‘Candidatus Mellornella promiscua’ n. gen. n. sp. (Alphaproteobacteria: Rickettsiales: Anaplasmataceae): An intracytoplasmic, hepatopancreatic, pathogen of the flatback mud crab, Eurypanopeus depressus

Bojko, Jamie; McCoy, Krista A.; Blakeslee, April M. H.

doi:10.1016/j.jip.2022.107737

Cited by 4 publications

(2 citation statements)

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“…Another bacterial family of note is Anaplasmataceae (Phylum Pseudomonadota , previously Proteobacteria ), which was the dominant taxa within one of our amphipod replicates. A genus within Anaplasmataceae , Wolbachia , contains species that act as reproductive parasites in arthropods (Werren et al, 2008 ) and can infect amphipods and isopods through horizontal transmission (Cordaux et al, 2001 ), as well as mud crabs (Bojko et al, 2022 ). BLASTn results of our Anaplasmataceae sequence shared 94.82% identity with a strain extracted from a mud crab, indicating a potential novel genus of the family found in our amphipod sample.…”

Section: Discussionmentioning

confidence: 99%

Distinct microbial communities in an ascidian–crustacean symbiosis

Hutchings,

López‐Legentil,

Stefaniak

et al. 2024

Environ Microbiol Rep

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Ascidians are marine invertebrates known to occasionally host symbiotic crustaceans. Although the microbiomes of both ascidians and free‐living crustaceans have been characterized, there is no documentation of microbial communities in an ascidian–crustacean symbiosis. Samples of the solitary ascidian Ascidia sydneiensis and ambient seawater were collected in Belize. Four symbiotic amphipod crustaceans were retrieved from the branchial sac of the animal, and their microbiomes were compared with those from their ascidian host (tunic and branchial sac compartments) and seawater. Microbiome richness and diversity differed significantly between sample types, with amphipod microbiomes exhibiting significantly lower diversity than tunic and ambient seawater samples. Microbiome composition also differed significantly between sample types and among all pairwise comparisons, except for branchial sac and amphipod microbiomes. Differential operational taxonomic unit (OTU) analyses revealed that only 3 out of 2553 OTUs had significantly different relative abundances in amphipods compared with ascidian branchial sacs, whereas 72 OTUs differed between amphipod and tunic and 315 between amphipod and seawater samples. Thus, different body compartments of A. sydneiensis hosted distinct microbiomes, and symbiotic amphipods contained microbiomes resembling the region they inhabit (i.e., the branchial sac), suggesting that environmental filtering and co‐evolutionary processes are determinants of microbiome composition within ascidian–crustacean symbioses.

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Section: Discussionmentioning

confidence: 99%

Distinct microbial communities in an ascidian–crustacean symbiosis

Hutchings,

López‐Legentil,

Stefaniak

et al. 2024

Environ Microbiol Rep

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“…Additionally, some Acidimicrobiia species are present in neutral or weakly alkaline soils, deserts and water bodies, where they are the dominant actinomycetes (Ren et al, 2022). Alphaproteobacteria is a class under the Proteobacteria, all of which are Gram-negative bacteria whose outer membranes are composed mainly of lipopolysaccharides (Bojko et al, 2022). Many species utilize flagellar motility, but there are some non-motile species, or rely on gliding to move.…”

Section: Microbiological Analysis Of Waste Slagmentioning

confidence: 99%

Synergistic mechanism of physical chemistry and acid bacteria: Product evolution of sulphides during tunnel mining

He,

Ren,

et al. 2024

Geological Journal

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Tunnel waste constitutes a prevalent by‐product of highway construction in high‐altitude mountainous and hilly regions. Sulphide minerals exhibit a unique distribution pattern within the alpine hills. Consequently, tunnel excavation can disrupt the stability of these sulphide minerals, rendering the tunnel waste susceptible to generating secondary environmental hazards during stockpiling. This research delves into the migration and transformation dynamics of potential environmental pollutants in tunnel waste through geoenvironmental simulation techniques. Controlled variables were employed to simulate various conditions, including surface illumination, internal anaerobiosis, water content and aerobic environments. The study's findings indicate that the presence of pyrite in the waste stream primarily drives the secondary contamination of the tunnel waste. Pyrite within the slag tends to react and form sulphuric acid in the stockpile environment, thus creating an acidic milieu that exacerbates the release of existing contaminants. The emergence of an anaerobic environment and a photocatalytic system composed of Fe/Ti substances in the waste stream serves to further accelerate pollutant release. This study thoroughly investigates the primary causes of environmental pollution during the stockpiling of tunnel slag and assesses the potential environmental impact scenarios. The outcomes of this research offer substantial theoretical and empirical support for the management of slag generated during the tunnel construction process.

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