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    Wyświetlanie 1-4 z 4
    Tytuł:
    Antimicrobial activities and phylogenetic study of Erythrina senegalensis DC (Fabaceae) seed lectin
    Autorzy:
    Enoma, Samuel
    Adewole, Taiwo S.
    Agunbiade, Titilayo O.
    Kuku, Adenike
    Powiązania:
    https://bibliotekanauki.pl/articles/16672367.pdf
    Data publikacji:
    2023
    Wydawca:
    Polska Akademia Nauk. Czasopisma i Monografie PAN
    Tematy:
    antimicrobial
    Erythrina senegalensis
    lectin
    phylogenetic analysis
    polymerase chain reaction
    Opis:
    Erythrina senegalensis (Fabaceae) have been traditionally used in the treatment of microbial ailments, and the specific agent mediating its efficacy has been investigated in several studies. In this study, the antimicrobial activity of purified E. senegalensis lectin (ESL) was analyzed. The phylogenetic relationship of the gene encoding lectin with other legume lectins was also established to investigate their evolutionary relationship via comparative genomics. Antimicrobial activity of ESL against selected pathogenic bacteria and fungi isolates was evaluated by the agar well diffusion method, using fluconazole (1 mg/ml) and streptomycin (1 mg/ml) as positive controls for fungi and bacteria sensitivity, respectively. Potent antimicrobial activity of ESL against Erwinia carotovora, Pseudomonas aeruginosa, Klebsiella pneumonia, Staphylococcus aureus, Aspergillus niger, Penicillium camemberti, and Scopulariopsis brevicaulis was observed, with inhibition zones ranging from 18 to 24 mm. Minimum inhibitory concentrations of ESL ranged between 50 and 400 μg/ml. Primer-directed polymerase chain reaction of E. senegalensis genomic DNA detected a 465-bp lectin gene with an open reading frame encoding a 134-amino acid polypeptide. The obtained nucleotide sequence of the ESL gene shared high sequence homology: 100, 100, and 98.18% with Erythrina crista-galli, Erythrina corallodendron, and Erythrina variegata lectin genes, respectively, suggesting that the divergence of Erythrina lectins might follow species evolution. This study concluded that ESL could be used to develop lectin-based antimicrobials, which could find applications in the agricultural and health sectors.
    Źródło:
    BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2023, 104, 1; 21-32
    0860-7796
    Pojawia się w:
    BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Bioconversion of Waste Foolscap and Newspaper to Fermentable Sugar
    Autorzy:
    Ojewumi, Modupe E.
    Kolawole, Oluwatobi E.
    Oyekunle, Daniel T.
    Taiwo, Olugbenga S.
    Adeyemi, Alaba O.
    Powiązania:
    https://bibliotekanauki.pl/articles/123345.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    Serratia
    waste paper
    enzymatic hydrolysis
    fermentable sugars
    microorganisms
    Opis:
    The aim of this project work was to evaluate the effect of bacteria – Serratia in the enzymatic hydrolysis of Foolscap [FS] and Newspaper [NP] into fermentable or reducing sugars. The effect of temperature and hydrolysis time (number of days) on the extent of concentration of reducing sugar yield were assessed and quantified using Dinitrosalicylic acid test method (DNS). A proximate analysis was carried out on the substrate before hydrolysis. Alkaline pre-treatment using sodium hydroxide and deinking process for the removal of paper with ink for higher susceptibility of the substrate before the enzymatic hydrolysis were carried out. The temperature effect on the waste sample were analysed at 37°C, 40°C and 45°C for 7 days, it was observed that at 37°C, saccharification was higher than at 40°C and 45°C. The general observation was in that Serratia had a very good effect on the waste paper samples. A 3-D surface plot revealed that the yield of sugar increased along with the hydrolysis time (number of days), with Foolscap having the highest yield of about 21mg/ml. The comparative analysis shows that the highest yield was obtained at the temperature of 37°C, for both substrates used.
    Źródło:
    Journal of Ecological Engineering; 2019, 20, 4; 35-41
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effectiveness of electrical stimulation and low-intensity laser therapy on diabetic neuropathy: A systematic review
    Autorzy:
    Adehunoluwa, Emmanuel A.
    Adesina, Miracle A.
    Adeulure, Taiwo G.
    Akinfolarin, Yemi T.
    Babatunde, Kazeem O.
    Efunniyi, Adenike O.
    Mamud, Olusola S.
    Oyejola, Oluwatimilehin G.
    Tiamiyu, Oluwaleke M.
    Olajire, Tolulope I.
    Powiązania:
    https://bibliotekanauki.pl/articles/1077040.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Diabetes mellitus
    diabetic neuropathy
    electric stimulation
    laser therapy
    Opis:
    Diabetes mellitus (DM) is a group of metabolic diseases which typically presents with frequent urination, increased thirst and increased hunger. DM be classified into three main types: type I (insulin-dependent DM), type-II (non-insulin dependent DM) and type III (gestational DM). Diabetes is a group of diseases of global health significance as 382 million people worldwide had diabetes in the year 2013 and this was projected to increase to an estimated 415 million in 2015. Damage to the nerves of the body (diabetic neuropathy) is the most common complication of diabetes. The signs and symptoms of diabetic neuropathy include numbness, diminished sensation, pain etc. Various types of electrotherapy, such as transcutaneous electrical nerve stimulation (TENS), pulsed-dose electrical stimulation, frequency-modulated electromagnetic neural stimulation, have been reported effective in managing diabetic neuropathy. This study is a systematic review of the evidence to enable the determination of the effectiveness of electrical stimulation and low-intensity laser therapy (LILT), and also aid their recommendation if proven to be effective. The outcome of this study was that TENS and other forms of electrical stimulation reviewed in this study may be effective and safe non-pharmacological treatment modalities in relieving the symptoms associated with diabetic neuropathy. The effectiveness of LILT couldn’t be determined due to the different parameters used to evaluate patients’ outcome and limited number of studies. Authors recommend that further randomized controlled trials with similar methodological parameters and studies with higher quality of evidences are needed to establish the true effectiveness of these modalities in diabetic neuropathy.
    Źródło:
    World News of Natural Sciences; 2019, 23; 110-127
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A Bioremediation Study of Raw and Treated Crude Petroleum Oil Polluted Soil with Aspergillus niger and Pseudomonas aeruginosa
    Autorzy:
    Ojewumi, M. E.
    Anenih, E. V.
    Taiwo, O. S.
    Adekeye, B. T.
    Awolu, O. O.
    Ojewumi, E. O.
    Powiązania:
    https://bibliotekanauki.pl/articles/124955.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    bioremediation
    Aspergillus niger
    Pseudomonas aeruginosa
    pollution
    Opis:
    This study was conducted to investigate the degree of bioremediation that would occur in the samples of soil polluted with raw and treated crude petroleum (oil) with the aid of Aspergillus niger (fungi) and Pseudomonas aeruginosa (bacteria). This was achieved by monitoring the Organic carbon content in the soil over 45 days and pH over 25 days. Four systems of 500 g soil were polluted with 40 g treated crude petroleum, while four systems were contaminated with 40 g raw crude petroleum. The eight systems were labeled accordingly. Two systems for raw crude control and treated crude control (RCC and TCC) were left as control, two systems for raw crude Aspergillus niger and treated crude Aspergillus niger (RCA and TCA) were treated with Aspergillus niger only, two systems for raw crude Pseudomonas aeruginosa and treated crude Pseudomonas aeruginosa (RCP and TCP) were treated with Pseudomonas aeruginosa only and the last two systems for raw crude Aspergillus niger and Pseudomonas aeruginosa (RCAP and TCAP) were treated with both Pseudomonas aeruginosa and Aspergillus niger. At the end of the bioremediation period, the results obtained showed that the pH was not particularly a solid parameter to estimate the degree of bioremediation. This is because a proper trend in the results obtained could not be determined. Additionally, it was observed that Aspergillus niger (fungi) and Pseudomonas aeruginosa (bacteria) alone and separate remediate raw crude polluted soil better than treated crude polluted soil. This was determined by the TOC (Total Organic Carbon) values on the 45th day of the experiment.
    Źródło:
    Journal of Ecological Engineering; 2018, 19, 2; 226-235
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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