从线粒体DNA的核苷酸分布区分<I>猫科</I>和<I>熊科</I>
Telling apart <I>Felidae</I> and <I>Ursidae</I> from the distribution of nucleotides in mitochondrial DNA
摘要：
线粒体DNA中核苷酸序列的秩-频率分布以类似于语言学方法的方式定义，最高频率的核碱基作为空白。对于这样的序列，计算熵和平均长度。这些参数被证明是区分种类<I>的猫科动物</I>（猫）和<I>熊科</I>（熊）家庭。从纯粹的数值上，我们可以看出，特别是大熊猫是熊，而考拉不是。使用简单的概率模型解释了观察到的参数之间的线性关系。基于非加性广义玻色分布的方法被用来分析核苷酸序列的频谱。在这种情况下，家庭的分离不是很尖锐。然而，与<I>熊科</I>相比<I>，猫科动物</I>的分布平均具有较长的尾巴。
英文摘要：
Rank--frequency distributions of nucleotide sequences in mitochondrial DNA are defined in a way analogous to the linguistic approach, with the highest-frequent nucleobase serving as a whitespace. For such sequences, entropy and mean length are calculated. These parameters are shown to discriminate the species of the <I>Felidae</I> (cats) and <I>Ursidae</I> (bears) families. From purely numerical values we are able to see in particular that giant pandas are bears while koalas are not. The observed linear relation between the parameters is explained using a simple probabilistic model. The approach based on the nonadditive generalization of the Bose-distribution is used to analyze the frequency spectra of the nucleotide sequences. In this case, the separation of families is not very sharp. Nevertheless, the distributions for <I>Felidae</I> have on average longer tails comparing to <I>Ursidae</I>.
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