FLO10 can bypass loss of FLO11 function.
(A) FLO10 and FLO11
expression are repressed by SFL1. Northern blots of
total RNA (10 μg) prepared from strains WT (10560–2B),
sfl1 (WY458), sfl1 flo10 (WY462), and
sfl1 flo11 (WY466) were hybridized with FLO10,
FLO11, and ACT1 probes, respectively.
(B) Derepression of FLO10 leads to
haploid invasion. Strains WT (10560–2B), flo10 (WY456),
sfl1 (WY458), flo11 (WY460), flo10
sfl1 (WY462), flo10 flo11 (WY464), flo11
sfl1 (WY466), and flo10 flo11 sfl1 (WY468) were
patched to a YPD plate. After 5 days of incubation, the plate was
washed under a stream of water and rephotographed. (C)
Derepression of FLO10 promotes filamentous growth.
Strains WT (WY454), flo10/flo10
(WY479), sfl1/sfl1 (WY480),
flo11/flo11 (WY481),
flo10/flo10
sfl1/sfl1 (WY482),
flo10/flo10
flo11/flo11 (WY483),
flo11/flo11 sfl1/sfl1
(WY484), and flo10/flo10
flo11/flo11 sfl1/sfl1 (WY485)
were streaked on a SLAD plate, grown for 7 days, and photographed
before and after washing.