Improved α-amylase production by Aspergillus oryzae after a double deletion of genes involved in carbon catabolite repression
Abstract In filamentous fungi, the expression of secretory glycoside hydrolase encoding genes, such as those for amylases, cellulases, and xylanases, is generally repressed in the presence of glucose. CreA and CreB have been observed to be regulating factors for carbon catabolite repression. In this...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Ichinose, Sakurako [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2013 |
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| Schlagwörter: |
Carbon catabolite derepression |
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| Anmerkung: |
© Springer-Verlag Berlin Heidelberg 2013 |
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| Übergeordnetes Werk: |
Enthalten in: Applied microbiology and biotechnology - Berlin : Springer, 1975, 98(2013), 1 vom: 10. Nov., Seite 335-343 |
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| Übergeordnetes Werk: |
volume:98 ; year:2013 ; number:1 ; day:10 ; month:11 ; pages:335-343 |
| Links: |
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| DOI / URN: |
10.1007/s00253-013-5353-4 |
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| Katalog-ID: |
SPR002990652 |
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| 100 | 1 | |a Ichinose, Sakurako |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Improved α-amylase production by Aspergillus oryzae after a double deletion of genes involved in carbon catabolite repression |
| 264 | 1 | |c 2013 | |
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| 520 | |a Abstract In filamentous fungi, the expression of secretory glycoside hydrolase encoding genes, such as those for amylases, cellulases, and xylanases, is generally repressed in the presence of glucose. CreA and CreB have been observed to be regulating factors for carbon catabolite repression. In this study, we generated single and double deletion creA and/or creB mutants in Aspergillus oryzae. The α-amylase activities of each strain were compared under various culture conditions. For the wild-type strain, mRNA levels of α-amylase were markedly decreased in the later stage of submerged culture under inducing conditions, whereas this reduced expression was not observed for single creA and double creA/creB deletion mutants. In addition, α-amylase activity of the wild-type strain was reduced in submerged culture containing high concentrations of inducing sugars, whereas all constructed mutants showed higher α-amylase activities. In particular, the α-amylase activity of the double deletion mutant in a medium containing 5 % starch was >10-fold higher than that of the wild-type strain under the same culture conditions. In solid-state cultures using wheat bran as a substrate, the α-amylase activities of single creA and double deletion mutants were >2-fold higher than that of the wild-type strain. These results suggested that deleting both creA and creB resulted in dramatic improvements in the production of secretory glycoside hydrolases in filamentous fungi. | ||
| 650 | 4 | |a α-Amylase production |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Carbon catabolite derepression |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a CreA transcription repressor |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a CreB ubiquitin processing protease |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Double deletion mutant |7 (dpeaa)DE-He213 | |
| 700 | 1 | |a Tanaka, Mizuki |4 aut | |
| 700 | 1 | |a Shintani, Takahiro |4 aut | |
| 700 | 1 | |a Gomi, Katsuya |4 aut | |
| 773 | 0 | 8 | |i Enthalten in |t Applied microbiology and biotechnology |d Berlin : Springer, 1975 |g 98(2013), 1 vom: 10. Nov., Seite 335-343 |w (DE-627)265509564 |w (DE-600)1464336-4 |x 1432-0614 |7 nnns |
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| 856 | 4 | 0 | |u https://dx.doi.org/10.1007/s00253-013-5353-4 |z lizenzpflichtig |3 Volltext |
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10.1007/s00253-013-5353-4 doi (DE-627)SPR002990652 (SPR)s00253-013-5353-4-e DE-627 ger DE-627 rakwb eng Ichinose, Sakurako verfasserin aut Improved α-amylase production by Aspergillus oryzae after a double deletion of genes involved in carbon catabolite repression 2013 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag Berlin Heidelberg 2013 Abstract In filamentous fungi, the expression of secretory glycoside hydrolase encoding genes, such as those for amylases, cellulases, and xylanases, is generally repressed in the presence of glucose. CreA and CreB have been observed to be regulating factors for carbon catabolite repression. In this study, we generated single and double deletion creA and/or creB mutants in Aspergillus oryzae. The α-amylase activities of each strain were compared under various culture conditions. For the wild-type strain, mRNA levels of α-amylase were markedly decreased in the later stage of submerged culture under inducing conditions, whereas this reduced expression was not observed for single creA and double creA/creB deletion mutants. In addition, α-amylase activity of the wild-type strain was reduced in submerged culture containing high concentrations of inducing sugars, whereas all constructed mutants showed higher α-amylase activities. In particular, the α-amylase activity of the double deletion mutant in a medium containing 5 % starch was >10-fold higher than that of the wild-type strain under the same culture conditions. In solid-state cultures using wheat bran as a substrate, the α-amylase activities of single creA and double deletion mutants were >2-fold higher than that of the wild-type strain. These results suggested that deleting both creA and creB resulted in dramatic improvements in the production of secretory glycoside hydrolases in filamentous fungi. α-Amylase production (dpeaa)DE-He213 Carbon catabolite derepression (dpeaa)DE-He213 CreA transcription repressor (dpeaa)DE-He213 CreB ubiquitin processing protease (dpeaa)DE-He213 Double deletion mutant (dpeaa)DE-He213 Tanaka, Mizuki aut Shintani, Takahiro aut Gomi, Katsuya aut Enthalten in Applied microbiology and biotechnology Berlin : Springer, 1975 98(2013), 1 vom: 10. Nov., Seite 335-343 (DE-627)265509564 (DE-600)1464336-4 1432-0614 nnns volume:98 year:2013 number:1 day:10 month:11 pages:335-343 https://dx.doi.org/10.1007/s00253-013-5353-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2110 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2360 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 98 2013 1 10 11 335-343 |
| spelling |
10.1007/s00253-013-5353-4 doi (DE-627)SPR002990652 (SPR)s00253-013-5353-4-e DE-627 ger DE-627 rakwb eng Ichinose, Sakurako verfasserin aut Improved α-amylase production by Aspergillus oryzae after a double deletion of genes involved in carbon catabolite repression 2013 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag Berlin Heidelberg 2013 Abstract In filamentous fungi, the expression of secretory glycoside hydrolase encoding genes, such as those for amylases, cellulases, and xylanases, is generally repressed in the presence of glucose. CreA and CreB have been observed to be regulating factors for carbon catabolite repression. In this study, we generated single and double deletion creA and/or creB mutants in Aspergillus oryzae. The α-amylase activities of each strain were compared under various culture conditions. For the wild-type strain, mRNA levels of α-amylase were markedly decreased in the later stage of submerged culture under inducing conditions, whereas this reduced expression was not observed for single creA and double creA/creB deletion mutants. In addition, α-amylase activity of the wild-type strain was reduced in submerged culture containing high concentrations of inducing sugars, whereas all constructed mutants showed higher α-amylase activities. In particular, the α-amylase activity of the double deletion mutant in a medium containing 5 % starch was >10-fold higher than that of the wild-type strain under the same culture conditions. In solid-state cultures using wheat bran as a substrate, the α-amylase activities of single creA and double deletion mutants were >2-fold higher than that of the wild-type strain. These results suggested that deleting both creA and creB resulted in dramatic improvements in the production of secretory glycoside hydrolases in filamentous fungi. α-Amylase production (dpeaa)DE-He213 Carbon catabolite derepression (dpeaa)DE-He213 CreA transcription repressor (dpeaa)DE-He213 CreB ubiquitin processing protease (dpeaa)DE-He213 Double deletion mutant (dpeaa)DE-He213 Tanaka, Mizuki aut Shintani, Takahiro aut Gomi, Katsuya aut Enthalten in Applied microbiology and biotechnology Berlin : Springer, 1975 98(2013), 1 vom: 10. Nov., Seite 335-343 (DE-627)265509564 (DE-600)1464336-4 1432-0614 nnns volume:98 year:2013 number:1 day:10 month:11 pages:335-343 https://dx.doi.org/10.1007/s00253-013-5353-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2110 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2360 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 98 2013 1 10 11 335-343 |
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10.1007/s00253-013-5353-4 doi (DE-627)SPR002990652 (SPR)s00253-013-5353-4-e DE-627 ger DE-627 rakwb eng Ichinose, Sakurako verfasserin aut Improved α-amylase production by Aspergillus oryzae after a double deletion of genes involved in carbon catabolite repression 2013 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag Berlin Heidelberg 2013 Abstract In filamentous fungi, the expression of secretory glycoside hydrolase encoding genes, such as those for amylases, cellulases, and xylanases, is generally repressed in the presence of glucose. CreA and CreB have been observed to be regulating factors for carbon catabolite repression. In this study, we generated single and double deletion creA and/or creB mutants in Aspergillus oryzae. The α-amylase activities of each strain were compared under various culture conditions. For the wild-type strain, mRNA levels of α-amylase were markedly decreased in the later stage of submerged culture under inducing conditions, whereas this reduced expression was not observed for single creA and double creA/creB deletion mutants. In addition, α-amylase activity of the wild-type strain was reduced in submerged culture containing high concentrations of inducing sugars, whereas all constructed mutants showed higher α-amylase activities. In particular, the α-amylase activity of the double deletion mutant in a medium containing 5 % starch was >10-fold higher than that of the wild-type strain under the same culture conditions. In solid-state cultures using wheat bran as a substrate, the α-amylase activities of single creA and double deletion mutants were >2-fold higher than that of the wild-type strain. These results suggested that deleting both creA and creB resulted in dramatic improvements in the production of secretory glycoside hydrolases in filamentous fungi. α-Amylase production (dpeaa)DE-He213 Carbon catabolite derepression (dpeaa)DE-He213 CreA transcription repressor (dpeaa)DE-He213 CreB ubiquitin processing protease (dpeaa)DE-He213 Double deletion mutant (dpeaa)DE-He213 Tanaka, Mizuki aut Shintani, Takahiro aut Gomi, Katsuya aut Enthalten in Applied microbiology and biotechnology Berlin : Springer, 1975 98(2013), 1 vom: 10. Nov., Seite 335-343 (DE-627)265509564 (DE-600)1464336-4 1432-0614 nnns volume:98 year:2013 number:1 day:10 month:11 pages:335-343 https://dx.doi.org/10.1007/s00253-013-5353-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2110 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2360 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 98 2013 1 10 11 335-343 |
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10.1007/s00253-013-5353-4 doi (DE-627)SPR002990652 (SPR)s00253-013-5353-4-e DE-627 ger DE-627 rakwb eng Ichinose, Sakurako verfasserin aut Improved α-amylase production by Aspergillus oryzae after a double deletion of genes involved in carbon catabolite repression 2013 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag Berlin Heidelberg 2013 Abstract In filamentous fungi, the expression of secretory glycoside hydrolase encoding genes, such as those for amylases, cellulases, and xylanases, is generally repressed in the presence of glucose. CreA and CreB have been observed to be regulating factors for carbon catabolite repression. In this study, we generated single and double deletion creA and/or creB mutants in Aspergillus oryzae. The α-amylase activities of each strain were compared under various culture conditions. For the wild-type strain, mRNA levels of α-amylase were markedly decreased in the later stage of submerged culture under inducing conditions, whereas this reduced expression was not observed for single creA and double creA/creB deletion mutants. In addition, α-amylase activity of the wild-type strain was reduced in submerged culture containing high concentrations of inducing sugars, whereas all constructed mutants showed higher α-amylase activities. In particular, the α-amylase activity of the double deletion mutant in a medium containing 5 % starch was >10-fold higher than that of the wild-type strain under the same culture conditions. In solid-state cultures using wheat bran as a substrate, the α-amylase activities of single creA and double deletion mutants were >2-fold higher than that of the wild-type strain. These results suggested that deleting both creA and creB resulted in dramatic improvements in the production of secretory glycoside hydrolases in filamentous fungi. α-Amylase production (dpeaa)DE-He213 Carbon catabolite derepression (dpeaa)DE-He213 CreA transcription repressor (dpeaa)DE-He213 CreB ubiquitin processing protease (dpeaa)DE-He213 Double deletion mutant (dpeaa)DE-He213 Tanaka, Mizuki aut Shintani, Takahiro aut Gomi, Katsuya aut Enthalten in Applied microbiology and biotechnology Berlin : Springer, 1975 98(2013), 1 vom: 10. Nov., Seite 335-343 (DE-627)265509564 (DE-600)1464336-4 1432-0614 nnns volume:98 year:2013 number:1 day:10 month:11 pages:335-343 https://dx.doi.org/10.1007/s00253-013-5353-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2110 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2360 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 98 2013 1 10 11 335-343 |
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10.1007/s00253-013-5353-4 doi (DE-627)SPR002990652 (SPR)s00253-013-5353-4-e DE-627 ger DE-627 rakwb eng Ichinose, Sakurako verfasserin aut Improved α-amylase production by Aspergillus oryzae after a double deletion of genes involved in carbon catabolite repression 2013 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer-Verlag Berlin Heidelberg 2013 Abstract In filamentous fungi, the expression of secretory glycoside hydrolase encoding genes, such as those for amylases, cellulases, and xylanases, is generally repressed in the presence of glucose. CreA and CreB have been observed to be regulating factors for carbon catabolite repression. In this study, we generated single and double deletion creA and/or creB mutants in Aspergillus oryzae. The α-amylase activities of each strain were compared under various culture conditions. For the wild-type strain, mRNA levels of α-amylase were markedly decreased in the later stage of submerged culture under inducing conditions, whereas this reduced expression was not observed for single creA and double creA/creB deletion mutants. In addition, α-amylase activity of the wild-type strain was reduced in submerged culture containing high concentrations of inducing sugars, whereas all constructed mutants showed higher α-amylase activities. In particular, the α-amylase activity of the double deletion mutant in a medium containing 5 % starch was >10-fold higher than that of the wild-type strain under the same culture conditions. In solid-state cultures using wheat bran as a substrate, the α-amylase activities of single creA and double deletion mutants were >2-fold higher than that of the wild-type strain. These results suggested that deleting both creA and creB resulted in dramatic improvements in the production of secretory glycoside hydrolases in filamentous fungi. α-Amylase production (dpeaa)DE-He213 Carbon catabolite derepression (dpeaa)DE-He213 CreA transcription repressor (dpeaa)DE-He213 CreB ubiquitin processing protease (dpeaa)DE-He213 Double deletion mutant (dpeaa)DE-He213 Tanaka, Mizuki aut Shintani, Takahiro aut Gomi, Katsuya aut Enthalten in Applied microbiology and biotechnology Berlin : Springer, 1975 98(2013), 1 vom: 10. Nov., Seite 335-343 (DE-627)265509564 (DE-600)1464336-4 1432-0614 nnns volume:98 year:2013 number:1 day:10 month:11 pages:335-343 https://dx.doi.org/10.1007/s00253-013-5353-4 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2110 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2360 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 98 2013 1 10 11 335-343 |
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English |
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Enthalten in Applied microbiology and biotechnology 98(2013), 1 vom: 10. Nov., Seite 335-343 volume:98 year:2013 number:1 day:10 month:11 pages:335-343 |
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Enthalten in Applied microbiology and biotechnology 98(2013), 1 vom: 10. Nov., Seite 335-343 volume:98 year:2013 number:1 day:10 month:11 pages:335-343 |
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α-Amylase production Carbon catabolite derepression CreA transcription repressor CreB ubiquitin processing protease Double deletion mutant |
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Applied microbiology and biotechnology |
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Ichinose, Sakurako @@aut@@ Tanaka, Mizuki @@aut@@ Shintani, Takahiro @@aut@@ Gomi, Katsuya @@aut@@ |
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2013-11-10T00:00:00Z |
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CreA and CreB have been observed to be regulating factors for carbon catabolite repression. In this study, we generated single and double deletion creA and/or creB mutants in Aspergillus oryzae. The α-amylase activities of each strain were compared under various culture conditions. For the wild-type strain, mRNA levels of α-amylase were markedly decreased in the later stage of submerged culture under inducing conditions, whereas this reduced expression was not observed for single creA and double creA/creB deletion mutants. In addition, α-amylase activity of the wild-type strain was reduced in submerged culture containing high concentrations of inducing sugars, whereas all constructed mutants showed higher α-amylase activities. In particular, the α-amylase activity of the double deletion mutant in a medium containing 5 % starch was >10-fold higher than that of the wild-type strain under the same culture conditions. In solid-state cultures using wheat bran as a substrate, the α-amylase activities of single creA and double deletion mutants were >2-fold higher than that of the wild-type strain. 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Ichinose, Sakurako |
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Ichinose, Sakurako misc α-Amylase production misc Carbon catabolite derepression misc CreA transcription repressor misc CreB ubiquitin processing protease misc Double deletion mutant Improved α-amylase production by Aspergillus oryzae after a double deletion of genes involved in carbon catabolite repression |
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Improved α-amylase production by Aspergillus oryzae after a double deletion of genes involved in carbon catabolite repression α-Amylase production (dpeaa)DE-He213 Carbon catabolite derepression (dpeaa)DE-He213 CreA transcription repressor (dpeaa)DE-He213 CreB ubiquitin processing protease (dpeaa)DE-He213 Double deletion mutant (dpeaa)DE-He213 |
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Improved α-amylase production by Aspergillus oryzae after a double deletion of genes involved in carbon catabolite repression |
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Improved α-amylase production by Aspergillus oryzae after a double deletion of genes involved in carbon catabolite repression |
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Ichinose, Sakurako Tanaka, Mizuki Shintani, Takahiro Gomi, Katsuya |
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Ichinose, Sakurako |
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improved α-amylase production by aspergillus oryzae after a double deletion of genes involved in carbon catabolite repression |
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Improved α-amylase production by Aspergillus oryzae after a double deletion of genes involved in carbon catabolite repression |
| abstract |
Abstract In filamentous fungi, the expression of secretory glycoside hydrolase encoding genes, such as those for amylases, cellulases, and xylanases, is generally repressed in the presence of glucose. CreA and CreB have been observed to be regulating factors for carbon catabolite repression. In this study, we generated single and double deletion creA and/or creB mutants in Aspergillus oryzae. The α-amylase activities of each strain were compared under various culture conditions. For the wild-type strain, mRNA levels of α-amylase were markedly decreased in the later stage of submerged culture under inducing conditions, whereas this reduced expression was not observed for single creA and double creA/creB deletion mutants. In addition, α-amylase activity of the wild-type strain was reduced in submerged culture containing high concentrations of inducing sugars, whereas all constructed mutants showed higher α-amylase activities. In particular, the α-amylase activity of the double deletion mutant in a medium containing 5 % starch was >10-fold higher than that of the wild-type strain under the same culture conditions. In solid-state cultures using wheat bran as a substrate, the α-amylase activities of single creA and double deletion mutants were >2-fold higher than that of the wild-type strain. These results suggested that deleting both creA and creB resulted in dramatic improvements in the production of secretory glycoside hydrolases in filamentous fungi. © Springer-Verlag Berlin Heidelberg 2013 |
| abstractGer |
Abstract In filamentous fungi, the expression of secretory glycoside hydrolase encoding genes, such as those for amylases, cellulases, and xylanases, is generally repressed in the presence of glucose. CreA and CreB have been observed to be regulating factors for carbon catabolite repression. In this study, we generated single and double deletion creA and/or creB mutants in Aspergillus oryzae. The α-amylase activities of each strain were compared under various culture conditions. For the wild-type strain, mRNA levels of α-amylase were markedly decreased in the later stage of submerged culture under inducing conditions, whereas this reduced expression was not observed for single creA and double creA/creB deletion mutants. In addition, α-amylase activity of the wild-type strain was reduced in submerged culture containing high concentrations of inducing sugars, whereas all constructed mutants showed higher α-amylase activities. In particular, the α-amylase activity of the double deletion mutant in a medium containing 5 % starch was >10-fold higher than that of the wild-type strain under the same culture conditions. In solid-state cultures using wheat bran as a substrate, the α-amylase activities of single creA and double deletion mutants were >2-fold higher than that of the wild-type strain. These results suggested that deleting both creA and creB resulted in dramatic improvements in the production of secretory glycoside hydrolases in filamentous fungi. © Springer-Verlag Berlin Heidelberg 2013 |
| abstract_unstemmed |
Abstract In filamentous fungi, the expression of secretory glycoside hydrolase encoding genes, such as those for amylases, cellulases, and xylanases, is generally repressed in the presence of glucose. CreA and CreB have been observed to be regulating factors for carbon catabolite repression. In this study, we generated single and double deletion creA and/or creB mutants in Aspergillus oryzae. The α-amylase activities of each strain were compared under various culture conditions. For the wild-type strain, mRNA levels of α-amylase were markedly decreased in the later stage of submerged culture under inducing conditions, whereas this reduced expression was not observed for single creA and double creA/creB deletion mutants. In addition, α-amylase activity of the wild-type strain was reduced in submerged culture containing high concentrations of inducing sugars, whereas all constructed mutants showed higher α-amylase activities. In particular, the α-amylase activity of the double deletion mutant in a medium containing 5 % starch was >10-fold higher than that of the wild-type strain under the same culture conditions. In solid-state cultures using wheat bran as a substrate, the α-amylase activities of single creA and double deletion mutants were >2-fold higher than that of the wild-type strain. These results suggested that deleting both creA and creB resulted in dramatic improvements in the production of secretory glycoside hydrolases in filamentous fungi. © Springer-Verlag Berlin Heidelberg 2013 |
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Improved α-amylase production by Aspergillus oryzae after a double deletion of genes involved in carbon catabolite repression |
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https://dx.doi.org/10.1007/s00253-013-5353-4 |
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Tanaka, Mizuki Shintani, Takahiro Gomi, Katsuya |
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10.1007/s00253-013-5353-4 |
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2024-07-03T16:34:15.681Z |
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| score |
7.4003716 |