Hypervariable Sites in the mtDNA Control Region Are Mutational Hotspots
نویسندگان
چکیده
منابع مشابه
Overlapping hotspots in CDRs are critical sites for V region diversification.
Activation-induced deaminase (AID) mediates the somatic hypermutation (SHM) of Ig variable (V) regions that is required for the affinity maturation of the antibody response. An intensive analysis of a published database of somatic hypermutations that arose in the IGHV3-23*01 human V region expressed in vivo by human memory B cells revealed that the focus of mutations in complementary determinin...
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This paper describes the organisation of a database for human mitochondrial control-region sequences. The data are divided into three ASCII files that contain aligned sequences from the hypervariable region I (HVRI), from the hypervariable region II (HVRII), and the available information about the individuals, from whom the sequences stem. The current collection comprises 4079 HVRI and 969 HVRI...
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Nucleotide sequences of the hypervariable region in the D-loop of mitochondrial DNA (mtDNA) were analyzed using DNA extracted from 140 old dental pulp samples. These sequences were compared with the sequence reported by Anderson et al. Nucleotide substitution in the HV1 region was identified at 77 positions. A C-to-T transition at position 16223 (C16223T) was most frequently detected (77.9%). F...
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ژورنال
عنوان ژورنال: The American Journal of Human Genetics
سال: 2000
ISSN: 0002-9297
DOI: 10.1086/303092