Figure 9.

PEGylation of olive pollen OBs and localization of caleosin by fluorescence microscopy. (A) Localization of caleosin on PEGylated (+) and non-PEGylated (-) OBs from pollen using a FL anti-Clo3 caleosin Ab, followed by a secondary Ab conjugated with DyLight 549. After PEGylation, the accessibility of the FL anti-Clo3 Ab was hampered and no fluorescence was observed. (B) Localization of caleosin as above but using an N-terminal (αN) anti-Clo3 caleosin Ab. After PEGylation, the primary Ab was able to bind to caleosin.

Zienkiewicz et al. BMC Plant Biology 2011 11:122   doi:10.1186/1471-2229-11-122
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