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Aegista chejuensis  and  Aegista quelpartensis  (Family-Bradybaenidae) are endemic to Korea, and are considered vulnerable due to declines in their population. The limited genetic resources for these species restricts the ability to prioritize conservation efforts. We sequenced the transcriptomes of these species using Illumina paired-end technology. Approximately 257 and 240 million reads were obtained and assembled into 198,531 and 230,497 unigenes for  A. chejuensis  and  A. quelpartensis , respectively. The average and N50 unigene lengths were 735.4 and 1073 bp, respectively, for  A. chejuensis , and 705.6 and 1001 bp, respectively, for  A. quelpartensis . In total, 68,484 (34.5%) and 77,745 (33.73%) unigenes for  A. chejuensis  and  A. quelpartensis , respectively, were annotated to databases. Gene Ontology terms were assigned to 23,778 (11.98%) and 26,396 (11.45) unigenes, for  A. chejuensis  and  A. quelpartensis , respectively, while 5050 and 5838 unigenes were mapped to 117 and 124 pathways in the Kyoto Encyclopedia of Genes and Genomes database. In addition, we identified and annotated 9542 and 10,395 putative simple sequence repeats (SSRs) in unigenes from  A. chejuensis  and  A. quelpartensis , respectively. We designed a list of PCR primers flanking the putative SSR regions. These microsatellites may be utilized for future phylogenetics and conservation initiatives.

international journal of molecular sciences

De novo Transcriptome Generation and Annotation for Two Korean Endemic Land Snails, Aegista chejuensis and Aegista quelpartensis, Using Illumina Paired-End Sequencing Technology