Novel and Conventional Isolation Techniques to Obtain Planctomycetes from Marine Environments

Bacteria from the distinctive phylum are well spread around the globe; they are capable of colonizing many habitats, including marine, freshwater, terrestrial, and even extreme habitats such as hydrothermal vents and hot springs. They can also be found living in association with other organisms, suc...

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Bibliographic Details
Published in:Microorganisms (Basel) 2021-10, Vol.9 (10), p.2078
Main Authors: Vitorino, Inês, Santos, José Diogo Neves, Godinho, Ofélia, Vicente, Francisca, Vasconcelos, Vítor, Lage, Olga Maria
Format: Article
Language:English
Subjects:
Adaptation
Adequacy
Algae
Antibiotics
Aquatic habitats
Bacteria
Biofilms
Cell division
Culture media
Culture techniques
ecology
Genomes
Germfree
Hot springs
Hydrothermal vents
iChip
invertebrates
Laboratories
macroalgae
Marine environment
Marine sediments
Planctomycetes
Planctomycetia
Pure culture
Seawater
Sediments
Species
Strains (organisms)
Vents
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Summary:Bacteria from the distinctive phylum are well spread around the globe; they are capable of colonizing many habitats, including marine, freshwater, terrestrial, and even extreme habitats such as hydrothermal vents and hot springs. They can also be found living in association with other organisms, such as macroalgae, plants, and invertebrates. While ubiquitous, only a small fraction of the known diversity includes axenic cultures. In this study, we aimed to apply conventional techniques to isolate, in diverse culture media, planctomycetes from two beaches of the Portuguese north-coast by using sediments, red, green, and brown macroalgae, the shell of the mussel , an anemone belonging to the species and seawater as sources. With this approach, thirty-seven isolates closely related to seven species from the families and (class ) were brought into pure culture. Moreover, we applied an iChip inspired in-situ culturing technique to successfully retrieve planctomycetes from marine sediments, which resulted in the isolation of three additional strains, two affiliated to the species and one to a putative novel . This work enlarges the number of isolated planctomycetal strains and shows the adequacy of a novel methodology for planctomycetes isolation.
ISSN:2076-2607
2076-2607
DOI:10.3390/microorganisms9102078