Pub Date : 2023-12-09DOI: 10.18502/jmb.v11i3-4.14364
Hossein Esmaeili, Majid Sharifi, Faramarz Gharagozloo, Mahdi Vodjgani, M. Hamedi
Background: Infectious and non-infectious abortions are necessary to be evaluated in Saanen and Alpine breeds as they have been recently imported to Iran whith out enough information about their susceptibility to diseases in the country situation. The present study aimed to investigate the causes of abortion in Saanen and Alpine to compare their susceptibility to each identified abortion factor. Methods: A total of 600 Saanen and 600 Alpine breeds were studied. Abomasal contents of foeti and serum samples from aborted does were analyzed by PCR and conventional culture methods and beta-hydroxy butyrate was measured in the serum of aborted animals. Results: Among 1200 pregnant goats, 59 Saanens and 80 Alpines aborted their fetus. Escherichia coli was isolated from 4 Saanens and 3 Alpines. Trueperella pyogenes was isolated from 5 Saanens and 7 Alpines. Pregnancy toxemia was the cause of abortion in 12 Saanens and 30 Alpines which showed a significant difference between the two breeds. Six Saanens and 10 Alpines aborted their fetus following trauma. Conclusion: As abortion is an economically important issue, especially for the breeds which we have less information about, the susceptibility of animals and the frequency of each abortifacient should be evaluated.
{"title":"Infectious and Non-infectious Causes of Abortion in Saanen and Alpine Goats","authors":"Hossein Esmaeili, Majid Sharifi, Faramarz Gharagozloo, Mahdi Vodjgani, M. Hamedi","doi":"10.18502/jmb.v11i3-4.14364","DOIUrl":"https://doi.org/10.18502/jmb.v11i3-4.14364","url":null,"abstract":"Background: Infectious and non-infectious abortions are necessary to be evaluated in Saanen and Alpine breeds as they have been recently imported to Iran whith out enough information about their susceptibility to diseases in the country situation. The present study aimed to investigate the causes of abortion in Saanen and Alpine to compare their susceptibility to each identified abortion factor. \u0000Methods: A total of 600 Saanen and 600 Alpine breeds were studied. Abomasal contents of foeti and serum samples from aborted does were analyzed by PCR and conventional culture methods and beta-hydroxy butyrate was measured in the serum of aborted animals. \u0000Results: Among 1200 pregnant goats, 59 Saanens and 80 Alpines aborted their fetus. Escherichia coli was isolated from 4 Saanens and 3 Alpines. Trueperella pyogenes was isolated from 5 Saanens and 7 Alpines. Pregnancy toxemia was the cause of abortion in 12 Saanens and 30 Alpines which showed a significant difference between the two breeds. Six Saanens and 10 Alpines aborted their fetus following trauma. \u0000Conclusion: As abortion is an economically important issue, especially for the breeds which we have less information about, the susceptibility of animals and the frequency of each abortifacient should be evaluated.","PeriodicalId":30437,"journal":{"name":"Journal of Medical Bacteriology","volume":"5 12","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138586025","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}
Pub Date : 2023-12-09DOI: 10.18502/jmb.v11i3-4.14368
F. K. Dermani, Hamid Sadeghi, Fatemeh Samiee-Rad, Saeideh Gholamzadeh Khoei
Cancer is now one of the major causes of death across the globe. Peptidylprolyl cis/trans isomerase, NIMA-interacting 1 (PIN1), has recently emerged as a critical factor in various cancers. Numerous studies have shown that PIN1 is highly expressed in several cancer types and is significantly associated with the prognosis of patients with a certain type of tumor such as gastric cancer. Meanwhile, some studies have indicated that infection with Helicobacter pylori significantly increases the risk of developing duodenal and gastric ulcer disease and gastric cancer. In this article, we propose that PIN1 can play a vital role in the prognosis of Helicobacter pylori infection-associated with peptic ulcer disease and can be effective in order to provide the best cure and the choice for treatment.
{"title":"PIN1 as a Predictive Biomarker for H. pylori Infection–Associated Gastric Cancer","authors":"F. K. Dermani, Hamid Sadeghi, Fatemeh Samiee-Rad, Saeideh Gholamzadeh Khoei","doi":"10.18502/jmb.v11i3-4.14368","DOIUrl":"https://doi.org/10.18502/jmb.v11i3-4.14368","url":null,"abstract":"Cancer is now one of the major causes of death across the globe. Peptidylprolyl cis/trans isomerase, NIMA-interacting 1 (PIN1), has recently emerged as a critical factor in various cancers. Numerous studies have shown that PIN1 is highly expressed in several cancer types and is significantly associated with the prognosis of patients with a certain type of tumor such as gastric cancer. Meanwhile, some studies have indicated that infection with Helicobacter pylori significantly increases the risk of developing duodenal and gastric ulcer disease and gastric cancer. In this article, we propose that PIN1 can play a vital role in the prognosis of Helicobacter pylori infection-associated with peptic ulcer disease and can be effective in order to provide the best cure and the choice for treatment.","PeriodicalId":30437,"journal":{"name":"Journal of Medical Bacteriology","volume":"9 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138585796","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}
Background: Pyelonephritis in children is a serious condition that is commonly encountered in clinical practice. Urinary tract abnormalities increase the risk of urinary tract infections (UTIs) and consequently antibiotic resistance. Our study aimed to evaluate the local trend in terms of bacterial uropathogen resistance in Babol, Iran, in children with pyelonephritis considering urinary tract abnormalities. Methods: We recruited pediatric cases aged 1 month to 18 years who were admitted to Amirkola hospital with a diagnosis of pyelonephritis from 2016 to 2019. Children with negative urine cultures or incomplete imaging were excluded from the study. Causative agents were identified based on biochemical features. Antimicrobial in vitro resistance tests were performed using the disk diffusion agar test. Results: A total of 105 children were included in the study. E. coli was the most common causative agent found in 93 (88.6%) patients. Most of the bacterial isolates were sensitive to amikacin and imipenem, and only 12.4% and 13.3% of isolates were resistant to this antibiotic. On the other hand, nalidixic acid represented the least effective treatment, with a resistance rate of 88.6%. A statistically significant difference was observed in resistance to nitrofurantoin and nalidixic acid between children with and without anomalies (p < 0.05). Conclusion: High antibiotic resistance, especially in children with urinary tract anomalies, was identified for frequently used antibiotics. Our findings provide important implications regarding local patterns of uropathogens and antibiotic resistance in children with pyelonephritis.
{"title":"Bacterial Agents and Antibiotic Resistance Profile in Pyelonephritis; A Comparison between Children with and without Urinary Tract Abnormalities in the North of Iran","authors":"Hadi Sorkhi, Niloofar Esmaeilzadeh, Mahmood Hajiahmadi, Peyman Hendizadeh, Abazar Pournajaf, Mohsen Mohammadi","doi":"10.18502/jmb.v11i3-4.14366","DOIUrl":"https://doi.org/10.18502/jmb.v11i3-4.14366","url":null,"abstract":"Background: Pyelonephritis in children is a serious condition that is commonly encountered in clinical practice. Urinary tract abnormalities increase the risk of urinary tract infections (UTIs) and consequently antibiotic resistance. Our study aimed to evaluate the local trend in terms of bacterial uropathogen resistance in Babol, Iran, in children with pyelonephritis considering urinary tract abnormalities. \u0000Methods: We recruited pediatric cases aged 1 month to 18 years who were admitted to Amirkola hospital with a diagnosis of pyelonephritis from 2016 to 2019. Children with negative urine cultures or incomplete imaging were excluded from the study. Causative agents were identified based on biochemical features. Antimicrobial in vitro resistance tests were performed using the disk diffusion agar test. \u0000Results: A total of 105 children were included in the study. E. coli was the most common causative agent found in 93 (88.6%) patients. Most of the bacterial isolates were sensitive to amikacin and imipenem, and only 12.4% and 13.3% of isolates were resistant to this antibiotic. On the other hand, nalidixic acid represented the least effective treatment, with a resistance rate of 88.6%. A statistically significant difference was observed in resistance to nitrofurantoin and nalidixic acid between children with and without anomalies (p < 0.05). \u0000Conclusion: High antibiotic resistance, especially in children with urinary tract anomalies, was identified for frequently used antibiotics. Our findings provide important implications regarding local patterns of uropathogens and antibiotic resistance in children with pyelonephritis.","PeriodicalId":30437,"journal":{"name":"Journal of Medical Bacteriology","volume":"2 6","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138585185","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}
Pub Date : 2023-12-09DOI: 10.18502/jmb.v11i1-2.14370
S. S. Shamsi, Khadija M. Ahmad, A. A. Elzen
Background: B. cepacia complex (Bcc) is an emerging pathogenic organism that can cause many nosocomial infections among hospitalized patients. Inadequate laboratory facilities for B. cepacia complex detection and subsequently inappropriate treatment are considered a major cause for poor therapy outcomes. Methods: This project was aimed to investigate phenotype production of ESBL, AmpC, and Carbapenemase among 47 B. cepacia complex isolated from different Sebha health care facilities. Results: Our data showed that 44.68% were ESBL producers, 57.44% were AmpC producers, while only 29.78% produced carbapenemase. In this study, antibiotics susceptibility of Bcc isolates was variable, 100 % resistant to Ticarcillin/clavulanic acid, 85 % resistant to sulfamethoxazoletrimethoprim, 76 % resistant to Ticarcillin/clavulanic Chloramphenicol, 57 % to Ceftazidime, and 55 % to Tetracyclines, 44% to Ciprofloxacin and 31% to Meropenem. Conclusion: In conclusion, this study shows that Bcc species have a higher resistance level attributed to several mechanisms. This high resistance needs careful antimicrobial prescribing regulations, and urgent implementation of infection prevention control is necessary.
{"title":"Antibiotics Resistance among Nosocomial Burkholderia cepacia Isolates Detected in Sebha, Libya","authors":"S. S. Shamsi, Khadija M. Ahmad, A. A. Elzen","doi":"10.18502/jmb.v11i1-2.14370","DOIUrl":"https://doi.org/10.18502/jmb.v11i1-2.14370","url":null,"abstract":"Background: B. cepacia complex (Bcc) is an emerging pathogenic organism that can cause many nosocomial infections among hospitalized patients. Inadequate laboratory facilities for B. cepacia complex detection and subsequently inappropriate treatment are considered a major cause for poor therapy outcomes. \u0000Methods: This project was aimed to investigate phenotype production of ESBL, AmpC, and Carbapenemase among 47 B. cepacia complex isolated from different Sebha health care facilities. \u0000Results: Our data showed that 44.68% were ESBL producers, 57.44% were AmpC producers, while only 29.78% produced carbapenemase. In this study, antibiotics susceptibility of Bcc isolates was variable, 100 % resistant to Ticarcillin/clavulanic acid, 85 % resistant to sulfamethoxazoletrimethoprim, 76 % resistant to Ticarcillin/clavulanic Chloramphenicol, 57 % to Ceftazidime, and 55 % to Tetracyclines, 44% to Ciprofloxacin and 31% to Meropenem. \u0000Conclusion: In conclusion, this study shows that Bcc species have a higher resistance level attributed to several mechanisms. This high resistance needs careful antimicrobial prescribing regulations, and urgent implementation of infection prevention control is necessary.","PeriodicalId":30437,"journal":{"name":"Journal of Medical Bacteriology","volume":"6 7","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138585548","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}
Pub Date : 2023-12-09DOI: 10.18502/jmb.v11i5-6.14359
H. Khajeh, Bahman Fazeli-Nasab, Ali Reza Mirzaei, Hadiseh Farzanfar
Background: The article aim was biosynthesis of zinc nanoparticles by the fruit and stem of Capparis Spinosa plant extract and the investigation of growth factors and some physiological properties of the M. Oleifera plant. Methods: Four levels of zinc nanoparticles (0, 125, 250, and 500) ppm were considered as treatments. Water extract of the Capparis Spinosa plant were obtained using 10 grams of stem and fruit were separately dried. Some properties like below information were measured: Ultraviolet-visible spectroscopic analysis, Infrared spectroscopy, Measurement of chlorophyll a and b and carotenoids, total phenol, antioxidant activity, total protein and antioxidant enzymes. The data of this research were factorially conducted in the form of completely randomized blocks with three replications. Results: The effect of zinc nanoparticles on growth parameters shows that the length and weight of the shoot and root are significant at the five percent probability level. Also, the length and dry weight of shoots and roots are significant at the five percent probability level. The effect of zinc nanoparticles on the concentration of chlorophyll a, chlorophyll b and carbohydrates is significant at the five percent probability level. The main effect of zinc nanoparticles on the amount of total phenol, flavonoid, and DPPH of the M. Oleifera medicinal plant was significant. The effect of stem and fruit extract of zinc nanoparticles on the amount of ascorbate peroxidase, catalase, and guaiacol oxidase enzymes. Conclusion: The results showed that nano made from fruit and stem significantly increases root length, protein content and total phenol content, and activity of catalase and ascorbate peroxidase enzymes.
{"title":"Biosynthesis of Zinc Nanoparticles of Capparis Spinosa Plant Extract and the it’s Investigation on Morhpophysiological Properties of the Moringa Olifera Plant","authors":"H. Khajeh, Bahman Fazeli-Nasab, Ali Reza Mirzaei, Hadiseh Farzanfar","doi":"10.18502/jmb.v11i5-6.14359","DOIUrl":"https://doi.org/10.18502/jmb.v11i5-6.14359","url":null,"abstract":"Background: The article aim was biosynthesis of zinc nanoparticles by the fruit and stem of Capparis Spinosa plant extract and the investigation of growth factors and some physiological properties of the M. Oleifera plant. \u0000Methods: Four levels of zinc nanoparticles (0, 125, 250, and 500) ppm were considered as treatments. Water extract of the Capparis Spinosa plant were obtained using 10 grams of stem and fruit were separately dried. Some properties like below information were measured: Ultraviolet-visible spectroscopic analysis, Infrared spectroscopy, Measurement of chlorophyll a and b and carotenoids, total phenol, antioxidant activity, total protein and antioxidant enzymes. The data of this research were factorially conducted in the form of completely randomized blocks with three replications. \u0000Results: The effect of zinc nanoparticles on growth parameters shows that the length and weight of the shoot and root are significant at the five percent probability level. Also, the length and dry weight of shoots and roots are significant at the five percent probability level. The effect of zinc nanoparticles on the concentration of chlorophyll a, chlorophyll b and carbohydrates is significant at the five percent probability level. The main effect of zinc nanoparticles on the amount of total phenol, flavonoid, and DPPH of the M. Oleifera medicinal plant was significant. The effect of stem and fruit extract of zinc nanoparticles on the amount of ascorbate peroxidase, catalase, and guaiacol oxidase enzymes. \u0000Conclusion: The results showed that nano made from fruit and stem significantly increases root length, protein content and total phenol content, and activity of catalase and ascorbate peroxidase enzymes.","PeriodicalId":30437,"journal":{"name":"Journal of Medical Bacteriology","volume":"3 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138585908","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}
Pub Date : 2023-12-09DOI: 10.18502/jmb.v11i1-2.14373
Elahe Derakhshan-Nezhad
Background: Respiratory tract infections (RTIs) are considered as one of the most important causes of morbidity and mortality, worldwide. A wide variety of bacteria and viruses are responsible for the development of RTIs. Considering the importance of respiratory tract infections, this study aimed to provide an overview of the most important respiratory tract infections and inflammations of bacterial origin and their etiologies. Results: A literature review was conducted to find original studies associated with respiratory infections. Articles that provided evidence on respiratory tract infections as well as their clinical manifestations and etiologies were included in this research. Conclusion: Considering the importance and economic burden of respiratory tract infections as well as their diversity and widespread prevalence in different communities, it is necessary to implement preventive measures at the national level to control and deal with respiratory diseases with high prevalence in all age groups, in addition to observing the principles of health and hygiene.
{"title":"An Overview of Bacterial Respiratory Tract Infections and their Etiologies","authors":"Elahe Derakhshan-Nezhad","doi":"10.18502/jmb.v11i1-2.14373","DOIUrl":"https://doi.org/10.18502/jmb.v11i1-2.14373","url":null,"abstract":"Background: Respiratory tract infections (RTIs) are considered as one of the most important causes of morbidity and mortality, worldwide. A wide variety of bacteria and viruses are responsible for the development of RTIs. Considering the importance of respiratory tract infections, this study aimed to provide an overview of the most important respiratory tract infections and inflammations of bacterial origin and their etiologies. \u0000Results: A literature review was conducted to find original studies associated with respiratory infections. Articles that provided evidence on respiratory tract infections as well as their clinical manifestations and etiologies were included in this research. \u0000Conclusion: Considering the importance and economic burden of respiratory tract infections as well as their diversity and widespread prevalence in different communities, it is necessary to implement preventive measures at the national level to control and deal with respiratory diseases with high prevalence in all age groups, in addition to observing the principles of health and hygiene.","PeriodicalId":30437,"journal":{"name":"Journal of Medical Bacteriology","volume":"7 7","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138586188","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}
Pub Date : 2023-12-09DOI: 10.18502/jmb.v11i5-6.14358
Hossein Esmaeili, Mohammad Mahdi Safari, M. Hamedi
Background: Neonatal mortality is a significant multifactorial problem that affects flock productivity. Different infectious and non-infectious factors have been attributed to lamb losses. The objective of the present study was to identify the major causes of neonatal mortality. Methods: In a 3-months period, 114 Lacaune breed lambs died of which 52 animals were lost with clinical signs of infection. Heart and lung samples were collected and transmitted to the laboratory. Microbiological cultures following biochemical tests were conducted to identify bacterial infection of the lambs. Results: A total of 52 out of 114 lambs (45.6%) were infected with bacteria. The bacteria including Escherichia coli (30.8%), Proteus mirabilis (19.2%), Pasteurella multocida (1.5%), Corynebacterium pseudotuberculosis (7.7%), Mannheimia haemolytica (3.9%), Staphylococcus epidermidis (1.9%) were isolated. The role of the identified pathogens was more significant in lamb death compared to noninfection causes. Diarrhea was the most euoitcefni disease followed by septicemia and pneumonia. Escherichia coli was isolated significantly more than other bacterial agents (30.8%). Conclusion: The present findings showed Escherichia coli as the most common pathogen leading to lamb losses in the first two weeks of life. ciieigyeiuet practice which encompasses both environment and milking equipment, periodical flaming, and providing dry and clean bedding can dramatically decrease the infection among uiobfeu animals. Reduction of the birth density and avoiding synchronization until the expert and labor capacity has reached the optimal level are necessary actions to reduce infectious diseases.
{"title":"Causes of Lamb Mortality in the Lacaune Sheep Breed in Iran","authors":"Hossein Esmaeili, Mohammad Mahdi Safari, M. Hamedi","doi":"10.18502/jmb.v11i5-6.14358","DOIUrl":"https://doi.org/10.18502/jmb.v11i5-6.14358","url":null,"abstract":"Background: Neonatal mortality is a significant multifactorial problem that affects flock productivity. Different infectious and non-infectious factors have been attributed to lamb losses. The objective of the present study was to identify the major causes of neonatal mortality. \u0000Methods: In a 3-months period, 114 Lacaune breed lambs died of which 52 animals were lost with clinical signs of infection. Heart and lung samples were collected and transmitted to the laboratory. Microbiological cultures following biochemical tests were conducted to identify bacterial infection of the lambs. \u0000Results: A total of 52 out of 114 lambs (45.6%) were infected with bacteria. The bacteria including Escherichia coli (30.8%), Proteus mirabilis (19.2%), Pasteurella multocida (1.5%), Corynebacterium pseudotuberculosis (7.7%), Mannheimia haemolytica (3.9%), Staphylococcus epidermidis (1.9%) were isolated. The role of the identified pathogens was more significant in lamb death compared to noninfection causes. Diarrhea was the most euoitcefni disease followed by septicemia and pneumonia. Escherichia coli was isolated significantly more than other bacterial agents (30.8%). \u0000Conclusion: The present findings showed Escherichia coli as the most common pathogen leading to lamb losses in the first two weeks of life. ciieigyeiuet practice which encompasses both environment and milking equipment, periodical flaming, and providing dry and clean bedding can dramatically decrease the infection among uiobfeu animals. Reduction of the birth density and avoiding synchronization until the expert and labor capacity has reached the optimal level are necessary actions to reduce infectious diseases.","PeriodicalId":30437,"journal":{"name":"Journal of Medical Bacteriology","volume":"3 9","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138585678","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}
Background: Brucellosis is one of the most prevalent and common diseases between humans and animals.Prompt diagnosis and timely treatment of this disease can prevent many complications. In this regard, this study aims to comparatively evaluate ELISA, PCR and serological methods to identify Brucella abortus. Methods: In this study, the serum of 100 patients referred to Tonekabon private laboratory from July 2020 to January 2021 was examined by PCR, ELISA and Wright, Coombs Wright, and 2ME methods for the detection of Brucella abortus. Results: In this study, the mean age of the sample was 43.3 ± 18.2 of which 21% were infected with Brucella abortus according to the above serological methods. According to ELISA test, 22% of the samples were IgM, 6% of the samples were IgG and 16% were PCR positive. Kappa agreement coefficient in Wright and Coombs Wright test and 2me were significant (P <0.001). Serological diagnostic indices and ELISA sensitivity were 68.75% and 68.75%, respectively. The lowest prediction rate of Brucella abortus among diagnostic methods was related to Elisa (IgM). Based on Fisher's exact test, there was no significant relationship between the percentage of Brucella abortus positive PCR cases and age, sex, previous history of infection with Brucella, fever, body aches and dairy consumption. Conclusion: Based on the results of our study, the accuracy of all methods is comparative and the lowest accuracy is related to Elisa (IgM) which has a lower level of predictability than other methods. The highest level of prediction belonged to Wright and 2me tests.
{"title":"Comparative Evaluation of Serological, ELISA and Molecular Tests in Diagnosis of Brucella abortus in Human Serum","authors":"Fereshteh Ghanbari, Haniyeh Bashi Zadeh Fakhar, Saeed Alamian, Babak Shaghaghi","doi":"10.18502/jmb.v11i5-6.14361","DOIUrl":"https://doi.org/10.18502/jmb.v11i5-6.14361","url":null,"abstract":"Background: Brucellosis is one of the most prevalent and common diseases between humans and animals.Prompt diagnosis and timely treatment of this disease can prevent many complications. In this regard, this study aims to comparatively evaluate ELISA, PCR and serological methods to identify Brucella abortus. \u0000Methods: In this study, the serum of 100 patients referred to Tonekabon private laboratory from July 2020 to January 2021 was examined by PCR, ELISA and Wright, Coombs Wright, and 2ME methods for the detection of Brucella abortus. \u0000Results: In this study, the mean age of the sample was 43.3 ± 18.2 of which 21% were infected with Brucella abortus according to the above serological methods. According to ELISA test, 22% of the samples were IgM, 6% of the samples were IgG and 16% were PCR positive. Kappa agreement coefficient in Wright and Coombs Wright test and 2me were significant (P <0.001). Serological diagnostic indices and ELISA sensitivity were 68.75% and 68.75%, respectively. The lowest prediction rate of Brucella abortus among diagnostic methods was related to Elisa (IgM). Based on Fisher's exact test, there was no significant relationship between the percentage of Brucella abortus positive PCR cases and age, sex, previous history of infection with Brucella, fever, body aches and dairy consumption. \u0000Conclusion: Based on the results of our study, the accuracy of all methods is comparative and the lowest accuracy is related to Elisa (IgM) which has a lower level of predictability than other methods. The highest level of prediction belonged to Wright and 2me tests.","PeriodicalId":30437,"journal":{"name":"Journal of Medical Bacteriology","volume":"290 ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138983286","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}
Pub Date : 2016-08-23DOI: 10.4172/2157-7110.C1.045
M. Zamfir
Lactic acid bacteria (LAB) isolated from different plant-origin materials were screened for their ability to produce exopolysaccharides (EPS). The taxonomic affiliation of the EPS-producing strains was determined on the basis of their 16S rRNA sequences. Nine of the 146 tested strains have been shown to produce EPS in MRS medium with sucrose, all belonging to Leuconostoc mesenteroides species. One strain, namely L. mesenteroides 109, has been shown to produce large amounts of EPS, of about 19 g/L. All isolated EPS have a high molecular mass, of above 1400 kDa, and a monomer composition dominated by the presence of glucose. The rheological properties and the EPS production in different growth media were studied for four LAB strains producing high amounts of EPS, L. mesenteroides 109, 112, 124, 127, and one strain, namely Weissella cibaria 120, which was not able to produce EPS when grown in MRS with sucrose. Among the EPS producing strains, the most promising one regarding the potential application in the food industry is L. mesenteroides 109, as it produces considerable amounts of EPS (over 25 g/l), together with a high viscosity (over 2400 mPa s) in soy milk supplemented with sucrose.
{"title":"Physicochemical and rheological properties of some exopolysaccharides produced by lactic acid bacteria isolated from plant origin materials","authors":"M. Zamfir","doi":"10.4172/2157-7110.C1.045","DOIUrl":"https://doi.org/10.4172/2157-7110.C1.045","url":null,"abstract":"Lactic acid bacteria (LAB) isolated from different plant-origin materials were screened for their ability to produce exopolysaccharides (EPS). The taxonomic affiliation of the EPS-producing strains was determined on the basis of their 16S rRNA sequences. Nine of the 146 tested strains have been shown to produce EPS in MRS medium with sucrose, all belonging to Leuconostoc mesenteroides species. One strain, namely L. mesenteroides 109, has been shown to produce large amounts of EPS, of about 19 g/L. All isolated EPS have a high molecular mass, of above 1400 kDa, and a monomer composition dominated by the presence of glucose. The rheological properties and the EPS production in different growth media were studied for four LAB strains producing high amounts of EPS, L. mesenteroides 109, 112, 124, 127, and one strain, namely Weissella cibaria 120, which was not able to produce EPS when grown in MRS with sucrose. Among the EPS producing strains, the most promising one regarding the potential application in the food industry is L. mesenteroides 109, as it produces considerable amounts of EPS (over 25 g/l), together with a high viscosity (over 2400 mPa s) in soy milk supplemented with sucrose.","PeriodicalId":30437,"journal":{"name":"Journal of Medical Bacteriology","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2016-08-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"70344888","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}
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