Browsing Biology and Biotechnology by Title
Now showing items 21-40 of 193
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Bacteriological quality of kunu-zaki sold on the streets of owerri metropolis, Nigeria
(African Journal of Biological Sciences, 2019-01-16)Kunu-zaki is a nourishing non-alcoholic beverage widely consumed in Nigeria. There is no standardized method for its preparation thus production practices differ amongst retailers. This study was undertaken to evaluate the ... -
Bax promoter G(－248)A polymorphism in a Turkish clinical breast cancer patients: A case-control study
(Scientific Research Publishing, 2013-01)Bax is an important protein involved in apoptotic process. Mutations of the Bax gene are known to af- fect protein expression and function. A promotor polymorphism G(－248)A in the 5’UTR of Bax gene may alter regulation of ... -
Biocatalytic production of chitosan polymers from shrimp shells, using a recombinant enzyme produced by pichia pastoris
(Scientific Research Publishing, 2012-10)Chitosan has a unique chemical structure with high charge density, reactive hydroxyl and amino groups, and extensive hydrogen bonding. Chitin deacetylase (EC 3.5.1.41) catalyzes the hydrolysis of the N-acetamido groups of ... -
Biochar and vermicompost soil amendments reduce root rot disease of common bean (Phaseolous Vulgaris L.)
(African Science Publications, 2021-01-01)Common bean production is constrained by root rot complexes resulting to as much as 70% losses in Kenya. This study sought to establish the effect of soil amendments biochar and vermicompost on root rot fungal pathogens ... -
Biological radiation
(African Journal of Biological Sciences, 2020-01-01)For a long time, the scientific community has been discussing whether living beings have specific biological radiation that is different from the standard set of electromagnetic and acoustic waves occur in the process of ... -
Bioremediation of heavy metal ions from contaminated soil and water by microbes: A review
(African Science Publications, 2021-04-05)Scientists all over the world are working tirelessly on the management of environmental toxicants and their control over the past two decades due to their injurious effects on plants, animals, and humans. These calcitrants ... -
Bovine trypanosomiasis and vectors in Lom and Djerem Division of East-Cameroon
(African Science Publications, 2020-07-09)Bovine trypanosomiasis is a major threat to the livestock sector of Cameroon. The main objective of this study was to determine the prevalence of bovine trypanosomes and vectors in the SODEPA Ranch of Ndokayo. A cross ... -
Breeding of NHase hyper-producing Rhodococcus ruber strain LUV30-06 and verification of mutants by RAPD
(Scientific Research Publishing, 2013-04)A nitrile hydratase (NHase) hyper-producing Rhodococcus ruber strain LUV30-06 was bred by mutagenization on the starting strain CGMCC3090 with ultraviolet irradiation and lithium chloride. The NHase activity of the strain ... -
Characterization of asian and north American avian H5N1
(Scientific Research Publishing, 2011-07)Since the emerge of the highly pathogenic avian H5N1 virus in Asia in 1996, the possibility for this virus to cross species barriers to infect humans and its ability to cause large outbreaks in birds have been a public ... -
Characterization of bacteria isolated from rumen substrates of goat (Capra aegagrus hircus)
(African Journal of Biological Sciences, 2020-04-06)Studies on microorganisms associated with rumen substrates of goat (Capra aegagrus hircus) were done through aerobic and anaerobic fermentation for a period of 12 days. Microscopic, biochemical and molecular identification ... -
Characterization of the role of Smu1 in nuclear localization of splicing factors in the mammalian temperature-sensitive mutant
(Scientific Research Publishing, 2013-01)A temperature-sensitive (ts) mutant of the CHO-K1 cell line, tsTM18, grows at 340C but not at 390C. Smu1 is the gene responsible for ts defects of tsTM18 cells. Previously, we found that the Smu1 ts defect altered the ... -
Characterization of winged bean (Psophocarpus tetragonolobus (L.) DC.) based on molecular, chemical and physiological parameters
(Scientific Research Publishing, 2013-10)Winged bean (Psophocarpus tetragonolobus (L.) DC.) is a potential legume crop of the tropics with high protein and oil content in the seeds. Analysis of the mutual genotypic relationships among twenty four genotypes of P. ... -
Chicken feathers degrading bacteria isolated from flamingo feathers in Lake Nakuru, Kenya
(African Science Publications, 2021-04-05)This study investigated the ability to degrade chicken feathers by bacteria isolated from flamingo feathers in Lake Nakuru which can be applied in the degradation of poultry and abattoir wastes for the production of protein ... -
Chimeric oncogenic interferon regulatory factor-2 (IRF-2): Degradation products are biologically active
(Scientific Research Publishing, 2012-10)Interferon Regulatory Factor-2 (IRF-2) belongs to IRF family, was identified as a mammalian transcrip-tion factor involved in Interferon beta (IFNβ) gene regulation. Besides that IRF-2 is involved in ... -
Chromium (Cr) phyto-toxicity effect of Horse gram (Dolichos biflorus L.)
(African Science Publications, 2020-07-09)In recent years, Heavy Metals (HMs) pollution has become a serious problem all over the world as these (HMs) continue in the soil for longer period due to their non-biodegradability. The chromium (Cr) is one of the ... -
Chromosomal aberrations and nucleic acids systems affected by some Egyptian medicinal plants used in treating female pregnant diabetic rats
(Scientific Research Publishing, 2011-04)The influences of medicinal plants Juniperus Phoenicea (Araar), Hyphaene thebaica (Doum), An-astatica hierochuntica (Kafta) and Cleome droserifolia (Sammo) as antidiabetic agents were investigated using female pregnant ... -
Cloning, purification and characterization of the ribosomal protein L11 from E. coli
(Scientific Research Publishing, 2011-04)A high-expression system of L11 was constructed and investigated its interaction with other elements of the ribosome using physicochemical methods. The gene rplK, coding for the protein L11 from the E. coli 50S ribosomal ... -
Codon bias of influenza a viruses and their hosts
(Scientific Research Publishing, 2011-10)The Influenza A virus remains an annual and worldwide health concern due to its fast evolutionary rate. There are two major forms of Influenza evolution: drift, caused by mutations, and shift, which results from the exchange ... -
Comparative cytomorphometry of red blood cells of some fishes
(African Journal of Biological Sciences, 2019-01-16)This study aims to compare the size of the red blood cells of different freshwater fishes to gain knowledge of their activity. In this study, 11 different freshwater fishes of four different order like Siluriformes, ... -
Comparative differential leucocyte count and morphometrical analyses of black rats Rattus rattus (Linnaeus, 1758) and white rats Rattus norvegicus (Berkenhout, 1769)
(African Journal of Biological Sciences, 2019-01-16)This paper aims at a systematic approach to morphologically characterize of five types of white blood cells (WBC), and its nuclei from light microscopic image of blood samples. Hence, cellular and nuclei based geometric ...
