PvC3H72 (Phytozome accession no.: Pavir.J07041.1) was previously identified as a CCCH-type Znf family gene and classified in the clade-XIV as a stress-responsive gene [18 (link)]. The full length gene was amplified from the gDNA of a selected line ‘HR8’ from switchgrass lowland ecotype ‘Alamo’ [47 (link)], and its encoded amino acid sequence is shown in Additional file 3: Figure S2. The gene was cloned into the Gateway entry vector pENTR/D (Invtirogen, Carlsbad, CA). The gene was subcloned into p2GWF7 [48 (link)], pGBKT7 (Invitrogen) and pVT1629 [47 (link)] through LR reaction (Invitrogen).
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