He bait and prey were cultivated on the SD-Leu-UraAureobasidin A (AbA) media (200 mg L-1 of AbA). The interaction between prey and bait was observed according to the growth of yeast strains. Quantification of JA For WT and transgenic Arabidopsis, leaf tissues (200 mg fresh weight) from WT, OE2 and OE3 plants have been harvested under normal circumstances. For grapevine, the plantlets have been transferred to liquid 12 MS medium with six PEG 6000 to simulate water tension, and 200 mg fresh weight of leaves were sampled at 0, 1, and 2 d just after initiating water anxiety. JA was extracted and quantified by LC-MS MS as described previously by Fu et al. (2012).ResultsA22 mreb Inhibitors products VaNAC26 contains a common NAC domain in its N-terminal localized within the nucleusThe CDS of NAC26 was cloned from V. amurensis and named VaNAC26. Compared with its homologous genes from `Pinot Noir’ (GSVIVT01019952001), only two single nucleotide polymorphisms (SNPs) were identified in the CDS of VaNAC26 (Supplementary Fig. S1). The identical deduced amino acid sequences were found in VaNAC26 and GSVIVT01019952001. The deduced protein sequence of VaNAC26 contained 282 amino acid residues. According to the multi-alignment of VaNAC26 with 5 NAC 4-Aminosalicylic acid Formula proteins from Arabidopsis, a typical highly conserved NAC domain (from 9 to 134 amino acid residues) was located in its N-terminal area and could possibly be divided into 5 subdomains (A ) as outlined by Kikuchi et al. (2000) (Fig. 1A). The C-terminal region of VaNAC26 showed no important similarity to any other members in the NAC household and represented a much more variable region. The nuclear localization signal (NLS:PRDRKYP) was identified in the third motif of the NAC domain (Fig. 1A). A phylogenetic analysis was performed in between VaNAC26 protein as well as other NAC domain-containing proteins which have been reported to be stress-related NACs. As shown in Fig. 1B,VaNAC26 functions in drought pressure response |Fig. 1. Sequence evaluation of VaNAC26. (A) Multi-sequence alignment of VaNAC26 with various standard NAC proteins, including ATAF1 (GenBank accession no. NP_171677), ATAF2 (GenBank accession no. CAA52772), AtNAM (GenBank accession no. AAD17314), AtNAC2 (GenBank accession no. BT004079) and AtNAP (GenBank accession no. AJ222713) from Arabidopsis. Letters (A ) above the sequences represent five conserved NAC subdomains. NLS represents nuclear localization signal. (B) Phylogenetic partnership amongst VaNAC26 and homologous proteins and also other abiotic tension connected NAC proteins. (This figure is offered in colour at JXB on the net.)NAC proteins could possibly be clustered into 3 subgroups like ATAF, NAP, and NAM subgroups. VaNAC26 belongs to the NAP subgroup and showed highest similarity with AtNAP. VvNAC1, which regulates abiotic and biotic strain tolerances in grapevines, was also classified into this subgroup. NAC proteins that belong to NAP subgroups had been discovered participating in responses to abiotic stresses in numerous species including rice (Chen et al., 2014; Liang et al., 2014), grapevine (Le H anff et al., 2013) and potato (Xu et al., 2014). As a way to identify the subcellular localization of VaNAC26, a full-length cDNA of VaNAC26 was cloned into the pCAMBIA1302 vector under the handle of thecauliflower mosaic virus (CaMV) 35S promoter and ligated into BglIISpeI website of enhanced GFP (eGFP), resulting in an in-frame fusion protein of the VaNAC26::eGFP. The empty vector with only eGFP derived from the 35S promoter was employed as a manage. 4 6-diamidino-2-phenylindole (DAPI) wa.