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How Fast Is the Sessile Ciona?

机译:无知Ciona有多快?

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Genomewide analyses of distances between orthologous gene pairs from the ascidian speciesCiona intestinalisandCiona savignyiwere compared with those of vertebrates. Combining this data with a detailed and careful use of vertebrate fossil records, we estimated the time of divergence between the two ascidians nearly 180 My. This estimation was obtained after correcting for the different substitution rates found comparing several groups of chordates; indeed we determine here that on average Ciona species evolve 50% faster than vertebrates.
机译:与脊椎动物相比,对海鞘物种Ciona intestinalis和Ciona savignyi的直系同源基因对之间的距离进行了全基因组分析。将这些数据与对脊椎动物化石记录的详细和仔细使用相结合,我们估计了两个海体之间的时间接近180 My。该估计值是在校正了几组弦乐所发现的不同取代率之后得出的。实际上,我们在此确定,平均Ciona物种的进化速度比脊椎动物快50%。

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