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تاثير مستخلص الثوم والرمان على الجرذان المصابة تجريبيا بطفيلي Cryptosporidium parvum ومقارنتها مع عقار Metranidazole == Effect Extract Allium Sativum And Punica Grantium On White Rat Expermental Infection Cryptosporidium Parvum And Comper With Metranidazole

Author name: سرى رزاق خضير عبادة

Supervisor name: نجم عبد الواحد عبد الخضر الجدوع

General topic: Biology

Specific topic: Microbiology - Parasites

Degree: Master

University: University of Al-Qadisiyah - College Of Science - Department Of Biology

Language: Arabic

Full text from the source: https://qu.edu.iq/repository/wp-content/uploads/2017/04/%D8%B1%D8%B3%D8%A7%D9%84%D8%A9-%D8%B3%D8%B1%D9%89-ilovepdf-compressed.pdf

University location: Qadisiyah

First pages:

Abstract: جمعت عينات البراز من الاطفال في مستشفى النسائية والاطفال كذلك جمعت من العجول المصابة حيث اجري فحص العينات بصبغة الزيل نلسن ثم عزلت ونقيت الاكياس بطريقة التطويف بمحلول شيذر السكري وجرعت 2103xكيس بيض لكل جرذ بانبوبة التجريع الفموي وسجلت المدة قبل البائنة من | Collects stool samples from children in the women's and pediatric hospital. also collects all those from infected calves, where he conducts testing samples dye Zail Nelson then isolated and scrubbed bags manner floation solution Shidhir diabetes and gived rat 2 x103 bag eggs per rat tube dosage oral and recorded for the period before dowry of 3 - 5 days as recorded wounding 100%. The result is the appointment of the lethal dose of moderation LD50 of aqueous extracts of the garlic, peel the pomegranate after giving the rats doses graded by the mouth and the results indicate that the dose 7500 mg / kg of body weight is the lethal dose of aqueous extracts of garlic bulbs and dose limits of 5250 mg / kg is the lethal dose to peel pomegranate then tretment using cold aqueous extract to plant garlic. Allium satvuim L. peel and pomegranate Punica granantum L and drug Metronidazole (Flagyl) concentration of 250, 500, 750 mg / kg, the results shows the effectiveness of the current study, the aqueous extracts in the treatment of the parasites it turns out that the time required to kill the parasite suit inversely with the increasing concentration of extracts also show the efficiency of the aqueous extract of garlic bulbs and metronidazole concentration of 750 mg / kg in the treatment of 100% after 13 days of treatment with stops put bags of egg either concentration of 500 mg / kg of aqueous extracts garlic bulbs and metronidazole has shown the efficiency of treatment of by 100 % after 15 days of treatment showed, while the aqueous extract of pomegranate peel concentration 750 mg/kg therapeutic efficiency of 98.41% after 15 days of treatment, while the control group continued to launch until after the egg sacks (15) of treatment. The study shows histopathological section on the small intestine (duodenam, ileum, jejunum) Rats infection parasite get pathological changes represented by the crash of the villi of the small intestine and change epithelium from the vertical to the cube and the adhesion of some of the villi and gatherings of inflammatory cells in layer plate fitted, as well as for necrosis and desquamation of the cells lining the villi also destroyed gland and appeared egg sacks in the intestine result use 2x103 frome egg sacks also appeared effective abstract aqueous garlic in the intestinal tissue to restore its natural form after 15 day use concentration 750 mg/kg of aqueous extract of garlic bulbs and metronidazole while have taken normal sat to tissue treaement with aqueous pomegranate peel long than 15 day. test the effectiveness of aqueous extracts cold of garlic bulbs. Alluium sativum L. and peel pomegranate Punica granantum L in treatment parasite spores Cryptosporidum parvum and compared with the treatment of Metronidazole (Flagyl) in laboratory rats. Conducted on plant extracts cold of garlic and pomagranite the chemical tests have shown the presence of active substances of both alkaloids, carbohydrates, Flavonides, Alglycosidat, Alsaponyat, Alresins, phenolies

تاثير بعض العوامل البيئية والمايكروبايولوجية في تنقية مياه الشرب لمحطة المجمع السكني في قضاء الدور - محافظة صلاح الدين == Effect of Some Ecological And Microbiological Factors On Drinking Water Purification Plants In Al - Mugama Al - Sakany In Al - Dour City - Salahaldin

Author name: فخر الدين نور الدين رشيد الخفاف

Supervisor name: حميد سلمان خميس المهداوي

General topic: Biology

Specific topic: Aquatic Environment

Degree: Master

University: Tikrit University - College Of Education For Girls - Department Of Biology

Language: Arabic

University location: Salahaddin

First pages:

Abstract: تضمنت الدراسة جمع عينات شهرية من مياه نهر دجلة ومحطة مياه الشرب العائدة للمجمع السكني في الدور اخذت العينات من خمس محطات مختارة ابتداء من شهر تشرين الثاني 2007 ولغاية شهر تشرين الاول 2008 لغرض دراسة بعض العوامل الكيمياوية والفيزياوية والبايولوجية السائدة | This study was included collecting of monthly water samples from Tigris river and water purification plant in AL - Mugama AL - Sakany in AL - Dour, These samples were collected from five chosen locations, started from November 2007 until October 2008, To Study The dominance of some chemical, physical and Biological factors Through the year its effects on water purification plants in AL - Mugama AL - Sakany in AL - Dour. These factors included air and water temperature, Turbidity, Electrical conductivity, pH, dissolved Oxygen, BOD, Total alkalinity, Total hardness, Calcium and Magnesium hardness , Chloride reactive nitrite, nitrate phosphate and salinity as well as some Biological factors such as Total number of bacteria and diatoms during the study period. The results of this study shown that there was a seasonal variation in some chemical and physical factors. where the value of air temperature ranged between (3.5 - 40) C and water temperature ranged between (3.4 - 32.5) C.Turbidity value ranged from (2.2 - 22.94) NTU while electrical conductivity ranged between (320 - 590) µs / cm. The results also showed that the water in Tigris river was alkaline, where the pH value ranged between (7.08 - 7.98). and aeration. The avarices value of dissolved oxygen ranged between (3.5 - 10.2) mg/L and The BOD value never increase to critical value, its ranged between (1.58 - 2.37) mg /L salinity ranged between (0.110 - 0.305) mg/L while chloride concentration ranged between (21.78 - 23.82) mg / L. It has been found that total hardness ranged between (170 - 370) mg/L while total alkalinity for the five station ranged between (124.1 - 137.8) mg No2/ L while Micronutrients ranged from (0.388 - 0.449) mg / L and the value of nitrate ranged between (ND - 0. 598) mg No2/ L and (0. 65 - 122) mg Po4 / L. In General where we compare the monthly average for physical and chemical variation for Tigris water with standard world limits applied for grouping of surface water, we can consider the quality of Tigris water is good and suitable for uses as a source for drinking water by using traditional purification of water.While the results of study of Biological factors showed that the total number of bacteria for Tigris water was modularity clear and unsafe for drinking with out treatment include sterilization. High number of bacteria was found in station (1) during February 2008 when it reached (284) cell / ml and the lowest average recorded in station (5) at December 2007 when its reached (50) cell/ml. This study also shown that high number of diatoms were recorded in station (1) when its reached (46860) cell/L at December 2007 and the lowest number recorded in station (5) when it reached (236) cell / L at November 2007. It has been identifies (11) genus and sp. of diatom in this stations and there were :

تحديد مقاومة بعض الجراثيم المعزولة من اخماج في مستشفى تكريت التعليمي للمضادات الحيوية وعلاقتها بالبلازميدات == Determination The Antibiotic Resistance of The Some Isolated Bacteria From Tikrit Teaching Hospital Infections And Their Relationship With Plasmids

Author name: شيماء عبد محمد علي

Supervisor name: وعد محمود رؤوف | خالد عمر محمد علي

General topic: Biology

Specific topic: Microbiology

Degree: Master

University: Tikrit University - College Of Science - Department Of Biology

Language: Arabic

University location: Salahaddin

First pages:

Abstract: جمعت (140) عينة من المرضى الراقدين لثلاثة ايام فاكثر في مستشفى تكريت التعليمي للمدة من 1 - 8 - 2009 ولغاية 1 - 12 - 2009 بهدف تحديد العزلات الجرثومية الاكثر شيوعا ضمن اخماج مستشفى تكريت التعليمي ومقاومة هذه العزلات للمضادات الحيوية ودراسة العلاقة بين مقاو | One hundred fourti samples were collected from hospitalized patients for three days or more in the Tikrit Teaching Hospital during the period from 1/8/2009 until 1/12/2009 to determine the most commonly isolated bacterial from nosocomial infections in Tikrit Teaching Hospital and their resistance to antibiotics and to study the relationship between antibiotics resistance and plasmid content in the most commonly isolated bacteria and to evaluate the prevalence of these plasmids in the hospital environment. These samples include : (75) Urine, (28) stool, (28) of wound swabs and (9) sputum samples.The incidence of nosocomial infection was (45.7%) of them, urinary tract infections were (50.7%) from (75) samples, followed by wound infections (42.9%) from (28) samples, gastrointestinal infections (39.3%) from (28) samples then pneumonia (33.3%) from (9) samples the nosocomial infections were more common in females and age group 51 - 89 years. Different bacterial species were isolated in this study and the results showed that the most commonly isolated type was Citrobacter koseri in a proporation (21%) of urinary tract infections, followed by the following bacterial species : Escherichia coli (15.7%), Staphylococcus schleiferi (10.5%) , Staphylococcus epidermidis (7, 8%), Proteus vulgaris, Staphylococcus saprophytica, Klebsiella ozaenae, Klebsiella ornithindytica in aproportion (5.2%) for each, Enterobacter aerogenes, Providencia stuartii, Staphylococcus warneri, Staphylococcus aureus, Proteus mirabilis in aproportion (2.6%) for each.Citro. koseri were also the most common in wound infections (25%), followed by the following bacterial species : E.coli (16.6%), P.mirabilis (16.6%), Staph.schleiferi, P.vulgaris, Prov.stuartii and Prov.rettgeri in aproportion (8.3%) for each. Citro.koseri were also the most common in the gastrointestinal tract infections in a proporation (36.3%), followed by E.coli (18.1%), S.flexneri (18.1%), P.mirabilisc, Prov.stuartii, Prov.alcalifaciens in a proporation (9%) for each. . While Strept.pneumoniae was the most common(66.7%) in penemonia cases followed by K.pneumoniae (33.3%).The isolated bacteria were tested for antibiotics susceptibility and it has been found that most of these isolates showed high resistance to the studied antibiotics other than Prov. Stuartti was sensitive to all antibiotics except of Rifampicin and Tetracycline. As well as bacterial species belonging to the genus Staphylococcus were sensitive to Amikacin, Staph.aureus was also sensitive to Nitrofurantoin while Staph.warneri was also sensitive to Ciprofloxacin and Nitrofurantoin also Enterobacter aerogenes was resistant to all antibiotics except for Ciprofloxacin and Nitrofuratoin. Eleven of most commonly isolated bacteria which were multidrug resistant were chosen for the curing experiments using SDS to study the relationship of their plasmids with resistant to antibiotics. The results showed that the cured cells of E.coli lost their resistance to Tetracycline Ciprofloxacin and Cefotaxime which Citro.koseri lost their resistance to Tetracycline while K. ornithinolytica lost resistance to both antibiotics Tetracycline and Ciprofloxacin either P.mirabilis lost resistance only to tetracyclin as well as Strept.pneumoniae lost their resistance to Cefotaxime, tracycline and Ampicillin. Which may mean that the genes responsible for resistance to these antibiotics are located on plasmids as proven by the results of electrophoresis.Electrophoresis results also showed that all studied bacterial isolates had the same plasmid profile which may regarded as an epidemiological pointer that plasmids are conjugative which have the ability to transfer antibiotic resistance to other bacterial strains of the same species or to other different bacterial species.

تقييم بعض المؤشرات المـناعية للتفاعلات الالتهابيـة المتـرافقـة مـع الاصابة بطفيلي الاكياس المائية == Evaluation of Some Immunological Parameters Associated With Echinococcus Grunulosus Infection

Author name: حارث برع حسن علي الاوسي

Supervisor name: نغم ياسين كاظم البياتي

General topic: Biology

Specific topic: Life Science

Degree: Master

University: University of Diyala - College Of Education For Pure Sciences - Department Of Biology

Language: Arabic

University location: Diyala

First pages:

Abstract: اجريت الدراسة الحالية في محافظة ديالى وشملت الدراسة 184 عينة من الاشخاص الاكثر تعرضا للاصابة بمرض الاكياس المائية. وبعد الكشف تبين ان 16 منهم تاكدت اصابتهم بالاكياس المائية في كل من الكبد والرئتين (12, 4 مريضا على التوالي) وقد تم تسجيل بعض المعلومات من كل | The present study was carried out in Diyala province, and included 184 samples at risk of infection with hydatid cysts. The diagnosis obtained that there were 16 infectied individual with hydatid cysts in liver and lung (12, 4 patients, respectively). Some information were recorded for each individuals. The study included 24 healthy individuals as control. Immunological test was carried out for each group. The results obtained that the rate of infection was higher in female (4.9%) compared with male (3.8%). The highest rate of infection was in 31 - 40 and 41 - 50 age groups and there was no significant difference among age groups. According to occupation there was no significant difference and the student shepherds were not infected with hydatid cyst. When investigation of risk factor, the result showed that (3.26%) of infected individuals were contact with animals while those who eat vegetables were higher (5.43%). The liver was the first infected organ according to distribution of infection in body follow by lung with 75% and 25% respectively and there was no significant difference. According to cytokines, IL - 4, IL - 17A, MIP - 1?, IP - 10, the study were higher in infected individuals compared with non infected and there was significant difference at 0.001 p.value. There was no significant difference in means of IL - 4 and MIP - 1? in both sexes but there was significant difference in IL - 17A and IP - 10 between males and females. The study showed that there was significant difference in IL - 4 according to location of infection and it was higher in lung compared with liver. No significant difference in IL - 17A, MIP - 1?, IP - 10 was shown according to location of infection

تقييم نوعية مياه نهر الفرات (بين مدينتي الكفل والشنافية) وسط العراق == Assessment of Water Quality of Euphrates River (Between The Cities of Al - Kifl And Al - Shinafiyah) Iraq

Author name: دنيا باهل جدعان صلال الغانمي

Supervisor name: حسين يوسف خلف الركابي

General topic: Biology

Specific topic: Aquatic Environment

Degree: Doctorate

University: University of Al-Qadisiyah - Faculty Of Education - Department Of Biology

Language: Arabic

University location: Qadisiyah

First pages:

Abstract: اجريت الدراسة الحالية على جزء من بيئة نهر الفرات الممتد بين مدينتي الكفل والشنافية لمدة عام تقويمي من ايار 2013 ولغاية نيسان 2014 واختيرت اربعة مواقع مختلفة وموزعة على منطقة الدراسة شملت ثلاث محافظات هي : بابل - النجف - القادسية (الفرات الاوسط - العراق)، | The current study has applied on the Euphrates River for a full year from May 2013 until April 2014. Four sites selected along the river whithin three provinces; Babylon, Najaf, Al - Qadisiyah. Assessment of water quality done by using Canadian Council of Ministers of Environment (CCME) and Index of Biological Integrity (IBI) for the purpose of determining the validity and quality of its water for the General purpose and for Drinking and Irrigation.The physicochemical properties and biological (Phytoplankton) were studied during the study period. These properties were; temperature of the air and water, light penetration, electrical conductivity, salinity, turbidity, water current speed, total suspended and dissolved solids, dissolved oxygen, biochemical oxygen demand, chemical oxygen demand, carbon dioxide, total alkalinity, acidity, total hardness and ions of calcium, magnesium, sodium, potassium, and the sodium adsorption ratio, chlorides, sulfates, boron, nitrite, nitrate, phosphate, silica and some heavy metals such as cadmium, lead, zinc, copper, chromium, manganese in both phases : dissolved and particulate. results showed that the values of the physical and chemical factors ranged as follows : (7 - 47) C, (10 - 31) C, (14 - 177.5) cm, (1020 - 5600) µs/cm, (0.65 - 3.46) 0%, (0.07 - 129) NTU, (27.03 - 115.57) cm/s, (591 - 2985) mg/L and (0.001 - 0.128) mg/L, (7.04 - 8.8), (6 - 11.8) mg/L, (0.13 - 6.6) mg/L, (8.2 - 53) mg/L, (81.4 - 198) mg/L, (30 - 200) mg/L, (6 - 46) mg/L, (490 - 929.67) mg/L, (83.37 - 290.18) mg/L, (0.79 - 174.84) mg/L, (92.5 - 713) mg/L, (1.9 - 11.18) meq/L, (6 - 133) mg/L, (97.97 - 861.73) mg/L, (329 - 1040) mg/L (0.01 - 4.23) mg/L, (0.008 - 1.33) µg/l, (2.16 - 44.74) µg/L, (0.012 - 0.59) µg/L and (104 - 514) µg/L respectively.Concerning the heavy elements, the values of dissolved cadmium ranged between (undetectable - 0.075 mg/L) and it's particulate between (0.0043 - 0.2705) mg /L and dissolved lead between (undetectable - 0.0232 mg /L) and it's particulate between (0.0045 - 0.148) mg/L and dissolved zinc between (un - detectable - 0.0168 mg/L) and it's particulate between (0.0115 - 0.316 mg/L) and dissolved copper (undetectable - 0.0273 mg/L) and copper is particulate between (0.0062 - 0.063 mg /L) and dissolved chromium between (undetectable - 0.0193 mg/L) and the chromium is particulate between (0.0043 - 0.0449) mg/L and dissolved manganese (undetectable - 0.0256) mg/L and it's particulate between (0.0085 - 0.0739) mg/L.The biological tests include Qualitative and Quantitative Study on phytoplankton and also included calculating the total number of coliform way casting dishes by using the MacConkey Agar media.The number of diagnosed species of Phytoplankton was 295 species, belonging to 74 genera. The Diatoms Bacillariophyceae won the biggest part of it as it formed 160 species and 35 genera any rate (54.24%), followed by green algae (70 species belonging to 24 genera) and green algae (52 species belonging to 11 genera) then Euglenophyceae (10 species belonging to both sexes), while golden brown algae and algae Pyrrophyceae were less algal groups registered as belonging to the two single - sex. Some types of phytoplankton existed in most of the duration of the study, including Bacillaria paxillifera, Cocconies placentula, Cyclotella meneghiniana, Diatoma elongatum, Fragilaria virescence, Melosira ambigua, Synedra acus.The total number of phytoplankton is estimated between (104.9 - 4460.09) cell × 103/liter. An increase in the number of phytoplankton in July and January was observed clearly. The concentrations of chlorophyll - a were ranged between (0.0693 - 9.78 mg /L). While the total number of results for coliform were (5 - 281 × 103) cells/liter, The water quality of the evidence Account (Canadian model) using a number of physical, chemical and Biological properties. The results showed that the waters of the Euphrates are located within categories (Poor - Good) with respect to the public evidence of the quality of water of this river while it was located within categories (Poor - Acceptable) with respect to their use for drinking, While its use for irrigation purposes, it was clear that run river water data fall into two categories (Poor - Good). The results of the analysis of the main components Principal component Analysis (PCA) indicate that the nitrates and the total number of coliform and dissolved oxygen, phosphate, zinc, lead and Biological oxygen demand and pH are the biggest impact on the water quality of the index values of the variables of general purpose.These factors are responsible for the deviation index values, followed by turbidity and total hardness and electrical conductivity and temperature of the water, copper, chromium, and cadmium heat. But with the biggest impact of the index water quality factors for drinking purposes are chloride and electrical conductivity and total hardness, magnesium, turbidity and basal college, sodium, calcium, copper, sulfates, nitrates and coliform, zinc and dissolved oxygen, pH, manganese and lead followed by boron nitrite, cadmium, chromium and vital requirement for oxygen. While the chloride and conductivity electrical, the proportion of sodium, copper, zinc and adsorption of boron have greatest influence on the value of water quality index for irrigation, followed by manganese, cadmium, chromium, lead and pH.The phytoplankton index of Biotic Integrity (P - IBI) has been calculated using ten units including (relative abundance of green algae, green algae, pyrrophyta, Euglenophyta, Xanthophyta, Centralales, pennales, species richness index, the density of phytoplankton and chlorophyll a) The results showed that phytoplankton index of Biotic Integrity values ranging between (47 - 74) in the first position and (47 - 67) in the second location, and (45 - 76) in the third site and (45 - 71) in the fourth site. In other words, phytoplankton index of Biotic Integrity with estimating index (good - poor). The results showed the effectiveness of phytoplankton index of Biotic Integrity values in estimating the environmental changes.

التحديد الجزيئي لبعض عوامل الضراوة في بكتريا Klebsiella spp المعزولة من مصادر سريرية مختلفة == Molecular Identification of Some Virulence Factors In The Bacterium Klebsiella Spp Isolated From Different Clinical Sources

Author name: فرقد حسن فليح

Supervisor name: بهيجة عبيس حمود الخالدي

General topic: Biology

Specific topic: Microbiology

Degree: Master

University: University of Al-Qadisiyah - Faculty Of Education - Department Of Biology

Language: Arabic

University location: Qadisiyah

First pages:

Abstract: جمعت (150) عينة من المرضى المراجعين والراقدين في مستشفى الديوانية التعليمي والذين يعانون من اصابات مختلفة وللفترة من 1/كانون الاول/2013 ولغاية 1/نيسان /2014 وتضمنت هذه العينات ماياتي : (50) عينة حروق وجروح، (50) عينة ادرار و(50)عينة قشع من المرضى المراجعين | One hundred fifty samples were collected from patients admitted in Al - Diwaniyah Teaching Hospital and suffering from various injuries and for the period from 1 / December / 2013 and up to 1 / April / 2014 these samples in clude : (50) sample burns and wounds, (50) urine and (50) sputum.The results showed that 90 samples (60%) of the total number gave is positive result for the growth.the bacterial isolates were distributed among 35 samples (70%) of burns and wounds, (33) the sample (66%) from urine and (22) sample (44%) from sputum After biochemical and cultural test found that 99 isolate belonging to Different Genus and species of bacteria these isolates include 40 isolate (44.44%) bound and wound isolates Staphylococcus sp was the predoniant in these samples by rate (42.5%), 36 isolate(40%) E.coli was most isolate by rate 50% in urine sample and 23 (25.5%) Klebsiella pneumonia was the most common isolate by rate (78.26%) in these putum.. Sensitivity test results of antibiotics showed that most of the isolates have high resistance against antibiotics used in the study and the most isolates possess multiple resistance (Cross resistance) as shown resistance to most of antibiotics that used in these study. All asolates (% 100) were resistant to nitrofurantin and Tetracycline while(95%)is resistant to ampiciline (90%) of isolate were resistant to thired generation of cephalosporins (ciprofloxacin and ceftazidime) and (%80) of isolate wereresistant to gentamicin and impeneme, finely (%80)of isolate were resistant to azetroname..The results of the molecular detection of genes uge and mag A gene in Klebsiella sp in the 16 (50%) of the isolates had mag A as the 8 (44.44%) of the isolates bacteria K.pneumonia carrier of mag A and 8 isolates of type K.oxytoca had of the gene above the gene uge was his appearance in the proportion of isolates (46.87%) as it appeared in 9 (50%) of the isolates K.pneumonia and 6 isolates (42.87%) of the isolates k.oxytoca..There were relationship between resistance of bacteria to antibiotics and possession of these genes

Author name: اسراء جعفر صادق السعدي

Supervisor name: نصر فرحان عبد الله

General topic: Biology

Specific topic: zoology - Genetics

Degree: Master

University: University of Baghdad - Ibn Al-Haytham College Of Education For Pure Sciences - Department Of Biology

Language: Arabic

University location: Baghdad

First pages:

التاثير التثبيطي لبعض المستخلصات على فعالية انزيم Angiotensin converting enzyme وبعض المؤشرات الحيوية المساهمة في ارتفاع ضغط الدم == Inhibitory Effect of Some Plant Extracts On Angiotensin Converting Enzyme Activity And Some Biochemical Marker That Associated With Hypertension

Author name: رؤى اياد يوسف

Supervisor name: غازي منعم عزيز | حسن فياض

General topic: Biology

Specific topic: Biotechnologies

Degree: Master

University: University of Baghdad - College Of Science - Department Of Biotechnology

Language: English

University location: Baghdad

First pages:

Abstract: The present study was sought to investigate the inhibitory effect of four crude aqueous plant extracts : Zingiber officinale Roscoe (ginger), Camellia sinensis (Green tea), Olea europaea (Olive) and Hibiscus sabdariffa (Rosella) on key enzyme linked to hypertension, Angiontensin - I Converting enzyme (ACE), and on the oxidant/antioxidants status, lipid profile in vitro and in vivo studies. Study of some biochemical biomarker demonstrated that antioxidant enzyme, oxidant enzyme, liped profile and ACE level for 75 hypertension patients. Antioxidant enzymes superoxide dismutase (SOD) and glutathione peroxidase (GPx) were shown to have cross relationship with ACE level in hypertension groups, while lipid profile have positive relationship with ACE level in hypertension groups. ACE activity for the four groups G1, G2, G3, G4 were 19.61±3.97, 21.3 ± 1.95, 28.06 ± 5.34 and 32.74±8.19 ng/ml respectively. From these results we concluded that ACE was associated with hypertension and its modulated by drug or herbal extracts. Angiotensin - I Converting enzyme was extracted from sheep lung with specific activity 0.08 U/mg, then the crude ACE extract was concentrated with sucrose by dialysis with specific activity 0.1 U/mg, purification fold was 1.25.The enzyme was purified partly by ion - exchange chromatography using DEAE - cellulose with specific activity 0.5U/mg, yield 30% and purification fold 6.25. ACE activity was determined using N - [3 - (2 - furyl) acryloyl]L - phenylalanyl glycyl glycine (FA - PGG) as a substrate. Results for in vitro ACE inhibitory activity using plant extracts (ginger, green tea, roselle and olive) showed that the all four crude aqueous plant extracts had inhibitory activity in different values when used in the same concentrations about (1 mg/ml), and ginger extract possessed higher inhibitory activity than other three extracts. The ACE inhibitory potency of the ginger extract was found to be significant (P<0.001) when compared with the standard anti - ACE inhibitor drug (Captopril) at the same concentration. The inhibitory activity of ginger extract with different concentration (25, 50, 100 mg/kg) in L - N - ? - nitro - L - arginine methyl ester (L - NAME) induced hypertensive mice was evaluated. Acute oral administration with L - NAME 50mg/kg.b.w causes a rise in blood pressure in normal mice. Administration of aqueous ginger extract (25, 50 and 100 mg/kg) for 4 weeks in L - NAME treated mice significantly (P<0.05) reduced the mean arterial blood pressure compared with L - NAME animals without treatment, with decreasing the serum levels of ACE; while the activity of superoxide dismutase (SOD) and glutathione peroxidase(GPx) showed a significant elevation in ginger treated L - NAME induced hypertensive mice. The results suggest that ginger extract could prevent the development of high blood pressure induced by L - NAME probably can be attributed to prevent or reduce the oxidation process and the inhibition of physiological processes of a substance L - NAME and so as it contains ginger compounds of polyphenols, which inhibits the activity of the ACE and prevent oxidation of fats and repair System Antioxident. Our study concluded that ginger might act as a natural alternative to better and safer in the prevention of negative impacts and risk factors such as high blood pressure and lipids.

تاثير انزيم SNase المنقى من العنقودي في الغشاء الحياتي للايشيركية القولونية والكليبسيلا الرئوية == Impact of Snase Purified From Staphylococcus Aureus On Biofilm of Klebsiella Pneumoniae And Escherichia Coli

Author name: هند تحسين ابراهيم

Supervisor name: حارث جبار فهد المذخوري

General topic: Biology

Specific topic: Microbiology

Degree: Master

University: University of Baghdad

Language: English

University location: Baghdad

First pages:

Abstract: SDS - PAGE showed that a single sharp band with an approximately 16.8 KDa molecular weight has been seen. A matter indicates that the enzyme is consistently pure. PCR technique was applied to approve the existence of nuc gene in S.aureus Nevertheless, only those which depicted positive results on DNase agar harboured nuc gene, as it is specified by single band appearance of nuc at assumed molecular weight (ca. 255 pb) of marker that being used. The current study findings highlighted the participation of SNase purified from S. aureus in significant (P< 0.05) preventing biofilm formation by E. coli and K. pneumoniae compared with untreated controls. Evidently, the inhibitory effect of SNase on biofilm formation is undoubtedly perceived, indicating the degradation of the structural major component of biofilm formation (i.e. extracellular DNA). Results revealed that SNase was able to significantly (P< 0.05) reduce the number of the uropathogens; E. coli and K. pneumoniae attached to the uroepithelial cells. 1 Chapter one : Introduction and literature Review 1. Introduction and Literature Review 1.1. Introduction Staphylococcus aureus is a persistent human pathogen that is responsible for a range of diseases that vary widely in clinical presentation and severity. The pathogenesis of S. aureus infection is a complex process involving a diverse array of secreted and surface - associated virulence determinants that are coordinately expressed at different stages of infection (Loughman et al., 2009). Escherichia coli is a genetically diverse species that causes a variety of infections which fulfill many or all of the proposed criteria for biofilmassociated infections (Kaper et al., 2004). Klebsiella pneumoniae is an opportunistic pathogen responsible for a wide range of nosocomial infections. One important factor associated with virulence in K. pneumoniae is its capacity to adhere to surfaces and form biofilms (Cruz et al., 2012). Bacteria often exist as sessile communities called biofilms which are exquisite structures caused by a genetically programmed developmental process. It is estimated that biofilms are involved in 65% of human bacterial infections, since cells in biofilms are 1000 times more resistant than cells in the planktonic state, making medical treatments fail (Shal? et al., 2011). Extracellular DNA (eDNA) plays a significant role in biofilm formation, as revealed by studies in several bacteria including E. coli (Nakao, 2012) and K. pneumoniae (Whitchurch et al., 2002); however, there is no definite proof on a cause - and - effect relationship between DNA release and biofilm formation (Beenken et al., 2012) or becomes a key component of the macromolecular scaffold in many different biofilms (Jakubovics et al., 2013). In rare cases eDNA has been shown to inhibit bacterial settlement. Therefore, it is possible that nuclease mediated eDNA degradation would therefore promote adhesion. Consequently, it is not clear whether microbial nucleases contribute to the gross biofilm structure in clinically relevant situations (Sheilds et al., 2013). 2 Chapter one : Introduction and literature Review All previous studies used both commercial bovine and recombinant human DNaseI in the disruption of medically important biofilms; whilst, extracellular nuclease of S. aureus (SNase) was used against biofilm of S. aureus themselves (Benenken et al., 2012b ; Kiedrowski et al., 2014). Thus, to date, the role of S. aureus exonucleases in biofilm of other bacteria remains unclear. However, in the present study SNase is used against biofilm of other bacterial species (viz. K. pneumoniae and E. coli). To address this, the following steps were undertaken : 1 - Investigating the negative impact of SNase extracted from S. aureus on K. pneumoniae and E.coli biofilm formation. 2 - Studying the preventive activity of SNase on the adherence of K. pneumoniae and E. coli on uroepithelial cell.

Author name: سيف صبار كامل

Supervisor name: ناظم حسن حيدر

General topic: Biology

Specific topic: Biotechnologies

Degree: Master

University: University of Baghdad - College Of Science - Department Of Biotechnology

Language: English

University location: Baghdad

First pages:

Abstract: Phytoremediation is defined as the use of green plants to remove pollutants from the environment or to render them harmless. Phytoremediation process can be classified based on the contaminant fate as; Phytoextraction, Phytotransformation, Phytostabilization, Phytodegradation, Rhizofiltration. In this work, the phytoextraction process was employed. A piece of land in the Botanical Garden at the University of Baghdad with an area of 25 m2 was prepared to plant the barley plant. Then, seeds of barley of type "Samir", which is an Iraqi kind that suitable for cultivation in Iraq, have been seeded. For U and Cs experiments, soil was mixed with a limited quantity of each U isotope for three different concentrations; 152 Bq/kg, 95 Bq/kg and 81 Bq/kg and for Cs106.5 Bq/kg, 79 Bq/kg and51 Bq/kg. For NPK and Urea experiments, different concentrations were tested to establish the requirements of these experiments. The LB4100 - W counting system includes the most complete data analysis software package was used to measure and calculate the alpha and beta concentrations and subsequently the overall activity concentration of any studied sample. Samples were prepared by following the Indian Standard method. For U, the experiment achieved by dividing it into four groups that differ in the spent time of agriculture in contaminated and clean (reference) soils. The results illustrated that the phytoextracted of U with planted period in contaminated soil, which were 31, 50, 63, 34 days, were 36.22, 54.84, 76.24, and 66.30 Bq/kgm, respectively. However, the 4th group differs comparing with other groups in the spent time of cleaned soil, which was 73 days. For Cs experiments, the work grouped similar to U experiment. The results of Cs phytoextraction showed that the absorbed Cs were 54.34, 100.69 and 109.07 for spent times in contaminated soil; 23, 43 and 57 respectively. Furthermore, barley plant has significant ability to phytoextract U and good ability to phytoextract Cs for all the three different concentrations. Besides, the results illustrated that the increase in the planted time in contaminated soils led to increase the quantity of phytoextracted isotopes. The results of adding K fertilizer showed a decrease in the ability of barley to absorb U, while the addition of urea enhanced the ability of barley. Finally, the following conclusion can be drawn from the present study that : barley is a good tool to phytoextract Cs rather than U and the use of urea fertilizer is suitable for enhanced the phytoextraction process.