A Compression Algorithm for DNA Sequences Based on R2G Techniques with Security

S. M. Hossein, P. Mohapatra, D. De
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引用次数: 1

Abstract

A lossless compression algorithm, for genetic sequences, based on searching the exact repeat, reverse and genetic palindromes is reported. The compression results obtained in the algorithm show that the exact repeat, reverse and genetic palindromes are one of the main hidden regularities in DNA sequences. The proposed DNA sequence compression algorithm is based on repeat, reverse and genetic palindrome substring and creates online library file acting as a Look Up Table (LUT). The repeat, reverse and genetic palindrome substring is replaced by ASCII character where repeat of ASCII character start from 33-33+72, for reverse 33+73-33+73+72 and for genetic palindrome 179-179+72. It can provide the data security, by using ASCII code and on line Library file acting as a signature. The compression results obtained in the algorithm show that the exact repeat, reverse and genetic palindromes are one of the main hidden regularities in DNA sequences. The algorithm can approach a compression rate of 3.851273 bit/base.
基于R2G技术的DNA序列安全压缩算法
提出了一种基于精确搜索重复、反转和遗传回文的基因序列无损压缩算法。该算法的压缩结果表明,精确重复、反向和遗传回文是DNA序列的主要隐藏规律之一。提出的DNA序列压缩算法基于重复、反向和遗传回文子串,并创建在线库文件作为查找表(LUT)。重复,反向和遗传回文子串被ASCII字符替换,其中ASCII字符的重复从33-33+72开始,反向为33+73-33+73+72,遗传回文为179-179+72。它采用ASCII码和在线库文件作为签名,保证了数据的安全性。该算法的压缩结果表明,精确重复、反向和遗传回文是DNA序列的主要隐藏规律之一。该算法可以达到3.851273 bit/base的压缩率。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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