

FOLLOWUS
1.CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao266071, China
2.Laboratory for Marine Ecology and Environmental Science, Qingdao Marine Science and Technology Center, Qingdao266200, China
3.Tianjin Key Lab of Aqua-Ecology and Aquaculture, Department of Fishery Science, Tianjin300380, China
xuedongxiu@qdio.ac.cn
Received:26 December 2023,
Online First:18 February 2024,
Published:01 September 2024
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XUE Dongxiu,XIA Sudong,XING Tengfei,et al.Comparative transcriptomic analysis of ovary and testis reveals sex-related genes in roughskin sculpin Trachidermus fasciatus[J].Journal of Oceanology and Limnology,2024,42(05):1673-1682.
XUE Dongxiu,XIA Sudong,XING Tengfei,et al.Comparative transcriptomic analysis of ovary and testis reveals sex-related genes in roughskin sculpin Trachidermus fasciatus[J].Journal of Oceanology and Limnology,2024,42(05):1673-1682. DOI: 10.1007/s00343-024-3285-8.
The mechanisms underlying sex determination and differentiation have long intrigued researchers in the fields of development and evolutionary biology. The roughskin sculpin (
Trachidermus
fasciatus
Heckel)
displaying sexual dimorphism
provides an ideal model for studying the mechanisms. However
both genetic and genomic information concerning sex determination and differentiation
such as gonadal transcriptome data in roughskin sculpin
are lacking. Here
we present the first gonadal transcriptomes of roughskin sculpin and identify sex-related genes. We identified 8 531 differentially expressed genes (DEGs)
among them 4 065 were upregulated in the ovary and 4 466 upregulated in the testis. Several sex-related gene ontology (GO) terms were enriched in ovary-biased genes
including “binding of sperm to zona pellucida”
“egg coat formation”
“positive regulation of acrosome reaction”
“cell division”
and “cell cycle”
while the GO terms such as “spermatogenesis”
“sperm axoneme assembly”
“cilium assembly”
“cilium movement”
and “cilium movement involved in cell motility” were enriched in testis-biased genes. Moreover
six KEGG pathways were significantly enriched in the ovary
whereas only one was enriched in the testis. Of these DEGs
40 sex-related genes were identified
which including 26 testis-biased genes (such as
Dmrtb1
Gsdf
Sox9b
Wnt4b
Tcp11l2
and
Efhb
)
and 14 ovary-biased genes (such as
Cyp19a1a
Foxh1
Foxr1
Gdf3
Hsd17b12
and
Igf2bp3
). This gonadal transcript dataset would broaden our understanding of sex determination and differentiation mechanisms in roughskin sculpin
expand the genomic database
support future studies on sex-related gene functions
and facilitate molecular biology research into roughskin sculpin.
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