An impaired ubiquitin ligase complex favors initial growth of auxotrophic yeast strains in synthetic grape must

Verfasser / Beitragende:
[Ana Mangado, Jordi Tronchoni, Pilar Morales, Maite Novo, Manuel Quirós, Ramon Gonzalez]
Ort, Verlag, Jahr:
2015
Enthalten in:
Applied Microbiology and Biotechnology, 99/3(2015-02-01), 1273-1286
Format:
Artikel (online)
ID: 605501564
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024 7 0 |a 10.1007/s00253-014-6126-4  |2 doi 
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245 0 3 |a An impaired ubiquitin ligase complex favors initial growth of auxotrophic yeast strains in synthetic grape must  |h [Elektronische Daten]  |c [Ana Mangado, Jordi Tronchoni, Pilar Morales, Maite Novo, Manuel Quirós, Ramon Gonzalez] 
520 3 |a We used experimental evolution in order to identify genes involved in the adaptation of Saccharomyces cerevisiae to the early stages of alcoholic fermentation. Evolution experiments were run for about 200 generations, in continuous culture conditions emulating the initial stages of wine fermentation. We performed whole-genome sequencing of four adapted strains from three independent evolution experiments. Mutations identified in these strains pointed to the Rsp5p-Bul1/2p ubiquitin ligase complex as the preferred evolutionary target under these experimental conditions. Rsp5p is a multifunctional enzyme able to ubiquitinate target proteins participating in different cellular processes, while Bul1p is an Rsp5p substrate adaptor specifically involved in the ubiquitin-dependent internalization of Gap1p and other plasma membrane permeases. While a loss-of-function mutation in BUL1 seems to be enough to confer a selective advantage under these assay conditions, this did not seem to be the case for RSP5 mutated strains, which required additional mutations, probably compensating for the detrimental effect of altered Rsp5p activity on essential cellular functions. The power of this experimental approach is illustrated by the identification of four independent mutants, each with a limited number of SNPs, affected within the same pathway. However, in order to obtain information relevant for a specific biotechnological process, caution must be taken in the choice of the background yeast genotype (as shown in this case for auxotrophies). In addition, the use of very stable continuous fermentation conditions might lead to the selection of a rather limited number of adaptive responses that would mask other possible targets for genetic improvement. 
540 |a Springer-Verlag Berlin Heidelberg, 2014 
690 7 |a Wine yeast  |2 nationallicence 
690 7 |a Adaptive laboratory evolution (ALE)  |2 nationallicence 
690 7 |a Experimental evolution  |2 nationallicence 
690 7 |a Fermentation kinetics  |2 nationallicence 
690 7 |a Next-generation sequencing (NGS)  |2 nationallicence 
690 7 |a Rsp5p-Bul1/2p  |2 nationallicence 
700 1 |a Mangado  |D Ana  |u Instituto de Ciencias de la Vid y del Vino, ICVV, (CSIC-Universidad de La Rioja-Gobierno de La Rioja), Madre de Dios 51, 26006, Logroño, La Rioja, Spain  |4 aut 
700 1 |a Tronchoni  |D Jordi  |u Instituto de Ciencias de la Vid y del Vino, ICVV, (CSIC-Universidad de La Rioja-Gobierno de La Rioja), Madre de Dios 51, 26006, Logroño, La Rioja, Spain  |4 aut 
700 1 |a Morales  |D Pilar  |u Instituto de Ciencias de la Vid y del Vino, ICVV, (CSIC-Universidad de La Rioja-Gobierno de La Rioja), Madre de Dios 51, 26006, Logroño, La Rioja, Spain  |4 aut 
700 1 |a Novo  |D Maite  |u Departament de Bioquímica i Biotecnologia, Facultat de Ciències de l′Educació i Psicologia, Universitat Rovira i Virgili, Tarragona, Spain  |4 aut 
700 1 |a Quirós  |D Manuel  |u Evolva Biotech A/S, Copenhagen Ø, Denmark  |4 aut 
700 1 |a Gonzalez  |D Ramon  |u Instituto de Ciencias de la Vid y del Vino, ICVV, (CSIC-Universidad de La Rioja-Gobierno de La Rioja), Madre de Dios 51, 26006, Logroño, La Rioja, Spain  |4 aut 
773 0 |t Applied Microbiology and Biotechnology  |d Springer Berlin Heidelberg  |g 99/3(2015-02-01), 1273-1286  |x 0175-7598  |q 99:3<1273  |1 2015  |2 99  |o 253 
856 4 0 |u https://doi.org/10.1007/s00253-014-6126-4  |q text/html  |z Onlinezugriff via DOI 
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900 7 |a Metadata rights reserved  |b Springer special CC-BY-NC licence  |2 nationallicence 
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950 |B NATIONALLICENCE  |P 856  |E 40  |u https://doi.org/10.1007/s00253-014-6126-4  |q text/html  |z Onlinezugriff via DOI 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Mangado  |D Ana  |u Instituto de Ciencias de la Vid y del Vino, ICVV, (CSIC-Universidad de La Rioja-Gobierno de La Rioja), Madre de Dios 51, 26006, Logroño, La Rioja, Spain  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Tronchoni  |D Jordi  |u Instituto de Ciencias de la Vid y del Vino, ICVV, (CSIC-Universidad de La Rioja-Gobierno de La Rioja), Madre de Dios 51, 26006, Logroño, La Rioja, Spain  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Morales  |D Pilar  |u Instituto de Ciencias de la Vid y del Vino, ICVV, (CSIC-Universidad de La Rioja-Gobierno de La Rioja), Madre de Dios 51, 26006, Logroño, La Rioja, Spain  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Novo  |D Maite  |u Departament de Bioquímica i Biotecnologia, Facultat de Ciències de l′Educació i Psicologia, Universitat Rovira i Virgili, Tarragona, Spain  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Quirós  |D Manuel  |u Evolva Biotech A/S, Copenhagen Ø, Denmark  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Gonzalez  |D Ramon  |u Instituto de Ciencias de la Vid y del Vino, ICVV, (CSIC-Universidad de La Rioja-Gobierno de La Rioja), Madre de Dios 51, 26006, Logroño, La Rioja, Spain  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Applied Microbiology and Biotechnology  |d Springer Berlin Heidelberg  |g 99/3(2015-02-01), 1273-1286  |x 0175-7598  |q 99:3<1273  |1 2015  |2 99  |o 253