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Polysaccharides
Special Issues
Fungal and Yeast Cell Wall Polysaccharides—Bioactivities and Practical Applications
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Fungal and Yeast Cell Wall Polysaccharides—Bioactivities and Practical Applications

A special issue of Polysaccharides (ISSN 2673-4176).

Deadline for manuscript submissions: closed (31 March 2024) | Viewed by 3247

Special Issue Editors

Dr. Florin Oancea

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Guest Editor
1. Bioresources Department, Bioproducts Group, National Institute for Research and Development in Chemistry and Petrochemistry, ICECHIM, Bucharest, Romania
2. Biotechnologies Faculty, University of Agriculture and Veterinary Medicine, Bucharest, Romania
Interests: plant biostimulants; microbial and plant biosynthetized nanoparticles; nanocellulose; chitin/chitosan and nanochitin/nanochitosan; alginate; stimuli-responsive nanoformulations; multifunctional nanosystems; circular bioeconomy
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Philippe Michaud

E-Mail Website
Guest Editor
Institut Pascal, Université Clermont Auvergne, F-63000 Clermont-Ferrand, France
Interests: biochemistry; carbohydrate-acting enzymes; proteins; polysaccharides; bioprocesses; biosourced materials; biorefinery; biotechnology
Special Issues, Collections and Topics in MDPI journals
Dr. Diana Constantinescu-Aruxandei

E-Mail Website
Guest Editor
National Institute for Research & Development in Chemistry and Petrochemistry–ICECHIM, 060021 Bucharest, Romania
Interests: proteins; biopolymers; plant biostimulants; bio(nano)technology; green technologies; enzymology
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In recent decades, scientific articles and patents have revealed various bioactivities of polysaccharides derived from filamentous fungi and yeast cell walls, including antioxidant, anti-mutagen, anti-inflammatory, anti-tumoral, reduction of blood lipids (including cholesterol) due to reduced intestinal absorption, stimulation of the immune system, and elicitation of plant defence. Such bioactivities add to the existing practical applications of these polysaccharides as feed additives (prebiotics and mycotoxin adsorbents), food additives (emulsifying, thickening, gelling, cryoprotective, and/or encapsulation agents), and wine stabilization (including haze prevention in white wine).

Fungal and yeast cell wall polysaccharides can be recovered from food industry side streams (spent mushroom substrates, spent brewery yeasts, wine lees) or produced in significant quantities using well-known biosynthesis processes, e.g., bakery yeast production on molasses or solid-state fermentation for the production of mushrooms. The high added value of bioproducts made from yeast cell wall polysaccharides is a driver for the continuous development of research and innovation, leading to the practical exploitation of multiple functions of yeast cell wall polysaccharides.

This Special Issue welcomes research papers, reviews, opinion papers, and short communications covering various aspects of the bioactivities and practical applications of yeast cell wall polysaccharides.

Dr. Florin Oancea
Prof. Dr. Philippe Michaud
Dr. Diana Constantinescu-Aruxandei
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Polysaccharides is an international peer-reviewed open access quarterly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1000 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • preparation of fungal and yeast cell wall components
  • bioactivities of fungal and yeast cell wall polysaccharides
  • application of fungal and yeast cell wall as food additive
  • application of fungal and yeast cell wall as feed additive
  • fungal and yeast cell wall application for nutraceutics and cosmeceutics
  • fungal and yeast cell wall application for plant treatment
  • yeast cell wall as wine stabilizer

Published Papers (1 paper)

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Review

12 pages, 702 KiB  
Review
Production of the Polysaccharide Pullulan by Aureobasidium pullulans Cell Immobilization
by Thomas P. West
Polysaccharides 2022, 3(3), 544-555; https://doi.org/10.3390/polysaccharides3030032 - 09 Aug 2022
Cited by 5 | Viewed by 2429
Abstract
This review examines the immobilization of A. pullulans cells for production of the fungal polysaccharide pullulan. Pullulan is a water-soluble gum that exists structurally as a glucan consisting primarily of maltotriose units, which has a variety of food, non-food and biomedical applications. [...] Read more.
This review examines the immobilization of A. pullulans cells for production of the fungal polysaccharide pullulan. Pullulan is a water-soluble gum that exists structurally as a glucan consisting primarily of maltotriose units, which has a variety of food, non-food and biomedical applications. Cells can be immobilized by carrier-binding or entrapment techniques. The number of studies utilizing carrier-binding as a method to immobilize A. pullulans cells appears to outnumber the investigations using cell entrapment. A variety of solid supports, including polyurethane foam, sponge, diatomaceous earth, ion-exchanger, zeolite and plastic composite, have been employed to immobilize pullulan-producing A. pullulans cells. The most effective solid support that was used to adsorb the fungal cells was polyurethane foam which produced polysaccharide after 18 cycles of use. To entrap pullulan-producing fungal cells, agents such as polyurethane foam, polyvinyl alcohol, calcium alginate, agar, agarose, carrageenan and chitosan were investigated. Polysaccharide production by cells entrapped in polyurethane foam, polyvinyl alcohol or calcium alginate was highest and the immobilized cells could be reutilized for several cycles. It was shown that the pullulan content of the polysaccharide synthesized by cells entrapped in calcium alginate beads was low, which limits the method’s usefulness for pullulan production. Further, many of the entrapped fungal cells synthesized polysaccharide with a low pullulan content. It was concluded that carrier-binding techniques may be more effective than entrapment techniques for A. pullulans cell immobilization, since carrier-binding is less likely to affect the pullulan content of the polysaccharide being synthesized. Full article
(This article belongs to the Special Issue Fungal and Yeast Cell Wall Polysaccharides—Bioactivities and Practical Applications)
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