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Length and Sequence Variability in Mitochondrial Control Region of the Milkfish, Chanos chanos

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Abstract:

Extensive length variability was observed in the mitochondrial control region of the milkfish, Chanos chanos. The nucleotide sequence of the control region and flanking regions was determined. Length variability and heteroplasmy was due to the presence of varying numbers of a 41-bp tandemly repeated sequence and a 48-bp insertion/deletion (indel). The structure and organization of the milkfish control region is similar to that of other teleost fish and vertebrates. However, extensive variation in the copy number of tandem repeats (4–20 copies) and the presence of a relatively large (48-bp) indel, are apparently uncommon in teleost fish control region sequences reported to date. High sequence variability of control region peripheral domains indicates the potential utility of selected regions as markers for population-level studies.

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Received March 14, 2001; accepted June 29, 2001

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Ravago, R., Monje, V. & Juinio-Meñez, M. Length and Sequence Variability in Mitochondrial Control Region of the Milkfish, Chanos chanos . Mar. Biotechnol. 4, 40–50 (2002). https://doi.org/10.1007/s10126-001-0076-4

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  • DOI: https://doi.org/10.1007/s10126-001-0076-4

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