scholarly journals Presence of .BETA.-lactamase and penicillin acylase in a Pseudomonas sp. utilizing benzylpenicillin as a carbon source.

1981 ◽  
Vol 27 (6) ◽  
pp. 499-503 ◽  
Author(s):  
JÜRGEN JOHNSEN
Keyword(s):  
Carbon Source ◽  
Penicillin Acylase ◽  
Beta Lactamase ◽  
Pseudomonas Sp

scholarly journals Pandrug-resistant Pseudomonas sp. expresses New Delhi metallo-β-lactamase-1 and consumes ampicillin as sole carbon source

2020 ◽  
Author(s):  
Vivek Kumar Ranjan ◽  
Shriparna Mukherjee ◽  
Subarna Thakur ◽  
Krutika Gupta ◽  
Ranadhir Chakraborty
Keyword(s):  
Carbon Source ◽  
Sole Carbon Source ◽  
New Delhi ◽  
Pseudomonas Sp

A non-naturally-occurring P(3HB-co-3HAMCL) is produced by recombinant Pseudomonas sp. from an unrelated carbon source

2018 ◽  
Vol 114 ◽  
pp. 512-519 ◽  
Author(s):  
Lucas G. Cespedes ◽  
Rafael A.T.P.S. Nahat ◽  
Thatiane T. Mendonça ◽  
Rafaela R. Tavares ◽  
Edmar R. Oliveira-Filho ◽  
...  
Keyword(s):  
Carbon Source ◽  
Pseudomonas Sp ◽  
Naturally Occurring

Octopine and octopinic acid utilization in a nonfluorescent Pseudomonas sp.: enhancement by spontaneous mutation and lack of effect from curing of a plasmid

1987 ◽  
Vol 33 (6) ◽  
pp. 534-540 ◽  
Author(s):  
Rodolphe Boivin ◽  
Hélène Lebeuf ◽  
Patrice Dion
Keyword(s):  
Carbon Source ◽  
Nitrogen Source ◽  
Spontaneous Mutation ◽  
Pseudomonas Sp ◽  
Wild Type ◽  
Carbon And Nitrogen ◽  
Mutant Derivative ◽  
Alternative Carbon Source ◽  
Derivatives Of ◽  
Derivative Strain

An octopine-utilizing bacterium isolated from soil, named strain 92, was identified to the genus level as a nonfluorescent Pseudomonas. Utilization of octopine by strain 92 depended upon the presence of an alternative carbon source, while octopinic acid was not utilized. A mutant derivative, strain RB100, acquired simultaneously the capacity to utilize octopine as the sole carbon and nitrogen source and octopinic acid as the nitrogen source. The mutation rate was estimated to be about 10−8 per cell per generation. Both the wild type and mutant carried the 68.5-kilobase cryptic plasmid pDLB 1. When the plasmid present in strain RB100 was labelled with Tn5 and transferred to strain 92, the phenotype of the recipient was not modified with respect to octopine utilization, suggesting that this phenotype was not determined by pDLB1. This suggestion was confirmed by using unstable derivatives of pDLB1 to cure strain RB100 and showing that the cured strain was not affected in its capacity to utilize opines.

Response surface optimization for efficient dye removal by isolated strain Pseudomonas sp.

2012 ◽  
Vol 2 (3) ◽  
Author(s):  
Shanmugam Senthilkumar ◽  
Muthiah Perumalsamy ◽  
Harinarayan Prabhuy ◽  
Chiya AhmedBasha ◽  
Narayan Anantharaman
Keyword(s):  
Carbon Source ◽  
Nitrogen Source ◽  
Response Surface ◽  
Polynomial Regression ◽  
Process Variable ◽  
Experimental Results ◽  
Reactive Black 5 ◽  
Pseudomonas Sp ◽  
Response Surface Optimization ◽  
Predicted Values

AbstractResponse surface methodology (RSM) involving the central composite design (CCD) was employed to optimize three important process variables for the decolourization of synthetic dye solutions containing Remazol Turquoise Blue (RTB) and Reactive Black 5 (RB5) with isolated bacterial strain Pseudomonas sp. The interaction between three variables i.e. Initial concentration of dye, carbon source and nitrogen source were studied and modeled. According to the Analysis of variance (ANOVA) results the predicted results were found to be in good agreement with experimental results (R 2: 0.9726; Adj R 2: 0.9480 for RTB and R 2: 0.9789; Adj R 2: 0.9750 for RB5) which indicated excellent evaluation of experimental data from the second order polynomial regression model. Mathematical models were developed by the proposed system, for each process variable showed the effect of each factor and their interactions on biodecolourization process. The optimum concentrations of Dye, Carbon source, and Nitrogen source were found to be 20 mgL−1, 1.5 g/L and 1.5 g/L, respectively for RTB and RB5 to obtain maximum dye removing capacity. Predicted values were validated with experimental results, which indicated appropriateness of the employed model and the success of RSM.

scholarly journals Dynamics of sodium dodecyl sulfate utilization andantibiotic susceptibility of strain Pseudomonas sp. ATCC19151

2009 ◽  
Vol 61 (2) ◽  
pp. 159-164 ◽  
Author(s):  
B. Jovcic ◽  
Jelena Begovic ◽  
Jelena Lozo ◽  
L. Topisirovic ◽  
Milan Kojic
Keyword(s):  
Carbon Source ◽  
Sodium Dodecyl Sulfate ◽  
Sole Carbon Source ◽  
Minimal Medium ◽  
Sodium Dodecyl ◽  
Pseudomonas Sp ◽  
Gene Encoding ◽  
Dodecyl Sulfate ◽  
Minimal Media ◽  
Growth Ability

Pseudomonas sp. ATCC19151 harbors a gene encoding a putative alkylsulfatase (sdsA). Here we report a growth ability of this strain in minimal media containing 0.5, 0.75, and 1% sodium dodecyl sulfate as the sole carbon source. The most prominent growth was detected for the minimal medium with 0.5% SDS, so this concentration of SDS was used to monitor Pseudomonas sp. ATCC19151 SDS biodegradation dynamics. Bacterial growth coincided with the disappearance of SDS. Antibiotic susceptibility was tested as well. Pseudomonas sp. ATCC19151 was resistant to six out of nine tested antibiotics, including ampicillin, tetracycline, chloramphenicol, tobramycin, nalidixic acid, and gentamycin.

scholarly journals Characterization of Butachlor Degradation by A Molybdenum-Reducing and Aniline-degrading Pseudomonas sp.

2021 ◽  
Vol 9 (2) ◽  
pp. 8-12
Author(s):  
A.J. Sufyan ◽  
S. Ibrahim ◽  
A. Babandi ◽  
Hafeez Muhammad Yakasai
Keyword(s):  
Carbon Source ◽  
Sole Carbon Source ◽  
Maximum Growth ◽  
Culture Collection ◽  
Inoculum Size ◽  
Lag Phase ◽  
Pseudomonas Sp ◽  
Characterization Study ◽  
The Media ◽  
Dna Strand

Butachlor is a chloroacetanilide herbicide that is selective in action and commonly used for pre-emergence control of weeds. It is believed to have range of toxicity from acute to chronic and also can cause DNA strand breaks and chromosomal aberrations in humans. This study was aimed at characterizing the potential of previously isolated bacteria for butachlor degradation. The isolates from culture collection, labelled A-F were screened for butachlor degradation on Bushnell Hass agar media with butachlor as a sole carbon source. Isolate A (molybdenum-reducing and aniline-degrading Pseudomonas sp.) was observed to grow best and tolerated the highest concentration of butachlor supplemented in the media after 72 h of incubation at 37 ℃. Characterization study revealed that the Pseudomonas sp. can utilize and grow with butachlor at optimum pH between 6.0 - 6.5, temperature between 30 – 37 ℃ and can tolerate up to 600 mg/L butachlor concentration with increase in growth as inoculum size increases. Additionally, this bacterial strain shows no lag phase regardless of the concentration of the herbicide used and reach its maximum growth after 24 h of incubation. The ability of this isolate to tolerate and utilize butachlor as sole carbon source makes it suitable for future bioremediation of this toxicant.

Sign in / Sign up

Export Citation Format

Share Document