Fig. 7
From: Editing the genome of Aphanomyces invadans using CRISPR/Cas9
Hematoxylin and eosin-stained muscle sections of dwarf gourami. a Muscle section of positive control fish showing muscle necrosis (arrow). b Muscle section of positive control fish showing high infiltration of macrophages and other inflammatory cells (arrows). c Muscle section of the fish inoculated with RNP-2-treated zoospores showing no necrosis or infiltration of macrophages. d Higher magnification of c. e Muscle section of negative control fish showing no necrosis or infiltration of macrophages. f Higher magnification of e. Scale-bars: a, c, e, 100 μm; b, d, f, 50 μm