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Removal of Pathogenic Bacteria from Water Using Pomegranate Peels 用石榴皮去除水中致病菌
IF 1.1 Q3 PLANT SCIENCES Pub Date : 2023-05-07 DOI: 10.21608/ejbo.2023.172401.2183
M. R. Zaki, Taha D. Farrag, A. Mohamedin, M. El-Bana, W. Saber
D ESPITE expensive treatment procedures designed to eliminate harmful germs from drinkable water supplies and waterborne illnesses, they still pose a threat to public health. The current investigation is concerned with the removal of Gram-positive and Gram-negative pathogenic bacteria from aqueous solutions. The abundant and inexpensive natural resource, pomegranate dry peel (PDP), and its activated carbon (PDPAC) have been used as bio-adsorbents. Phosphoric acid (30%) was used to chemically activate the carbon at 800 ºC. The optimum contact time was 60min for the dry peel and 40min for the activated carbon at a pH range of 7.0 to 7.5 and 30 to 35ºC processing temperature. The adsorption isotherm of different bacteria was determined for both adsorbents and analyzed by three common isotherm models. The equilibrium results have matched well to the Langmuir equation and the maximal monolayer adsorption capacity was 12500, 14286, 20000, 1000 CFU/g with PDP and 25000, 25010, 33343, 20000 CFU/g with PDPAC for E. coli, S. enterica, S. aureus , and E. faecalis, respectively. This research can be applied in the treatment stages of water treatment plants, sewage treatment plants, and household filters as a low-cost adsorbent material to remove pathogenic bacteria, antibiotic-resistant bacteria, and
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引用次数: 0
Molecular Characterization, Heterologous Expression and Antimicrobial Activity of Phaseolus vulgaris L. Defensin Peptide (Pv-Def) against various Human MDR Pathogens 菜豆防御素肽(Pv-Def)对多种人MDR病原菌的分子特征、异源表达及抑菌活性研究
IF 1.1 Q3 PLANT SCIENCES Pub Date : 2023-05-03 DOI: 10.21608/ejbo.2023.199400.2277
S. Mohamed, Mohamed M. El-Mahdy, Alshaimaa M. Mabrouk, R. Salem, M. Shehata, I. El-Kholy, Heba H. Abouseadaa
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引用次数: 0
Identification of Zinc Finger (ZnF) Genes that Undergo Tissue-specific Alternative Splicing in Arabidopsis thaliana 拟南芥组织特异性选择性剪接锌指基因的鉴定
IF 1.1 Q3 PLANT SCIENCES Pub Date : 2023-05-03 DOI: 10.21608/ejbo.2023.189961.2247
Umme Qulsum, M. T. A. Azad, T. Tsukahara
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引用次数: 0
The Cluster of Local Maize Accessions Based on Seed Characteristics from North Sumatra 基于北苏门答腊岛种子特征的地方玉米资料聚类研究
IF 1.1 Q3 PLANT SCIENCES Pub Date : 2023-05-03 DOI: 10.21608/ejbo.2023.174829.2193
N. E. Mustamu, Koko Tampubolon, Alridiwirsah Alridiwirsah, M. Basyuni
T HE use of local maize is still in high demand by farmers in Indonesia. The development of local maize needs to be discovered through a morphological approach. This study was to obtain seed characteristics and similarities of local maize from North Sumatra. Local maize accession seeds were taken by four districts/cities (Binjai, Serdang Bedagai, Deli Serdang, and Mandailing Natal) from North Sumatra, Indonesia from July to September 2022. A hybrid variety of maize was selected for comparison. Seed characteristics were measured in each accession with four replications. A descriptive-analytic method was selected in this study and data were analyzed using one-way ANOVA and followed by Tukey at P <0.05. Correlation analysis, similarity matrix, hierarchical cluster, and constellation plot were constructed in this study. The results showed that SB-1; DS-3; SB-4; and SB-2 accessions had higher seed characteristics than other accessions. The SB-5 accession had the nearest neighbors (0.743) and two accessions (BI-1; DS-2) were classified into one cluster with a hybrid variety. This finding indicates that several local maize accessions are nearest to the hybrid characteristics. A novelty of this study informed that local maize had an opportunity to be used in the fields.
印尼农民对当地玉米的使用需求仍然很高。当地玉米的发育需要通过形态学的方法来发现。本研究旨在获得北苏门答腊当地玉米的种子特性和相似性。2022年7月至9月,印度尼西亚北苏门答腊的四个地区/城市(宾贾、塞尔当-贝达盖、德利-塞尔当和曼德勒-纳塔尔)采集了当地玉米种子。选择一个玉米杂交品种进行比较。用四次重复在每个登录中测量种子特性。本研究选择了描述性分析方法,并使用单因素方差分析对数据进行分析,然后用Tukey进行分析,P<0.05。本研究构建了相关分析、相似矩阵、层次聚类和星座图。结果表明:SB-1;DS-3;SB-4;SB-2材料具有比其他材料更高的种子特性。SB-5具有最近的邻居(0.743),两个材料(BI-1;DS-2)与一个杂交品种被分类到一个聚类中。这一发现表明,一些地方玉米材料最接近杂交特性。这项研究的一个新颖之处在于,当地玉米有机会在田里使用。
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引用次数: 1
Role of Plant Growth Promoting Rhizobacteria in Healthy and Sustainable Agriculture 促进植物生长的根际细菌在健康可持续农业中的作用
IF 1.1 Q3 PLANT SCIENCES Pub Date : 2023-04-18 DOI: 10.21608/ejbo.2023.191783.2246
S. Ouf, Fawkia El-Amriti, Mohammed Abu-Elghait, S. Desouky, Mahmoud S.M. Mohamed
.
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引用次数: 0
Novel Fibrinolytic Enzyme by Scopulariopsis brevicaulis OS 3456: Production, Characterization, In vitro, and In vivo Activity 短梗霉OS3456新型纤维蛋白水解酶的制备、表征、体外和体内活性
IF 1.1 Q3 PLANT SCIENCES Pub Date : 2023-04-06 DOI: 10.21608/ejbo.2023.189448.2236
Omnia S. Mousa, Noha M. Abd El Hameed, Adel ELMehalawy, S. S. Mohamed
F IBRINOLYTIC enzyme production from Scopulariopsis brevicaulis OS 3456 isolated from a local soil sample was studied. The enzyme was purified by ammonium sulfate precipitation and gel filtration chromatography using Sephadex G-100, increasing its specific activity to 370 U/mg with a yield of 1.5% and a purification fold of 3.4. The molecular weight of the purified enzyme was 61.5 kDa determined by SDS-PAGE analysis. The optimum temperature of the enzyme was 37 o C, and it was stable over a pH range of 5.0–9.0 with maximum stability at pH 7.0. The activity was increased in the presence of ß-mercaptoethanol, Mn 2+ , Ba 2+ , triton X-100, and xylene by 137.1, 51.6, 41.4, 37.5, and 23%, respectively. Furthermore, the enzyme activity was inhibited by Cd 2+ , Al 3+ , EDTA, PMSF, and acetone. The in vitro thrombolytic activity of the undiluted purified enzyme (370 U/mg) was found to be 100%. Meanwhile, in the cases of 185, 92.5, 46.25, 23.125, and 11.562 U/mg, the clot lysis percentage was 76.8, 67.4, 57.8, 39.5, and 28%, respectively. A carrageenan-induced tail thrombosis model was applied to test the in vivo thrombolytic activity of the enzyme. The result indicated no obvious thrombus in the tails of mice treated with the tested enzyme (370 U/mg). However, when the enzyme was diluted, its thrombolytic activity decreased gradually. All these results explore the promising thrombolytic activity of the extracted fibrinolytic enzyme. Hence, more purification steps and more experimental animal studies are required in the future for its use as a commercial drug.
研究了从当地土壤样品中分离得到的短毛细Scopulariopsis brevicaulis OS 3456的纤溶酶产量。用Sephadex G-100进行硫酸铵沉淀和凝胶过滤层析纯化,使酶的比活性达到370 U/mg,得率为1.5%,纯化倍数为3.4倍。经SDS-PAGE分析,酶的分子量为61.5 kDa。酶的最适温度为37℃,pH值在5.0 ~ 9.0范围内稳定,pH值在7.0时最稳定。ß-巯基乙醇、Mn 2+、Ba 2+、triton X-100和二甲苯的存在使其活性分别提高了137.1、51.6、41.4、37.5和23%。cd2 +、al3 +、EDTA、PMSF和丙酮均能抑制该酶的活性。未稀释纯化酶(370 U/mg)的体外溶栓活性为100%。而在185、92.5、46.25、23.125、11.562 U/mg时,凝块溶解率分别为76.8、67.4、57.8、39.5、28%。采用角叉菜胶诱导的尾巴血栓形成模型,检测该酶的体内溶栓活性。结果表明,用该酶(370 U/mg)处理小鼠尾部无明显血栓形成。然而,当酶被稀释时,其溶栓活性逐渐下降。这些结果探索了提取的纤溶酶具有良好的溶栓活性。因此,为了将其作为商业药物使用,未来需要更多的纯化步骤和更多的实验动物研究。
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引用次数: 0
Ethnobotanical Importance of Wild Plants in Wadi Kaam, Northwestern Libya 利比亚西北部瓦迪卡姆野生植物的民族植物学意义
IF 1.1 Q3 PLANT SCIENCES Pub Date : 2023-04-02 DOI: 10.21608/ejbo.2023.176281.2199
D. Ahmed, M. EL-KHALAFY, Fathi Almushghub, A. Sharaf El-Din, K. Shaltout
T HIS PAPER compares four indices; each index is designed to assess the cultural significance of plant species through the study of the goods provided by wild plants in the study area and the assessment of the Cultural Importance (CI) index, which reflects the cultural importance of wild plant usage. The results show that 94 species have a useful use (63.8% for medicinal use, 60.6% for beekeeping, 43.6% for fodder plants, 27.7% for human food, 8.5% as fuel and 2.1% in hand-made industries). The total CI of each category indicated that plants used in beekeeping are the most common among inhabitants (9.54), followed by medicinal use (9.46), and grazing (7.77), while hand-made was the least (0.27). Ziziphus lotus (total CI=1.22) had first rank in cultural using the four quantitative indices; CI, the relative frequency of citation (RFC), relative importance (RI) and cultural value (CV); with five number of uses (NU), 82 number of use reports (UR) and 41 frequency of citation (FC). There is a positive and significant relationship between the NU and FC (r = 0.876). At the same time, CI is significantly highly correlated with FC (r= 0.975), and CV was the most correlated with FC (r= 0.98). Despite the controversy surrounding the use of cultural significance indices, authors believe that indices based on interviews are the only way to fill passive knowledge about valuable plants. It is crucial to study the inhabitant’s cultural uses of wild plants, to reflect their economic importance and the importance to be conservation.
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引用次数: 1
Metabolomics and Biological Activities of Residual Parts from some Egyptian Green Vegetables 几种埃及绿色蔬菜残肢代谢组学及生物学活性研究
IF 1.1 Q3 PLANT SCIENCES Pub Date : 2023-03-21 DOI: 10.21608/ejbo.2023.155080.2078
Emad A. Shalaby, S. Shanab, R. Hafez, A. E. El-Ansary
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引用次数: 0
The Effect of Sodium Ions on the Anatomical Structure and Growth of Early Simmondsia chinensis (Link) C.K. Schneid. Roots under Reduced Water Potential and Temperature 钠离子对早期西孟子解剖结构和生长的影响(Link)降低水势和温度条件下的根系
IF 1.1 Q3 PLANT SCIENCES Pub Date : 2023-03-21 DOI: 10.21608/ejbo.2023.171065.2179
K. Farghali
T HIS STUDY deals with the effects of tri-factorial interaction on some traits (elongation; weight and biomass accumulation efficiency of roots) and anatomical features of seedling Simmondsia chinensis roots. The obtained data indicated that, the moderate sodicity affected the root length which was enhanced by the sub optimal and optimal temperatures with low salinity stress. The decreased root elongation was inhibited under supra optimal temperature with decreased Ψ s . Statistically, the Ψ s had a dominant role while temperature effect was secondary on the root length and weight. It was found that, the temperature ranges from 20 to 28 was favorable for well development of the root anatomical structures and the root hairs formation, particular at low osmotic stress and moderate sodicity. Adversely, the elevated temperature had a deleterious effect on the root circulation which caused a wider vascular cylinder with narrower root cortex, as well as a distortion {lysis} of parenchymatous cells. The effect of the investigated factors and their combinations on the efficiency of cortical layer and xylem vessels was discussed.
{"title":"The Effect of Sodium Ions on the Anatomical Structure and Growth of Early Simmondsia chinensis (Link) C.K. Schneid. Roots under Reduced Water Potential and Temperature","authors":"K. Farghali","doi":"10.21608/ejbo.2023.171065.2179","DOIUrl":"https://doi.org/10.21608/ejbo.2023.171065.2179","url":null,"abstract":"T HIS STUDY deals with the effects of tri-factorial interaction on some traits (elongation; weight and biomass accumulation efficiency of roots) and anatomical features of seedling Simmondsia chinensis roots. The obtained data indicated that, the moderate sodicity affected the root length which was enhanced by the sub optimal and optimal temperatures with low salinity stress. The decreased root elongation was inhibited under supra optimal temperature with decreased Ψ s . Statistically, the Ψ s had a dominant role while temperature effect was secondary on the root length and weight. It was found that, the temperature ranges from 20 to 28 was favorable for well development of the root anatomical structures and the root hairs formation, particular at low osmotic stress and moderate sodicity. Adversely, the elevated temperature had a deleterious effect on the root circulation which caused a wider vascular cylinder with narrower root cortex, as well as a distortion {lysis} of parenchymatous cells. The effect of the investigated factors and their combinations on the efficiency of cortical layer and xylem vessels was discussed.","PeriodicalId":45102,"journal":{"name":"Egyptian Journal of Botany","volume":" ","pages":""},"PeriodicalIF":1.1,"publicationDate":"2023-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42510529","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study of the Floristic Diversity of the Moulay Driss Zerhoun Region in the Prerif Range, Morocco 摩洛哥普雷里夫山脉Moulay Driss Zerhoun地区植物区系多样性研究
IF 1.1 Q3 PLANT SCIENCES Pub Date : 2023-03-21 DOI: 10.21608/ejbo.2023.176949.2202
Soukayna Boudik, H. Khamar, N. Magri, N. Belahbib, L. Zidane, O. Benkhnigue, J. Dahmani
{"title":"Study of the Floristic Diversity of the Moulay Driss Zerhoun Region in the Prerif Range, Morocco","authors":"Soukayna Boudik, H. Khamar, N. Magri, N. Belahbib, L. Zidane, O. Benkhnigue, J. Dahmani","doi":"10.21608/ejbo.2023.176949.2202","DOIUrl":"https://doi.org/10.21608/ejbo.2023.176949.2202","url":null,"abstract":"","PeriodicalId":45102,"journal":{"name":"Egyptian Journal of Botany","volume":"1 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2023-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41474720","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
期刊
Egyptian Journal of Botany
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