NDLI: RNA/DNA ratio and LPL and MyoD mRNA expressions in muscle ofOreochromis niloticus fed with elevated levels of palm oil

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RNA/DNA ratio and LPL and MyoD mRNA expressions in muscle ofOreochromis niloticus fed with elevated levels of palm oil

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RNA/DNA ratio and LPL and MyoD mRNA expressions in muscle ofOreochromis niloticus fed with elevated levels of palm oil

Content Provider	Springer Nature Link
Author	Ayisi, Christian Larbi Zhao, Jinliang
Copyright Year	2016
Abstract	Palm oil is of great potential as one of the sustainable alternatives to fish oil (FO) in aquafeeds. In this present study, five isonitrogenous diets (32% crude protein) with elevated palm oil levels of 0%, 2%, 4%, 6% and 8% were used during an 8-week feeding trial to evaluate its effects on RNA/DNA ratio and lipoprotein lipase (LPL) and MyoD mRNA expressions in muscle of Oreochromis niloticus. The results showed that RNA, DNA content as well as ratio of RNA to DNA were significantly affected (P < 0.05), in each case the highest was recorded in fish group subjected to 6% palm oil level. There was a strong positive correlation between nucleic acid concentration (RNA concentration and RNA: DNA ratio) and specific growth rate (SGR), protein efficiency ratio (PER), while a negative correlation existed between nucleic acid concentration (RNA concentration and RNA: DNA ratio) and feed conversion ratio (FCR). The mRNA expressions of LPL and MyoD in muscle were not significantly affected by the different palm oil levels, although the highest expression was observed in fish fed with 6% palm oil level. There also existed a strong positive correlation between the mRNA expression of LPL, MyoD and SGR, PER, while their correlation with FCR was negative. In conclusion, elevated palm oil affected the RNA, DNA concentration as well as RNA/DNA ratio significantly, although the mRNA expression of LPL and MyoD were not affected significantly by elevated palm oil levels.
Starting Page	184
Ending Page	192
Page Count	9
File Format	PDF
ISSN	16725182
Journal	Journal of Ocean University of China
Volume Number	15
Issue Number	1
e-ISSN	19935021
Language	English
Publisher	Science Press
Publisher Date	2016-01-13
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Oreochromis niloticus palm oil RNA: DNA ratio LPL MyoD gene expression Oceanography Meteorology
Content Type	Text
Resource Type	Article
Subject	Oceanography Ocean Engineering

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