Studies on Marine Microbial Ecology

A special issue of Journal of Marine Science and Engineering (ISSN 2077-1312). This special issue belongs to the section "Marine Ecology".

Deadline for manuscript submissions: closed (25 June 2024) | Viewed by 2323

Special Issue Editors


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Guest Editor
Korea Research Institute of Bioscience and Biotechnology, Yusong, Jeongeup-si, Republic of Korea
Interests: fungal genetics; microbial diversity; fungal ecology
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Special Issue Information

Dear Colleagues,

Marine microorganisms originate from the marine environment and exhibit remarkable survival capabilities, persisting and reproducing over extended durations within extreme conditions such as low temperatures, high pressures, elevated temperatures, and high salinity. This category encompasses various microorganisms, including eukaryotic organisms like fungi, algae, and protozoa, as well as prokaryotic entities like marine bacteria, marine actinomycetes, and marine cyanobacteria. Additionally, cell-free agents such as viruses are also part of this marine microbial realm. Notably, microorganisms constitute a vital component of marine ecosystems, engaging in intricate interactions with marine surroundings. Investigating the interplay between marine microorganisms and the overall marine ecology holds immense potential for enhancing the diversity of marine life forms and safeguarding the marine ecosystem.

In light of these considerations, the primary objective of this Special Issue is to assemble contributions centered around the subsequent focal areas: the ecological evolution of novel marine microorganisms; the extent of marine microbial diversity; the intricate interrelationships binding the marine environment and microorganisms; and the dynamics of planktonic microorganisms.

Dr. Zhun Li
Dr. Mi-Kyung Lee
Guest Editors

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Keywords

  • novel marine microorganisms (marine bacteria, marine actinomycetes, and marine phytoplankton)
  • marine microbial ecology
  • marine pollution
  • microbial culture engineering
  • microbial diversity

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Published Papers (1 paper)

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Research

15 pages, 3157 KiB  
Article
The Discovery and Characterization of a Novel Microalgal Strain, Picochlorum sp. KCTC AG61293, with Potential for α-Linolenic Acid Production
by Sungmo Kang, Hyeon Ho Shin and Zhun Li
J. Mar. Sci. Eng. 2024, 12(2), 245; https://doi.org/10.3390/jmse12020245 - 30 Jan 2024
Cited by 1 | Viewed by 1559
Abstract
Microalgae are highly valued for their rapid biomass production and metabolite synthesis, as well as their abundance of beneficial compounds. They have a variety of applications, including serving as the primary ingredient in biofuels, functional foods, and cosmetics. The genus Picochlorum, which [...] Read more.
Microalgae are highly valued for their rapid biomass production and metabolite synthesis, as well as their abundance of beneficial compounds. They have a variety of applications, including serving as the primary ingredient in biofuels, functional foods, and cosmetics. The genus Picochlorum, which was established to represent the unique characteristics of “Nannochloris-like” algae, exhibits rapid growth and a high salt tolerance. The morphology, molecular phylogeny, and fatty acid composition of an unspecified Picochlorum strain KCTC AG61293 found in Korean coastal waters were investigated. The strain exhibited a unique cell morphology and reproduction type compared to other Picochlorum species, as determined using light microscopy, fluorescence microscopy, and field emission scanning electron microscopy (FE-SEM). The vegetative cells were elongated and cylindrical in shape, underwent binary fission, and possessed a parietal chloroplast. A molecular phylogenetic analysis using nuclear small subunit ribosomal RNA sequences showed that Picochlorum sp. (KCTC AG61293) belongs to the Picochlorum clade and is closely related to the genus Nannochloris. Compared to other reference species, Picochlorum sp. (KCTC AG61293) had higher levels of saturated fatty acids (SFAs) and alpha-linolenic acid (ALA). The increased levels of SFAs and ALA suggest that Picochlorum sp. (KCTC AG61293) may be a promising candidate for biofuel production and other industrial uses. Full article
(This article belongs to the Special Issue Studies on Marine Microbial Ecology)
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