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Table 4 Percentage of tolerance genes in each dataset regulated by transcription factors identified as tolerance determinants

From: Shared and more specific genetic determinants and pathways underlying yeast tolerance to acetic, butyric, and octanoic acids

Gene/ORF

Description of the encoded protein function

Susceptibility level and percentage of tolerance genes present in each dataset that are regulated by TFs also identified as tolerance determinants

C2

C4

C8

CBF1

Transcription factor associated with kinetochore proteins; required for chromosome segregation

 + /76.6

 + /78.0

 + /76.9

DAL81

Transcription factor acting as a positive regulator of genes involved multiple nitrogen degradation pathways

 + /4.5

 + /4.7

 + /4.7

GCR2

Transcriptional activator of genes involved in glycolysis

 + /15.8

 + /15.4

 + /16.3

MGA2

Transcription factor involved in regulation of OLE1 transcription

 + /16.8

 + / 14.2

 + /12.4

ROX1

Transcription factor repressing hypoxic genes in aerobic conditions

0

 + /15.6

0

RPH1

Transcription factor involved in the repression of autophagy-related genes in nutrient-replete conditions

0

0

29.4

RPN4

Transcription factor that activates the transcription of proteasome encoding genes being regulated by the 26S proteasome in a negative feedback control mechanism

 + /83.2

 + /86.0

 + /85.7

SFP1

Transcription factor that regulates ribosomal protein and biogenesis genes; also involved in the regulation of the response to nutrients and stress, G2/M transition during mitotic cell cycle and DNA-damage response and modulates cell size

0

49.3

0

STP1

Transcription factor that activates transcription of amino acid permease genes and may have a role in tRNA processing

 + /13.4

 + /11.8

 + /11.2

UME6

Transcriptional regulator of early meiotic genes; involved in chromatin remodeling and transcriptional repression via DNA looping

 + /15.3

 + /16.6

 + /15.5

  1. Clustering of tolerance genes toward acetic acid (C2), butyric acid (C4), or octanoic acid (C8) found to be targets of transcription factors that are also determinants of tolerance to each weak acid. Information was retrieved from the Yeastract + database (November 2022)
  2. Table elaborated as described in Table 2