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Potentials of Kerstingiella geocarpa as a Health Food
Ajayi, O.B.,Oyetayo, F.L. The Korean Society of Food Science and Nutrition 2009 Journal of medicinal food Vol.12 No.1
The seed of Kerstingiella geocarpa was analyzed to determine its proximate and amino acid compositions. The seed was found to be a high source of crude protein (21.3%) and very low in crude fat (1.0%). Arginine, an amino acid for pediatric growth, was the most concentrated amino acid in the seed. Arginine (9.3 g/100 g of crude protein), histidine (2.1 g/100 g of crude protein), and phenylalanine (3.2 g/100 g of crude protein) concentrations in the seed were found in higher levels than the recommended Food and Agriculture Organization/World Health Organization amino acid requirement pattern for the preschool age group. The total essential amino acid content in K. geocarpa seed was 42.0%. The lysine:arginine ratio calculated to estimate the seed atherogenic potential was 0.3. This shows that K. geocarpa seed protein will not exert a hypercholesterolemia effect on the consumer. Furthermore, incorporation of the seed into diets of experimental rats resulted in hematological parameters comparable with those of casein control-fed rats. These findings show this seed could be an important source of food that holds promise in medicinal nutrition.
Potentials of Kerstingiella geocarpa as a Health Food
O.B. Ajayi,F.L. Oyetayo 한국식품영양과학회 2009 Journal of medicinal food Vol.12 No.1
The seed of Kerstingiella geocarpa was analyzed to determine its proximate and amino acid compositions. The seed was found to be a high source of crude protein (21.3%) and very low in crude fat (1.0%). Arginine, an amino acid for pediatric growth, was the most concentrated amino acid in the seed. Arginine (9.3 g/100 g of crude protein), histidine (2.1 g/100 g of crude protein), and phenylalanine (3.2 g/100 g of crude protein) concentrations in the seed were found in higher levels than the recommended Food and Agriculture Organization/World Health Organization amino acid requirement pattern for the preschool age group. The total essential amino acid content in K. geocarpa seed was 42.0%. The lysine:arginine ratio calculated to estimate the seed atherogenic potential was 0.3. This shows that K. geocarpa seed protein will not exert a hypercholesterolemia effect on the consumer. Futhermore, incorporation of the seed into diets of experimental rats resulted in hematological parameters comparable with those of casein control-fed rats. These findings show this seed could be an important source of food that holds promise in medicinal nutrition.
O. B. Oluborode,S.I. Smith,T.A. Seriki,M. Fowora,A. Ajayi,A.O. Coker 한국미생물·생명공학회 2018 한국미생물·생명공학회지 Vol.46 No.4
Pseudomonas aeruginosa accounts for a significant proportion of nosocomial infections. This study examined the antimicrobial susceptibility pattern and clonal relatedness of P. aeruginosa isolates of clinical and environmental origin. These isolates displayed susceptibility to levofloxacin, ciprofloxacin, gentamicin, imipenem, and ceftazidime of 65.0%, 62.5%, 90.0%, 100%, and 85%, respectively. PCR-RAPD analysis of the P. aeruginosa isolates revealed marked variation. No correlation was observed between the antibiotic resistance profiles and the DNA typing patterns.
Oluborode, O.B.,Smith, S.I.,Seriki, T.A.,Fowora, M.,Ajayi, A.,Coker, A.O. The Korean Society for Microbiology and Biotechnol 2018 한국미생물·생명공학회지 Vol.46 No.4
Pseudomonas aeruginosa accounts for a significant proportion of nosocomial infections. This study examined the antimicrobial susceptibility pattern and clonal relatedness of P. aeruginosa isolates of clinical and environmental origin. These isolates displayed susceptibility to levofloxacin, ciprofloxacin, gentamicin, imipenem, and ceftazidime of 65.0%, 62.5%, 90.0%, 100%, and 85%, respectively. PCR-RAPD analysis of the P. aeruginosa isolates revealed marked variation. No correlation was observed between the antibiotic resistance profiles and the DNA typing patterns.
RNA-seq profiling of skin in temperate and tropical cattle
( Olanrewaju B. Morenikeji ),( Oyeyemi O. Ajayi ),( Sunday O. Peters ),( Fidalis D. Mujibi ),( Marcos De Donato ),( Bolaji N. Thomas ),( Ikhide G. Imumorin ) 한국축산학회(구 한국동물자원과학회) 2020 한국축산학회지 Vol.62 No.2
Skin is a major thermoregulatory organ in the body controlling homeothermy, a critical function for climate adaptation. We compared genes expressed between tropical- and temperate- adapted cattle to better understand genes involved in climate adaptation and hence thermoregulation. We profiled the skin of representative tropical and temperate cattle using RNAseq. A total of 214,754,759 reads were generated and assembled into 72,993,478 reads and were mapped to unique regions in the bovine genome. Gene coverage of unique regions of the reference genome showed that of 24,616 genes, only 13,130 genes (53.34%) displayed more than one count per million reads for at least two libraries and were considered suitable for downstream analyses. Our results revealed that of 255 genes expressed differentially, 98 genes were upregulated in tropically-adapted White Fulani (WF; Bos indicus) and 157 genes were down regulated in WF compared to Angus, AG (Bos taurus). Fifteen pathways were identified from the differential gene sets through gene ontology and pathway analyses. These include the significantly enriched melanin metabolic process, proteinaceous extracellular matrix, inflammatory response, defense response, calcium ion binding and response to wounding. Quantitative PCR was used to validate six representative genes which are associated with skin thermoregulation and epithelia dysfunction (mean correlation 0.92; p < 0.001). Our results contribute to identifying genes and understanding molecular mechanisms of skin thermoregulation that may influence strategic genomic selection in cattle to withstand climate adaptation, microbial invasion and mechanical damage.
( Pablo D. Cabral ),( Guillermo B. Silva ),( Sandra T. Baigorria ),( Luis I. Juncos ),( Ebenezer I. O. Ajayi ),( Néstor H. García ) 대한신장학회 2022 Kidney Research and Clinical Practice Vol.41 No.6
Background: Sodium chloride (NaCl) reabsorption in the cortical thick ascending limb (cTAL) is regulated by opposing effects. Nitric oxide (NO) inhibits NaCl reabsorption while 8-iso-prostaglandin-F2α (8-iso-PGF2α) stimulates it. Their interaction has not been evaluated in the cTAL. Because 8-iso-PGF2α has considerable stability while NO is a free radical with a short half-life, we hypothesized that, in the cTAL, the inhibition of NaCl absorption will be reversed by 8-iso-PGF2α. Methods: Chloride absorption (J<sub>Cl</sub>) was measured in isolated perfused cTALs and whether the activation of protein kinase A (PKA) is required for this interaction. Since cyclic adenosine monophosphate (cAMP) is a major messenger for the 8-iso-PGF2α signaling cascade, and NO inhibits J<sub>Cl</sub> by decreasing cAMP bioavailability, we measured 8-iso-PGF2α-stimulated cAMP in the presence of sodium nitroprusside (SNP). Results: The NO donor, SNP (10<sup>-6</sup> M), decreased J<sub>Cl</sub> by 41%, while luminal 8-iso-PGF2α (100 μM) increased J<sub>Cl</sub> to 315 ± 46 pmol/ min/mm (p < 0.003), reversing the effects of the NO donor. SNP inhibited J<sub>Cl</sub>, 8-iso-PGF2α failed to increase J<sub>Cl</sub> in the presence of H89. Basal cAMP was 56 ± 13 fmol/min/mm, in the presence of SNP 57 ± 6 fmol/min/mm, and 8-iso-PGF2α increased it to 92 ± 2 fmol/min/mm (p < 0.04). Conclusion: We concluded that 1) NO-induced inhibition of J<sub>Cl</sub> in the cTAL can be reversed by 8-iso-PGF2α, 2) 8-iso-PGF2α and NO interaction requires PKA to control J<sub>Cl</sub>, and 3) in the presence of NO, 8-iso-PGF2α continues to stimulate J<sub>Cl</sub> because NO cannot reverse 8-iso-PGF2α-stimulated cAMP level.