Different types of transition and transversion nucleotide substitutions in the precursor sequences of the selected conserved and non-conserved miRNA genes from all the studied Oryza species. (XLSX 13Â
Estimation of evolutionary distances has always been a major issue in the study of molecular evolution because evolutionary distances are required for estimating the rate of evolution in a gene, the d
aTotal numbers of adenine, thymine, cytosine and guanine in the dataset. bNumbers of observed substitutions and their percentages of total nucleotides observed (in brackets). cThe numbers of observed
