Cloning, characterization, and spatio-temporal expression patterns of HdhSPARC and its responses to multiple stressors

被引:2
|
作者
Abu Hanif, Md [1 ]
Hossen, Shaharior [1 ]
Choi, Cheol Young [2 ]
Kho, Kang Hee [1 ]
机构
[1] Chonnam Natl Univ, Dept Fisheries Sci, Yeosu 59626, South Korea
[2] Natl Korea Maritime & Ocean Univ, Div Marine Biosci, Busan 49112, South Korea
关键词
MATRICELLULAR PROTEIN SPARC; HALIOTIS-DISCUS-HANNAI; EXTRACELLULAR-MATRIX; CALCIUM-BINDING; SERTOLI-CELLS; OSTEONECTIN; CADMIUM; MOLLUSCA; LEYDIG; MANTLE;
D O I
10.1038/s41598-024-51950-7
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
SPARC is an extracellular Ca2+-binding, secreted glycoprotein that plays a dynamic role in the growth and development of organisms. This study aimed to describe the isolation, characterization, and expression analysis of HdhSPARC in Pacific abalone (Haliotis discus hannai) to infer its potential functional role. The isolated HdhSPARC was 1633 bp long, encoding a polypeptide of 284 amino acid residues. Structurally, the SPARC protein in abalone is comprised of three biological domains. However, the structure of this protein varied between vertebrates and invertebrates, as suggested by their distinct clustering patterns in phylogenetic analysis. In early development, HdhSPARC was variably expressed, and higher expression was found in veliger larvae. Moreover, HdhSPARC was highly expressed in juvenile abalone with rapid growth compared to their slower-growing counterparts. Among the testicular development stages, the growth stage exhibited higher HdhSPARC expression. HdhSPARC was also upregulated during muscle remodeling and shell biomineralization, as well as in response to different stressors such as heat shock, LPS, and H2O2 exposure. However, this gene was downregulated in Cd-exposed abalone. The present study first comprehensively characterized the HdhSPARC gene, and its spatio-temporal expressions were analyzed along with its responses to various stressors.
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页数:14
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