期刊
FEBS OPEN BIO
卷 2, 期 -, 页码 235-240出版社
WILEY
DOI: 10.1016/j.fob.2012.08.001
关键词
Real-time quantitative PCR; Reference gene; Microarray; Hypobaric hypoxia; Locusta migratoria
资金
- National Natural Science Foundation of China [31070366, 30970407]
- National Basic Research Program of China [2012CB114102]
Real-time quantitative polymerase chain reaction (qPCR) is a routine and robust approach for measuring gene expression. The stability of reference genes in qPCR is crucial for the accurate quantification of gene expression. To provide reliable reference genes for studying the transcriptional responses of locust muscles to hypobaric hypoxia, we first examined the gene expression stability of the frequently used housekeeping genes 18S, GAPDH, and beta-actin. However, the expression of these three housekeeping genes was influenced by hypobaric hypoxia. Consequently, we identified five novel candidate reference genes from the locust microarray data. The gene expression stability of the five candidates, together with the three classical housekeeping genes, were evaluated using two distinct algorithms implemented in geNorm and NormFinder. GeNorm identified Ach (acetyl-CoA hydrolase) and Pgp (phosphoglycolate phosphatase-like) as the most stable genes and NormFinder further distinguished Ach as the most stable one. The validity of Ach as a reference gene was confirmed through comparison with 18S. This study exemplifies the necessity of validating reference genes before their application and the feasibility of identifying condition-specific reference genes from large-scale gene expression data. (C) 2012 Published by Elsevier B. V. on behalf of the Federation of European Biochemical Societies.
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