Long-Range Correlation and Partial 1/fα Spectrum in a Noncoding DNA Sequence

by: W Li, K Kaneko

EPL (Europhysics Letters), Vol. 17, No. 7. (1992), pp. 655-660.

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摘要

Mutual information function, which is an alternative to correlation function for symbolic sequences, and a "symbolic spectrum" are calculated for a human DNA sequence containing mostly intron segments, those that do not code for proteins. It is observed that the mutual information function of this sequence decays very slowly, and the correlation length is extremely long (at least 800 bases). The symbolic spectrum of the sequence at very low frequencies can be approximated by 1/fa, where f is the frequency and a ranges from 0.5 to 0.85. It is suggested that the existence of the repetitive patterns in the sequence is mainly responsible for the observed long-range correlation. A possible connection between this long-range correlation and those in music notes is also briefly discussed.

@article{citeulike:2774797, abstract = {Mutual information function, which is an alternative to correlation function for symbolic sequences, and a "symbolic spectrum" are calculated for a human DNA sequence containing mostly intron segments, those that do not code for proteins. It is observed that the mutual information function of this sequence decays very slowly, and the correlation length is extremely long (at least 800 bases). The symbolic spectrum of the sequence at very low frequencies can be approximated by 1/fa, where f is the frequency and a ranges from 0.5 to 0.85. It is suggested that the existence of the repetitive patterns in the sequence is mainly responsible for the observed long-range correlation. A possible connection between this long-range correlation and those in music notes is also briefly discussed.}, author = {Li, W. and Kaneko, K. }, citeulike-article-id = {2774797}, doi = {10.1209/0295-5075/17/7/014}, journal = {EPL (Europhysics Letters)}, keywords = {f-1, long\_range\_correlation}, number = {7}, pages = {655--660}, posted-at = {2008-05-09 09:49:46}, priority = {2}, title = {Long-Range Correlation and Partial 1/f\α Spectrum in a Noncoding DNA Sequence}, url = {http://dx.doi.org/10.1209/0295-5075/17/7/014}, volume = {17}, year = {1992} }

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TY - JOUR ID - citeulike:2774797 L3 - citeulike-article-id:2774797 TI - Long-Range Correlation and Partial 1/fα Spectrum in a Noncoding DNA Sequence JF - EPL (Europhysics Letters) VL - 17 IS - 7 SP - 655 EP - 660 N2 - Mutual information function, which is an alternative to correlation function for symbolic sequences, and a "symbolic spectrum" are calculated for a human DNA sequence containing mostly intron segments, those that do not code for proteins. It is observed that the mutual information function of this sequence decays very slowly, and the correlation length is extremely long (at least 800 bases). The symbolic spectrum of the sequence at very low frequencies can be approximated by 1/fa, where f is the frequency and a ranges from 0.5 to 0.85. It is suggested that the existence of the repetitive patterns in the sequence is mainly responsible for the observed long-range correlation. A possible connection between this long-range correlation and those in music notes is also briefly discussed. KW - f-1 KW - long_range_correlation AU - Li, W AU - Kaneko, K PY - 1992/// UR - http://dx.doi.org/10.1209/0295-5075/17/7/014 ER -

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