Sentence:  The Golgi marker GFP-SYP31, TGN marker GFP-SYP41 or <WSD>prevacuolar</WSD> compartment marker Ara7-GFP was co-transformed with the RFP-AtNHX5 or RFP-AtNHX6, respectively. 
Meaning of the word marked with <WSD> tags:  In front of a vacuole