Daran-Lapujade P, et al. (2004) Role of transcriptional regulation in controlling fluxes in central carbon metabolism of Saccharomyces cerevisiae. A chemostat culture study. J Biol Chem 279(10):9125-38
Abstract: In contrast to batch cultivation, chemostat cultivation allows the identification of carbon source responses without interference by carbon-catabolite repression, accumulation of toxic products, and differences in specific growth rate. This study focuses on the yeast Saccharomyces cerevisiae, grown in aerobic, carbon-limited chemostat cultures. Genome-wide transcript levels and in vivo fluxes were compared for growth on two sugars, glucose and maltose, and for two C2-compounds, ethanol and acetate. In contrast to previous reports on batch cultures, few genes (180 genes) responded to changes of the carbon source by a changed transcript level. Very few transcript levels were changed when glucose as the growth-limiting nutrient was compared with maltose (33 transcripts), or when acetate was compared with ethanol (16 transcripts). Although metabolic flux analysis using a stoichiometric model revealed major changes in the central carbon metabolism, only 117 genes exhibited a significantly different transcript level when sugars and C2-compounds were provided as the growth-limiting nutrient. Despite the extensive knowledge on carbon source regulation in yeast, many of the carbon source-responsive genes encoded proteins with unknown or incompletely characterized biological functions. In silico promoter analysis of carbon source-responsive genes confirmed the involvement of several known transcriptional regulators and suggested the involvement of additional regulators. Transcripts involved in the glyoxylate cycle and gluconeogenesis showed a good correlation with in vivo fluxes. This correlation was, however, not observed for other important pathways, including the pentose-phosphate pathway, tricarboxylic acid cycle, and, in particular, glycolysis. These results indicate that in vivo fluxes in the central carbon metabolism of S. cerevisiae grown in steadystate, carbon-limited chemostat cultures are controlled to a large extent via post-transcriptional mechanisms.
| Status: Published | Type: Journal Article | Research Support, Non-U.S. Gov't | PubMed ID: 14630934 |
Topics addressed in this paper
Number of different genes curated to this paper: 225
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| Topics | Topics not linked to Genes | Genes linked to topics (#1 - 10 ) | |||||||||
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| AAD16 | ACH1 | ACO1 | ACO2 | ACS1 | ACS2 | ADH1 | ADH2 | ADH3 | ADH4 | ||
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| ADH5 | AGP2 | AHP1 | ALD2 | ALD3 | ALD4 | ALD5 | ALD6 | BAP2 | CAT2 | |
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| Topics | Genes linked to topics (#21 - 30 ) | |||||||||
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| CDA1 | CDA2 | CDC19 | CIT1 | CIT2 | CIT3 | COS3 | COT1 | CPA2 | CRC1 | |
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| Topics | Genes linked to topics (#31 - 40 ) | |||||||||
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| CRF1 | CTR3 | CWP1 | CYC7 | DAL2 | DAL5 | DAL7 | DCS2 | DOG2 | DON1 | |
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| Topics | Genes linked to topics (#41 - 50 ) | |||||||||
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| DUR3 | EAP1 | ECM13 | ENO1 | ENO2 | FBA1 | FBP1 | FDH1 | FDH2 | FIT3 | |
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| Topics | Genes linked to topics (#51 - 60 ) | |||||||||
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| FUM1 | GAD1 | GCV2 | GCY1 | GDH3 | GIP2 | GLK1 | GND1 | GND2 | GNP1 | |
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| Topics | Genes linked to topics (#61 - 70 ) | |||||||||
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| GOR1 | GPM1 | GPM2 | GPM3 | HMX1 | HUB1 | HXK1 | HXK2 | HXT2 | HXT4 | |
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| Topics | Genes linked to topics (#71 - 80 ) | |||||||||
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| HXT7 | ICL1 | ICL2 | ICY1 | IDH1 | IDH2 | IDP1 | IDP2 | IDP3 | IGO1 | |
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| Topics | Genes linked to topics (#81 - 90 ) | |||||||||
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| IMA1 | IMA4 | IMA5 | INO1 | ISF1 | IXR1 | KGD1 | KGD2 | LCL1 | LEE1 | |
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| Topics | Genes linked to topics (#91 - 100 ) | |||||||||
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| LPD1 | LSC1 | LSC2 | MAL1 | MAL11 | MAL12 | MAL2 | MAL21 | MAL22 | MAL31 | |
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| MAL32 | MAL41 | MAL42 | MAL61 | MAL62 | MCH5 | MDH1 | MDH2 | MDH3 | MEP2 | |
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| Topics | Genes linked to topics (#111 - 120 ) | |||||||||
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| MFA2 | MLS1 | MSC1 | MTH1 | NDE2 | PCK1 | PDB1 | PDC1 | PDC5 | PDC6 | |
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| Topics | Genes linked to topics (#121 - 130 ) | |||||||||
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| PDH1 | PDR12 | PDX1 | PEX21 | PFK1 | PFK2 | PGI1 | PGK1 | PHM8 | PIR3 | |
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| Topics | Genes linked to topics (#131 - 140 ) | |||||||||
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| PRM4 | PTI1 | PYC1 | PYC2 | PYK2 | REG2 | RKI1 | RPE1 | RPL15B | RPL31B | |
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| Topics | Genes linked to topics (#141 - 150 ) | |||||||||
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| RPL7B | RPS10A | RPS26B | RTC3 | RTN2 | SAM3 | SDH1 | SDH2 | SDH3 | SDH4 | |
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| Topics | Genes linked to topics (#151 - 160 ) | |||||||||
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| SDS23 | SFC1 | SHH3 | SIP18 | SIP2 | SIP4 | SKG3 | SKN1 | SOL1 | SOL2 | |
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| Topics | Genes linked to topics (#161 - 170 ) | |||||||||
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| SOL3 | SOL4 | SPI1 | SPS100 | SPS4 | SSP1 | STL1 | SUC2 | SUC4 | SWM1 | |
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| Topics | Genes linked to topics (#171 - 180 ) | |||||||||
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| TAL1 | TDA1 | TDH1 | TDH2 | TDH3 | TKL1 | TKL2 | TMA10 | TPI1 | TPO2 | |
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| Topics | Genes linked to topics (#181 - 190 ) | |||||||||
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| TRM13 | TRP4 | UIP4 | UPS2 | VHS1 | VID24 | YAR068W | YAR069C | YAT1 | YAT2 | |
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| Topics | Genes linked to topics (#191 - 200 ) | |||||||||
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| YBR056W | YBR285W | YDL085C-A | YDR210W | YDR222W | YDR248C | YDR401W | YEF1 | YER158C | YER187W | |
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| Topics | Genes linked to topics (#201 - 210 ) | |||||||||
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| YER188W | YGP1 | YGR067C | YGR122C-A | YGR250C | YIL001W | YIL014C-A | YIR016W | YIR043C | YJL144W | |
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| Topics | Genes linked to topics (#211 - 220 ) | |||||||||
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| YJR115W | YKL107W | YKR075C | YLR053C | YLR108C | YLR224W | YLR257W | YMR090W | YMR315W | YNL134C | |
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| Topics | Genes linked to topics (#221 - 225 ) | ||||
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| YNL190W | YOL162W | YPL264C | YPS6 | ZWF1 | |
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