Evidence map›Paper›PMID 26927067›Full record

ReviewInternational journal of molecular sciences2016

Xylose Fermentation by Saccharomyces cerevisiae: Challenges and Prospects.

Danuza Nogueira Moysés, Viviane Castelo Branco Reis, João Ricardo Moreira de Almeida, Lidia Maria Pepe de Moraes, Fernando Araripe Gonçalves Torres

Abstract readReview
In one paragraph

Review in International journal of molecular sciences, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 80 papers.

0numbers the graph read from it
0cells of the map it votes in
80citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

80 citing papers in PubMed.

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  15. Frontiers in bioengineering and biotechnology · 2024
    Review
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20 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

Danuza Nogueira MoysésDepartamento de Biologia Celular, Universidade de Brasília, Brasília, DF 70910-900, Brazil. danuzamoyses@petrobras.com.br.
Viviane Castelo Branco ReisDepartamento de Biologia Celular, Universidade de Brasília, Brasília, DF 70910-900, Brazil. vireis@unb.br.
João Ricardo Moreira de AlmeidaEmbrapa Agroenergia, Laboratório de Genética e Biotecnologia, Parque Estação Biológica s/n, Av. W3 Norte, Brasília, DF 70770-901, Brazil. joao.almeida@embrapa.br.
Lidia Maria Pepe de MoraesDepartamento de Biologia Celular, Universidade de Brasília, Brasília, DF 70910-900, Brazil. lmoares@unb.br.
Fernando Araripe Gonçalves TorresDepartamento de Biologia Celular, Universidade de Brasília, Brasília, DF 70910-900, Brazil. ftorres@unb.br.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Many years have passed since the first genetically modified Saccharomyces cerevisiae strains capable of fermenting xylose were obtained with the promise of an environmentally sustainable solution for the conversion of the abundant lignocellulosic biomass to ethanol. Several challenges emerged from these first experiences, most of them related to solving redox imbalances, discovering new pathways for xylose utilization, modulation of the expression of genes of the non-oxidative pentose phosphate pathway, and reduction of xylitol formation. Strategies on evolutionary engineering were used to improve fermentation kinetics, but the resulting strains were still far from industrial application. Lignocellulosic hydrolysates proved to have different inhibitors derived from lignin and sugar degradation, along with significant amounts of acetic acid, intrinsically related with biomass deconstruction. This, associated with pH, temperature, high ethanol, and other stress fluctuations presented on large scale fermentations led the search for yeasts with more robust backgrounds, like industrial strains, as engineering targets. Some promising yeasts were obtained both from studies of stress tolerance genes and adaptation on hydrolysates. Since fermentation times on mixed-substrate hydrolysates were still not cost-effective, the more selective search for new or engineered sugar transporters for xylose are still the focus of many recent studies. These challenges, as well as under-appreciated process strategies, will be discussed in this review.

Indexed as

FermentationEthanolIndustrial MicrobiologySaccharomyces cerevisiaeXyloseEthanolXylosefermentationlignocellulosic ethanolSaccharomyces cerevisiaexylose

Identifiers

PMID26927067
PMCPMC4813126

What OpenQuestion holds

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.