Skip to content

All published articles 911

Viability of Hydrocarbon-degrading Bacterial Consortium Immobilized on Different Carriers

Victor Ezebuiro, Ipeghan Jonathan Otaraku, Boma Oruwari & Gideon Chijioke Okpokwasili · Biotechnology Journal International · 2019

Aim: Viability of hydrocarbon-degrading bacterial consortium immobilized on different carriers was studied. Methodology: Hydrocarbon-degrading bacteria were isolated from crude oil contaminated sites in Gio and K-Dera, Rivers State, Nigeria using enrichment method. Proximate anal...

Open access Research Article 10.9734/bji/2019/v23i430084

Synthesis and Characterization of Silver Nanoparticles from Ethanolic Extracts of Leaves of Annona muricata: A Green Nanobiotechnology Approach

Yahaya Gavamukulya, Esther N. Maina, Fred Wamunyokoli, Amos M. Meroka, Edwin S. Madivoli, Hany A. El-Shemy & Gabriel Magoma · Biotechnology Journal International · 2019

Introduction: The biological green synthesis of nanoparticles via nanobiotechnology processes have a significant potential to boost nanoparticles production without the use of harsh, toxic, and expensive chemicals commonly used in conventional physical and chemical processes. Ann...

Open access Research Article 10.9734/bji/2019/v23i430083

Callus Induction and Synthetic Seed Development in Draceana sanderiana Sanderex Mast: Lucky Bamboo

Mohmad Amin & Abdul Mujeeb · Biotechnology Journal International · 2019

The study was carried out for callus induction and synthetic seed development from the shoot tips of Draceana sanderiana sander ex Mast. The shoot tips were subjected to different concentrations (0.25, 0.5 &1.0 mg/l) of 2,4-D on MS medium. The research findings revealed that...

Open access Research Article 10.9734/bji/2019/v23i330082

Evaluation of Antimicrobial Activities of Fractions of Plant Parts of Pterocarpus santalinoides

S. C. Emencheta, I. B. Enweani, A. N. Oli, U. M. Okezie & A. A. Attama · Biotechnology Journal International · 2019

Aims: The study aims to investigate the antimicrobial activities of the leaves, seeds, bark, and root of Pterocarpus santalinoides plant. Study Design: Agar well diffusion and Agar well dilution methods were used to test the preliminary antimicrobial and minimum inhibitory/bacter...

Open access Research Article 10.9734/bji/2019/v23i330081

Diversity and Phylogenetic Relationships of Full Genome Sequences of Cassava Brown Streak Viruses in Kenya

T. M. Kathurima & E. M. Ateka · Biotechnology Journal International · 2019

Cassava brown streak disease is caused by cassava brown streak virus (CBSV) and Uganda cassava brown streak virus (UCBSV). Many of the CBSV and UCBSV diversity studies utilize partial coat protein sequences due to the unavailability of representative full genome sequences. Hence,...

Open access Research Article 10.9734/bji/2019/v23i330080

Effect of Cultural Conditions on Biosurfactant Production by Candida sp. Isolated from the Sap of Elaeis guineensis

I. V. Nwaguma, C. B. Chikere & G. C. Okpokwasili · Biotechnology Journal International · 2019

Aims: This study is aimed at determining the effect of cultural condition on biosurfactant production by Candida sp. isolates from saps of Elaeis guineensis. Methodology: Chemical analysis of the sap was carried out. Yeast isolates from the sap were screened for biosurfactant pro...

Open access Research Article 10.9734/bji/2019/v23i330079

The Potential Use of Ectoine Produced by a Moderately Halophilic Bacteria Chromohalobacter salexigens KT989776 for Enhancing Germination and Primary Seedling of Flax “Linum usitatissimum L.” under Salinity Conditions

Tamer A. Elsakhawy, Nashwa, A. H. Fetyan & Azza A. Ghazi · Biotechnology Journal International · 2019

The similarity between plant and microbial cells encourage the use of microbial metabolites of halophilic bacteria for the alleviation of salt stress in plants. In the current research work, a compatible solute ectoine extracted from a moderately halophilic bacteria Chromohalobac...

Open access Research Article 10.9734/bji/2019/v23i330078

Effect of Process Variables on the Transesterification Process of Palm Oil Sludge to Biodiesel

O. A. Aworanti, A. O. Ajani, S. E. Agarry, K. A. Babatunde & O. D. Akinwunmi · Biotechnology Journal International · 2019

In this research work, the optimum process variables (catalyst, methanol to oil ratio and reaction time) for transesterification of palm oil sludge (POS) to biodiesel were studied. The transesterification process was carried by mixture of palm oil sludge, methanol and catalyst wi...

Open access Research Article 10.9734/bji/2019/v23i230076

Effect of Black Seed (Nigella sativa) and Uziza (Piper guineense) Leaf on the Histology of the Liver of Wistar Albino Rats

Okoye Ngozi Franca & Ikiriko, Favour Ibiwari · Biotechnology Journal International · 2019

Aim: This study was aimed at investigating the effects of aqueous extracts of both Nigella sativa and Piper guineense on the liver enzymes; alanine amino transferase (ALT), aspartate amino transferase (AST) and alkaline phosphatase (ALP). Also the effect of Nigella sativa and Pip...

Open access Research Article 10.9734/bji/2019/v23i230075

Screening and Identification of Lactic Acid Bacteria with D-tagatose Production Capability

Wen Li, Zhicheng Zhou, Jiaxiang Huang, Guoyan Zhang, Faisal N. Awad, Radhika Chandankere, Qi Guo & Xianghui Qi · Biotechnology Journal International · 2019

Aims: D-tagatose is a natural ketohexose which can be used as a functional sweetener in foods, diary and beverages products. Isolation of new bacterial strains having the ability to produce D-tagatose is a continuously trending topic of research. Study Design: Screening of strain...

Open access Research Article 10.9734/bji/2019/v23i230074

Exploration on the Effectiveness of Radio Frequency Treatment and Flash Pasteurisation on Enzyme and Microbial Activity for Coconut Water Preservation

Gnana Moorthy Eswaran, Vidyalakshmi ., Tito Anand & Vincent Hema · Biotechnology Journal International · 2019

The aim of this research work is to explore the effect of flash pasteurisation (FP) and radio frequency (RF) treatment on enzyme activity, microbial activity and physicochemical properties of matured coconut water (MCW). The process conditions for FP were treatment temperature an...

Open access Research Article 10.9734/bji/2019/v23i230073

Pathogenicity of a Strain of Streptococcus suis Type 2 to Mice and Swine Isolated from Jingzhou City

Mengjie Liu, Zongming Li, Xiaolin Yang & Guoping Liu · Biotechnology Journal International · 2019

Aims: The objective of this study is to identify S. suis type 2 and evaluate the virulence of ZHJ01 strain isolation, and verity the clinical and pathological outcome of a systemic infection caused by one serotype 2 when simultaneously inoculated with ZHJ01 strain. We also want t...

Open access Research Article 10.9734/bji/2019/v23i230072

Gene Clone and Bioinformatics Analysis of Subtilisin-Like Protease in Cucumis sativus

Xue Wang, Guangchao Yu, Xiangyu Wang & Chunmao Lv · Biotechnology Journal International · 2019

Background: Cucumber target leaf spot (TLS), caused by Corynespora cassiicola (C. Cassiicola), is a serious disease in cucumber (Cucumis sativus) production worldwide. Therefore, cultivating new varieties of TLS resistance of C. sativus is an important goal of cucumber breeding....

Open access Research Article 10.9734/bji/2019/v23i130071

Plant Regeneration via Somatic Embryogenesis in Solanum nigrum L. (Black nightshade) (Solanaceae)

Durgam Sharada, Porandla Sai Krishna & Nanna Rama Swamy · Biotechnology Journal International · 2019

Aim: To study the effect of various plant growth regulators (PGRs) for induction of somatic embryogenesis and plantlet formation from cotyledon and leaflet explants in S. nigrum (night shade) an important medicinal plant used in treatment of digestive problems and skin infections...

Open access Research Article 10.9734/bji/2019/v23i130070

The Effect of Nigella sativa and Piper guineense Aqueous Extracts on the in Vivo Expression Profile of Lipid and Sex Hormones

Okoye Ngozi Franca & Uvbiekpahor Rume · Biotechnology Journal International · 2019

Aim: The study investigated the effect of aqueous extract of Piper guineense and Nigella sativa on Testosterone, Estrogen and Follicle stimulating hormone levels in male and female rats induced by diets supplemented with high dose of sucrose and margarine for four (4) week. Mater...

Open access Research Article 10.9734/bji/2019/v23i130069