Abstract:
:Two-dimensional gel electrophoresis (2-DE), matrix-assisted laser desorption/ionization tandem time-of-flight (MALDI-TOF/TOF) mass spectrometry, and database searching were used to analyze the effects of triploidization heat shock treatment on protein expression in rainbow trout eyed embryo and fry. After fertilization, the eggs were incubated at 10 °C for 10 min. Half of the eggs were then subjected to heat shock for 10 min submerged in a 28 °C water bath to induce triploidy. The remainder was incubated normally and used as diploid controls. Specimens of eyed embryos and fry were taken on 18 and 76 days post-fertilization, respectively. In the eyed embryo extracts, seven protein spots were significantly changed in abundance between the control and heat-shocked groups and one of these was decreased while the others were increased in the heat shock-treated group. Of the spots that were shown to change in abundance in the eyed embryos with heat shock treatment, two were identified as vitellogenin, while the others were creatine kinase and angiotensin I. In the 2-DE from the fry muscle extraction, 23 spots were significantly changed in abundance between the diploid and triploid groups. Nineteen of these showed a decreased abundance in diploids, while the remaining four spots had an increased abundance. Triploidization caused differential expression of muscle metabolic proteins including triosephosphate isomerase, glyceraldehyde-3-phosphate dehydrogenase, and beta-enolase. Myosin heavy chain as a structural protein was also found to change in abundance in triploids. The altered expression of both structural and metabolic proteins in triploids was consistent with their increased cell size and lower growth performance.
journal_name
Fish Physiol Biochemjournal_title
Fish physiology and biochemistryauthors
Babaheydari SB,Keyvanshokooh S,Dorafshan S,Johari SAdoi
10.1007/s10695-016-0312-5subject
Has Abstractpub_date
2017-04-01 00:00:00pages
579-589issue
2eissn
0920-1742issn
1573-5168pii
10.1007/s10695-016-0312-5journal_volume
43pub_type
杂志文章abstract::Oxidation of rainbow trout haemoglobin (Hb) by nitrite proceeded via an initial lag phase followed by autocatalysis when the O2 saturation of the Hb was high. At low O2 saturations, the rate of methaemoglobin (metHb) formation was strongly reduced and autocatalysis was absent. Addition of adenosine triphosphate and gu...
journal_title:Fish physiology and biochemistry
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abstract::For rainbow trout Oncorhynchus mykiss, high temperature is a major abiotic stress that limits its growth and productivity. In this study, spleen macrophage respiratory burst (RB), serum superoxide dismutase (SOD), serum malondialdehyde (MDA) and mRNA expression of the SERPINH1 (HSP47) gene in different tissues (liver,...
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journal_title:Fish physiology and biochemistry
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journal_title:Fish physiology and biochemistry
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journal_title:Fish physiology and biochemistry
pub_type: 杂志文章,评审
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journal_title:Fish physiology and biochemistry
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