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. 2021 Jul 13;12:4278. doi: 10.1038/s41467-021-24617-4

Fig. 2. Additional open reading frames in the TYLCV genome encode proteins with predicted domains and specific subcellular localizations.

Fig. 2

a Nucleotide position of the six additional ORFs and the six known ORFs in the TYLCV genome, size (in aa) and predicted molecular weight (MW; in kDa) of the corresponding encoded proteins, and domains or signals predicted in the protein sequence. TM: transmembrane domain; NLS: nuclear localization signal; cTP: chloroplast transit peptide. b Subcellular localization of the proteins encoded by ORF1-6 fused to GFP at their C-terminus transiently expressed in N. benthamiana leaves. Scale bar: 25 μm. c Co-localization of ORF2-GFP with the ER marker RFP-HDEL. Scale bar: 25 μm. d Co-localization of ORF3-GFP with the mitochondrial stain MitoTracker Red. Scale bar: 25 μm. e Co-localization of ORF4-GFP with the ER marker RFP-HDEL and the cis-Golgi marker SYP32-RFP. Scale bar: 10 μm. f Co-localization of ORF5-GFP with the cis-Golgi marker SYP32-RFP. Scale bar: 25 μm. g Co-localization of ORF6-GFP with the cis-Golgi marker SYP32-RFP. Scale bar: 25 μm. These experiments were repeated at least three times with similar results; representative images are shown. The TYLCV isolate used in these experiments is TYLCV-Alm.