Based on an mRNA fragment annotated in the RNA-seq library of ginkgo (Wu et al., 2018 (link)), nested primers were designed to amplify full-length cDNA using the SMARTer RACE 5’/3’ Kit (Clontech, Japan) (Supplemental Table S1). Open reading frames (ORFs) were predicted by the NCBI ORFfinder, and the ORF of the GbFLSa gene was cloned to further determine its function. Moreover, ExPASy online software, DNAMAN 6.0 software, MEGA 7.0 software, SOPMA software and Gene Structure Display Server online software were used to analyze the FLS protein sequence (Wu et al., 2020a (link); Wu et al. 2020b (link)).
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