Molecular Biology and Evolution, Vol 10, 296-305, Copyright © 1993 by Society for Molecular Biology and Evolution
MC Dillon and JM Wright
We have amplified, by the polymerase chain reaction, and have sequenced the
D-loop region of the mitochondrial DNA from the sperm whale (Physeter
macrocephalus). The sperm whale D-loop was aligned with D- loop sequences
from four other cetaceans (Commerson's dolphin, orca, fin whale, and minke
whale) and an out-group (cow). This alignment showed the sperm whale
sequence to be larger than that of other cetaceans. In addition, some
sequence blocks were highly conserved among all six species, suggesting
roles in the functioning of mitochondrial DNA. Other blocks that were
previously reported to be well conserved among cetaceans showed little
sequence conservation with the sperm whale D-loop, which argues against the
functional importance of these sequence blocks in cetaceans.
ORIGINAL ARTICLE
Nucleotide sequence of the D-loop region of the sperm whale (Physeter macrocephalus) mitochondrial genome
Department of Biology, Dalhousie University, Halifax, Nova Scotia, Canada.
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