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Genetics, Linguistics, and Prehistoric Migrations [DNA Analysis] (32 pages)

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ARTICLE . Genetics, Linguistics, and Prehistoric Migrations: An Analysis of California Indian Mitochondrial DNA Lineages . Johnson / Lorenz 49
there are certain preliminary observations that can be
made. Although the frequently mutating np 16111 makes
discernment of phylogenetic relationships problematic, it’
is perhaps not coincidental that the three B haplotypes
found among the Yuman lineages in our database all
appear on the same branch among those containing
this mutation (Figure 6).!® Also, there are suggestive
indications of at least one unique lineage among the
linguistically and geographically isolated Tubatulabal, one
which is characterized by four mutations that distinguish
it from the founding B haplotype. Although the np 16111
mutational “hot spot” somewhat obscures its phylogenetic
position in Figure 6, this Tubatulabal lineage is most likely
related to a Desert Cahuilla lineage with which it shares
two markers (a T> C transition at np 16092 and a C>T
transition at np 16147).!” This provides a modicum of
support for the notion, based on linguistic studies (Golla
2000b), that the Tubatulabal group was descended from a
common Takic/Tubatulabal ancestral population
' Four of the six Numic samples in Table 4, three
Kawaiisu and two Western Mono, are on a distinctive
branch of their own, containing three haplotypes. Indeed,
there is greater differentiation between these particular
Numic lineages than an examination of their HVS1
sequence alone suggests. All three diverge from other
Haplogroup B samples by not exhibiting the defining 9base pair deletion, even though they otherwise possess the
distinguishing markers for Haplogroup B in their HVS1
sequences. These samples were initially categorized
as “other” in our restriction enzyme analysis, which
was unexpected because of the unquestioned Native
American pedigree of those who provided the samples
to us. Subsequent examination of the HVS1 sequences
for these individuals revealed their Haplogroup B
affiliation.
Haplogroup C Lineages
Haplogroup C comes a close second to Haplogroup B
in terms of its large proportion and diversity of lineages
within our database. Table 5 lists these 38 sequences, and
Figure 7 illustrates the phylogenetic distribution of the
20 haplotypes identified within our California Indian
database. The long-recognized founding haplotype for
Haplogroup C is clearly apparent at the center of the
diagram in Figure 7 (Haplotype C02); it occurred among
the Luisefio and Kawaiisu, as well as in two Southern
California Indian lineages of uncertain origin. One of
the interesting patterns revealed by the network diagram
is the widespread phylogenetic relationships revealed
between neighboring Luisefio and Ipai populations, even
though they belonged to separate language families. All
five Ipai samples in Haplogroup C occur on three separate
“branches” that include either a shared haplotype with
their Luisefio neighbors or are one mutational step
differentiated from them. This pattern is predictable based
on the documented intermarriage between these groups
and the long prehistory of Uto-Aztecan and Yuman
populations that were adjacent to one another in the
Greater Southwest. Linguistic evidence of phonological
convergence between Takic and Yuman groups is entirely
consistent with the genetic data (Hinton 1991).
Two of the western Takic groups, the Kitanemuk and
the Vanyumé (Desert Serrano), have unique haplotypes
that warrant comment. One of the Kitanemuk sequences
(Haplotype C19) shares the TC transitions at np 16189
and np 16311 that also have been identified among
Northern Paiute populations in the Great Basin (Kaestle
and Smith 2001; Malhi et al. 2003, 2004), suggesting a
past interaction or shared history with Numic peoples,
who lived to the northeast of the Tehachapi Mountains
where the Kitanemuk homeland was located. The single
Vanyumé sample (Haplotyped C10), with four mutations
not shared with any other Haplogroup C lineage, is quite
unusual. Two different individuals belonging to the same
matriline participated in our study in order to doublecheck this distinctive pattern, and both sequences were
identical. The earliest female ancestor of this lineage was a
woman baptized at Mission San Fernando, who had been
born about 1750 in the village of Topipabit, located along
the Mojave River near the Victorville Narrows. Most
recently, mtDNA samples obtained from the teeth of
two Late Period burials from a prehistoric cemetery near
Palmdale have yielded precisely the same HVS1 sequence,
demonstrating that this lineage has a prehistoric presence
in the Western Mojave Desert region (Kemp, Eshleman,
and Malhi 2005).!8 Its unique phylogenetic position within
Haplogroup C may suggest a greater antiquity for this
haplotype (C10) in the desert region, perhaps predating
the arrival of Uto-Aztecan populations.
Although Haplogroup C lineages were overwhelmingly a Uto-Aztecan and Yuman-Cochimi phenomenon
among our samples, a few Haplogroup C haplotypes