Determination of Capsule Types, Antibiotic Resistance Profiles and Phylogenetic Relationships of Group B Streptococcus Isolates Isolated from Patients Followed in Various Clinics and Polyclinics
In conclusion, it was thought that more studies should be conducted to show the prevalence of GBS capsule serotypes and patterns of antibiotic resistance.PMID:38263936 | DOI:10.5578/mb.20249901 (Source: Mikrobiyoloji Bulteni)
Source: Mikrobiyoloji Bulteni - January 24, 2024 Category: Microbiology Authors: Suna K ızılyıldırım T ülay Kandemir Berfin Sucu Fatih K öksal Source Type: research

Investigation of the Relationship Between Akkermansia Genomic Diversity in Gut Microbiota and Parkinson's Disease Dementia
This study was aimed to identify potential changes in Akkermansia within the gut microbiota of PD patients in Türkiye. For this purpose, shotgun metagenomics and a novel Akkermansia genus-specific amplicon sequencing technique was used to investigate the presence of specific Akkermansia strains associated with cognitive impairment (CI) stages in PD and to examine potential genes within these strains. In this context, four gut microbiota samples from Türkiye -three PD with dementia (PDD) and one healthy control without CI (HC)- were analyzed by shotgun metagenomics and metagenome-assembled genomes assigned to Akkermansia ...
Source: Mikrobiyoloji Bulteni - January 24, 2024 Category: Microbiology Authors: Muzaffer Ar ıkan Tu ğçe Kahraman Demir Zeynep Y ıldız Nesrin Helvac ı Yılmaz Aysu Şen L ütfü Hanoğlu S üleyman Yıldırım Source Type: research

Distribution of the Prevalence of Human Leukocyte Antigen (HLA)-B*57:01 Positivity in HIV-1 Infected Individuals and Its Effects on Treatment: T ürkiye Map-Buhasder Working Group
In this study, it was aimed to determine the prevalence of the HLA-B*57:01 genotype in HIV-infected patients who were followed up and treated in many regions of our country. This retrospective study consists of the data of the patients aged 18 years and over diagnosed with HIV-1 infection between 01.01.2019 and 31.07.2022. Age, gender, place of birth, mode of transmission of the disease, death status, CD4+ T cell count and HIV RNA levels at the first clinical presentation, HLA-B*57:01 positivity, and the method used, clinical stage of the disease, virological response time with the treatment they received were recorded fro...
Source: Mikrobiyoloji Bulteni - January 24, 2024 Category: Microbiology Authors: Seyit Ali B üyüktuna Caner Öksüz Alper Tahmaz Figen Sar ıgül Yıldırım Melda T ürken Özgür Günal Şeyma Topal Ali İrfan Baran Burak Sar ıkaya Semiha Çelik Ekinci Sel çuk Kaya Sevil Alkan Çeviker Adalet Aypak P ınar Yürük Atasoy Dilara Source Type: research

Investigation of Cryptococcus Colonization and Mating Genotype in Environmental Samples
In this study, various tree species (eucalyptus, olive and carob) in a total of seven regions in Mersin (Gülnar, Göksu, Narlıkuyu, Ayaş, Kızkalesi, and Tarsus) and Hatay provinces were examined to detect Cryptococcus species. The aim of this study was to determine the environmental distribution and sexual genotypes of Cryptococcus species in these regions. In the present study, samples were collected from a total of 750 trees, including olive, eucalyptus, and carob trees. The samples were incubated on Staib agar medium containing 0.1% biphenyl and 0.5% chloramphenicol. Colonies that formed brown pigment were identifie...
Source: Mikrobiyoloji Bulteni - January 24, 2024 Category: Microbiology Authors: Deniz Alkaya Engin Kaplan Çağrı Ergin Macit İlkit Aylin D öğen Source Type: research

Investigation of the Effect of Farnesol on Biofilm Formation by Candida albicans and Candida parapsilosis Complex Isolates
This study aimed to demonstrate the changes in the biofilm biomass of C.albicans and C.parapsilosis complex isolates in the presence of farnesol and reveal the expression of the EFG1 and BCR1 genes, which are believed to play a role in the production of QS molecules, using quantitative reverse transcriptase polymerase chain reaction (qRT-PCR) analysis. C.albicans (n= 91) and C.parapsilosis complex (n= 29) isolates obtained from different clinical samples were included in the study. The minimum inhibitory concentration (MIC) values of farnesol were determined using the broth microdilution method according to the M27-A3 prot...
Source: Mikrobiyoloji Bulteni - January 24, 2024 Category: Microbiology Authors: Berna Erdal Bensu Baylan Bahad ır Batar Ali Öztürk Birol Top çu Source Type: research

Investigation of the Antibacterial Effect of Taraxacum officinale Extracts Extracted in Different Solvents on Bacteroides fragilis ATCC 25285 Standard Strain by Broth Microdilution Method
In this study, it was aimed to determine the antibacterial activity of Taraxacum officinale extracts on Bacteroides fragilis ATCC 25285 standard strain by broth microdilution method and to pioneer different studies that will investigate the antibacterial effects of plant extracts on resistant B.fragilis strains that cause hospital-acquired opportunistic infections after invasive interventions and trauma. In this study, the T.officinale plant collected as a result of field work was divided into root, leaf and flower parts and dried at 70 °C for 24 hours and then turned into powder. Dried plant samples were extracted in eth...
Source: Mikrobiyoloji Bulteni - January 24, 2024 Category: Microbiology Authors: G ülşah Altan Fatma Budak Source Type: research

Investigation of the Inhibition Effect of Acanthamoeba Cell-Free Supernatants Against Pseudomonas aeruginosa
Mikrobiyol Bul. 2024 Jan;58(1):71-79. doi: 10.5578/mb.20249950.ABSTRACTFree-living amoebae belonging to the genus Acanthamoeba are microorganisms that live in air, soil and aquatic environments. In humans, they cause infections such as amoebic keratitis, graulamotous amoebic encephalitis that are difficult to treat and can be fatal. In addition, it is known that they contribute to the replication of bacteria and increase their pathogenicity by being a host for various bacteria. However, information on its inhibitory properties against bacteria and its production of antimicrobial agents is very limited. In this context, in ...
Source: Mikrobiyoloji Bulteni - January 24, 2024 Category: Microbiology Authors: Çise Kebabcı Zuhal Zeybek Source Type: research

A New Case of Fournier's Gangrene Caused by Actinotignum schaalii
In conclusion, it is thought that a significant proportion of A.schaalii infections may be overlooked due to the difficulty in growth and identification. Increasing the diagnostic power of clinical microbiology laboratories for poorly identified bacteria and renewing the databases of commercial identification systems are important for the early and accurate diagnosis and treatment of serious infections that may occur with such agents.PMID:38263943 | DOI:10.5578/mb.20249908 (Source: Mikrobiyoloji Bulteni)
Source: Mikrobiyoloji Bulteni - January 24, 2024 Category: Microbiology Authors: Hanife Tutan Cemil Kutsal Özlem Gül Elif Seren Tanr ıverdi Ay şe Barış Mehmet Emin Bulut Elif Akta ş Source Type: research

A Case Report of Monkeypox Disease in an Adolescent
Mikrobiyol Bul. 2024 Jan;58(1):89-95. doi: 10.5578/mb.20249909.ABSTRACTMonkeypox virus (MPXV) infection is a zoonotic disease characterized by smallpox-like rashes. It is endemic in Central and West Africa. The World Health Organization (WHO) declared the disease as an epidemic due to a significant increase in the number of reported cases, starting from Europe and spreading to other regions, particularly in certain areas, in May 2022. On July 23, 2022, it was recognized as a public health problem of international importance. Our country has also been affected by this epidemic, and the official number of reported cases is t...
Source: Mikrobiyoloji Bulteni - January 24, 2024 Category: Microbiology Authors: Leyla Be şel Önder Kılıçaslan Çiğdem Kırmacı Didem K ızmaz İsançlı Irmak Emre Adem Karbuz Source Type: research

Determination of Capsule Types, Antibiotic Resistance Profiles and Phylogenetic Relationships of Group B Streptococcus Isolates Isolated from Patients Followed in Various Clinics and Polyclinics
In conclusion, it was thought that more studies should be conducted to show the prevalence of GBS capsule serotypes and patterns of antibiotic resistance.PMID:38263936 | DOI:10.5578/mb.20249901 (Source: Mikrobiyoloji Bulteni)
Source: Mikrobiyoloji Bulteni - January 24, 2024 Category: Microbiology Authors: Suna K ızılyıldırım T ülay Kandemir Berfin Sucu Fatih K öksal Source Type: research

Investigation of the Relationship Between Akkermansia Genomic Diversity in Gut Microbiota and Parkinson's Disease Dementia
This study was aimed to identify potential changes in Akkermansia within the gut microbiota of PD patients in Türkiye. For this purpose, shotgun metagenomics and a novel Akkermansia genus-specific amplicon sequencing technique was used to investigate the presence of specific Akkermansia strains associated with cognitive impairment (CI) stages in PD and to examine potential genes within these strains. In this context, four gut microbiota samples from Türkiye -three PD with dementia (PDD) and one healthy control without CI (HC)- were analyzed by shotgun metagenomics and metagenome-assembled genomes assigned to Akkermansia ...
Source: Mikrobiyoloji Bulteni - January 24, 2024 Category: Microbiology Authors: Muzaffer Ar ıkan Tu ğçe Kahraman Demir Zeynep Y ıldız Nesrin Helvac ı Yılmaz Aysu Şen L ütfü Hanoğlu S üleyman Yıldırım Source Type: research

Distribution of the Prevalence of Human Leukocyte Antigen (HLA)-B*57:01 Positivity in HIV-1 Infected Individuals and Its Effects on Treatment: T ürkiye Map-Buhasder Working Group
In this study, it was aimed to determine the prevalence of the HLA-B*57:01 genotype in HIV-infected patients who were followed up and treated in many regions of our country. This retrospective study consists of the data of the patients aged 18 years and over diagnosed with HIV-1 infection between 01.01.2019 and 31.07.2022. Age, gender, place of birth, mode of transmission of the disease, death status, CD4+ T cell count and HIV RNA levels at the first clinical presentation, HLA-B*57:01 positivity, and the method used, clinical stage of the disease, virological response time with the treatment they received were recorded fro...
Source: Mikrobiyoloji Bulteni - January 24, 2024 Category: Microbiology Authors: Seyit Ali B üyüktuna Caner Öksüz Alper Tahmaz Figen Sar ıgül Yıldırım Melda T ürken Özgür Günal Şeyma Topal Ali İrfan Baran Burak Sar ıkaya Semiha Çelik Ekinci Sel çuk Kaya Sevil Alkan Çeviker Adalet Aypak P ınar Yürük Atasoy Dilara Source Type: research

Investigation of Cryptococcus Colonization and Mating Genotype in Environmental Samples
In this study, various tree species (eucalyptus, olive and carob) in a total of seven regions in Mersin (Gülnar, Göksu, Narlıkuyu, Ayaş, Kızkalesi, and Tarsus) and Hatay provinces were examined to detect Cryptococcus species. The aim of this study was to determine the environmental distribution and sexual genotypes of Cryptococcus species in these regions. In the present study, samples were collected from a total of 750 trees, including olive, eucalyptus, and carob trees. The samples were incubated on Staib agar medium containing 0.1% biphenyl and 0.5% chloramphenicol. Colonies that formed brown pigment were identifie...
Source: Mikrobiyoloji Bulteni - January 24, 2024 Category: Microbiology Authors: Deniz Alkaya Engin Kaplan Çağrı Ergin Macit İlkit Aylin D öğen Source Type: research

Investigation of the Effect of Farnesol on Biofilm Formation by Candida albicans and Candida parapsilosis Complex Isolates
This study aimed to demonstrate the changes in the biofilm biomass of C.albicans and C.parapsilosis complex isolates in the presence of farnesol and reveal the expression of the EFG1 and BCR1 genes, which are believed to play a role in the production of QS molecules, using quantitative reverse transcriptase polymerase chain reaction (qRT-PCR) analysis. C.albicans (n= 91) and C.parapsilosis complex (n= 29) isolates obtained from different clinical samples were included in the study. The minimum inhibitory concentration (MIC) values of farnesol were determined using the broth microdilution method according to the M27-A3 prot...
Source: Mikrobiyoloji Bulteni - January 24, 2024 Category: Microbiology Authors: Berna Erdal Bensu Baylan Bahad ır Batar Ali Öztürk Birol Top çu Source Type: research

Investigation of the Antibacterial Effect of Taraxacum officinale Extracts Extracted in Different Solvents on Bacteroides fragilis ATCC 25285 Standard Strain by Broth Microdilution Method
In this study, it was aimed to determine the antibacterial activity of Taraxacum officinale extracts on Bacteroides fragilis ATCC 25285 standard strain by broth microdilution method and to pioneer different studies that will investigate the antibacterial effects of plant extracts on resistant B.fragilis strains that cause hospital-acquired opportunistic infections after invasive interventions and trauma. In this study, the T.officinale plant collected as a result of field work was divided into root, leaf and flower parts and dried at 70 °C for 24 hours and then turned into powder. Dried plant samples were extracted in eth...
Source: Mikrobiyoloji Bulteni - January 24, 2024 Category: Microbiology Authors: G ülşah Altan Fatma Budak Source Type: research