Genome-wide expression analysis upon constitutive activation of the HacA bZIP transcription factor in Aspergillus niger reveals a coordinated cellular response to counteract ER stress

Table 3 Expression values of genes involved in starch metabolism

Gene ID	Gene name	Description	Fold change
Gene ID	Gene name	Description	HacA^CA-1/HacA^WT	HacA^CA-2/HacA^WT	HacA^CA-3/HacA^WT
Starch regulation
An04g06910	amyR	transcription regulator of maltose utilization AmyR – A. niger	−3.3	−3.3	−3.3
An01g06900		weak similarity to transcription activator AmyR – A. oryzae	−1.7*	1.4*	2.1
An09g03100	amyA	strong similarity to alpha-amylase precursor AMY – A. shirousamii	−5	−5	−5
Starch degradation
An11g03340	aamA	acid alpha-amylase – A. niger	−370	−50	−50
An04g06920	agdA	extracellular alpha-glucosidase – A. niger	−5	−10	−10
An01g10930	agdB	extracellular alpha-glucosidase – A. niger	−10	−10	−10
An03g06550	glaA	glucan 1,4-alpha-glucosidase – A. niger	−10	−25	−25
An04g06930	amyC	extracellular alpha-amylase – A. niger	−10	−25	−25
Sugar uptake
An02g03540	mstC	strong similarity to hexose transport protein HXT3 – S. cerevisiae	−2	−2	−2
An15g03940		strong similarity to monosaccharide transporter Mst-1 – A. muscaria	−2.5	−2	−1.7
An09g04810		strong similarity to high affinity glucose transporter HGT1 - K. lactis	−5	−10	−10
An11g01100		strong similarity to high-affinity glucose transporter HGT1 - K. lactis	−5	−5	−5
An12g07450	mstA	Sugar/H + symporter	−5	−10	−10

ISSN: 1471-2164