An abundance of potential inherent variation in SSR or microsatellite repeats has resulted in a valuable genetic marker in eukaryotes. We describe how SSRs in Reticulitermes chinensis castes are organized and abundant. Collectively we sequence 184,436 unigenes through the Trinity system, ranging from 201-43, 214 bp length from transcriptome data. Using MISA to find out SSRs in unigenes and a total of 10740 SSRs loci were identified as di-, tri-, tetra-, penta-, and hexanucleotide. Among them, trinucleotide SSRs were the most abundant in R. chinensis genome 2702, followed by chromosome six (tri-) 1110. Pentanucleotide repeats were found at frequency 1 from each chromosome 8, 9 and 13, respectively. The frequency of AC/GT motif was (21.91%) reported, followed by others motif (16.6%), AAG/CTT (8.49%) and AGC/CTG (8.2%). The minimum motif types were AATG/ATTC (1.27%), followed by ACG/CGT (1.32%) and AAT/ATT (1.77%). Thes abundance and inherent variations in SSRs provide valuable information for taxonomics, phylogenetic, genome mapping, and population genetic research studies. SSR-based markers have high degrees of allelic variability and codominant legacy (inheritance), and analytical ease.
Previous Article in event
Previous Article in session
Next Article in event
Next Article in session
Analysis of Simple Sequence Repeats (SSRs) Dynamics in Reticulitermes chinensis
Published:
02 July 2021
by MDPI
in The 1st International Electronic Conference on Entomology
session Biodiversity, Ecology and Evolution
Abstract:
Keywords: Reticulitermes chinensis; SSRs; microsatellites; unigenes