| serratia ureilytica sp. nov., a novel urea-utilizing species. | a gram-negative, rod-shaped, urea-dissolving and non-spore-forming bacterium, designated strain niva 51(t), was isolated from water of the river torsa in hasimara, jalpaiguri district, west bengal, india. on the basis of 16s rrna gene sequence similarity, strain niva 51(t) was shown to belong to the gamma-proteobacteria and to be related to serratia marcescens subsp. sakuensis (98.35%) and s. marcescens subsp. marcescens (98.30%); however, strain niva 51(t) exhibited only 43.7% similarity to s. ... | 2005 | 16166724 |
| conversion of squid pen by serratia ureilytica for the production of enzymes and antioxidants. | two proteases (p1 and p2) and a chitinase (c1) were purified from the culture supernatant of serratia ureilytica tku013 with squid pen as the sole carbon/nitrogen source. the molecular masses of p1, p2 and c1 determined by sds-page were approximately 50 kda, 50 kda and 60 kda, respectively. the optimum ph, optimum temperature, ph stability, and thermal stability of p1, p2 and c1 were (ph 10, 40 degrees c, ph 7-11, and <50 degrees c), (ph 10, 40 degrees c, ph 8-11, and <40 degrees c) and (ph 6, 5 ... | 2009 | 18684616 |
| serratia nematodiphila sp. nov., associated symbiotically with the entomopathogenic nematode heterorhabditidoides chongmingensis (rhabditida: rhabditidae). | a novel red-pigmented, gram-negative, motile, fluorescent, rod-shaped strain, dz0503sbs1(t), with a single lateral flagellum, was isolated from the intestine of the nematode heterorhabditidoides chongmingensis. comparative 16s rrna gene sequence analysis indicated that the strain is a member of the genus serratia, sharing highest sequence similarities with serratia marcescens subsp. sakuensis jcm 11315(t) (99.8 %), s. marcescens subsp. marcescens dsm 30121(t) (99.5 %) and serratia ureilytica lmg ... | 2009 | 19578149 |
| isolation and identification of a novel antioxidant with antitumour activity from serratia ureilytica using squid pen as fermentation substrate. | the antioxidant activity of the culture supernatant of serratia ureilytica tku013 with squid pen as the sole carbon/nitrogen source was assessed by three methods, and the phenolic contents were assayed. the supernatant with the highest antioxidant activity was further purified by liquid-liquid partition, revealing the ethyl acetate extract exhibited the strongest antioxidant activity and the highest total phenolic content. eight fractions were retrieved from silica gel column chromatography of t ... | 2010 | 20922553 |
| 1-aminocyclopropane-1-carboxylic acid (acc) deaminase-containing rhizobacteria protect ocimum sanctum plants during waterlogging stress via reduced ethylene generation. | ocimum sanctum grown as rain-fed crop, is known to be poorly adapted to waterlogged conditions. many a times the crop suffers extreme damages because of anoxia and excessive ethylene generation due to waterlogging conditions present under heavy rain. the usefulness of 1-aminocyclopropane-1-carboxylic acid (acc) deaminase-containing plant growth promoting rhizobacteria was investigated under waterlogging stress. the comparison of herb yield and stress induced biochemical changes of waterlogged an ... | 2012 | 22846334 |
| bio-approach: ureolytic bacteria mediated synthesis of zno nanocrystals on cotton fabric and evaluation of their antibacterial properties. | zno nanoparticles (nps) synthesis on cotton fabric through the formation of biologically activated ammonia from urea broth in the presence of the ureolytic bacterial species serratia ureilytica (hm475278) has been described in the present contribution. the cotton fabric was immersed in biogenic zinc ammonium complex medium and subjected to heat treatment at an optimum temperature of 50 °c for different durations of time (30, 60, 90 min). the crystal growth of zno nanoparticles on cotton fabric w ... | 2014 | 24528753 |
| the main spoilage-related psychrotrophic bacteria in refrigerated raw milk. | refrigerated raw milk may contain psychrotrophic microorganisms that produce thermoresistant exoproteases and lipases, which may compromise the quality of processed fluid milk and dairy products during storage. the aim of this work was to quantify and identify the deteriorating psychrotrophic microbiota in brazilian refrigerated raw milk using genetic diversity analysis. the mean psychrotrophic count was 1.1 × 104 cfu/ml. of the total isolates, 47.8 and 29.8% showed deteriorating activity at 35° ... | 2018 | 29102138 |
| a novel compound with antioxidant activity produced by serratia ureilytica tku013. | the secondary metabolites from the cultured supernatant of serratia ureilytica tku013 with squid pen as the sole carbon/nitrogen source were isolated and ascertained the mechanism of biological activity. the etoac layer, which has high dpph scavenging activity, was applied to silica gel column chromatography with a gradient of ch(2)cl(2)/meoh solvent system, to yield a-h and meoh fractions. the dpph scavenging activity and cytotoxic activities against doay and hep-2 cell lines of these fractions ... | 2012 | 22897632 |