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Relevant bibliographies by topics / Rhamnolipides (RLs)

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Academic literature on the topic 'Rhamnolipides (RLs)'

Author: Grafiati

Published: 5 October 2023

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Journal articles on the topic "Rhamnolipides (RLs)"

1

Chebbi, Alif, Massimiliano Tazzari, Cristiana Rizzi, et al. "Burkholderia thailandensis E264 as a promising safe rhamnolipids’ producer towards a sustainable valorization of grape marcs and olive mill pomace." Applied Microbiology and Biotechnology 105, no. 9 (2021): 3825–42. http://dx.doi.org/10.1007/s00253-021-11292-0.

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Abstract Within the circular economy framework, our study aims to assess the rhamnolipid production from winery and olive oil residues as low-cost carbon sources by nonpathogenic strains. After evaluating various agricultural residues from those two sectors, Burkholderia thailandensis E264 was found to use the raw soluble fraction of nonfermented (white) grape marcs (NF), as the sole carbon and energy source, and simultaneously, reducing the surface tension to around 35 mN/m. Interestingly, this strain showed a rhamnolipid production up to 1070 mg/L (13.37 mg/g of NF), with a higher purity, on

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2

Mishra, Alok K., Rikesh K. Dubey, Shivraj M. Yabaji, and Swati Jaiswal. "Evaluation of antimycobacterial rhamnolipid production from non-cytotoxic strains of Pseudomonas aeruginosa isolated from rhizospheric soil of medicinal plants." International Journal of Biological Research 4, no. 2 (2016): 112. http://dx.doi.org/10.14419/ijbr.v4i2.6429.

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Rhamnolipids (RLs) are the bacterial derived biosurfactants and known for a wide range of industrial and therapeutic applications. They exhibit potent anti-bacterial activity against various gram positive, gram negative and acid fast bacteria including Mycobacterium tuberculosis. Since, Pseudomonas is one of the largest known genuses containing a variety of rhamnolipid producing strains. Therefore, in this study, we selectively isolated the Pseudomonas aeruginosa strains from the rhizospheric soil of the Indian plants of medicinal value, e.g. Azadirachta Indica and Ficus spp., and evaluated th

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3

Yoshimura, Ingrid, Ana Maria Salazar-Bryam, Adriano Uemura de Faria, Lucas Prado Leite, Roberta Barros Lovaglio, and Jonas Contiero. "Guava Seed Oil: Potential Waste for the Rhamnolipids Production." Fermentation 8, no. 8 (2022): 379. http://dx.doi.org/10.3390/fermentation8080379.

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Guava is consumed in natura and is also of considerable importance to the food industry. The seeds and peel of this fruit are discarded, however, guava seeds yield oil (~13%) that can be used for the bioproducts synthesis. The use of a by-product as a carbon source is advantageous, as it reduces the environmental impact of possible harmful materials to nature, while adding value to products. In addition, the use of untested substrates can bring new yield and characterization results. Thus, this research sought to study rhamnolipids (RLs) production from guava seed oil, a by-product of the fruc

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4

Zhang, Haoran, Xiaorong Yu, Qing Li, et al. "Effects of Rhamnolipids on Growth Performance, Immune Function, and Cecal Microflora in Linnan Yellow Broilers Challenged with Lipopolysaccharides." Antibiotics 10, no. 8 (2021): 905. http://dx.doi.org/10.3390/antibiotics10080905.

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This present study aimed to investigate the effects of rhamnolipids (RLS) on the growth performance, intestinal morphology, immune function, short-chain fatty acid content, and microflora community in broiler chickens challenged with lipopolysaccharides (LPS). A total of 450 broiler chickens were randomly allocated into three groups: basal diet with no supplement (NCO), basal diet with bacitracin (ANT), and basal diet with rhamnolipids (RLS). After 56 d of feeding, 20 healthy broilers were selected from each group, with half being intraperitoneally injected with lipopolysaccharides (LPS) and t

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5

Semkova, Severina, Georgi Antov, Ivan Iliev, et al. "Rhamnolipid Biosurfactants—Possible Natural Anticancer Agents and Autophagy Inhibitors." Separations 8, no. 7 (2021): 92. http://dx.doi.org/10.3390/separations8070092.

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Background/Aim: A number of biologically active substances were proved as an alternative to conventional anticancer medicines. The aim of the study is in vitro investigation of the anticancer activity of mono- and di-Rhamnolipids (RL-1 and RL-2) against human breast cancer. Additionally, the combination with Cisplatin was analyzed. Materials and Methods: Breast cell lines (MCF-10A, MCF-7 and MDA-MB-231) were treated with RLs and in combination with Cisplatin. The viability was analyzed using MTT assay, and investigation of autophagy was performed via acridine orange staining. Results: In contr

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6

Sobri, Izuani Mohamad, Murni Halim, Oi-Ming Lai, et al. "Emulsification Characteristics of Rhamnolipids by Pseudomonas aeruginosa Using Coconut Oil as Carbon Source." Journal of Environmental Microbiology and Toxicology 6, no. 1 (2018): 7–12. http://dx.doi.org/10.54987/jemat.v6i1.400.

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Rhamnolipids (RLs) production using coconut oil as a carbon source by the bacterium P. aeruginosa is studied. This bacterium was grown in media containing 1% carbon source (glucose/ coconut oil). The RLs were characterized by emulsification index (E24), thermal stability and oil spreading test. Further RLs quantification was carried out by the orcinol assay with L-rhamnose as the standard. The result showed that the highest production of RLs occurred in the presence of both coconut oil and glucose at 96 h (2.51 g/L). A stable emulsification index (E24) was observed using diesel with a maximum

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7

Zahidullah, Zahidullah, Muhammad Faisal Siddiqui, Shamas Tabraiz, et al. "Targeting Microbial Biofouling by Controlling Biofilm Formation and Dispersal Using Rhamnolipids on RO Membrane." Membranes 12, no. 10 (2022): 928. http://dx.doi.org/10.3390/membranes12100928.

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Finding new biological ways to control biofouling of the membrane in reverse osmosis (RO) is an important substitute for synthetic chemicals in the water industry. Here, the study was focused on the antimicrobial, biofilm formation, and biofilm dispersal potential of rhamnolipids (RLs) (biosurfactants). The MTT assay was also carried out to evaluate the effect of RLs on biofilm viability. Biofilm was qualitatively and quantitatively assessed by crystal violet assay, light microscopy, fluorescence microscopy (bacterial biomass (µm2), surface coverage (%)), and extracellular polymeric substances

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8

Wasoh, Helmi, Sarinah Baharun, Murni Halim, Ahmad Firdaus Lajis, Arbakariya Ariff, and Oi-Ming Lai. "Production of rhamnolipids by locally isolated Pseudomonas aeruginosa using sunflower oil as carbon source." Bioremediation Science and Technology Research 5, no. 1 (2017): 1–6. http://dx.doi.org/10.54987/bstr.v5i1.350.

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Biosurfactants are surface active compounds and amphiphatic in nature which consist of hydrophilic head and hydrophobic tail accumulating at the interphase of two immiscible liquid with different polarity. A study was conducted to investigate the effectiveness of sunflower oil in the production of rhamnolipids (RLs) by locally isolated Pseudomonas aeruginosa in shake flask fermentation. In this process, four different fermentation treatments were done for seven days at 30Â°C and 180 rpm. Sampling was carried out in time intervals of 24 h followed by monitoring of cell growth and biosurfactants

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9

Giugliano, Rosa, Carmine Buonocore, Carla Zannella, et al. "Antiviral Activity of the Rhamnolipids Mixture from the Antarctic Bacterium Pseudomonas gessardii M15 against Herpes Simplex Viruses and Coronaviruses." Pharmaceutics 13, no. 12 (2021): 2121. http://dx.doi.org/10.3390/pharmaceutics13122121.

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Emerging and re-emerging viruses represent a serious threat to human health at a global level. In particular, enveloped viruses are one of the main causes of viral outbreaks, as recently demonstrated by SARS-CoV-2. An effective strategy to counteract these viruses could be to target the envelope by using surface-active compounds. Rhamnolipids (RLs) are microbial biosurfactants displaying a wide range of bioactivities, such as antibacterial, antifungal and antibiofilm, among others. Being of microbial origin, they are environmentally-friendly, biodegradable, and less toxic than synthetic surfac

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10

Sharma, Pushpinder, and Nivedita Sharma. "Microbial Biosurfactants-an Ecofriendly Boon to Industries for Green Revolution." Recent Patents on Biotechnology 14, no. 3 (2020): 169–83. http://dx.doi.org/10.2174/1872208313666191212094628.

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Biosurfactants have a biological origin, and are widely known as surface active agents. Different classes of biosurfactant have significant importance in both the biotechnological and microbiological arena. Pseudomonas aeruginosa, Bacillus subtilis and Candida sp. are important classes of microorganisms that are highly investigated for the production of rhamnolipids (RLs) biosurfactants. Rhamnolipids have unique surface activity and have gained interest in various industrial applications. Due to their high biodegradability, renewability and functionally maintenance at extreme conditions, micro

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