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Quadruple context-free L-System mathematical tools as origin of biological evolution 17
Arunava Goswami; Pabitra Pal Choudhury; Rajneesh Singh; Sk. Sarif Hassan.
It is well known that A, T, G, C annealed together early in evolution and the long stretch of DNA was found which ultimately resulted into chromosomes of different organisms. But it is unclear till date how exons, introns, conserved protein domains was formed. Using the DNA sequences of the largest known gene-family present in human genome, i.e., olfactory receptors and simplest possible quadruple context-free L-Systems, we show that conserved protein domains and intergenic regions which lies at the heart of the biological evolution started with a sixteen base-pairs stretch of DNA.
Tipo: Manuscript Palavras-chave: Genetics & Genomics; Bioinformatics; Evolutionary Biology.
Ano: 2010 URL: http://precedings.nature.com/documents/4851/version/1
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Designing L-Systems for making three and six open reading frames from the leading strand of a single DNA molecule 17
Arunava Goswami; Rajneesh Singh; Pabitra Choudhury; Sk. Sarif Hassan Hassan.
Current molecular biology dogma (except alternative splicing) suggests that leading strand of DNA produces mRNA and usually the leading strand gives one ORF (ORF) among the available six ORFs. We attempted to break this rule where three and six ORFs from the leading strand will be formed by designing L-Systems, originally proposed to study symmetry of biological world. We thought this would revolutionize the world of synthetic biology. While doing so, we found L-System containing A→T, T→G, C→A, and G→C, i.e., single nucleotide production rule will stop growing after one nucleotide. L-System containing either (a) A→TG, T→GC, C→GA, G→TC or (b) A→CTG,...
Tipo: Manuscript Palavras-chave: Biotechnology; Genetics & Genomics; Molecular Cell Biology.
Ano: 2010 URL: http://precedings.nature.com/documents/4844/version/1
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A novel mathematical tool for generating highly conserved protein domain via different organismal genomic landscapes 17
Arunava Goswami; Pabitra Pal Choudhury; Rajneesh Singh; Sk. Sarif Hassan.
Darwinian evolution hypothesizes that a short stretch of DNA was first constructed and then it expanded to give rise to a long strand. This long strand then produced a mix of exons, introns and repetitive DNA sequence. The order of production of above three kinds of DNA sequence is unknown. Reshuffling of stretches of DNA like above within organisms has given rise to different chromosomes. Till date it is not known how this process is governed. In this paper we show that starting with a sixteen base-pair human olfactory DNA sequence one can form a highly conserved protein domain. Once this domain is formed repetitive DNA sequences of a particular kind starts generating which signifies that this particular conserved protein domain will be unique in nature....
Tipo: Manuscript Palavras-chave: Biotechnology; Genetics & Genomics; Molecular Cell Biology; Bioinformatics.
Ano: 2010 URL: http://precedings.nature.com/documents/4850/version/1
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