The effects of temperature, pH and incubation time on amylase, protease and cellulase activity by different species of Aspergillus in crude oil polluted soil sites in Nigeria were studied. Incubation period, Optimal pH values and temperatures for the enzymes produced by the diffe...
Open access
Research Article10.9734/bji/2021/v25i330140
This investigation focuses on molecular identification of antibiotic resistant bacteria isolated from petroleum producing vicinity using 16S rRNA sequencing based technique. The bacterial 16s rRNA gene sequences were amplified using polymerase chain reaction, sequenced, characte...
Open access
Research Article10.9734/bji/2021/v25i330139
Cellulase enzyme complex is comprised of three enzymes namely exo-glucanase, endo-glucanase and β-glucosidase which act synergistically to deconstruct cellulosic biomass in order to produce fermentable sugars. The enzymes are produced naturally by the living organisms such as bac...
Open access
Research Article10.9734/bji/2021/v25i330143
Timothy Tese, Kola Matthew Anigo, Alice Onyeche Jonah, Meshack Anthony Kugama, Tinok Andrew, Janet Larai Ibrahim, Raymond Arumona & William Denbon Genesis Chinten·Biotechnology Journal International·2021
Aims: The effect of pre and post-infection administration of zinc and selenium on Trypanosoma brucei brucei infection in wistar rats on some biochemical parameters were investigated. Study Design: The study was designed to evaluate the effect of pre and post infection administra...
Open access
Research Article10.9734/bji/2021/v25i230138
Aims: The basic precondition for apple breeding is the genetic diversity of varieties, which implies a large number of different, positive genes that enable adaptation to different weather conditions, resistance to new diseases and pests. One of the reliable sources of genetic di...
Open access
Research Article10.9734/bji/2021/v25i230137
Aims: To optimize effects of selected process parameters affecting yield of green synthesized silver nanoparticles and their antibacterial activity. Study Design: Study was designed with 3 factors Box Behnken Design (Minitab 17) and Response optimizer (Minitab 17) was used to det...
Open access
Research Article10.9734/bji/2021/v25i230136
Cassava mosaic virus is one of the major problems affecting cassava industry in India. Currently there are no effective strategy to completely protect cassava from cassava mosaic viruses. In order to attain cassava mosaic virus resistance RNAi vectors targeting the replicase gene...
Open access
Research Article10.9734/bji/2021/v25i230135
Background: The link between cervical lesions and human Papillomavirus (HPV) 16 and 18 is well established, but the magnitude of the risk of association and the importance of other high-risk hpv types is uncertain in Bayelsa state. Aims: The study was aimed at detecting and typin...
Open access
Research Article10.9734/bji/2021/v25i230134
Armand Kouassi Kanga, Djary Michel Koffi, Bernard Téhi Sea, Jaures Oscar Gbotognon & Lucien Patrice Kouamé·Biotechnology Journal International·2021
Polygalacturonases constitute the major part of pectinase preparations for many bioprocess purposes. Investigation on the digestive juice of snail Limicolaria flammea led to purification of two polygalacturonases named PG1 and PG2. Properties of these enzymes were examined to exp...
Open access
Research Article10.9734/bji/2021/v25i130133
Lucineide Teixeira Vieira, Márcia Pinheiro da Silva, José Dobles Dias dos Reis Júnior, Carlos Antônio Couto Lima & Anderson Oliveira Souza·Biotechnology Journal International·2021
The use of medicinal plants reflects the reality of a part of human history. The Brazilian population with limited access to public health programs led to the development and conservation of ethnobotanical knowledge-rich information regarding medicinal plants. However, popular wi...
Open access
Research Article10.9734/bji/2021/v25i130132
Aims: To evaluate the phytochemical constituents and antioxidant properties of two selected mushrooms in Ibadan, Nigeria. Study Design: An experimental and descriptive study was conducted using the fruit bodies of Ganoderma lucidum collected from the Botanical garden University o...
Open access
Research Article10.9734/bji/2021/v25i130131
Sludge samples were collected from a wastewater treatment plant in Nigeria for characterization and evaluation for agricultural applications. Conventional and Molecular techniques were adopted for the isolation and identification of indigenous microorganisms and resulting isolate...
Open access
Research Article10.9734/bji/2021/v25i130130
Aims: The objective of this work is to evaluate the effect of (aqueous (EAq) and methanolic (ME)) extracts of Thevetia peruviana on the in vitro development of Rigidoporus lignosus. Study Design: A synthetic fungicide (Onazol 100), two extracts at differents concentrations: C1 =...
Open access
Research Article10.9734/bji/2021/v25i130127
Carposina sasakii is one of the most important pests on the quality of stone and pome fruits. Investigation of a gene expression level in the species is hampered because of the gap of validated reference genes. The expression variation in the transcription levels of eight candida...
Open access
Research Article10.9734/bji/2020/v24i630124
The crops belonging to the family Leguminosae are the second to cereal crops of agricultural significance due to their high nutritional value. Soybean is native to East Asia and was originated in China while common bean is native to Central and Southern America originated in Peru...
Open access
Research Article10.9734/bji/2020/v24i630125