Validation of reference genes for qRT-PCR data normalisation in lentil (Lens culinaris ) under leaf developmental stages and abiotic stresses

Physiology and Molecular Biology of Plants : an International Journal of Functional Plant Biology
Ragini SinhaAnil Kumar Singh

Abstract

Lentil (Lens culinaris) is one of the most important staple food crops of developing countries. Transcriptome based global gene expression profiling followed by validation of expression of important genes through quantitative real time-PCR (qRT-PCR) has achieved significance in recent years. However, there is a severe scarcity of information regarding stable reference genes in lentil, which is mandatory for qRT-PCR data normalisation. Hence, the present study was under-taken to identify the most stable reference gene(s) in lentil. Expression stability of eight candidate genes viz. ribulose 1,5-bisphosphate carboxylase large subunit (Rbcl), ribosomal protein L2 (RPL2), 18S rRNA, tubulin (Tub), elongation factor 1α (EF1α), glyceraldehydes-3-phosphate dehydrogenase (GAPDH), heat shock protein (HSP70), and Maturase (mat K) was evaluated in five varieties of lentil at three different stages of leaf development and abiotic stress conditions using qRT-PCR. The results were analysed using four types of statistical software viz., geNorm, BestKeeper, NormFinder and RefFinder; all softwares identified RPL2 as most stable under abiotic stress conditions and developmental stages followed by Tub and Rbcl; while, HSP70 was identified as least...Continue Reading

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Methods Mentioned

BETA
PCR
electrophoresis

Software Mentioned

BestKeeper
normfinder
geNorm
Relative Expression Software Tool ( REST© )
Reffinder
Primer Express

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