S1_Fig.tif

Blue represents autofluorescence excited by a 405nm laser. Scale bar, 25μm.

10.1371/journal.pone.0135381.s001 S2_Fig.tif

Blue represents autofluorescence excited by a 405nm laser. Scale bar, 25μm.

10.1371/journal.pone.0135381.s002 S3_Fig.tif

Blue represents autofluorescence excited by a 405nm laser. Scale bar, 25μm.

10.1371/journal.pone.0135381.s003 S4_Fig.tif

Blue represents autofluorescence excited by a 405nm laser. Scale bar, 25μm.

10.1371/journal.pone.0135381.s004 S5_Fig.tif

Blue represents autofluorescence excited by a 405nm laser. Scale bar, 25μm.

10.1371/journal.pone.0135381.s005 S6_Fig.tif

Blue represents autofluorescence excited by a 405nm laser. Scale bar, 25μm.

10.1371/journal.pone.0135381.s006