Microbial Food Webs

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

Deadline for manuscript submissions: 30 April 2025 | Viewed by 1199

Special Issue Editor


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Guest Editor
CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
Interests: marine biology; planktonic ecology; microzooplankton; microbial food web

Special Issue Information

Dear Colleagues,

A microbial food web is an integrative component of the ecosystems in both pelagic and benthic zones, including both marine and freshwater habitats. Organisms that constitute the microbial food web include grazers such as ciliates and flagellates, small autotrophic protists and autotrophic and heterotrophic prokaryotes. In recent years, due to the development of observing technology and omics, knowledge of microbial food webs is exploding. In this Special Issue on microbial food webs, we encourage the submission of manuscripts in the scope of taxonomy, abundance and comparative studies of these organisms. Experimental work, field investigations and modelling studies are equally welcome. Insights about the influence of the global changes are especially valued. If possible, some efforts of alleviating global warming using microbial food webs will be discussed in this Special Issue. New technologies in microbial food web research could be introduced.

Dr. Wuchang Zhang
Guest Editor

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Keywords

  • microbial food web
  • ciliates
  • flagellates
  • prokaryote
  • taxonomy
  • ecology
  • global change

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Published Papers (1 paper)

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Research

19 pages, 23704 KiB  
Article
Morphology and Molecular Phylogeny of Four Anaerobic Ciliates (Protista, Ciliophora, Armophorea), with Report of a New Species and a Unique Arrangement Pattern of Dikinetids in Family Metopidae
by Song Li, Wenbao Zhuang, Xiaochen Feng, Alan Warren and Jun Gong
Microorganisms 2025, 13(2), 240; https://doi.org/10.3390/microorganisms13020240 - 23 Jan 2025
Cited by 1 | Viewed by 976
Abstract
The diversity of anaerobic ciliates is greatly underestimated owing to the limitation in sampling and cultivation when compared with their aerobic counterparts. In this study, four anaerobic ciliates, viz. Brachonella abnormalis sp. nov., Brachonella contorta (Levander, 1894) Jankowski, 1964, Metopus contortus (Quennerstedt, 1867) [...] Read more.
The diversity of anaerobic ciliates is greatly underestimated owing to the limitation in sampling and cultivation when compared with their aerobic counterparts. In this study, four anaerobic ciliates, viz. Brachonella abnormalis sp. nov., Brachonella contorta (Levander, 1894) Jankowski, 1964, Metopus contortus (Quennerstedt, 1867) Kahl, 1932, and Metopus major Kahl, 1932, were investigated by live observation, protargol staining and 18S rRNA gene sequencing. B. abnormalis sp. nov. can be separated from its congeners by a combination of the following features: bullet-shaped cell with a life size of about 130–190 × 90–120 μm, dikinetids distributed along dorsal dome kineties, highly developed adoral zone comprised of 87–107 polykinetids, making about 450° spiralization around the long axis. The present work demonstrates that two known species, M. contortus and M. major, have a special trait never previously reported, viz. short, regularly arranged preoral dome dikinetids. Species with short, regularly arranged dome dikinetids appear in divergent clades in SSU rRNA gene trees, which may infer that this trait evolved several times. Phylogenetic analyses based on SSU rRNA gene sequence data also support the monophyly of the genus Brachonella and the paraphyly of the order Metopida, respectively. Full article
(This article belongs to the Special Issue Microbial Food Webs)
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