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Fermentation, Volume 9, Issue 8

August 2023 - 82 articles

Cover Story: Baker’s yeast stands as an extensively characterized and versatile microorganism pivotal in biomanufacturing diverse specialty molecules, including enzymes, biofuels, chemicals and pharmaceuticals. Despite its genetic tractability, the evaluation of its sustained production prowess has remained understudied. Here, we introduced a fluorescent reporter gene on select genomic loci to monitor fluorescence levels across a span of over 100 generations. A clear decline in fluorescence over time was observed, yet what the underlying causes were warrants further investigation. Alongside this pioneering testament to the evolutionary dynamics of engineered yeast strains, we propose several new and strain-specific parameters to expedite microbial cell factory construction. View this paper
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Articles (82)

  • Review
  • Open Access
16 Citations
4,789 Views
34 Pages

This review paper provides an overview of various types of photobioreactors (PBRs) that could be used for the production of polyhydroxyalkanoates (PHAs) using anoxygenic photoheterotrophs, with a focus on the design and operation of these systems. Th...

  • Article
  • Open Access
8 Citations
2,173 Views
17 Pages

Effects of Different Cutting Stages and Additives on the Fermentation Quality and Microbial Community of Sudangrass (Sorghum sudanense Stapf.) Silages

  • Qiang Yu,
  • Mengxin Li,
  • Yu Zhang,
  • Jinyi Xu,
  • Ping Li,
  • Hong Sun,
  • Yixiao Xie,
  • Rui Dong,
  • Yulong Zheng and
  • Chao Chen

(1) Background: Previous studies have indicated that ferulic acid esterase (FAE), cellulase and xylanase have synergistic effects in lignocellulose degradation, and the cutting stage has a major impact on silages. Whether these additives affect the s...

  • Communication
  • Open Access
1 Citations
2,026 Views
9 Pages

Research on the Promotion of Sludge Anaerobic Fermentation with Sodium Citrate under Low Concentrations of Polyaluminum Chloride

  • Puli Zhu,
  • Yilin Wang,
  • Hui Bai,
  • Jing Feng,
  • Rui Zhang,
  • Duo Bu,
  • Zeng Dan,
  • Wei Li and
  • Xuebin Lu

Polyaluminum chloride (PAC) is used widely and increasingly in wastewater treatment plants, resulting in its inevitably high production in sludge. Previous studies have indicated that the production of short-chain fatty acids (SCFAs) is inhibited by...

  • Article
  • Open Access
4 Citations
3,079 Views
21 Pages

Co-Fermentation of Glucose–Xylose–Cellobiose–XOS Mixtures Using a Synthetic Consortium of Recombinant Saccharomyces cerevisiae Strains

  • Ning Yan,
  • Tao Luan,
  • Mengqi Yin,
  • Yaping Niu,
  • Longhao Wu,
  • Shuo Yang,
  • Zailu Li,
  • Hongxing Li,
  • Jianzhi Zhao and
  • Xiaoming Bao

The efficient conversion of cellulosic sugars is vital for the economically viable production of biofuels/biochemicals from lignocellulosic biomass hydrolysates. Based on comprehensive screening, Saccharomyces cerevisiae RC212 was chosen as the chass...

  • Article
  • Open Access
6 Citations
3,132 Views
16 Pages

Design and Construction of a New Reactor for Flexible Biomethanation of Hydrogen

  • Kevin Hoffstadt,
  • Dheeraja Cheenakula,
  • Marcell Nikolausz,
  • Simone Krafft,
  • Hauke Harms and
  • Isabel Kuperjans

The increasing share of renewable electricity in the grid drives the need for sufficient storage capacity. Especially for seasonal storage, power-to-gas can be a promising approach. Biologically produced methane from hydrogen produced from surplus el...

  • Article
  • Open Access
4 Citations
3,235 Views
18 Pages

Yeast assimilable nitrogen (YAN), besides the oenological parameters (sugar content, titratable acidity, and pH) in grape musts of sixteen native and international varieties of Vitis vinifera cultivated in six regions of Northern Greece, was assessed...

  • Article
  • Open Access
3 Citations
2,571 Views
18 Pages

Traditional Chinese strong-aroma baijiu (CSAB) fermentation technology has been used for thousands of years. Microbial communities that are enriched in continuous and uninterrupted fermentation pits (FPs) are important for fermentation. However, chan...

  • Article
  • Open Access
16 Citations
9,295 Views
14 Pages

Single-Cell Protein Production from Industrial Off-Gas through Acetate: Techno-Economic Analysis for a Coupled Fermentation Approach

  • Elodie Vlaeminck,
  • Evelien Uitterhaegen,
  • Koen Quataert,
  • Tom Delmulle,
  • Stoilas-Stylianos Kontovas,
  • Nikiforos Misailidis,
  • Rafael G. Ferreira,
  • Demetri Petrides,
  • Karel De Winter and
  • Wim K. Soetaert

Third-generation (3G) biorefineries harnessing industrial off-gases have received significant attention in the transition towards a sustainable circular economy. However, uncertainties surrounding their techno-economic feasibility are hampering wides...

  • Article
  • Open Access
10 Citations
2,705 Views
15 Pages

Polyphenol oxidase and its isoenzymes are crucial enzymes in the tea tree that catalyze the synthesis of theaflavins. In this study, tea tree polyphenol oxidase was used as the research object, and various protein sequence treatments, such as TrxA fu...

  • Article
  • Open Access
1,972 Views
18 Pages

This study evaluates the potential to synthesize an adsorbent for wastewater remediation applications from an anaerobic digestion by-product synthesized using biomaterials and a less energy-intensive process. The synthesized sludge-based granular act...

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Fermentation - ISSN 2311-5637