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Gene expression analysis is a broadly used and powerful technique in many fields of biological research. The expression pattern of specific marker genes provides an insight into complex regulatory networks and leads to the identification of relevant genes associated to specific biological processes, such as arbuscular mycorrhizal symbiosis. Among the existing gene expression analysis toolbox, reverse transcriptase coupled to quantitative polymerase chain reaction (qRT-PCR) is considered the gold standard for accurate, sensitive, fast, and relatively inexpensive measurement. However, for a correct identification of differentially expressed genes, appropriate controls are required in order to minimize nonspecific variations associated with intrinsic technical variability. In this chapter, we recommend a number of tips to use qRT-PCR analysis in mycorrhizal roots and fungal mycelium.


Alessandro Silvestri, Jacob Pérez-Tienda, Juan Antonio López-Ráez. Arbuscular Mycorrhizal Fungal Gene Expression Analysis by Real-Time PCR. Methods in molecular biology (Clifton, N.J.). 2020;2146:157-170

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PMID: 32415602

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