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The Plant surname Y-DNA project - details of the early Y-STR results

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Plant DNA

First Results from Oxford Ancestors

Buccal (cheek cell) samples from the first 7 volunteers were tested by the Oxford Ancestors Testing Laboratory with the following results...


:DYSDYSDYSDYSDYSDYSDYSDYSDYSDYS

:19388390391392393389iii-i425426
Main Group :









P1a :14122411121310161212
P2a :14132411131310161212
P2b :14122411131310161212
P3a :14122411131310161212
P5a :14122411131310161212
PT1a :14122411131310161212
Other:









P4a :16132611111409161211

The 6 sets of results in the Main Group are for 5 different branches that are known from documentary evidence to be unrelated for the past 200 or 300 years and from different parts of England and the USA. They include the name spelling Plantt (volunteer PT1a) as well as Plant. So far, all agree apart from single mutations for the volunteers P1a and P2a (marked in bold). Future plans include measuring more markers to find more differences between the various Plant branches and twigs. The volunteers P2a and P2b are thought to be of the same branch 250 years ago, despite the mutation for P2a. Poisson statistics suggest that each of the lines of P2a and P1a is likely to have diverged separately from those of the other 4 volunteers sometime around 250 to 1250 years ago. Measuring more markers will help to determine likely times of divergence more sharply.

So far, the modal haplotype for the Plant name includes the Atlantic Modal Haplotype (AMH), which is designated HT1.15 and which is found in surnames along the Atlantic coast in Europe. The haplotype HT1.15 is part of the haplogroup Hg1 (or more rarely Hg22), which is believed to have its origins in the Stone Age populations of Western Europe. HT1.15 is defined by just 6 markers, namely DYS 19, 388, 390, 391, 392, 393 with values (repeats) of 14, 12, 24, 11, 13, 13. This matches PT1a, P2b, P3a, P5a of the Plant results and is just 1 mutation away from P1a and P2a. The haplotype HT1.15 and single mutations from it are designated HT1.15+ and a recent paper reports that HT1.15+ was found in different proportions in different populations: 70% in Wales, 56% Basque, 44% Ireland, 41% Orkney, 38% Friesland, 18% Norway, 15% Turkey, 1% Syria. It should be noted however that these results are based on the measurement of just 6 Y-STRs. Indeed, if the Y-UEP called SRY-2627 is also measured, the Basque population is associated with Hg22 rather than Hg1. This appears to place Plant origins in Western Europe (rather than the Middle East for example). It is so far not known, however, whether the Plant modal haplogroup is Hg1 or the rarer Hg22 associated with Basques and Catalans. This may be of some relevance in as much as the name spelling Plante is clustered in Gascony neighbouring the Basques whereas the main Plant cluster neighbours Wales.

Using more of the Y-STR markers measured for Plant(e), the likelihood of a match is significantly reduced though a full 10 out of 10 matching is known to occur with PT1a, P2b, P3a, P5a for lines descending from George May (USA, VA in 1755), William Brooking (England, Devon in 1544), Dyson sample U ( England, Yorks), and Fairservice (Canada, SCO in 17th century). If many of the Plant results are found to be identical, it would always be possible in due course to try to divide them up into smaller groups by extending the number of Y-STR markers measured to 25 though there is currently an additional charge of 100 dollars for that (additional to the fee for the FT-DNA 12 marker test).

It can be noted, in particular, that it is surprising that different Plant(t)s from different regions of England and the USA have matched up so consistently so far. This almost certainly indicates an agnate (purely male-to-male) family connection between them in the past millennium or so.

The result under Other is significantly different from the results for the Main Group of Plants and clearly has not arisen as a mutation from that group in recent times. It is also a rare result for the European population as a whole. It is for someone who did not have the Plant surname but thought that they might have a male-line Plant ancestor - the DNA results do not confirm this.

Only 7 of the tested markers can be compared with the YSTR results held in a European Database (DYS19, DYS390, DYS391, DYS392, DYS393, DYS389i, DYS389ii-i). From the 9188 results held in that database, there are no matches with P4a, 26 matches of these 7 markers with P1a, and 539 with PT1a, P2a, P2b, P3a, P5a. These 7 markers indicate that the result under `Other' (P4a) is extremely rare. Using instead the 6 markers that define the AMH (which associates the Main Group of Plants with Celtic/Basque populations for example), the result for `Other' is 3 mutations away from a haplotype that is broadly associated with many Norwegians.

Further Early Results from FT-DNA for Plant-like names

As 6 out of the 7 intial results for Plant matched (4 exactly and 2 within a single mutation), it seemed advantageous to measure more markers for each person in order to increase the chances of finding slight differences between different Plant branches.

Some of those tested at 10 marker positions have had 9 of these markers checked and a further 16 or 28 markers measured. Also, further volunteers have signed up for the 12-, 25-, or 37-marker test offered by Family Tree DNA.
In the following table, the Y-line signature for the Main Group of Plants is labeled PMH (for Plant Modal Haplotype).

The matching results for the spelling Plantt (below) and the earlier results (above), apart from those extended for P1a and P5a, are omitted from this table.

DYS : PMH P1aP1bP1c P7a P7b P5a P12a P14aP20aP23a P25a P26a P27aP28aP29a : P16a P21a : P18a P9a : P6a P8a P11a P13a P17a P19a P22aP24a
393 : 13 13 1313 13 13 13 13 131313 13 13 131313 : 13 13 : 13 13 : 13 13 13 13 13 13 1313
390 : 24 24 2424 24 24 24 24 242424 24 24 242424 : 24 24 : 24 24 : 23 24 24 23 24 24 2524
19/394 : 14 14 1414 14 14 14 14 141414 14 14 141414 : 1515 : 14 14 : 14 14 14 16 14 14 1414
391 : 11 11 1111 11 11 11 11 111111 11 11 111111 : 11 11 : 11 11 : 10 11 11 11 11 11 1010
385a : 11 11 1112 11 11 11 11 111111 11 11 111111 : 11 11 : 1312 : 11 11 11 11 11 101111
385b : 14 14 1414 14 14 14 14 141414 14 14 141314 : 14 14 : 1515 : 15 15 15 15 11 141414
426 : 12 12 1212 12 12 12 12 121212 12 12 121212 : 12 12 : 12 12 : 12 12 12 12 12 12 1212
388 : 12 12 1212 12 12 12 12 121212 12 12 121212 : 12 12 : 12 12 : 12 12 12 12 12 12 1212
439 : 11 11 1111 11 11 11 11 111111 11 11 111111 : 1313 : 1212 : 11 13 13 12 11 11 1212
389-1 : 13 13 1313 13 13 13 13 131313 13 13 131313 : 13 13 : 1414 : 14 13 12 13 13 13 1413
392 : 13 121313 13 13 13 13 131313 13 13 131313 : 13 13 : 13 13 : 13 13 13 13 13 13 1313
389-2 : 29 29 2929 29 29 29 29 292929 29 29 292929 : 29 29 : 3030 : 30 30 28 29 29 29 3030
425 : 12 12 12 : : :
458 : 18 18 1818 18 18 18 1818 18 18 191819 : 18 : 1717 : 17 18 15 17 191916
459a : 9 9 99 9 9 10 99 9 9 99 : 9 : 9 9 : 9 9 9 9 9 99
459b : 10 10 1010 10 10 10 1010 10 10 1010 : 10 : 10 10 : 10 10 10 10 10 1011
455 : 11 11 1111 11 11 11 1111 11 11 111111 : 11 : 11 11 : 11 11 11 11 11 1211
454 : 11 11 1111 11 11 11 1111 11 11 111111 : 11 : 11 11 : 11 11 11 11 11 1111
447 : 25 25 2525 25 25 25 2525 25 25 252525 : 25 : 25 25 : 24 25 26 26 242524
437 : 16 16 1616 16 16 16 1616 16 16 1616 : 15 : 1414 : 15 15 15 15 161514
448 : 20 20 2020 20 20 20 2020 20 20 202020 : 19 : 1919 : 19 19 19 19 201918
449 : 30 30 3030 30 30 29 3030 30 29303030 : 30 : 3131 : 29 28 29 31 303128
464a : 15 15 1515 15 15 15 1515 15 15 151515 : 15 : 15 15 : 14 15 14 15 15 1515
464b : 15 15 1515 15 15 15 1515 15 15 151515 : 15 : 15 15 : 15 15 15 16 151515
464c : 16 16 1616 16 16 16 1616 16 16 161616 : 16 : 16 16 : 17 16 17 17 161616
464d : 16 16 1616 16 16 16 1616 16 16 161616 : 17 : 1818 : 17 17 17 17 171817
460 : 11 11 11 11 1111 11 11 111111 : 11 : 11 : 111010
GATA H4 : 11 11 11 11 1111 11 11 121111 : 11 : 11 : 121110
YCA IIa : 19 19 19 19 1919 19 19 191919 : 19 : 19 : 191919
YCA IIb : 21 21 21 21 2121 21 21 212121 : 23 : 23 : 212323
456 : 19 1818 17 1919 19 19 1818 : 16 : 16 : 191515
607 : 15 15 15 15 1515 15 15 1515 : 15 : 15 : 151515
576 : 17 17 17 17 1717 17 17 1718 : 19 : 18 : 171818
570 : 19 2020 19 1920 19 19 1919 : 17 : 16 : 191717
CDYa : 36 36 36 35 3636 37 363735 : 37 : 38 : 373837
CDYb : 37 37 37 38 3737 37 37 3839 : 38 : 39 : 373938
442 : 12 12 12 12 1212 12 12 1212 : 12 : 12 : 121112
438 : 12 12 12 12 1212 12 12 121212 : 12 : 12 : 121212

Note: the standard for evaluating the `464' alleles was readjusted in May 2003 and the values in the above table are corrected for this change.

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