title: Transcriptome Profile Analysis of Ovarian Tissues from Diploid and Tetraploid Loaches Misgurnus anguillicaudatus.
abstract: RNA sequencing and short-read assembly was utilized to produce a transcriptome of ovarian tissues from three-year-old diploid and tetraploid loaches (Misgurnus anguillicaudatus). A total of 28,369 unigenes were obtained, comprising 10,546 unigenes with length longer than 1000 bp. More than 73% of the unigenes were annotated through sequence comparison with databases. The RNA-seq data revealed that 2253 genes were differentially expressed between diploid and tetraploid loaches, including 1263 up-regulated and 990 down-regulated genes in tetraploid loach. Some differentially expressed genes, such as vitellogenin (Vtg), gonadotropin releasing hormone receptor type A (GnRHRA), steroidogenic acute regulatory protein (StAR), mitogen-activated protein kinase 14a (MAPK14a), ATP synthase subunit alpha (atp5a), and synaptonemal complex protein 1 (Scp1), were involved in regulation of cell proliferation, division, gene transcription, ovarian development and energy metabolism, suggesting that these genes were related to egg diameter of the loach. Results of transcriptome profiling here were validated using real time quantitative PCR in ten selected genes. The present study provided insights into the transcriptome profile of ovarian tissues from diploid and tetraploid loaches Misgurnus anguillicaudatus, which was made available to the research community for functional genomics, comparative genomics, polyploidy evolution and molecular breeding of this loach and other related species.
authors.affiliation: College of Fisheries, Key Lab of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education/Key Lab of Freshwater Animal Breeding, Ministry of Agriculture, Huazhong Agricultural University, Wuhan 437000, China. weiweiluo66@163.com.
authors.forename: Weiwei
authors.initials: W
authors.lastname: Luo
authors.affiliation: College of Fisheries, Key Lab of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education/Key Lab of Freshwater Animal Breeding, Ministry of Agriculture, Huazhong Agricultural University, Wuhan 437000, China. chuanshuliu@163.com.
authors.forename: Chuanshu
authors.initials: C
authors.lastname: Liu
authors.affiliation: College of Fisheries, Key Lab of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education/Key Lab of Freshwater Animal Breeding, Ministry of Agriculture, Huazhong Agricultural University, Wuhan 437000, China. caoxiaojuan@mail.hzau.edu.cn.|Freshwater Aquaculture Collaborative Innovation Center of Hubei Province, Wuhan 430070, China. caoxiaojuan@mail.hzau.edu.cn.
authors.forename: Xiaojuan
authors.initials: X
authors.lastname: Cao
authors.affiliation: College of Fisheries, Key Lab of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education/Key Lab of Freshwater Animal Breeding, Ministry of Agriculture, Huazhong Agricultural University, Wuhan 437000, China. huangsongqian@163.com.
authors.forename: Songqian
authors.initials: S
authors.lastname: Huang
authors.affiliation: College of Fisheries, Key Lab of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education/Key Lab of Freshwater Animal Breeding, Ministry of Agriculture, Huazhong Agricultural University, Wuhan 437000, China. wangwm@mail.hzau.edu.cn.|Freshwater Aquaculture Collaborative Innovation Center of Hubei Province, Wuhan 430070, China. wangwm@mail.hzau.edu.cn.
authors.forename: Weimin
authors.initials: W
authors.lastname: Wang
authors.affiliation: College of Fisheries, Key Lab of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education/Key Lab of Freshwater Animal Breeding, Ministry of Agriculture, Huazhong Agricultural University, Wuhan 437000, China. yekewang@126.com.
authors.forename: Yeke
authors.initials: Y
authors.lastname: Wang
mesh_terms: D000818:Animals; D003531:Cypriniformes / Q000235:genetics* / Q000378:metabolism; D004171:Diploidy; D020224:Expressed Sequence Tags; D005260:Female; D059014:High-Throughput Nucleotide Sequencing; D010053:Ovary / Q000378:metabolism*; D012313:RNA / Q000737:chemistry; D060888:Real-Time Polymerase Chain Reaction; D017423:Sequence Analysis, RNA; D057891:Tetraploidy; D059467:Transcriptome
chemical_list: D012313:RNA
keywords: Misgurnus anguillicaudatus; diploid; ovarian tissues; tetraploid; transcriptome