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Medientyp:
E-Artikel
Titel:
Selection and stability validation of reference gene candidates for transcriptional analysis in Rousettus aegyptiacus
Beteiligte:
Friedrichs, Virginia;
Balkema-Buschmann, Anne;
Dorhoi, Anca;
Pei, Gang
Erschienen:
Springer Science and Business Media LLC, 2021
Erschienen in:
Scientific Reports, 11 (2021) 1
Sprache:
Englisch
DOI:
10.1038/s41598-021-01260-z
ISSN:
2045-2322
Entstehung:
Anmerkungen:
Beschreibung:
AbstractBats are the only mammals capable of powered flight and their body temperature can reach up to 42 °C during flight. Additionally, bats display robust type I IFN interferon (IFN-I) responses and some species constitutively express IFN-α. Reference genes with stable expression under temperature oscillations and IFN-I release are therefore critical for normalization of quantitative reverse-transcription polymerase chain reaction (qRT-PCR) data in bats. The expression stability of reference genes in Rousettus aegyptiacus remains elusive, although this species is frequently used in the infection research. We selected ACTB, EEF1A1, GAPDH and PGK1 as candidate reference genes and evaluated their expression stability in various tissues and cells from this model bat species upon IFN-I treatment at 35 °C, 37 °C and 40 °C by qRT-PCR. We employed two statistical algorithms, BestKeeper and NormFinder, and found that EEF1A1 exhibited the highest expression stability under all tested conditions. ACTB and GAPDH displayed unstable expression upon temperature change and IFN-I treatment, respectively. By normalizing to EEF1A1, we uncovered that GAPDH expression was significantly induced by IFN-I in R. aegyptiacus. Our study identifies EEF1A1 as the most suitable reference gene for qRT-PCR studies upon temperature changes and IFN-I treatment and unveils the induction of GAPDH expression by IFN-I in R. aegyptiacus. These findings are pertinent to other bat species and may be relevant for non-volant mammals that show physiological fluctuations of core body temperature.