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Baryshnikova, L. M.; Grishchenkov, V. G.; Arinbasarov, M. U.; Shkidchenko, A N; Boronin, L. M.

doi:10.1023/a:1010285705353

Cited by 11 publications

(2 citation statements)

References 3 publications

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“…Both cultures are active destructors of oil pollutions and often iso lated together from natural habitats [15]. The cell number in the mixed culture of these bacteria in a hexadecane containing medium in the stationary phase was higher by an order of magnitude and reached its maximum a week earlier compared to the respective monocultures.…”

Section: Resultsmentioning

confidence: 99%

“…A phase of fast (days 7-11) and then slower (days[11][12][13][14][15][16][17][18][19][20][21] cell death occurred because of cell lysis of presumably the R dissociant, since the percentage of slowly grow Growth dynamics and population composition of the mixed culture of P. aeruginosa (S+M) dissociants dur ing long term cultivation.1, the optical density of the cul ture (OD × 100); 2, the share of M dissociant in the pop ulation, %; 3, pH of the medium; 4, glucose content, mg%. ing M cells gradually increased from days 7 to 21.…”

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The process of bacterial population splitting into dissociants and long-term batch cultivation of bacteria

Милько

2014

Appl Biochem Microbiol

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The growth and composition of a population were studied during long term (up to 50 days) batch cultivation of mono and mixed cultures of Pseudomonas aeruginosa S and M dissociants and Rhodobacter sphaeroides R and M dissociants without the addition of nutrients. During the cultivation of P. aeruginosa on a glucose containing mineral medium, periodic lysis followed by polyculture growth resumption in the late stationary phase occurred on account of the M dissociant: the change in its cell number corresponded to the change in the total cell number of the association. It was shown that the periodic occurrence of reducing sugars in the medium preceded the resumption of polyculture growth. Periodic secondary growth of the mixed culture of R. sphaeroides photosynthesizing bacteria occurred because of fast growing R cells after the lysis of some part of the R dissociant population. In the monoculture of the R. sphaeroides M dissociant, R cells were found during the whole period of cultivation, making up to 1-10% of the population irrespective of its size, which probably corresponded to the frequency of occurrence of this dissociant. In the R dissociant monoculture, M cells were found only after 26 days, and their number gradu ally decreased to half of population by the end of cultivation period. The joint growth of dissociants was character ized by the biomass increment and bacterial growth acceleration compared to monocultures, which is important for the fast development of new habitats under natural conditions. The cells of both bacterial species were lysed dur ing long term cultivation by exoproteinases secreted by the thin wall cells of M dissociants.

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Section: Resultsmentioning

confidence: 99%

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confidence: 99%

The process of bacterial population splitting into dissociants and long-term batch cultivation of bacteria

Милько

2014

Appl Biochem Microbiol

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Isolation of a novel strain of Planomicrobium chinense from diesel contaminated soil of tropical environment

Das

Tiwary

2013

J. Basic Microbiol.

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A novel bacterial strain (B6) degrading high concentration of diesel oil [up to 2.5% (v/v)] was isolated from a site contaminated with petroleum hydrocarbons in the state of Chhattisgarh, India. The strain demonstrated efficient degradation for diesel oil range alkanes (C14 to C36 i.e., mostly linear chain alkanes). It was identified to be 99% similar to Planomicrobium chinense on the basis of partial 16S rRNA gene sequencing and biochemical characteristics. The efficiency of degradation was optimized at pH 7.2 and temperature at 32 °C. GC analysis demonstrated complete mineralization of higher chain alkanes into lower chain alkanes within 96 h. The organism also displayed surface tension reduction by producing stable emulsification on the onset of stationary phase. A multidimensional characteristics of the strain to grow at a high temperature range, resistance to various heavy metals as well as tolerance to moderate concentration of NaCl makes it suitable for bioremediation of soil contaminated with diesel oil in tropical environment.

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Microbial Bioremediation of Petroleum Hydrocarbon: An Overview

Borah

2018

Microbial Action on Hydrocarbons

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Cited by 11 publications

References 3 publications

The process of bacterial population splitting into dissociants and long-term batch cultivation of bacteria

The process of bacterial population splitting into dissociants and long-term batch cultivation of bacteria

Isolation of a novel strain of Planomicrobium chinense from diesel contaminated soil of tropical environment

Microbial Bioremediation of Petroleum Hydrocarbon: An Overview

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