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Title: Evidence of African honey bees mitotypes in the southern United States prior to Africanization as revealed by mtDNA sequence data
Authors: Pinto, M. Alice
Sheppard, Walter S.
Johnston, J. Spencer
Rubink, William L.
Coulson, Robert N.
Patton, John C.
Keywords: Africanized honeybee
sequence data
Cytochrome b
Issue Date: 2004
Publisher: Entomological Society of America
Citation: Pinto, M. Alice; Sheppard, W.S.; Johnston, J.S.; Rubink, W.L.; Coulson, R.N.; Patton, J.C. (2004) - Evidence of African honey bees mitotypes in the southern United States prior to Africanization as revealed by mtDNA sequence data. In 2004 ESA Annual Meeting and Exhibition.
Abstract: The standard protocol for assessing honey bees with a mitotype derived from an African origin is the amplification of a segment of cytochrome b and subsequent digestion of the amplified fragment with the restriction enzyme Bgl II. A previous survey of 451pre-Africanization honey bees from the southern U. S. revealed three bees with restriction pattern consistent with an African mitotype. To confirm these bees truly represented mitotypes of African origin we developed a new primer pair for amplification of cytochrome b, which utilizes internal sequencing primers to allow high quality direct sequence products. Using this system we amplified a mtDNA fragment of ~1,200 base-pairs (bp), taht included most of cytochrome b, serine (UCA) tRNA, and a small portion (s) of the ND-1 gene (s). Honey bees from ten morphometrically identified Apis mellifera subspecies (42 honey bee workers, each representing a different colony) from Old World and three honey bee workers (each representing a different colony) from the southern United States exhibiting an African phenotype as revealed by BglII restriction enzyme analysis were sequenced. The analysis showed that two of the three honey bees were of eastern European ancestry. These bees had lost the BglII cut site by a first position (C->A) transversion mutation. The third honey bee was found to have a sequence of African clade bees. This defining substitution for the African clade was found to be a third position (T->C) transiton mutation.
Peer review: yes
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Appears in Collections:ARN - Resumos em Proceedings Não Indexados ao ISI/Scopus

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