Establishment of two-dimensional electrophoresis(2-DE)technique in muscle proteome of Fenneropenaeus chinensis

Liu, Zhiyuan; Lǐ, Jiànróng; Li, Xuepeng; Li, Tingting; Wang, Yanbo; Huang, He; Chen, Huajian; WeiKe, Lu

doi:10.3724/sp.j.1231.2013.38099

Cited by 1 publication

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“…It is generally believed that heritability is relatively low and it is relatively di cult to improve traits through breeding (Bulmer MG 1991). The research on the stress resistance of Penaeus monodon (Huang et al 2012), Macrobrachium rosenbergii (Thanh et al 2010) and Penaeus chinensis (Li et al 2005) shows that the stress resistance of some aquatic animal has high heritability, which can be improved through breeding. This study used the average mortality rate and hybrid advantage of families under high ammonia-N, high pH, and low salt stress for 96 h as evaluation indicators, and screened out superior populations (MM and MT), as well as high ammonia-N and high pH families (TT2) and low salt families (MM10).…”

Section: Discussionmentioning

confidence: 99%

Comparison of stress tolerance of hybrid and selfed offspring of two populations of Litopenaeus vannamei

Miao

Jiang

et al. 2023

Preprint

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Litopenaeus vannamei collected from Thailand (T) and the United States (M) were uesd as parents, four progeny populations of TT, MM, TM and MT were constructed by diallel cross, with a total of 20 families. The tolerance of young shrimp to high ammonia-N, high pH and low salt was compared through 96 h acute toxicity test, the heterosis of each mating combination was analyzed, and the tolerance of parents and offspring was evaluated.The results showed that under 96 h of high ammonia-N, high pH, and low salt stress, the mortality rates of each family were 19.52%–92.22%, 23.29%–92.58%, and 19.95%–80.17%, respectively. There were significant differences in the tolerance of different families to ammonia-N, pH, and salinity stress (P < 0.05). The population with a female parent from the United States has stronger tolerance to ammonia-N, pH, and low salt stress than the population with a female parent from Thailand. The population with a male parent from Thailand has weaker tolerance to pH and low salt stress than the population with a male parent from the United States, but is superior to the population with a male parent from the United States under ammonia-N stress. The heterosis rates of the hybrid population TM in acute high ammonia-N, high pH and low salinity were 81.67%, 44.89% and −10.18%, respectively; The heterosis rate of MT population was 14.89%, 38.82% and −8.09%, respectively. The overall resistance of the four populations showed MM > MT > TT > TM. The population TM has obvious heterosis in high ammonia-N and high pH tolerance traits, and the family MM7 has strong low salt tolerance, so it can be considered as a candidate family for subsequent breeding work. The experimental results provide a basis for screening new strains of vannamei shrimp with strong stress resistance through family breeding.

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