Exopolysaccharide produced by Enterobacter sp. YG4 reduces uranium induced nephrotoxicity

Nagaraj, Kakanahalli; Devasya, Rekha Punchapady; Bhagwath, Arun A.

doi:10.1016/j.ijbiomac.2015.11.020

Cited by 7 publications

(4 citation statements)

References 34 publications

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“…EPS from Enterobacter sp. YG4 isolated from the gut contents of the slug showed 25% hydroxyl radical scavenging ability and total antioxidant capacity in vitro at 32.5 µg VEAC/mL [ 39 ]. Antioxidant capacity of bacterial EPS might be attributed to its hydroxyl group and other functional groups in EPS, such as –COOH, C=O and –O–, which can donate electrons to reduce the radicals to a more stable form, or react with the free radicals to terminate the radical chain reaction [ 40 ].…”

Section: Resultsmentioning

confidence: 99%

Formation of Sulforaphane and Iberin Products from Thai Cabbage Fermented by Myrosinase-Positive Bacteria

et al. 2018

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Myrosinase-positive bacteria from local fermented foods and beverages in Thailand with the capacity to metabolize glucosinolate and produce isothiocyanates (ITCs) were isolated and used as selected strains for Thai cabbage fermentation. Enterobacter xiangfangensis 4A-2A3.1 (EX) from fermented fish and Enterococcus casseliflavus SB2X2 (EC) from fermented cabbage were the two highest ITC producers among seventeen strains identified by 16S rRNA technique. EC and EX were used to ferment Thai cabbage (Brassica oleracea L. var. capitata) containing glucoiberin, glucoraphanin and 4-hydroxyglucobrassicin at 430.5, 615.1 and 108.5 µmol/100 g DW, respectively for 3 days at 25 °C. Different amounts of iberin nitrile, iberin, sulforaphane and indole 3-acetonitrile were produced by spontaneous, EX- and EC-induced cabbage fermentations, and significantly higher ITCs were detected (p < 0.01) with increased antioxidant activities. Iberin and sulforaphane production in EX-induced treatment peaked on day 2 at 117.4 and 294.1 µmol/100 g DW, respectively, significantly higher than iberin at 51.7 µmol/100 g DW but not significantly higher than sulforaphane at 242.6 µmol/100 g DW in EC-induced treatment at day 2. Maximum health-promoting benefits from this functional food can be obtained from consumption of a liquid portion of the fermented cabbage with higher ITC level along with a solid portion.

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Section: Resultsmentioning

confidence: 99%

Formation of Sulforaphane and Iberin Products from Thai Cabbage Fermented by Myrosinase-Positive Bacteria

et al. 2018

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“…3 ), respectively. In addition, strain JH-7 T could produce EPS based on the aniline blue reaction incubated on LB agar in 3–7 days [ 9 ] (data not shown). This phenomenon is consistent with the cell image observed by TEM (Fig.…”

Section: Organism Informationmentioning

confidence: 99%

High-quality-draft genome sequence of the multiple heavy metal resistant bacterium Pseudaminobacter manganicus JH-7T

Xia

Zhou

et al. 2018

Stand in Genomic Sci

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Pseudaminobacter manganicus JH-7T (= KCTC 52258T = CCTCC AB 2016107T) is a Gram-staining-negative, aerobic and non-motile strain that was isolated from a manganese mine. The strain JH-7T shows multiple heavy metal resistance and can effectively remove Mn2+ and Cd2+. In addition, it is able to produce exopolysaccharides (EPS), which may contribute to metal remove/adsorption. Thus, strain JH-7T shows a great potential in bioremediation of heavy metal-contaminated environment. In this study, we report the draft genomic sequence of P. manganicus JH-7T and compare it to related genomes. Strain JH-7T has a 4,842,937 bp genome size with a G + C content of 61.2%, containing 4504 protein-coding genes and 71 RNA genes. A large number of putative genes associated with heavy metal resistance and EPS synthesis are found in the genome.Electronic supplementary materialThe online version of this article (10.1186/s40793-018-0330-2) contains supplementary material, which is available to authorized users.

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“…It can use glucose, mannose, L-arabinose, maltose, melibiose, rhamnose and glycogen as the sole carbon sources [ 5 ]. Strain TBZ30 T can produce EPS testing by aniline blue staining method [ 9 ] (Fig. 3 ).…”

Section: Introductionmentioning

confidence: 99%

“… EPS detection using the aniline blue staining method [ 9 ]. a , b and c strain TBZ30 T , positive control Mucilaginibacter litoreus BR-18 T and negative control Nocardioides albus KCTC 9186 T cultivated in LB plates, respectively; ( d , e and f ) the above three strains cultivated in LB-aniline blue plates, respectively …”

Section: Introductionmentioning

confidence: 99%

High-quality-draft genome sequence of the heavy metal resistant and exopolysaccharides producing bacterium Mucilaginibacter pedocola TBZ30T

Fan

Tang

Nie

et al. 2018

Environmental Microbiome

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Mucilaginibacter pedocola TBZ30T (= CCTCC AB 2015301T = KCTC 42833T) is a Gram- negative, rod-shaped, non-motile and non-spore-forming bacterium isolated from a heavy metal contaminated paddy field. It shows resistance to multiple heavy metals and can adsorb/remove Zn2+ and Cd2+ during cultivation. In addition, strain TBZ30T produces exopolysaccharides (EPS). These features make it a great potential to bioremediate heavy metal contamination and biotechnical application. Here we describe the genome sequence and annotation of strain TBZ30T. The genome size is 7,035,113 bp, contains 3132 protein-coding genes (2736 with predicted functions), 50 tRNA encoding genes and 14 rRNA encoding genes. Putative heavy metal resistant genes and EPS associated genes are found in the genome.

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Exopolysaccharide produced by Enterobacter sp. YG4 reduces uranium induced nephrotoxicity

Cited by 7 publications

References 34 publications

Formation of Sulforaphane and Iberin Products from Thai Cabbage Fermented by Myrosinase-Positive Bacteria

Formation of Sulforaphane and Iberin Products from Thai Cabbage Fermented by Myrosinase-Positive Bacteria

High-quality-draft genome sequence of the multiple heavy metal resistant bacterium Pseudaminobacter manganicus JH-7T

High-quality-draft genome sequence of the heavy metal resistant and exopolysaccharides producing bacterium Mucilaginibacter pedocola TBZ30T

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