Guatemala is a multiethnic and multilingual country located in Central America. The main population groups separate ‘Ladinos’ (mixed Native American-African-Spanish), and Native indigenous people of Maya descent. Among the present-day Guatemalan Maya, there are more than 20 different ethnic groups separated by different languages and cultures. Genetic variation of these communities still remains largely unexplored. The principal aim of this study is to explore the genetic variability of the Maya and ‘Ladinos’ from Guatemala by means of uniparental and ancestry informative markers (AIMs).
Results: Analyses of uniparental genetic markers indicate that Maya have a dominant Native American ancestry (mitochondrial DNA [mtDNA]: 100%; Y-chromosome: 94%). ‘Ladino’, however, show a clear gender-bias as indicated by the large European ancestry observed in the Y-chromosome (75%) compared to the mtDNA (0%). Autosomal polymorphisms (AIMs) also mirror this marked gender-bias: (i) Native American ancestry: 92% for the Maya vs. 55% for the ‘Ladino’, and (ii) European ancestry: 8% for the Maya vs. 41% for the ‘Ladino’. In addition, the impact of the Trans-Atlantic slave trade on the present-day Guatemalan population is very low (and only occurs in the ‘Ladino’; mtDNA: 9%; AIMs: 4%), in part mirroring the fact that Guatemala has a predominant orientation to the Pacific Ocean instead of a Caribbean one. Sequencing of entire Guatemalan mitogenomes has led to improved Native American phylogeny via the addition of new haplogroups that are mainly observed in Mesoamerica and/or the North of South America.
Conclusions: The data reveal the existence of a fluid gene flow in the Mesoamerican area and a predominant unidirectional flow towards South America, most likely occurring during the Pre-Classic (1800 BC-200 AD) and the Classic (200–1000 AD) Eras of the Mesoamerican chronology, coinciding with development of the most distinctive and advanced Mesoamerican civilization, the Maya. Phylogenetic features of mtDNA data also suggest a demographic scenario that is compatible with moderate local endogamy and isolation in the Maya combined with episodes of gene exchange between ethnic groups, suggesting an ethno-genesis in the Guatemalan Maya that is recent and supported on a cultural rather than a biological basis.
Keywords: Mesoamerica, Guatemala,

D J Thornton
Posts: 321
Joined: Sat Aug 01, 2015 3:58 am

Re: Guatemalan Mestizo

Postby D J Thornton » Mon Aug 24, 2015 12:53 pm

Interesting note in article there is a relationship to Carribbean tribes, there isn't much contact with that region.

Analysis of uniparental DNA markers (especially mito- chondrial DNA [mtDNA] variation) and autosomal DNA markers has been widely used to explore demographic patterns throughout the Americas [19-36]. However, gen- etic analyses on present-day populations from Guatemala are limited to only a few studies. The study by Ibarra- Rivera et al. [37] on autosomal STRs (typically used in fo- rensic genetics) revealed that Maya showed fewer alleles and decreased levels of heterozygosity compared to Asians, Europeans, North And South Americans, and even non-Mayan Mesoamericans. This study also supplied evidence that the Guatemalan Mayan groups appeared less genetically variable than their Yucatan counterparts, which supports the thesis that the Guatemalan Maya have expe- rienced less gene flow than the Maya from the Mexican Peninsula [38]. Note that increased allelic diversity is ex- pected in the Yucatan’s plateau because of the greater ac- cessibility afforded by a lack of major geographical barriers [5,39]. The limited genetic diversity of the Maya was indi- cative of isolation, founder effects, bottlenecks, limited gene flow from neighboring non-Mayan peoples, and/or possible inbreeding. Overall, the results of this study sug- gested that though some genetic variability exists be- tween Mayan groups, there is a higher degree of homogeneity between them than when compared with other Mesoamerican populations. This led to the pre- sumption that distinct Mayan settlements did not evolve in isolation from one another. In fact, the data indicate that the cultural similarities shared by the Maya are reflected in their genetic profiles and are not merely a re- sult of geographic and/or cultural interactions [37]. Fur- thermore, data on HLA genes [40], and polymorphic Alu insertion (PAI) loci [38] in the actual Guatemalan popula- tion were also generated. When comparing HLA allelic frequencies in the Maya from Guatemala with other worldwide populations, the Maya were found to differ genetically from the Mixe and Oaxacan-Mexican Native Americans and to show a close relationship to the Arhuacs, Kogi, and Arsario tribes of the Caribbean. Based on the Alu insertion polymorphisms, two geographically adjacent Mayan populations from the Guatemalan high- lands (K’iche’ and Kaqchikel) were found to be more similar to each other than to populations from Yucatán.

Raven
Posts: 52
Joined: Tue Jul 14, 2015 2:31 am

Re: Guatemalan Mestizo

Postby Raven » Mon Aug 24, 2015 4:58 pm

Thanks for the additional information DJ. I'm wondering if this explains my match to Puerto Rican Massachusetts. Do you think it could also explain my high match to Brazilian Belem Amazonians?

D J Thornton
Posts: 321
Joined: Sat Aug 01, 2015 3:58 am

Re: Guatemalan Mestizo

Postby D J Thornton » Tue Aug 25, 2015 9:32 am

Söchtig et al. BMC Genomics (2015) 16:131
Page 3 of 17

ts. Already in 1690, the chronicler Francisco Antonio de Fuentes y Guzmán described the ‘Ladinos’ as ‘mestizos, mulatos and negros’. There is extensive historical docu- mentation indicating trend in Guatemala to marriages between different ethnic groups [1]. Although the demo- graphic impact of Europeans in Guatemala is difficult to quantify, it is estimated that in the beginning of the XVII century, the indigenous population surviving in Guatemala (and other Central American countries such as El Salvador) constituted only 10% of the total popula- tion living in the region before the arrival of Europeans [1]. The impact of the slave trade in Guatemala is also difficult to estimate. Some documentation indicate that in 1773, the population of Santiago de Los Caballeros de la Antigua Guatemala (‘the capital of Centro America’) had 30.000 people, and about 36% of them were ‘mulatos’ (admixed between Africans and Europeans or Natives), and in 1782, the ‘mulatos’ constituted 32% of a total of 13.000 inhabitants in the city of Nueva Guatemala de la Asunción [1] (the present Capital city of Guatemala). These figures could indirectly indicate the existence of an important amount of slaves in the regions. In contrast, the Trans-Atlantic Slave Trade Database (http://www.slave voyages.org/) shows that only a few hundred slaves dis- embarked directly in Guatemala. However, the arrival of important amounts of slaves from other neighboring
countries that were more connected to the slave trade (such as Honduras and Belize) cannot be disregarded.
Among the present-day Maya from Guatemala, there are more than 20 different ethnic groups including the K’iche’ (9.1%), Kaqchikel (8.4%), Mam (7.9%), Q’eqchi’ (6.3%), and minority groups such as Achi, Akatek, Chuj, Ixil, Jakaltek, Poqomam, Poqomchi’, Q’anjob’al, Tz’utujil, Uspantek, etc. (altogether 8.6%; according to the 2001 census). Ethnicity names usually refer to the indigenous language spoken by the group members. Although Spanish is the official language in Guatemala today, there are 23 officially recognized Native American languages. It is not uncommon that people from one region of Guatemala do not understand the language of a neighboring region. For most Mayan inhabitants, Spanish is a second lan- guage, and many Maya do not speak Spanish at all in some areas of the country. Today, the largest proportion of the Guatemalan Maya population lives in the highlands (where the majority of the studied samples of the present study have been taken), but there are also inhabitants in other rural areas, such as El Quiché department. Other minority Native American groups in Guatemala are the Garifuna and Xinka (0.1%).
The Maya constituted vast kingships during a long period over the Mesoamerican landscape (a term de- scribing Mexico and Central America within which a number of pre-Columbian societies flourished before the
Spanish colonization in the XVI century [2]), a reign that lasted for about three thousand years (kya) and was one of the most advanced civilizations within the New World. The first concrete traces of the Mayan civilization (dating back to the Pre-Classic period around 1,800 BCE) were found in the Mirador Basin of the northern depart- ment of Petén (Guatemala), though some settlements are thought to be over 6 kya old [3]. The Mirador Basin is part of a larger region (known as the Guatemala’s Maya Biosphere Reserve) that overall is considered to be the cra- dle of ancient Maya civilization (>175 archaeological sites).
According to current knowledge, a single language existed among the earliest Maya. This Proto-Mayan is thought to have been spoken at least ~4 kya ago and may be the common ancestor of all modern Mayan lan- guages today, as well as the Classic Maya languages docu- mented in the hieroglyphic inscriptions [4]. Reconstructive and descriptive linguistic studies of ancient Proto-Mayan target the Guatemalan highlands as the birthplace of this ancestral language [5]. Because of the isolation of Maya posted by vast distances and the ecological diversity of their territories, regional conflicts, sporadic migrations, and ever-changing political systems, their language has had acquired many pronunciations, and over time, those dialects have spawned new languages [6].
During the Pre-Classic Period (2000 BCE–250 CE), a great linguistic diversity developed, comprising 16 lan- guage families. Unlike other scattered populations of Mesoamerica, the Maya were centered in one geograph- ical area covering the entire Yucatan Peninsula and modern-day Guatemala; Belize and parts of East Mexico; and the western region of El Salvador and Honduras.
It was during the Classic period (AD 250–900) that the Maya civilization reached the peak of its power and influence and it was one of the most dominant indigen- ous societies of Mesoamerica. During this period, the Mayan civilization had become a complex and dynamic entity of independent city-states undergoing a series of population expansions and contractions [5,7,8]. These fluctuations may reflect episodes of migration at various times during the Classic period. By the Late Classic period (AD 600–900), much of the Maya region was or- ganized into two competing “super-states,” headed by the hegemonic powers of Tikal and Calakmul [2,9]. By the terminal Classic period, massive declines in population size led to the abandonment of many Maya territories. The reason for this subsidence remains largely unknown, although theories invoke environmental over-exploitation with all of its consequences as well as constant warfare in a landscape divided among numerous competing city- states as the main reasons.
In the Post-Classic (AD 900–1,500) period, the frag- mentation process led to a fusion of Maya settlements from the southern Yucatán highlands into the regionally
dominating K’iche’ and later Kaqchikel states [5]. Con- stant strains within the Maya region and with non- Mayan groups (Aztecs and Toltec of Mexico) led to the final collapse of the civilization prior to the arrival of the Spanish [5].
Nowadays, Maya descendants occupy the territories of Mexico, Guatemala, Belize, El Salvador, and Honduras. Maya people mostly follow their traditional way of life, including costumes, indigenous languages, and religious ceremonies. One of their most remarkable cultural traits is the faithful count of days according to the Maya calendar.
Historic evidence based on patterns of material culture (ceramics), as well as geographic variability in agricul- tural practices and socio-political structures suggest a degree of regional isolation which leads to an explan- ation of the Classic Maya population structure as a model of isolation by distance (IBD). This model de- scribes the tendency of populations that are geographic- ally closer to be more similar than populations that are further apart [10]. Such a model would consider ancient Maya as relatively non-mobile population groups and inter-population gene flow restricted to neighboring sites. Over their millenary history and given the great distances between their communities, strengthened by separation through geographical barriers, warfare, and their political system of independent city-states, it may be expected that the Maya would have diverged into sev- eral distinct populations. Contradictory evidence (mostly inscription based) shows however long-distance trade, elite visits and marriage and intercity conflicts with captive-taking, as well as the mobility of general popula- tions. On the other hand, Mayan art, architecture and rituals suggest a high degree of cohesiveness throughout their domain. Overall, there is enough evidence indicat- ing that certain gene flow occurred across the entire Maya area during the Classic period.
While both a rich archaeological record and hiero- glyphic dataset led to a better understanding of the Clas- sic Maya population history compared to most other ancient Native American cultures [2], biological investi- gations of ancient Guatemala population history are mainly limited to osteology [11] and dental studies [12,13]. These studies arrived however to contradictory findings. Thus, dental morphology examinations found evidence for biological discontinuity at Seibal (Petén) be- tween the Late and Terminal Classic periods [14]. Using the same approach, it could be shown that skeletons of Jaina (Yucatán, Mexico) demonstrated a stronger affili- ation to the Petén site than they did to nearby Chichen Itza in Mexico [15]. In addition, distinct regional cluster- ing could not be found by odontometric comparison of individuals from five Maya sites in the Yucatán Peninsula [16]; these studies suggested that extensive gene flow

D J Thornton
Posts: 321
Joined: Sat Aug 01, 2015 3:58 am

Re: Guatemalan Mestizo

Postby D J Thornton » Tue Aug 25, 2015 9:53 am

Raven,
If you want to look closer in the study start reading page seven, there is a chart of all the results, including European R1b, Atlantic Modal, common to Iberia and Ireland, Basque. The Ladino portion is probably your Puerta Rican matches. The gene flow between, north South America like Venazuela and Columbia is notable. The mtDNA Haplotypes match Bative American in North America.
Chart top of page 5 in article
One thing I find curious they automatically attribute R1b to recent admixture, but that has also shown up in North American Coastal Indians. I wonder if scholars are refusing to see the possibility, that this is more ancient,
Figure 2 Distribution of Native American haplogroup frequencies and average continental ancestry in the Guatemalan sample sets. The pie charts represent the distribution of mitochondrial (A) and Y chromosomal haplogroup (B) frequencies. In (B), R1b1a2* refers to R1b1a2*(×R1b1a2a1a1, R1b1a2a1a2a1b1a, R1b1a2a1a2b, R1b1a2a1a2c1a1a1), and Q* to Q*(×Q1a3a1), R1* to (×R1a, R1b1), and Q1a3a1* to Q1a3a1*(×Q1a3a1a-c). The bar chart (C) shows the average continental ancestry according to mtDNA, Y chromosomal and AIM-InDel data for the ‘Ladino’ and Maya population. Percentages of ancestry on the autosomal markers were obtained from the admixture analysis (and the optimal value k = 3). Percentages in the pie charts were obtained from Additional files 1 and 4 and rounded-up.

Raven
Posts: 52
Joined: Tue Jul 14, 2015 2:31 am

Re: Guatemalan Mestizo

Postby Raven » Mon Sep 07, 2015 2:36 pm

Thanks for the additional information. Since I only received 1 NA marker from one parent and my mother did not receive a match to this population ( we both received a match to Cherokee admixed and Native American Florida) does this mean that my ancestry is coming from my father? Is it possible for a person of Mexican ancestry to receive a match to the Cherokee population?

suelevin1
Posts: 50
Joined: Fri Jul 03, 2015 2:16 pm

Re: Guatemalan Mestizo

Postby suelevin1 » Thu Sep 10, 2015 3:34 pm

According to Dr. Yates' book "Cherokee Clans" there is a clan called Wild Potato that may reflect travels of Cherokee in South America. There is also some evidence that Cherokee fled from Texas into Mexico in the 1830s after an assault on their village.

http://cherokeenationofsequoyah.com/

Sue


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