Pu, F., Yang, B. & Ke, C. Characterization of reference genes for qPCR analysis in various tissues of the Fujian oyster Crassostrea angulata, ., Chin. J. Ocean. Limnol. 33, 838–845 (2015). https://doi.org/10.1007/s00343-015-4078-x
DOI:
Pu, F., Yang, B. & Ke, C. Characterization of reference genes for qPCR analysis in various tissues of the Fujian oyster Crassostrea angulata, ., Chin. J. Ocean. Limnol. 33, 838–845 (2015). https://doi.org/10.1007/s00343-015-4078-xDOI:
Characterization of reference genes for qPCR analysis in various tissues of the Fujian oyster Crassostrea angulata
摘要
Abstract
Accurate quantification of transcripts using quantitative real-time polymerase chain reaction (qPCR) depends on the identification of reliable reference genes for normalization. This study aimed to identify and validate seven reference genes
including actin-2 (ACT-2)
elongation factor 1 alpha (EF-1α)
elongation factor 1 beta (EF-1β)
glyceraldehyde-3-phosphate dehydrogenase (GAPDH)
ubiquitin (UBQ)
β-tubulin (β-TUB)
and 18S ribosomal RNA
from Crassostrea angulata
a valuable marine bivalve cultured worldwide. Transcript levels of the candidate reference genes were examined using qPCR analysis and showed differential expression patterns in the mantle
gill
adductor muscle
labial palp
visceral mass
hemolymph and gonad tissues. Quantitative data were analyzed using the geNorm software to assess the expression stability of the candidate reference genes
revealing that β-TUB and UBQ were the most stable genes. The commonly used GAPDH and 18S rRNA showed low stability
making them unsuitable candidates in this system. The expression pattern of the G protein β-subunit gene (Gβ) across tissue types was also examined and normalized to the expression of each or both of UBQ and β-TUB as internal controls. This revealed consistent trends with all three normalization approaches
thus validating the reliability of UBQ and β-TUB as optimal internal controls. The study provides the first validated reference genes for accurate data normalization in transcript profiling in Crassostrea angulata
which will be indispensable for further functional genomics studies in this economically valuable marine bivalve.
关键词
Keywords
references
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