Production and characterization of rhamnolipids produced by Serratia rubidaea SNAU02 under solid-state fermentation and its application as biocontrol agent

Nalini, S.; Parthasarathi, R.

doi:10.1016/j.biortech.2014.09.051

Cited by 127 publications

(67 citation statements)

References 32 publications

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“…Biosurfactants produced by CG and LS strains, can be applied in enhanced oil recovery. Similar results were obtained by Nalini and Parthasarathi (2014).…”

Section: Discussionsupporting

confidence: 90%

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Characterization of Bacteria Isolation of Bacteria from Pinyon Rhizosphere, Producing Biosurfactants from Agro-Industrial Waste

Reyes-López¹,

González²,

González

et al. 2016

Polish Journal of Microbiology

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A b s t r a c tTwo hundred and fifty bacterial strains were isolated from pinyon rhizosphere and screened for biosurfactants production. Among them, six bacterial strains were selected for their potential to produce biosurfactants using two low cost wastes, crude glycerol and lactoserum, as raw material. Both wastes were useful for producing biosurfactants because of their high content in fat and carbohydrates. The six strains were identified by 16S rDNA with an identity percentage higher than 95%, three strains belonged to Enterobacter sp., Pseudomonas aeruginosa, Bacillus pumilus and Rhizobium sp. All strains assayed were able to grow and showed halos around the colonies as evidence of biosurfactants production on Cetyl Trimethyl Ammonium Bromide agar with crude glycerol and lactoserum as substrate. In a mineral salt liquid medium enriched with both wastes, the biosurfactants were produced and collected from free cell medium after 72 h incubation. The biosurfactants produced reduced the surface tension from 69 to 30 mN/m with an emulsification index of diesel at approximately 60%. The results suggest that biosurfactants produced by rhizosphere bacteria from pinyon have promising environmental applications. 184the lack of knowledge about the interaction between microbes and pinyon roots.Additionally, agro-industrial organic wastes has recently been used as substrate to cultivate BS due to its low cost and high availability (Cassidy and Hudak, 2001;Kitamoto et al., 2002; Abbasi et al., 2012;. It is well known that wastes from palm oil, canola oil, soybean, glycerol and buttermilk, may be used to achieve an increase in production of about ten times in the mass of BS produced higher than that obtained when the production media contain glucose as the carbon source (Makkar and Cameotra, 2002). For instance, Ron and Rosenberg (2001) and Abbasi et al. (2012) demonstrated that BS can be produced by P. aeruginosa through fruit wastes, waste vegetable oil and foodindustry wastes as the substrate. In this context, agroindustrial wastes generated in Chiapas are low cost raw material, renewable and abundant throughout the year, with a total generation of about 28-140 thousand tons per year. These wastes include crops and processing residues of corn, coffee, cocoa, mango, banana, oil palm and buttermilk (SAGARPA, 2007; Valdéz-Vázquez et al., 2010). Likewise, huge amounts of glycerol were generated from the biodiesel fuel production in Chiapas during a 5 years operation period and, because this crude glycerol is expensive to purify for use in other industries, it remains without any disposal method and becoming a significant environmental problem, but potentially valuable as substrate to produce BS.Hence, the isolation of bacteria strains from pinyon rhizosphere capable of biosurfactant production by using four agro-industrial wastes as substrate is of interest in commercial production. In the present study, the presence of potential biosurfactant producer bacteria was determined by the formation of a complex with CTAB w...

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“…Biosurfactants produced by CG and LS strains, can be applied in enhanced oil recovery. Similar results were obtained by Nalini and Parthasarathi (2014).…”

Section: Discussionsupporting

confidence: 90%

“…Biosurfactants produced by CG and LS strains, can be applied in enhanced oil recovery. Similar results were obtained by Nalini and Parthasarathi (2014).In this study, two hundred and fifty strains were isolated from the pinyon rhizosphere of plants collected in Chiapas. Six of them demonstrated potential biosurfactant production.…”

supporting

confidence: 85%

Characterization of Bacteria Isolation of Bacteria from Pinyon Rhizosphere, Producing Biosurfactants from Agro-Industrial Waste

Reyes-López¹,

González²,

González

et al. 2016

Polish Journal of Microbiology

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show abstract

“…An economical attempt to decrease the cost of rhamnolipid production is by using agro-industrial byproducts as carbon sources (Gudiña et al, 2015). There are several reports available in the literature evaluating the use of various agro-industrial wastes and by products as substrates for rhamnolipid production, these include olive mil waste (Ramírez et al, 2015), orange fruit peelings (George and Jayachandran, 2009) and mahua oil cake (Nalini and Parthasarathi, 2014).…”

Section: Introductionmentioning

confidence: 99%

Utilization of mango kernel oil for the rhamnolipid production by Pseudomonas aeruginosa DR1 towards its application as biocontrol agent

Reddy

Khan

Archana

et al. 2016

Bioresource Technology

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“…Many rhamnolipids at high purities have been found effective against plant pathogenic fungi viz. F. oxysporum, Collectotrichum gloeosporioides and Pythium aphanidermatum (Das et al, 2008;Nalini and Parthasarathi, 2014) and insect pests as well (Kim et al, 2011).…”

Section: Introductionmentioning

confidence: 99%

Characterization and antifungal properties of rhamnolipids produced by mangrove sediment bacterium Pseudomonas aeruginosa strain KVD-HM52

Deepika

Sridhar

Bramhachari

2015

Biocatalysis and Agricultural Biotechnology

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Production and characterization of rhamnolipids produced by Serratia rubidaea SNAU02 under solid-state fermentation and its application as biocontrol agent

Cited by 127 publications

References 32 publications

Characterization of Bacteria Isolation of Bacteria from Pinyon Rhizosphere, Producing Biosurfactants from Agro-Industrial Waste

Characterization of Bacteria Isolation of Bacteria from Pinyon Rhizosphere, Producing Biosurfactants from Agro-Industrial Waste

Utilization of mango kernel oil for the rhamnolipid production by Pseudomonas aeruginosa DR1 towards its application as biocontrol agent

Characterization and antifungal properties of rhamnolipids produced by mangrove sediment bacterium Pseudomonas aeruginosa strain KVD-HM52

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