Saccharedens versatilis gen. nov., sp. nov., a sugar-degrading member of the Burkholderiales isolated from Cephalotes rohweri ant guts

Lin, Jia; Hobson, William J.; Wertz, John T.

doi:10.1099/ijsem.0.001650

Cited by 10 publications

(2 citation statements)

References 32 publications

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“…Burkholderiales and Limnohabitans , which were enriched in the intestinal samples of U. unicinctus juveniles from the 2,000 U group, can also degrade sugar and organic matter (Horňák, Kasalický, Šimek, & Grossart, 2017; Lin, Hobson, & Wertz, 2016). However, the activities of intestinal digestive enzymes were significantly decreased as the stocking density increased from 1,000 U to 2,000 U. SOD, GSH‐PX and CAT are typical antioxidant enzymes responsible for protecting organisms from oxidative damage, through the elimination of excess reactive oxygen species (Homayounitabrizi, Asoodeh, & Soltani, 2017).…”

Section: Discussionmentioning

confidence: 99%

Effects of stocking density on the growth performance, physiological response and intestinal microbiota of juvenile Echiura worms ( Urechis unicinctus )

Chen

Zhang

et al. 2020

Aquac Res

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Aquaculture of the Echiura worm Urechis unicinctus has developed rapidly in recent years. However, the artificial cultivation technology remains to be perfected. In this study, the effects of stocking density on the growth performance, physiological responses and intestinal microbiota of U. unicinctus juveniles were evaluated. Juvenile worms were randomly stocked at densities of 200 U (U. unicinctus/m3), 500 U, 1,000 U and 2,000 U, in aquariums. The results indicated that the contents of triglycerides, glucose, total cholesterol, lactic acid, alkaline phosphatase, acid phosphatase and aspartate transaminase in the coelomic fluid of U. unicinctus juveniles were significantly enhanced with increasing stocking density. The digestive enzyme activities increased with increasing stocking density from 200 U to 1,000 U, before exhibiting a significant decrease in the 2,000 U group. In contrast, the antioxidant capacity of U. unicinctus juveniles was suppressed under high stocking density conditions. In case of the intestinal microbiota of U. unicinctus juveniles, Actinobacteria were more abundant in the 200 U group; SJA15, Gluconobacter and OP81 were higher in the 1,000 U group; Burkholderiales and Limnohabitans were enriched in the 2,000 U group. The highest and lowest survival rates of the U. unicinctus juveniles were recorded in the 500 U and 200 U groups respectively, and high stocking densities negatively affected the individual growth performance. In summary, due to the highest survival rate and appropriate growth performance and physiological responses, 500 U was considered to be the optimal stocking density for the cultivation of U. unicinctus juveniles.

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Section: Discussionmentioning

confidence: 99%

Effects of stocking density on the growth performance, physiological response and intestinal microbiota of juvenile Echiura worms ( Urechis unicinctus )

Chen

Zhang

et al. 2020

Aquac Res

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“…This includes, for instance, various clinical samples (e.g., Bordetella [3], Advenella [4]), a sample of marine algae ( Orrella marina (= Algicoccus marinus ) [5]), terrestrial plants (e.g. Orrella dioscoreae [6]) and ant guts ( Saccharedens [7]). The other type strains were obtained from samples lacking a clinical or host-associated context.…”

Section: Introductionmentioning

confidence: 99%

Zwartia hollandica gen. nov., sp. nov., Jezberella montanilacus gen. nov., sp. nov. and Sheuella amnicola gen. nov., comb. nov., representing the environmental GKS98 (betIII) cluster

Hahn

Pitt

Schmidt

et al. 2022

International Journal of Systematic and Evolutionary Microbiology

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We present two strains affiliated with the GKS98 cluster. This phylogenetically defined cluster is representing abundant, mainly uncultured freshwater bacteria, which were observed by many cultivation-independent studies on the diversity of bacteria in various freshwater lakes and streams. Bacteria affiliated with the GKS98 cluster were detected by cultivation-independent methods in freshwater systems located in Europe, Asia, Africa and the Americas. The two strains, LF4-65T (=CCUG 56422T=DSM 107630T) and MWH-P2sevCIIIbT (=CCUG 56420T=DSM 107629T), are aerobic chemoorganotrophs, both with genome sizes of 3.2 Mbp and G+C values of 52.4 and 51.0 mol%, respectively. Phylogenomic analyses based on concatenated amino acid sequences of 120 proteins suggest an affiliation of the two strains with the family Alcaligenaceae and revealed Orrella amnicola and Orrella marina (= Algicoccus marinus ) as being the closest related, previously described species. However, the calculated phylogenomic trees clearly suggest that the current genus Orrella represents a polyphyletic taxon. Based on the branching order in the phylogenomic trees, as well as the revealed phylogenetic distances and chemotaxonomic traits, we propose to establish the new genus Zwartia gen. nov. and the new species Z. hollandica sp. nov. to harbour strain LF4-65T and the new genus Jezberella gen. nov. and the new species J. montanilacus sp. nov. to harbour strain MWH-P2sevCIIIbT. Furthermore, we propose the reclassification of the species Orrella amnicola in the new genus Sheuella gen. nov. The new genera Zwartia, Jezberella and Sheuella together represent taxonomically the GKS98 cluster.

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Genetic Variation in Holobionts

Rosenberg

2021

Microbiomes

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Saccharedens versatilis gen. nov., sp. nov., a sugar-degrading member of the Burkholderiales isolated from Cephalotes rohweri ant guts

Cited by 10 publications

References 32 publications

Effects of stocking density on the growth performance, physiological response and intestinal microbiota of juvenile Echiura worms ( Urechis unicinctus )

Effects of stocking density on the growth performance, physiological response and intestinal microbiota of juvenile Echiura worms ( Urechis unicinctus )

Zwartia hollandica gen. nov., sp. nov., Jezberella montanilacus gen. nov., sp. nov. and Sheuella amnicola gen. nov., comb. nov., representing the environmental GKS98 (betIII) cluster

Genetic Variation in Holobionts

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