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RESISTANCE OF IRAQI WHEAT CULTIVARS TO COMMON BUNT DISEASE AND MOLECULAR DIAGNOSIS OF THE AVIALABLE BT GENES IN EACH CULTIVAR 伊拉克小麦栽培品种对常见荨麻疹病的抗性及对各栽培品种可食用 Bt 基因的分子诊断
IF 0.6 Q3 AGRICULTURE, MULTIDISCIPLINARY Pub Date : 2023-12-29 DOI: 10.36103/ijas.v54i6.1875
Al-Maaroof Saed, E. Al-Maaroof, P. H. S. Prof.
This study was conducted to identify resistance sources in the Iraqi wheat cultivars using pathological and molecular approaches. Results revealed that forty-four reeleased wheat cultivars were divided into four groups according to their mean infection percentage to common bunt disease. Resistant group consists of wheat cultivars Farris 1, Ashur, Tamuz 3, AlMadian, AlBaraka, Latiffiya, and Rabia. The mean infection percentage of this group ranged from 0.28-3.98% and significantly was higher than that of all other groups during two growing seasons. Moderately resistant cultivars included cv’s Bura, Iratom, Charmo, Maaroof, and AlRasheed with mean infection range of 10.39- 21.10%. The majority of the tested cultivars (63%) explored high susceptibility to the disease (52.14-91.97%) while the mean infection of the susceptible group ranged from 31.51% in Buhoth 22 to 47.47% in Wafia. Molecular analysis using SSR markers GWM7433, XGWM114, and XGWM264 revealed that Charmo and Hsad- possess the resistance gene Bt9 at 296bp, while Buhoth 10 possesses the known resistance gene Bt12 at 175bp. All the tested cultivars not contain the known resistance genes Bt8, Bt10, and Bt11. The high resistance level of the resistant group could be attributed to the presence of additional known resistance Bt genes or other unidentified resistance genes.
本研究采用病理学和分子方法确定伊拉克小麦栽培品种的抗性来源。结果表明,44 个重新释放的小麦栽培品种根据其对普通穗颈瘟病的平均感染率被分为四组。抗病组包括 Farris 1、Ashur、Tamuz 3、AlMadian、AlBaraka、Latiffiya 和 Rabia 等小麦栽培品种。在两个生长季中,该组的平均感染率为 0.28%-3.98%,明显高于其他各组。抗性中等的栽培品种包括 Bura、Iratom、Charmo、Maaroof 和 AlRasheed,平均感染率范围为 10.39%-21.10%。大多数受测品种(63%)对该病具有高度易感性(52.14-91.97%),而易感组的平均感染率从 Buhoth 22 的 31.51% 到 Wafia 的 47.47%。使用 SSR 标记 GWM7433、XGWM114 和 XGWM264 进行的分子分析表明,Charmo 和 Hsad- 含有 296bp 的抗性基因 Bt9,而 Buhoth 10 含有 175bp 的已知抗性基因 Bt12。所有测试的栽培品种都不含已知的抗性基因 Bt8、Bt10 和 Bt11。抗性组的高抗性水平可能是由于存在其他已知的抗性 Bt 基因或其他未确定的抗性基因。
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引用次数: 0
IMPACT OF ADDING AJWAIN SEEDS TO THE MALE LAMBS’ RATIONS AS GROWTH PROMOTERS 在公羔羊日粮中添加大黄种子作为生长促进剂的影响
IF 0.6 Q3 AGRICULTURE, MULTIDISCIPLINARY Pub Date : 2023-12-29 DOI: 10.36103/ijas.v54i6.1856
S. El-Naggar, S. Gad, Z. Mahasneh, M. Tawilla, G Abou-Ward
This study was conducted to investigate the impact of adding ajwain seeds to the rations of the growing Ossimi ram lambs on growth performance, nutrient digestibility, rumen liquor fermentation, and blood biochemical parameters. A total of 15 ram lambs, 5-6 months of age, were randomly allocated to the 3 treatments (5 lambs each). Lambs were fed a basal diet and regarded as a control group (T1), while the second (T2) and third (T3) treatments were fed on a basal diet plus 0.2 and 0.4 % of ajwain seeds respectively. At the end of the trial (150 days), three sheep from each treatment were used for a fourteen-day digestibility trial. Feed intake was similar for all groups. The treated groups exhibited higher (P<0.05) average daily gain and lesser (P<0.05) feed conversion ratio than the T1 group. All nutrients digestibility and nutritive value (TDN and DCP) were significantly higher (P<0.05) in the T2 and T3 groups than in the T1 group. The blood attributes were within the reference values of healthy lambs. Serum cholesterol, triglyceride, LDL, and MDA levels were decreased (P<0.05), whereas, albumin, HDL and TAC concentrations increased in the treated than the control groups. I
本研究旨在探讨在生长期奥西米公羊的日粮中添加大黄素种子对生长性能、营养物质消化率、瘤胃液发酵和血液生化指标的影响。将 15 只 5-6 月龄的公羔羊随机分配到 3 个处理中(每个处理 5 只)。羔羊饲喂基础日粮,作为对照组(T1),第二组(T2)和第三组(T3)分别饲喂基础日粮和 0.2% 和 0.4% 的大黄素种子。试验结束时(150 天),每个处理各用三只绵羊进行为期 14 天的消化率试验。各组的采食量相似。与 T1 组相比,处理组的平均日增重更高(P<0.05),饲料转化率更低(P<0.05)。T2 和 T3 组的所有营养物质消化率和营养价值(TDN 和 DCP)均显著高于 T1 组(P<0.05)。血液属性符合健康羔羊的参考值。与对照组相比,治疗组的血清胆固醇、甘油三酯、低密度脂蛋白和 MDA 水平降低(P<0.05),而白蛋白、高密度脂蛋白和 TAC 浓度升高。I
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引用次数: 0
EMERGENCE OF MULTIDRUG RESISTANT BACTERIA AMONG PATIENTS WITH RESPIRATORY TRACT INFECTIONS 呼吸道感染患者中出现耐多药细菌
IF 0.6 Q3 AGRICULTURE, MULTIDISCIPLINARY Pub Date : 2023-12-29 DOI: 10.36103/ijas.v54i6.1860
Omaima S Al-Qaissy, A. S. Al-Khafaji
In this study, 25 Pseudomonas aeruginosa isolates were diagnosed in 160 clinical samples collected from patients attending the Tuberculosis Institute/ Medical city and Al-Muhmodia Public Hospital, in addition to a number of private laboratories in Baghdad during the period from September 2020 to February 2021. The bacterial isolates from clinical samples were biochemically diagnosed by API® 20E system then further identified by VITEK 2 system. P. aeruginosa represented the most prevalent bacteria in lower respiratory tract specimens. These isolates showed moderate to high susceptibility towards 11 antimicrobial agents tested in this study except that of ceftazidime and ceftriaxone. Extra-chromosomal resistance of the top three of the most resistant P. aeruginosa isolates were subjected for molecular investigation. Bacterial transformation of E. coli S1 cells with plasmid DNA extracted from the selected P. aeruginosa isolates exhibited increased resistance to ceftazidime and penicillin G. The data clearly suggest that the plasmid DNA content is implicated in enhancement of P. aeruginosa resistance through horizontal transfer of extra- chromosomal beta lactam resistance associated genes.
本研究在 2020 年 9 月至 2021 年 2 月期间从巴格达结核病研究所/医疗城和 Al-Muhmodia 公立医院以及一些私人实验室收集的 160 份临床样本中诊断出 25 个铜绿假单胞菌分离物。从临床样本中分离出的细菌通过 API® 20E 系统进行生化诊断,然后通过 VITEK 2 系统进行进一步鉴定。铜绿假单胞菌是下呼吸道标本中最常见的细菌。除头孢他啶和头孢曲松外,这些分离菌株对本研究中测试的 11 种抗菌药物具有中度至高度敏感性。对耐药性最强的前三种铜绿假单胞菌分离株的染色体外耐药性进行了分子研究。用从所选铜绿假单胞菌分离物中提取的质粒 DNA 对大肠杆菌 S1 细胞进行细菌转化,结果显示其对头孢他啶和青霉素 G 的耐药性增强。
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引用次数: 0
LENTIL GERMINATION AS A SOURCE OF PREBIOTIC TO STUDY THEIR EFFECTS IN COMMON CARP PERFORMANCE, PHYSIOBIOLOGICAL, BLOOD, HEALTH AND PROXIMATE ANALYSIS 以扁豆发芽为益生元来源,研究其对鲤鱼性能、生理生物学、血液、健康和近似物分析的影响
IF 0.6 Q3 AGRICULTURE, MULTIDISCIPLINARY Pub Date : 2023-12-29 DOI: 10.36103/ijas.v54i6.1857
N. M. Abdulrahman, E. T. Sadeeq, Prof Lecturer, Coll. Vet, Med.
The experiment was conducted at the University of Duhok's College of Agricultural Sciences. The study used a completely randomized design with four treatment groups, three repetitions, and ten fish per replication in twelve plastic tanks (70 L), each tank receiving proper continuous aeration and cleaning on a daily basis. Positive Control (T2) was higher significantly in each of the Weight Gain, Daily Weight Gain, Relative Growth Rate, Feed Efficiency Ratio, Protein Efficiency Ratio, Fat Efficiency Ratio, Hepatic Index, Kidney Index, Lymphocytes (10^9/dl), Monocytes (10^9/dl), and Granulocytes (10^9/dl). T3 with 25 gm germinated lentil /kg was higher significantly in Intestine Length- Weight Index and MCHC (%). T4 with 50 gm germinated lentil /kg increase significantly Intestine Length- Length Index, WBC (10^9/dl), PLT (10^ 9/L), Cholesterol mg/dl, and LDL mg/dl. Negative Control (T1) and 25 gm germinated lentil /kg (T3) were higher significantly in Feed Conversion Ratio, Triglyceride mg/dl, and HDL mg/dl. T2 and T3 increased significantly RBC (10^ 12/L). All treatments as compared to control enhances Ether extract (Oil) (%), Crude protein (%), Weight without viscera and Head, and Spleen Index.
实验在杜霍克大学农业科学学院进行。研究采用完全随机设计,四个处理组,三次重复,每个重复十条鱼,共十二个塑料水箱(70 升),每个水箱每天进行适当的连续通气和清洁。阳性对照组(T2)的增重、日增重、相对生长率、饲料效率比、蛋白质效率比、脂肪效率比、肝指数、肾指数、淋巴细胞(10^9/dl)、单核细胞(10^9/dl)和粒细胞(10^9/dl)均明显高于阳性对照组。添加 25 克/千克发芽扁豆的 T3 在肠道长度-重量指数和 MCHC(%)方面明显更高。添加 50 克发芽扁豆/千克的 T4 可明显增加肠长度指数、白细胞(10^9/分升)、血小板(10^ 9/分升)、胆固醇毫克/分升和低密度脂蛋白毫克/分升。阴性对照组(T1)和每千克含 25 克发芽扁豆的对照组(T3)的饲料转化率、甘油三酯毫克/分升和高密度脂蛋白毫克/分升均显著提高。T2 和 T3 显著增加了红细胞(10^ 12/L)。与对照组相比,所有处理都提高了乙醚提取物(油)(%)、粗蛋白(%)、无内脏和头重以及脾指数。
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引用次数: 0
IMPROVING THE NUTRITIONAL VALUE OF WATER HYACINTH LEAVES (WHL) AND ADDING IT TO PROILER DIETS DURING DIFFERENT PERIODS AGE AND ITS EFFECTS ON THE PRODUCTIVE PERFORMANCE 提高布袋莲叶(WHL)的营养价值并将其添加到不同日龄的肉鸡日粮中及其对生产性能的影响
IF 0.6 Q3 AGRICULTURE, MULTIDISCIPLINARY Pub Date : 2023-12-29 DOI: 10.36103/ijas.v54i6.1848
Ali M. Al-Aboudi, S. J. H. R. Prof, Dept, Animal Production - Coll, Agric
This study was conducted at the poultry farm, the Department of Animal Production, Shatrah Technical Institute , Southern Technical University for the period from 19/2/2021 to 1/4/2021 for (42 days), according to the results  Prevous part of the study the best treatment for (WHL) powder was chosen and the replacement was level 6% instead for Wheat, and the best treatment for (WHL) powder treated with yeast (Saccharomyces cerevisiae) at level 12% instead of wheat, and the best treatment for (WHL) powder treated with Iraqi probiotics at level 12% instead of wheat. In two periods of 1-21 days and 22-42 days, the chicks were fed on a starter diets for 1-21 days of age and a finisher diets for 22-42 days of age for the purpose of determining the best rearing period and its impact on the productive performance for broilers. Seven treatments were used with Three replicates per treatment (10 bird’s for replicate) in a floor hen house divided into enclosures of 1.25 x 1 m dimensions. The treatments were as follows: T1:Control without any replacement, T2: replacement (WHL) powder at a level 6% instead of wheat and for the period from 1-21 Day, T3 : replacement (WHL) powder  treated with (Sc) yeast at a level 12% instead of wheat for a period of 1-21 days, T4: replacement (WHL) powder treated with Iraqi probiotics at a level 12% instead of wheat and for a period of 1-21 days, T5: replacement (WHL) powder at a level 6% instead of wheat and for the period from 22-42 days, T6: replacement (WHL) powder  treated with (Sc) yeast at a level 12% instead of wheat and for the period from 22-42 days and T7: replacement (WHL) powder treated with Iraqi probiotics at a level 12% instead of wheat and for the period of 22-42 days. The results showed an improvement in live body weight, weight gain, feed consumption and food conversion ratio for all addition treatments compared with control also treatments T5,T6 and T7 recorded the best results in productive characteristics.
本研究在南方技术大学 Shatrah 技术学院动物生产系的家禽养殖场进行,时间为 2021 年 2 月 19 日至 2021 年 1 月 4 日(42 天),根据研究前半部分的结果,选择了(WHL)粉的最佳处理方法,用 6%的浓度代替小麦、用 12%的酵母(酿酒酵母)代替小麦处理(WHL)粉的最佳处理方法,用 12%的伊拉克益生菌代替小麦处理(WHL)粉的最佳处理方法。为了确定最佳饲养期及其对肉鸡生产性能的影响,将雏鸡分为 1-21 天和 22-42 天两个饲养期,1-21 天饲喂开食料,22-42 天饲喂育成料。试验采用了七种处理,每种处理有三个重复(每个重复 10 只鸡),鸡舍为落地式,围栏尺寸为 1.25 x 1 米。处理如下T1:无任何替代物的对照组;T2:替代物(WHL)粉,浓度为 6%,代替小麦,持续 1-21 天;T3:替代物(WHL)粉经(Sc)酵母处理,浓度为 12%,代替小麦,持续 1-21 天;T4:替代物(WHL)粉经伊拉克益生菌处理,浓度为 12%,代替小麦,持续 1-21 天;T5:替代物(WHL)粉经(Sc)酵母处理,浓度为 12%,代替小麦,持续 1-21 天;T6:替代物(WHL)粉经(Sc)酵母处理,浓度为 12%,代替小麦,持续 1-21 天:T6:用(Sc)酵母处理的替代物(WHL)粉,含量为 12%,替代小麦,添加期为 22-42 天;T7:用伊拉克益生菌处理的替代物(WHL)粉,含量为 12%,替代小麦,添加期为 22-42 天。结果表明,与对照组相比,所有添加处理的活体重、增重、饲料消耗量和食物转化率都有所提高,其中 T5、T6 和 T7 处理的生产性能最好。
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引用次数: 0
ASSOCIATION OF TLR 5 AND ESCHERICHIA COLI FLIC POLYMORPHISMS WITH RECURRENT URINARY TRACT INFECTIONS IN WOMEN TLR 5 和大肠埃希氏菌 Flic 多态性与妇女反复尿路感染的关系
IF 0.6 Q3 AGRICULTURE, MULTIDISCIPLINARY Pub Date : 2023-12-29 DOI: 10.36103/ijas.v54i6.1863
Z. J. Kadhim, G. A. Abdulhasan, Researcher Assist. Prof Dept, Biol
This study was aimed to investigate the role of some Toll-like receptor 5 (TLR5) and E. coli fliC gene polymorphisms with increased risk to recurrent urinary tract infections (rUTI). From 180 specimens (blood and urine) were collected from women of different age, 60 of them serve as control while 120 had rUTI symptoms. After culturing of urine specimens, 43 (35.8%) were identified as E. coli isolates. Four SNPs were identified when amplified and sequenced of TLR5 include rs5744168, rs775385356, rs2072493 and rs5744174. Twelve flagellar antigen serotypes were obtained from fliC sequence of 28 isolates. By using Expasy and Clustal Omega programs, the FliC proteins of  H-serotypes arranged in different lengths ranging between 324-634 residues. The N-terminal and C-terminal were conserved region, in contrast, the central region was variable poorly preserved. The results also showed list of conserved amino acids in both FliC termini included L89, Q90,R91, L95, Q98, N101 and E115 in N- terminus in all studied serotypes. Further, the N277 residue  that reported its central role for TLR5 interaction were found in some serotypes. Indeed, it was no distinct relation between genotypes or allele frequencies with fliC polymorphisms found in E. coli isolated from rUTI.
本研究旨在探讨一些Toll样受体5(TLR5)和大肠杆菌fliC基因多态性对增加复发性尿路感染(rUTI)风险的作用。研究人员从不同年龄的妇女中采集了 180 份标本(血液和尿液),其中 60 份作为对照,120 份有复发性尿路感染症状。在对尿液标本进行培养后,43 份(35.8%)被鉴定为大肠杆菌分离物。对 TLR5 进行扩增和测序后发现了四个 SNP,包括 rs5744168、rs775385356、rs2072493 和 rs5744174。从 28 个分离株的 fliC 序列中获得了 12 种鞭毛抗原血清型。通过使用 Expasy 和 Clustal Omega 程序,H 血清型的 FliC 蛋白以不同的长度排列,介于 324-634 个残基之间。N-端和C-端是保守区域,而中心区域则变化较大,保存较差。研究结果还显示,在所有研究的血清型中,FliC 两端的保守氨基酸包括 N 端的 L89、Q90、R91、L95、Q98、N101 和 E115。此外,在一些血清型中还发现了在 TLR5 相互作用中起核心作用的 N277 残基。事实上,在从 rUTI 分离的大肠杆菌中发现的 fliC 多态性与基因型或等位基因频率之间没有明显的关系。
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引用次数: 0
EFFECT OF ASPECTS, ELEVATION, AND SLOPE GRADIENT ON ZAWITA FOREST UNDERSTORY VEGETATION COMPOSITION 方位、海拔和坡度对扎维塔森林林下植被组成的影响
IF 0.6 Q3 AGRICULTURE, MULTIDISCIPLINARY Pub Date : 2023-12-29 DOI: 10.36103/ijas.v54i6.1873
Gailan Baper, Ahmed Salih Khalaf, Saleem Ismael, Shabaz
Vegetation diversity patterns are necessary to identify species of plants in the Zawita mountains area, Duhok Governorate, Iraq, to investigate the influence of topographical elements (aspects - north and south, elevations and slope gradients) on diagnosis, density, frequency, and species richness and diversity of species in the Zawita forest understory vegetation. Sampling vegetation was surveyed at (1 * 1 m-2), for 8 quadrats per each zigzag transect. The data were designed with a strip-strip block design, with four replicates for each transect. The results revealed significant differences in frequency, density, and Shannon index due to aspects, elevations, and slope gradient. While other measured traits, species richness, and Simpson index were not affected significantly. The highest density was recorded for the north-facing aspect at high altitude while the Shannon index diversity has existed in the south aspect at low elevation and low slope gradient.
为了研究地形要素(南北走向、海拔高度和坡度)对扎维塔森林林下植被物种的诊断、密度、频率、物种丰富度和多样性的影响,有必要确定伊拉克杜胡克省扎维塔山区的植被多样性模式。对植被的取样按(1 * 1 m-2)进行,每个之字形横断面有 8 个四分格。数据设计采用条带区组设计,每个横断面有四个重复。结果表明,由于地势、海拔和坡度的不同,物种的频率、密度和香农指数都存在明显差异。而其他测量特征、物种丰富度和辛普森指数则没有受到明显影响。海拔高、朝北的一面记录到的密度最高,而海拔低、坡度小的南面则存在香农指数多样性。
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引用次数: 0
IMPROVING THE NUTRITIONAL VALUE OF WATER HYACINTH LEAVES (WHL) AND ADDING IT TO BROILER DIETS AND ITS EFFECT ON THE PRODUCTIVE PERFORMANCE. 提高布袋莲叶(WHL)的营养价值并将其添加到肉鸡日粮中及其对生产性能的影响。
IF 0.6 Q3 AGRICULTURE, MULTIDISCIPLINARY Pub Date : 2023-12-29 DOI: 10.36103/ijas.v54i6.1849
Ali M. Al-Aboudi, S. J. H. R. Prof, Dept, Animal Production - Coll, Agric
This study was conducted at the poultry farm , Animal Production Department , Shatrah Technical Institute / Southern Technical University for the period from 13/11/2020 to 25/12/2020 (42 days), to find out the effect of improving the nutritional value for water hyacinth leaves (WHL) fermented with Saccharomyces cerevisiae yeast (Sc) and fermented with Iraqi probiotic at different levels and its effect on the productive performance of broilers chickens. In the experiment, 300 day old unsexed Ross 308 broiler chicks were. The chicks were fed on a starter ration for 1-21 days of age and a finisher  ration form 22-42 days of age. The birds were randomly distributed in to 10 treatments, with 3 replicates for each treatment (10 birds for replicates),the treatments were as follows: T1 Control without any replacement, T2 replacement (WHL) powder at a level 6% instead of wheat, T3 Replacement (WHL) powder treated With (Sc) yeast at a level 6% instead of wheat, T4 replacement (WHL) powder treated with probiotics at a level of 6% instead of wheat, T5 replacement (WHL) powder  at a level 12% instead of wheat, T6 replacement (WHL) powder  treated with (Sc) yeast at a level 12% instead of wheat, T7 replacement (WHL) powder treated with probiotics at a level 12% instead of wheat, T8 replacement (WHL) powder at a level 18% instead of wheat, T9 replacement (WHL) powder treated with (Sc) yeast at a level 18% instead of wheat and T10, replacement (WHL) powder treated with probiotics at a level 18% instead of wheat, The results showed an improvement in live body weight, weight gain, feed consumption and food conversion ratio for all addition treatments compared with control. Treatments T2,T6 and T7 recorded the best results in productive characteristics.
本研究于 2020 年 11 月 13 日至 2020 年 12 月 25 日(42 天)在沙特拉技术学院/南方技术大 学动物生产系的家禽养殖场进行,目的是了解用酿酒酵母(Saccharomyces cerevisiae yeast,Sc)发酵的水葫芦叶(WHL)和用伊拉克益生菌发酵的水葫芦叶(WHL)在不同水平下提高营养价值的效果及其对肉鸡生产性能的影响。实验对象为 300 日龄未绝育的罗斯 308 肉用雏鸡。雏鸡在 1 至 21 日龄期间饲喂开食料,22 至 42 日龄期间饲喂育成料。雏鸡被随机分配到 10 个处理中,每个处理有 3 个重复(重复 10 只),处理如下:T1 对照组,不添加任何替代物;T2 替代物(WHL)粉末,以 6% 的水平替代小麦;T3 替代物(WHL)粉末,以 6% 的水平替代小麦,并用(Sc)酵母处理;T4 替代物(WHL)粉末,以 6% 的水平替代小麦,并用益生菌处理;T5 替代物(WHL)粉末,以 12% 的水平替代小麦;T6 替代物(WHL)粉末,以 12% 的水平替代小麦,并用(Sc)酵母处理、结果表明,与对照组相比,所有添加处理的活体重、增重、饲料消耗量和食物转化率都有所提高。T2、T6 和 T7 处理的生产性能最好。
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引用次数: 0
STUDY SOIL DEVELOPMENT AND CLASSIFICATION IN ERBIL PROVINCE, KURDISTAN, IRAQ USING MATHEMATICAL INDICES 利用数学指数研究伊拉克库尔德斯坦埃尔比勒省的土壤发育和分类情况
IF 0.6 Q3 AGRICULTURE, MULTIDISCIPLINARY Pub Date : 2023-12-29 DOI: 10.36103/ijas.v54i6.1879
H. A. S. Razvanchy, M. A. Fayyadh
The study area located at Erbil province, Kurdistan, Iraq, seven pedons were elected. Twenty-one soil samples were collected in the study area. Different physiochemical and fertility indices have been used to determine the soils development, despite of generating interpolated maps for them. The results indicated that the low values of clay were found in the less pedon developed and argillic horizon existed in development pedons. Study soils were non-saline, slightly to moderately alkaline, and had relatively high bulk density values. Organic matter is concentrated at the soil surface. Considerable total carbonates are found in studied soils and have irregular distribution manner, as well as have high CEC values. Low C/N ratio due to highly decomposed organic matter. The active CaCO3/total CaCO3 increases with depth in all pedons, while, slightly fluctuated in one pedon. The ratio of total clay in BH /AH was found just in some pedons and more than (1) therefore these soils are considered development, and are more developed depending on the ratio of fine clay/total clay. Soils are classified into three groups the first was the least developed soils, the second group has the most development. Third group are intermediate in their development. Pedogenic processes included leaching, illuviation, eluviation, alkalization, humification, lessivage, desalinization, calcification, decomposition, and littering. Studied soils classified as Inceptisols and Mollisols.
研究区域位于伊拉克库尔德斯坦的埃尔比勒省,选取了 7 个基质。在研究区域收集了 21 份土壤样本。尽管生成了插值地图,但还是使用了不同的理化和肥力指数来确定土壤的发育情况。结果表明,开发程度较低的土壤中粘土含量较低,而开发程度较高的土壤中存在霰石层。研究土壤为非碱性、微碱性至中度碱性,容重值相对较高。有机质集中在土壤表面。研究土壤中含有大量的总碳酸盐,分布不规则,CEC 值较高。由于有机物高度分解,C/N 比值较低。在所有土壤中,活性 CaCO3/ 总 CaCO3 随深度增加而增加,而在一个土壤中,活性 CaCO3/ 总 CaCO3 略有波动。BH /AH 中的总粘土比仅在某些块状土壤中发现,且大于(1),因此这些土壤被认为是发育土壤,其发育程度取决于细粘土/总粘土比。土壤分为三类,第一类是发育程度最低的土壤,第二类是发育程度最高的土壤。第三组为中等发育土壤。成土过程包括沥滤、渍化、冲积、碱化、腐殖化、少液化、脱盐、钙化、分解和堆积。所研究的土壤分为 Inceptisols 和 Mollisols 两类。
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引用次数: 0
CYTOTOXIC EFFECT OF ASPARAGINASE PRODUCE FROM E.COLI AND CONJUGATED WITH ZNO NANOPARTICLES ON CANCER CELL LINES 大肠杆菌产生的天冬酰胺酶与 ZNO 纳米粒子共轭对癌细胞株的细胞毒作用
IF 0.6 Q3 AGRICULTURE, MULTIDISCIPLINARY Pub Date : 2023-12-29 DOI: 10.36103/ijas.v54i6.1866
Zahraa H. H H. A. Rasheed Researcher Lecturer, Dept. Biotech, Sci, Col.¸
This study was aimed to examine the anticancer activity of fabricated ZnONPs- L-ASNase conjugate against cancer and normal cell lines. Total of 127 bacterial isolates were taken from clinicalandenvironmentalsamples then identified as E.coli.In this work, 88 isolates were identified as E.coli.L-asparaginase produced from E.coli were screened¸clinical Isolates of E.coli from urine sample have the potential to produce asparaginase that is responsible for cytotoxicity¸the optimal culture conditions for the development of the enzyme L-asparaginase were determined to be 37ºC and pH8. Nitrogen sourceconcentrations at 0.9gm/ml were discovered to maximize enzyme production. L-asparaginase then purified by two steps that includeion exchange column and gel filtration. Purification and recovery percentage for L-ASNase was 6.21%, 10.34% respectively. Effective conjugation was approved by UV-visible spectroscopy. ZnO nanoparticles exhibit absorbance peaks approximately 200-300 nm. XRD analysis confirmed the crystallite size of the ZnO nanoparticles was observed to be 18.4 nm. The activity of L-ASNase in the ZnONPs-L-ASNasewas detected by a direct nesslerization method and the findings showed a substantial increase L-ASNase specific activity within the conjugate of ZnONPs-L-ASNase in comparison to its free state. The ZnONPs-L-ASNase conjugate showed the greatest and most substantial cytotoxic action against A375 with survival rate at 400 µg /mL about 45.8± 2.3. The IC50 value of 44.69 µg/ mL of ZnONPs- L-ASNase was calculated for A375 cells. In comparison, all substances exhibited weak to moderate cytotoxicity when tested against the normal cell line WRL-68. The ZnONPs-L-ASNase combination therapy resulted in a higher cytotoxic effect. This action could be attributed to the synergetic effects of both L-ASNase and the conjugated molecules ZnONPs.
这项研究的目的是检测制备的 ZnONPs- L-ASNase 共轭物对癌症细胞系和正常细胞系的抗癌活性。从尿液样本中分离出的临床大肠杆菌有可能产生天冬酰胺酶,这种酶具有细胞毒性,而培养天冬酰胺酶的最佳条件是 37ºC 和 pH8。氮源浓度为 0.9 克/毫升,以最大限度地提高酶的产量。然后通过离子交换柱和凝胶过滤两个步骤纯化 L-天冬酰胺酶。L-ASNase 的纯化率和回收率分别为 6.21%和 10.34%。紫外-可见光谱分析证实了该共轭物的有效性。氧化锌纳米颗粒显示出约 200-300 纳米的吸光峰。XRD 分析证实,氧化锌纳米粒子的晶粒大小为 18.4 纳米。通过直接奈斯勒法检测了 ZnONPs-L-ASNase 中 L-ASNase 的活性,结果表明与游离态相比,ZnONPs-L-ASNase 共轭物中 L-ASNase 的特异性活性大幅提高。ZnONPs-L-ASNase 共轭物对 A375 的细胞毒性作用最大,400 µg /mL 时的存活率约为 45.8±2.3。计算得出 ZnONPs-L-ASNase 对 A375 细胞的 IC50 值为 44.69 µg/ mL。相比之下,在对正常细胞株 WRL-68 进行测试时,所有物质都表现出弱至中等的细胞毒性。ZnONPs-L-ASNase 联合疗法的细胞毒性效果更高。这种作用可归因于 L-ASNase 和共轭分子 ZnONPs 的协同效应。
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引用次数: 0
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IRAQI JOURNAL OF AGRICULTURAL SCIENCES
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