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Microorganisms
Special Issues
Plant-Algae-Microbe Interactions and Beyond: Never Alone, Always Together
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Plant-Algae-Microbe Interactions and Beyond: Never Alone, Always Together

A special issue of Microorganisms (ISSN 2076-2607). This special issue belongs to the section "Microbial Biotechnology".

Deadline for manuscript submissions: closed (15 April 2025) | Viewed by 356

Special Issue Editor

Dr. Olga Blifernez-Klassen

E-Mail Website
Guest Editor
Algae Biotechnology and Bioenergy, Faculty of Biology, Center for Biotechnology (CeBiTec), Bielefeld University, Universitätsstrasse 27, 33615 Bielefeld, Germany
Interests: algae; microalgae; plant–algae–microbe interactions; biotechnology

Special Issue Information

Dear Colleagues,

Bacteria occupy all major ecosystems and maintain an intensive relationship with the photosynthetic eukaryotes, developing into complex biomes such as the phycosphere and the phytosphere (including the phyllosphere, endosphere, and rhizosphere). Interactions between eukaryotes and bacteria range from cooperative to competitive, with the associated (micro)organisms influencing their hosts' development, growth, and health. The advent of culture-independent analytical Omics technologies enables multifaceted analyses in which different complex communities and consortia can be described at the phylogenetic level and functionally, leading to their successful application in, e.g., biotechnology, wastewater treatment, and soil remediation.

This Special Issue of Microorganisms aims to provide a scientific platform for scientists to perform fundamental and applied research on natural and synthetic plant (micro)algae–microbe communities and consortia and their arrangements, relationships, and interactions. This Special Issue will include original studies, reviews, communications, and method papers related to the (meta)genomics, (meta)transcriptomics, (meta)proteomics, and metabolomics, etc., on plant–microbe, (micro)algae–microbe as well as microbe–microbe interactions, ranging from beneficial to competing, from aquatic, terrestrial and synthetic ecosystems.

Dr. Olga Blifernez-Klassen
Guest Editor

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. Microorganisms is an international peer-reviewed open access monthly 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 2700 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

  • microorganisms
  • algae
  • microalgae
  • plant–algae–microbe interactions
  • biotechnology
  • wastewater/soil remediation
  • ecosystems

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Published Papers (1 paper)

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Research

10 pages, 1419 KiB  
Article
HABS-BLOCKS© Inhibited Microcystis and Planktothrix and Reduced Microcystin Concentrations in a Lake Water Mesocosm Study
by Cameron Gastaldo and Stephen Vesper
Microorganisms 2025, 13(5), 1074; https://doi.org/10.3390/microorganisms13051074 - 5 May 2025
Viewed by 148
Abstract
Toxins produced by cyanobacteria are a threat to drinking water and the aquatic ecosystem. Previously, we reported that adding glucose to lake water could reduce cyanobacterial populations. To target the glucose to the euphotic zone, floating HABS-BLOCKS© infused with glucose were created. On [...] Read more.
Toxins produced by cyanobacteria are a threat to drinking water and the aquatic ecosystem. Previously, we reported that adding glucose to lake water could reduce cyanobacterial populations. To target the glucose to the euphotic zone, floating HABS-BLOCKS© infused with glucose were created. On 12 June 2024, 24 L of bloom lake water was collected, and then 6 L was aliquoted into each of four 7 L mesocosms. Two HABS-BLOCKS© were added to each of two replicate treatment mesocosms, while two “Dummy” HABS-BLOCKS© (same but without glucose) were added to each of two control mesocosms. Cyanobacteria cell densities and microcystin concentrations were measured weekly. Total nitrogen and phosphorus and other water quality variables including dissolved oxygen, specific conductivity, and turbidity were measured at the end of the six-week experiment. Initially, Microcystis was measured at 2.4 × 103 cells/mL and Planktothrix at 5.0 × 102 cells/mL. After 6 weeks, both the Microcystis and Planktothrix population were significantly lower in the treated mesocosms compared to the controls. The initial microcystin concentration averaged 10.4 µg/L. By the third week of the experiment, the microcystin concentration was about 70% lower in the treated mesocosms. Total nitrogen was also lower in the HABS-BLOCKS©-treated mesocosm, but the other water quality measures were similar between the control and treated mesocosms. HABS-BLOCKS© appeared to reduce cyanobacterial cell densities, lower toxin concentrations, and lower total nitrogen while not having negative impacts on other water quality measures. Although much remains to be learned, this technology may someday be useful in suppressing HABS. Full article
(This article belongs to the Special Issue Plant-Algae-Microbe Interactions and Beyond: Never Alone, Always Together)
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