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Published on: August 8, 2019
Complete mitogenomes of the chlorophyte green algae Scherffelia dubia and Tetraselmis sp. CCMP 881
Monique Turmel1, Christian Otis1, Jean-Charles de Cambiaire1
1Département de biochimie, de microbiologie et de bio-informatique, Institut de Biologie Intégrative et des Systèmes, Université Laval, Québec, Canada.
Abstract:
We report here the first mitogenome sequences for the chlorophyte class Chlorodendrophyceae. The mitogenomes of Tetraselmis sp. CCMP 881 and Scherffelia dubia (SAG 17.86) are 46,904 bp and 78,958 bp long, respectively, but their gene repertoires are almost identical. Each genome harbors an inverted repeat (IR). The 14,105-bp IR of S. dubia encodes seven genes in addition to a part of rps19, whereas the 2445-bp IR of Tetraselmis sp. CCMP 881 contains a single gene. Considering that an IR has also been found in the mitogenomes of certain earlier-diverging chlorophytes, the IRs of chlorodendrophycean algae probably represent ancestral features.
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