Ruegeria haliotis sp. nov., Isolated from the Gut of the Abalone Haliotis rubra

Cao, Wen-Rui; Shang, Dan-Dan; Liu, Bang-Tao; Hu, Yi-Hao; Sun, Xun-Ke; Sun, Yuanyuan; Jiang, Mingyu; Du, Zong‐Jun

doi:10.1007/s00284-021-02450-8

Cited by 7 publications

(1 citation statement)

References 40 publications

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“…Most of the bacteria have been reported to be zoonotic pathogens and to cause infections in humans, with the exception of Oceanbacillus sp. and Ruegeria sp., suggesting a potential fish-to-human bacterial transmission ( Savini et al, 2009 ; Bandeira Junior et al, 2018 ; Terceti et al, 2019 ; Yin et al, 2019 ; Cao et al, 2021 ; Enosi Tuipulotu et al, 2021 ; Ribeiro et al, 2021 ; Al-Eqabi et al, 2022 ; Alzahrani et al, 2022 ; Choi and Choi, 2022 ; Ionescu et al, 2022 ). Among these known pathogens in marine fish, one unreported bacterial strain in the marine-cultured fish L. crocea was characterized and named K. kristinae_LC .…”

Section: Discussionmentioning

confidence: 99%

A new pathogenic isolate of Kocuria kristinae identified for the first time in the marine fish Larimichthys crocea

et al. 2023

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In recent years, new emerging pathogenic microorganisms have frequently appeared in animals, including marine fish, possibly due to climate change, anthropogenic activities, and even cross-species transmission of pathogenic microorganisms among animals or between animals and humans, which poses a serious issue for preventive medicine. In this study, a bacterium was clearly characterized among 64 isolates from the gills of diseased large yellow croaker Larimichthys crocea that were raised in marine aquaculture. This strain was identified as K. kristinae by biochemical tests with a VITEK 2.0 analysis system and 16S rRNA sequencing and named K. kristinae_LC. The potential genes that might encode virulence-factors were widely screened through sequence analysis of the whole genome of K. kristinae_LC. Many genes involved in the two-component system and drug-resistance were also annotated. In addition, 104 unique genes in K. kristinae_LC were identified by pan genome analysis with the genomes of this strain from five different origins (woodpecker, medical resource, environment, and marine sponge reef) and the analysis results demonstrated that their predicted functions might be associated with adaptation to living conditions such as higher salinity, complex marine biomes, and low temperature. A significant difference in genomic organization was found among the K. kristinae strains that might be related to their hosts living in different environments. The animal regression test for this new bacterial isolate was carried out using L. crocea, and the results showed that this bacterium could cause the death of L. crocea and that the fish mortality was dose-dependent within 5 days post infection, indicating the pathogenicity of K. kristinae_LC to marine fish. Since K. kristinae has been reported as a pathogen for humans and bovines, in our study, we revealed a new isolate of K. kristinae_LC from marine fish for the first time, suggesting the potentiality of cross-species transmission among animals or from marine animals to humans, from which we would gain insight to help in future public prevention strategies for new emerging pathogens.

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Section: Discussionmentioning

confidence: 99%

A new pathogenic isolate of Kocuria kristinae identified for the first time in the marine fish Larimichthys crocea

et al. 2023

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Valid publication of new names and new combinations effectively published outside the IJSEM

Oren

2021

International Journal of Systematic and Evolutionary Microbiology

377

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An Update on Novel Taxa and Revised Taxonomic Status of Bacteria (Including Members of the Phylum Planctomycetota ) Isolated from Aquatic Host Species Described in 2018 to 2021

et al. 2023

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Increased interest in farmed aquatic species, aquatic conservation measures, and microbial metabolic end-product utilization have translated into a need for awareness and recognition of novel microbial species and revisions to bacterial taxonomy. Because this need has largely been unmet, through a 4-year literature review, we present lists of novel and revised bacterial species (including members of the phylum Planctomycetota ) derived from aquatic hosts that can serve as a baseline for future biennial summaries of taxonomic revisions in this field.

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Ruegeria haliotis sp. nov., Isolated from the Gut of the Abalone Haliotis rubra

Cited by 7 publications

References 40 publications

A new pathogenic isolate of Kocuria kristinae identified for the first time in the marine fish Larimichthys crocea

A new pathogenic isolate of Kocuria kristinae identified for the first time in the marine fish Larimichthys crocea

Valid publication of new names and new combinations effectively published outside the IJSEM

An Update on Novel Taxa and Revised Taxonomic Status of Bacteria (Including Members of the Phylum Planctomycetota ) Isolated from Aquatic Host Species Described in 2018 to 2021

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