Enzymatic, antimicrobial, and leishmanicidal bioactivity of Gram-negative bacteria strains from the midgut of Lutzomyia evansi, an insect vector of leishmaniasis in Colombia
Publication date: Available online 18 September 2019Source: Biotechnology ReportsAuthor(s): Rafael J. Vivero, Gustavo Bedoya Mesa, Sara M. Robledo, Claudia Ximena Moreno Herrera, Gloria Cadavid-RestrepoAbstractKnowledge regarding new compounds, peptides, and/or secondary metabolites secreted by bacteria isolated from the intestine of phebotominae has the potential to control insect vectors and pathogens (viruses, bacteria, and parasites) transmitted by them. In this respect, twelve Gram-negative bacteria isolated from the intestine of Lutzomyia evansi were selected and screened for their enzymatic, antimicrobial, and leish...
Source: Biotechnology Reports - September 19, 2019 Category: Biotechnology Source Type: research
Endophytic Bacillus megaterium BM18-2 mutated for cadmium accumulation and improving plant growth in Hybrid Pennisetum
Publication date: Available online 12 September 2019Source: Biotechnology ReportsAuthor(s): Juanzi Wu, Nehal Kamal, Huanhuan Hao, Zhiwei Liu, Chen Qian, Yuhe Shao, Xiaoxian Zhong, Bin XuAbstractHybrid Pennisetum (Pennisetum americanum × P. purpureum Schumach L.) is considered as long, rapidly growing perennial C4 bunchgrasses and promising plant for heavy metals phytoremediation due to its high biomass productivity, high resistance to environmental stress, pests and diseases. Metal bioavailability level is the most important parameters to measure efficiency of phytoremediation. Recently, in order to improve metal accumula...
Source: Biotechnology Reports - September 13, 2019 Category: Biotechnology Source Type: research
Evaluation of Cytotoxicity, Biochemical Profile and Yield Components of Groundnut Plants Treated with Nano-Selenium
Publication date: Available online 12 September 2019Source: Biotechnology ReportsAuthor(s): Hebat-Allah A. Hussein, Osama M. Darwesh, Bahaa B. Mekki, Salwa M. El-HalloutyAbstractKnowledge about the risks of the nanoparticles application on the plant development and human health is still limited. Different concentrations of nano-selenium (0, 20 and 40 ppm) were applied to three different Egyptian groundnut (Arachis hypogaea l.) cultivars; (NC, Gregory and Giza 6) under sandy soil conditions at vegetative growth stage to investigate their effects on yield components, protein profile, fatty acids composition, total antioxid...
Source: Biotechnology Reports - September 13, 2019 Category: Biotechnology Source Type: research
Biocompatible synthesis of reduced graphene oxide from Euphorbia heterophylla (L.) and their in-vitro cytotoxicity against human cancer cell lines
Publication date: Available online 12 September 2019Source: Biotechnology ReportsAuthor(s): K. Lingaraju, H. Raja Naika, G. Nagaraju, H. NagabhushanaAbstractFacile and biocompatible synthesis of reduced graphene oxide from graphene oxide as a precursor and aqueous leaves extract of Euphorbia heterophylla (L.), act as a reducing /capping /stabilizing agent by green chemistry approaches. The obtained product was analyzed by Ultraviolet-Visible spectroscopy (UV-Vis), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), Raman spectroscopy and Scanning electron Microscopy (SEM). In addition to this, the sig...
Source: Biotechnology Reports - September 13, 2019 Category: Biotechnology Source Type: research
Effective production of succinic acid from coconut water (Cocos nucifera) by metabolically engineered Escherichia coli with overexpression of Bacillus subtilis pyruvate carboxylase
Publication date: Available online 12 September 2019Source: Biotechnology ReportsAuthor(s): Ayobami Matthew Olajuyin, Maohua Yang, Anders Thygesen, Jiangnan Tian, Tingzhen Mu, Jianmin XingAbstractSuccinic acid is an important acid which is used in medicine and pharmaceutical companies. Metabolically engineered Escherichia coli strain was used for the effective production of succinic acid using Cocos nucifera water, which contained 5.00 ± 0.02 g/L glucose, 6.10 ± 0.01 g /L fructose and 6.70 ± 0.02 g /L sucrose. Fermentation of C. nucifera water with E. coli M6PM produced a final concentration of 11.78â€...
Source: Biotechnology Reports - September 13, 2019 Category: Biotechnology Source Type: research
