Objectives: 98% of DNA sequence in human genome belongs to non-codingsequence.
目的：在人类基因组中，有98%的DNA序列属于非编码序列。
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Influence of neighboring base composition on nucleotide substitution bias was observed in the sequence of nuclear pseudogenes and chloroplast non-coding and coding sequences.
Further analysis on the differential expression of these non-coding RNAs in tissues and development stages has been carried out, as well as their sequence features, conservation and functions.