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Effects of temperature on fertility in hybrid hermaphroditic Argopecten scallops
Yu, Tieying1,4; Wang, Fukai3; Ning, Junhao1; Liu, Guilong5; Xu, Xin5; Wang, Chunde1,3; Lu, Xia2
Source PublicationAQUACULTURE
KeywordHermaphroditic Argopecten scallops Hybrid fertility Temperature Meiosis Apoptosis ATP production Damage repair
Corresponding AuthorWang, Chunde(chundewang2007@163.com) ; Lu, Xia(luxia_0202@163.com)
AbstractTemperature is a critical factor affecting the growth, development and reproduction of aquatic organisms. The interspecific F1 hybrids between hermaphroditic bay scallops (Argopecten irradians) and Peruvian scallops (Argopecten purpuratus) exhibited significant heterosis in yield, but sterility in most hybrids hindered large scale interspecific hybridization and speciation. We first explored the physiological effect of temperature on the fertility of hybrid hermaphroditic Argopecten scallops with F1 hybrids treated at 6 different temperatures (18 degrees C, 20 degrees C, 22 degrees C, 24 degrees C, 26 degrees C, and 28 degrees C). The results showed that the final mortality rates from 18 degrees C to 22 degrees C were significantly lower than those from 24 degrees C to 28 degrees C. With the decrease of the temperature, the size, gonadal index, ATP content, and expression of most genes related to fertility regulation gradually decreased in F1 hybrids treated at 22 degrees C, 20 degrees C and 18 degrees C, and the apoptosis rate of oocytes gradually increased, but the activity of SOD (superoxide dismutase) and CAT (catalase) first increased and then decreased. The fertility of hybrids treated at 22 degrees C, 20 degrees C and 18 degrees C gradually decreased with the decrease of the temperature. According to gene expression, temperature may regulate the fertility of Argopecten F1 hybrids by affecting apoptosis, meiosis, ATP production and damage repair to inhibit the genesis and maturation of germ cells. Our findings suggest that temperature can affect the hybrid fertility of hermaphroditic Argopecten scallops and provide the basis for further research on the mechanism of temperature on sterility.
Funding OrganizationNational Key Research and Development Program of China ; National Natural Science Foundation of China ; Earmarked Fund for Agriculture Seed Improvement Project of Shandong Province ; Scientific and Technological Project of Yantai, Shandong Province ; Earmarked Fund for Shandong Modern Agro-Industry Technology Research System
Indexed BySCI
WOS Research AreaFisheries ; Marine & Freshwater Biology
WOS IDWOS:001137731700001
Citation statistics
Document Type期刊论文
Corresponding AuthorWang, Chunde; Lu, Xia
Affiliation1.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Res & Dev Ctr Efficient Utilizat Coastal Bioresour, Yantai 264003, Shandong, Peoples R China
2.Yantai Univ, Sch Ocean, Yantai 264005, Shandong, Peoples R China
3.Qingdao Agr Univ, Coll Marine Sci & Engn, Qingdao 266109, Shandong, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
5.Yantai Spring Sea AquaSeed Ltd, Yantai 264006, Peoples R China
Recommended Citation
GB/T 7714
Yu, Tieying,Wang, Fukai,Ning, Junhao,et al. Effects of temperature on fertility in hybrid hermaphroditic Argopecten scallops[J]. AQUACULTURE,2024,581:11.
APA Yu, Tieying.,Wang, Fukai.,Ning, Junhao.,Liu, Guilong.,Xu, Xin.,...&Lu, Xia.(2024).Effects of temperature on fertility in hybrid hermaphroditic Argopecten scallops.AQUACULTURE,581,11.
MLA Yu, Tieying,et al."Effects of temperature on fertility in hybrid hermaphroditic Argopecten scallops".AQUACULTURE 581(2024):11.
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