Human mitochondrial DNA haplogroup

Hypothesized world map of human migrations, with the North Pole at center. Africa, harboring the start of the migration, is at the top left and South America at the far right. Migration patterns are based on studies of mitochondrial (matrilinear) DNA. Letters represent haplogroups while colors and numbers represent thousands of years before present.

Another model of human migration based on Mitochondrial DNA

In human genetics, a human mitochondrial DNA haplogroup is a haplogroup defined by differences in human mitochondrial DNA. Haplogroups are used to represent the major branch points on the mitochondrial phylogenetic tree. Understanding the evolutionary path of the female lineage has helped population geneticists trace the matrilineal inheritance of modern humans back to human origins in Africa and the subsequent spread across the globe.

The letter names of the haplogroups run from A to Z. As haplogroups were named in the order of their discovery, they do not reflect the actual genetic relationships.

The woman at the root of all these groups is the matrilineal most recent common ancestor (MRCA) for all currently living humans. She is commonly called Mitochondrial Eve.

Evolutionary relationship

Lineage Perspective

This phylogenetic tree is based on the Van Oven 2009 tree^[1] and subsequent published research.

• L (Mitochondrial Eve)
  • L0
  • L1-6
    • L1
    • L2-6
      • L5
      • L2'3'4'6
        • L2
        • L3'4'6
          • L6
          • L3'4
            • L4
            • L3
              • M
                • M8: CZ (C, Z)
                • M9: E
                • M12'G: G
                • M29'Q: Q
                • D
              • N
                • N1: I
                • N2: W
                • N9: Y
                • A
                • S
                • X
                • R
                  • R0 (FMKA pre-HV)
                    • HV: (H, V)
                  • pre-JT or R2'JT
                    • JT: (J, T)
                  • R9: F
                  • R11'B: B
                  • P
                  • U (formerly UK)
                    • U8: K

Table Perspective

Chronological development of haplogroups

European haplogroups

Bryan Sykes had claimed there were seven major mitochondrial lineages for modern Europeans but others now put the number at 10-12. These additional "daughters" generally include haplogroups I, M and W. A recent paper re-mapped European haplogroups as H, J, K, N1, T, U4, U5, V, X and W.^[2]

African haplogroups

Asian haplogroups

See also

• Genealogy
  • The Seven Daughters of Eve
  • Genealogical DNA test
  • Genetic Genealogy
  • MtDna haplogroups by populations
  • Human Y-chromosome DNA haplogroups
• Genetics
  • Human mitochondrial molecular clock
  • Cambridge Reference Sequence
  • * (haplogroup)
  • Human mitochondrial genetics
  • Hypervariable region
  • Molecular phylogeny
  • Population Genetics
• Bio-Informatics

References

1. ^ van Oven M, Kayser M (February 2009). "Updated comprehensive phylogenetic tree of global human mitochondrial DNA variation". Human Mutation 30 (2): E386–94. doi:10.1002/humu.20921. PMID 18853457. 
2. ^ "Disuniting Uniformity: A Pied Cladistic Canvas of mtDNA haplogroup H in Eurasia"

External links

• Mitochondrial Phylogenetic Trees
  • Ian Logan's Mitochondrial DNA Site
  • Mannis van Oven's PhyloTree.org
• Tamm E, Kivisild T, Reidla M, et al. (2007). Carter, Dee. ed. "Beringian standstill and spread of Native American founders". PloS One 2 (9): e829. doi:10.1371/journal.pone.0000829. PMC 1952074. PMID 17786201. http://www.pubmedcentral.nih.gov/articlerender.fcgi?tool=pmcentrez&artid=1952074. 
• Mitochondrial haplogroup skeleton
  • Vincent Macaulay's Mitochondrial haplogroup motifs
  • Cambridge DNA's An mtDNA view of the peopling of the world by Homo sapiens
  • John S. Walden's Map of macro-haplogroup N
  • List of mtDNA haplogroup projects
• mtDNA haplogroup determination
• Journal Articles
  • Sharma S, Saha A, Rai E, Bhat A, Bamezai R (2005). "Human mtDNA hypervariable regions, HVR I and II, hint at deep common maternal founder and subsequent maternal gene flow in Indian population groups". Journal of Human Genetics 50 (10): 497–506. doi:10.1007/s10038-005-0284-2. PMID 16205836. 
  • Behar DM, Metspalu E, Kivisild T, et al. (March 2006). "The matrilineal ancestry of Ashkenazi Jewry: portrait of a recent founder event". American Journal of Human Genetics 78 (3): 487–97. doi:10.1086/500307. PMC 1380291. PMID 16404693. http://www.ftdna.com/pdf/43026_doron.pdf.