Nutritional quality of interspecific backcross between hybrids of <italic style="font-style: italic">Crassostrea</italic> <italic style="font-style: italic">gigas</italic>×<italic style="font-style: italic">C</italic>. <italic style="font-style: italic">angulata</italic> and their two parental species

Chenchen WEI; Luping WANG; Xinfeng SUN; Wei WANG; Guofan ZHANG; Li LI; Rihao CONG

doi:10.1007/s00343-024-4086-9

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Nutritional quality of interspecific backcross between hybrids of Crassostrea gigas×C. angulata and their two parental species

Aquaculture and Fisheries | Updated：2025-05-27

- Nutritional quality of interspecific backcross between hybrids of Crassostrea gigas×C. angulata and their two parental species
- Nutritional quality of interspecific backcross between hybrids of Crassostrea gigas×C. angulata and their two parental species
- 海洋湖沼学报(英文) 2025年43卷第3期页码：1022-1035
- Affiliations：
  
  1.College of Life Sciences, Qingdao Agricultural University, Qingdao 266109, China
  2.CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
  3.Laboratory for Marine Biology and Biotechnology, Laoshan Laboratory, Qingdao 266100, China
  4.Laboratory for Marine Fisheries Science and Food Production Processes, Laoshan Laboratory, Qingdao 266100, China
  5.Key Laboratory of Breeding Biotechnology and Sustainable Aquaculture, Institute of Hydrobiology, Wuhan 430072, China
  6.National and Local Joint Engineering Laboratory of Ecological Mariculture, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
  7.Shandong Technology Innovation Center of Oyster Seed Industry, Qingdao 266105, China
  8.College of Fisheries and Life Science, Dalian Ocean University, Dalian 116023, China
  9.The Innovation of Seed Design, Chinese Academy of Sciences, Wuhan 430072, China
- Author bio：
  
  rhcong@qdio.ac.cn
- Funds：
  
  the Key Research and Development Program of Shandong (No. ‍2022LZGC015), the National Key R&D Program of China(2022YFD2400304);the Strategic Priority Research Program of the Chinese Academy of Sciences(XDA 24030105);the Key Technology Research and Industrialization Demonstration Projects of Qingdao, China(22-3-3-hygg-2-hy);the Technology and the Modern Agroindustry Technology Research System(CARS-49)
- DOI：10.1007/s00343-024-4086-9
  中图分类号：
- 收稿：2024-03-19，
  
  网络首发：2024-05-28，
  
  纸质出版：2025-05-01
- Accepted：
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Nutritional quality of interspecific backcross between hybrids of Crassostrea gigas×C. angulata and their two parental species[J]. 海洋湖沼学报(英文), 2025,43(3):1022-1035.

WEI Chenchen,WANG Luping,SUN Xinfeng,et al.Nutritional quality of interspecific backcross between hybrids of Crassostrea gigas×C. angulata and their two parental species[J].Journal of Oceanology and Limnology,2025,43(03):1022-1035.
Nutritional quality of interspecific backcross between hybrids of Crassostrea gigas×C. angulata and their two parental species[J]. 海洋湖沼学报(英文), 2025,43(3):1022-1035. DOI： 10.1007/s00343-024-4086-9.

WEI Chenchen,WANG Luping,SUN Xinfeng,et al.Nutritional quality of interspecific backcross between hybrids of Crassostrea gigas×C. angulata and their two parental species[J].Journal of Oceanology and Limnology,2025,43(03):1022-1035. DOI： 10.1007/s00343-024-4086-9.

摘要

Abstract

Oysters are of the most economically important bivalves worldwide. It has high nutritional value and is regarded as a good source of proteins

lipids

glycogen

and amino acids.

gigas

and

angulata

are allopatric congeneric dominant oysters that are widely cultivated in the northern and southern coast of China

and have shown remarkable differentiation in the nutritional content. Interspecific hybridization and backcross of the two species are effective ways to improve the nutritional quality of the oyster. Sixteen progenies were constructed based on a 4×4 diallel crosses among broodstock of

gigas

(G)

angulata

(A) and their hybrids GA(H) and AG(R). The glycogen

fatty acids

and amino acids performance of these progenies were evaluated in 22 months after fertilization. The glycogen content of AA was significantly lower than that of the

other 15 progenies (

0.05)

while only the GH progeny was significantly higher than the GG (

0.05)

with a heterosis value of 21.06%. The backcross progenies GR exhibited significantly higher saturated fatty acids

eicosapentaenoic acid (EPA)

and polyunsaturated fatty acids (PUFAs) content than those of GG (

0.05)

and did not show significant differences from AA. The AA showed significantly higher content of total amino acids (TAAs) than GG (

0.05). The AH progeny displayed significantly higher taurine (Tau) content than GG (

0.05)

and the heterosis value was 27.88%. Therefore

the backcross breeding was shown an effective way to improve the glycogen

fatty acids

and TAAs of GG

and the glycogen of AA. This study provided useful information to characterize the benefits of backcrossing in nutritional quality

which will facilitate the production of differentiated products and increase the efficiency of the oyster industry.

关键词

Keywords

references

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Nutritional quality of interspecific backcross between hybrids of Crassostrea gigas×C. angulata and their two parental species

Nutritional quality of interspecific backcross between hybrids of Crassostrea gigas×C. angulata and their two parental species

DOI：10.1007/s00343-024-4086-9

摘要

Abstract

关键词

Keywords

references