Regulation of plant cell wall degradation by light in Trichoderma

Table 1 Light dependent regulation of transcription factors involved in plant biomass utilization

Name	Protein ID	Regulatory function (related to plant biomass degradation) in	Cellulase induction specific			Regulation in QM6a in light	Regulated by BLR1	Regulated by BLR2	Regulated by ENV1
Name	Protein ID		In light	In darkness	In light and darkness	Regulation in QM6a in light	Regulated by BLR1	Regulated by BLR2	Regulated by ENV1
XYR1	122208	(hemi-)cellulose utilization	x	x	x	--	x		x
CRE1	120117	Carbon catabolite repression				n
ACE1	75418	Cellulose utilization				-
ACE2	78445	Cellulose utilization		x		--
ACE3	77513	Cellulose utilization	x	x	x	---			x
CLR1	27600	(hemi-)cellulose utilization (in N. crassa)		x		-			x
CLR2	26163	(hemi-)cellulose utilization (in N. crassa)				--	x		x
XPP1	122879	(hemi-)cellulose utilization				n
VIB1	54675	Cellulose utilization				---			x
HAP2	124286	CAZy regulation				n
HAP3	121080	CAZy regulation				n
HAP5	124301	CAZy regulation				n
AmyR	55105	Starch utilization				--			x
MalR	21997	Maltose utilization				n
BglR	52368	Sugar sensing				n
RhaR1	79871	L-rhamnose utilization				n
RhaR2	121107	L-rhamnose utilization	x	x	x	n
McmA	42249	Cellulase regulation				n
VEL1	122284	Cellulase regulation				++
VEL2	40551	Metabolism				n
AreA	76817	N-assi mi lation				n
AreB	120127	Nitrogen metabolite repression				n
NmrA	74375	Nitrogen metabolite repression				n
NIT4	76705	Nitrate pathway				n
PAC1	120698	pH response				n
PACX	59740	pH response				-

For the regulatory impact of the GATA-type transcription factors BLR1 and BLR2 see text on photoreceptors
n, no regulation; +, upregulation in light; -, downregulation in light; +/-, minor regulation; ++/--, moderate regulation (around 5–10 fold); +++/---, strong regulation

ISSN: 2054-3085