With the ever increasing number of Expressed Sequence Tags (ESTs) from various sequencing projects, ESTs have become valuable and first-hand source
of in-silico mining of simple sequence repeats (SSR) markers. We examined a total of 3419 EST sequences from three bamboo species, namely,
Phyllostachys edulis, Bambusa oldhamii and Dendrocalamus sinicus for the presence of di- to hexa- microsatellites. The frequency of SSR containing
ESTs varied from 5.36% in B. oldhamii to 13.05% in P. edulis. No SSRs were found in D. sinicus. Tri-nucleotide repeats (49.34%) were most frequent in
P. edulis, while not much comparable difference in repeats was found in B. oldhamii. Flanking primer pairs were also designed in-silico for the sequences
containing SSRs and their position on the genome hypothesized using similarity searching. SSRs located in open reading frame (ORF) were given
functional annotation using Gene Ontology. Polymorphic SSRs were also detected using new pipeline- polySSR. Polymorphism level was very low
(2.43%) and the position of the polymorphic SSRs was determined. The development of SSRs and the study of polymorphism will help in the further
study of intra- and inter- gene flow, genetic structure, variability, linkage mapping and evolutionary relationships in bamboo
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