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Artykuły w czasopismach na temat „Streptococcus agalactiae biotype number”

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Data publikacji: 3 czerwca 2025
Data aktualizacji: 31 lipca 2025

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1

Trivedi, Mahendra Kumar, Alice Branton, Dahryn Trivedi, et al. "Effect of Biofield Energy Treatment on Streptococcus group B: A Postpartum Pathogen." Journal of Microbial & Biochemical Technology 7, no. 5 (2015): 269–73. https://doi.org/10.4172/1948-5948.1000223.

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Streptococcus agalactiae group B (S. agalactiae gr. B) is widespread in nature mainly causes bacterial septicemia and neonatal meningitis. The current study was attempted to investigate the effect of biofield treatment on S. agalactiae gr. B with respect of antimicrobial sensitivity, biochemical reactions and bio typing. S. agalactiae gr. B strain was used in this experiment bearing the American Type Culture Collection (ATCC 12386) number and stored according to the recommended storage protocol. The revived and lyophilized state of ATCC strains of S. agalactiae gr. B were selected for the stud
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Trivedi, Mahendra Kumar, Alice Branton, Dahryn Trivedi, et al. "Effect of Biofield Energy Treatment on Streptococcus group B: A Postpartum Pathogen." Journal of Microbial & Biochemical Technology 7, no. 5 (2015): 269–73. https://doi.org/10.5281/zenodo.167155.

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Streptococcus agalactiae group B (S. agalactiae gr. B) is widespread in nature mainly causes bacterial septicemia and neonatal meningitis. The current study was attempted to investigate the effect of biofield treatment on S. agalactiae gr. B with respect of antimicrobial sensitivity, biochemical reactions and bio typing. S. agalactiae gr. B strain was used in this experiment bearing the American Type Culture Collection (ATCC 12386) number and stored according to the recommended storage protocol. The revived and lyophilized state of ATCC strains of S. agalactiae gr. B were selected for the stud
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Zhabchenko, I. A., V. K. Lihachov, I. S. Lishchenko, O. M. Bondarenko, and T. M. Kovalenko. "Modern possibilities of correcting violations of the vaginal biotope in pregnant women at risk in wartime conditions." REPRODUCTIVE ENDOCRINOLOGY, no. 69 (September 29, 2023): 30–35. http://dx.doi.org/10.18370/2309-4117.2023.69.30-35.

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Research objective: to determine the effectiveness of a complex local preparation with antiseptic action based on octenidine and repair agent dexpanthenol (Prodexyn) in the syndrome of abnormal vaginal discharge (AVD) in pregnant women with obstetric pathology during the gestation and in the sanitation of the birth canal on the eve of childbirth.
 Materials and methods. 49 pregnant women were examined and divided into 2 groups: group I – 21 women (including 6 pregnant women with the status of internally displaced persons (IDPs)) with AVD in the period of 14–36 weeks of pregnancy; group II
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Kamble, Manoj Tukaram, Wenresti Gallardo, Krishna Rugmini Salin, et al. "Effect of Moringa oleifera Leaf Extract on the Growth Performance, Hematology, Innate Immunity, and Disease Resistance of Nile Tilapia (Oreochromis niloticus) against Streptococcus agalactiae Biotype 2." Animals 14, no. 6 (2024): 953. http://dx.doi.org/10.3390/ani14060953.

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The present study aimed to investigate the effects of Moringa oleifera leaf (MLE) extract-supplemented diets on the growth, feed utilization, hematology, innate immune response, and disease resistance of Nile tilapia against Streptococcus agalactiae Biotype 2. Four hundred and fifty Nile tilapia (32.61 ± 0.2 g/fish) were randomly allocated into fifteen tanks (30 fish/tank). Different concentrations of MLE at 0%, 0.5%, 1%, 1.5%, and 2% were fed to the Nile tilapia for 30 days, and the growth, feed utilization, hematology, and innate immune response of the Nile tilapia were determined. After the
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Taukhid, Taukhid, Edy Farid Wajdy, Desy Sugiani, and Nunak Nafiqoh. "Streptococcosis on Nile tilapia (Oreochromis niloticus) in Indonesian freshwater aquaculture." Omni-Akuatika 19, no. 1 (2023): 1. http://dx.doi.org/10.20884/1.oa.2023.19.1.1005.

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This review aimed to provide the current status of streptococcosis in freshwater aquaculture in Indonesia. So far, this disease has been mostly reported in tilapia aquaculture, and there have been no serious reports of this disease in other species of freshwater aquaculture. The disease is mostly encountered during the dry season or the transition period from the dry season to the rainy season or vice versa. Initially, the disease was mostly reported in tilapia larger than 250 grams, but in its development, it was also reported in smaller fish. The Ministry of Marine Affairs and Fisheries (MMA
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Taukhid, Angela M. Lusiastuti, Septyan Andriyanto, Desy Sugiani, Tuti Sumiati, and Achmad Suhermanto. "Efficacy of inactive bivalent and trivalent Streptococcus agalactiae bacteria (biotype 1 & 2) vaccines on tilapia, Oreochromis niloticus." E3S Web of Conferences 322 (2021): 02014. http://dx.doi.org/10.1051/e3sconf/202132202014.

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Streptococcosis is a significant fish disease impacting tilapia culture in Indonesia, causing losses estimated up to IDR 15.0 billion annually. This study aims to assess the efficacy of bivalent and trivalent vaccines containing Streptococcus agalactiae bacteria on tilapia. The formula of the bivalent vaccine contains 75% of S01-196-16 and 25% of N14G isolates (v/v). Trivalent vaccine contains 30%, 35%, and 35% of N14G, NP1050, and SG01-16 isolates (v/v), respectively. A challenge test assessed the efficacy of the vaccines, and it was carried out at 30, 90, and 150 days post-vaccination by art
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Suhermanto, Achmad, Sukenda Sukenda, Muhammad Zairin Jr., Angela Mariana Lusiastuti та Sri Nuryati. "TOKSISITAS SEL UTUH DAN EXTRACELLULAR PRODUCT (ECP) Streptococcus agalactiae β-HEMOLITIK DAN NON-HEMOLITIK PADA IKAN NILA (Oreochromis niloticus)". Jurnal Riset Akuakultur 13, № 4 (2019): 317. http://dx.doi.org/10.15578/jra.13.4.2018.317-328.

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Bakteri Streptococcus agalactiae tipe β-hemolitik dan non-hemolitik menjadi agen penyebab infeksi streptococcosis yang mengakibatkan kematian dan kerugian besar pada budidaya ikan nila. Penelitian ini bertujuan untuk membandingkan toksisitas sel utuh dan extracellular product (ECP) bakteri b-hemolitik dan non-hemolitik yang diinjeksikan pada ikan nila. Karakterisasi S. agalactiae berdasarkan SNI dan API 20 STREP, serta pemisahan protein dengan metode SDS-PAGE. Pengujian toksisitas dilakukan dengan cara menginjeksikan sel utuh dan ECP S. agalactiae secara intraperitoneal (IP) dengan dosis 0,1 m
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8

Dewi, Mustika, and Mega Ulfah. "Efek Kefir Terhadap Kadar Superokdidase Dismutase, Malondialdehyde Pada Mencit Balb/C Diinduksi Streptococcus Agalactiae." Journal of Issues In Midwifery 5, no. 3 (2021): 101–10. http://dx.doi.org/10.21776/ub.joim.2021.005.03.1.

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Streptococcus agalactiae are pathogenic bacteria which cause vaginal infection. Vaginal and cervical infections in pregnant women can reduce elasticity of the membranes that cause premature rupture of membranes. This can also impact to neonatal morbidity and mortality in first week of birth. Kefir is known as a probiotic that can act as an immunomodulator. The role of kefir is believed to improve the immune system. The role of kefir in preventing infection is still rarely studied, especially as an immunomodulator and in reducing the number of pathogenic bacteria.This study aimed to evaluate su
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Sukenda, Sukenda, Achmad Suhermanto, Muhammad Zairin Jr., Angela Mariana Lusiastuti, Sri Nuryati, and Dendi Hidayatullah. "VIRULENCE GENE PROFILING AND PATHOGENICITY OF Streptococcus agalactiae ISOLATED FROM TILAPIA, Oreochromis niloticus FARMS IN INDONESIA." Indonesian Aquaculture Journal 16, no. 2 (2021): 119. http://dx.doi.org/10.15578/iaj.16.2.2021.119-125.

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Streptococcosis caused by Streptococcus agalactiae has become a major disease problem in tilapia culture in Indonesia. This study aimed to detect virulence genes of S. agalactiae during streptococcosis disease outbreaks in several tilapia farms in Indonesia and evaluate the correlation between biotype and virulence genes to bacterial virulence. The presence of virulence genes was determined in 10 strains of S. agalactiae isolated from farm-raised tilapia. Polymerase chain reaction (PCR) protocol was used to determine genes for cylE, hylB, lmb, bib A, PI-2b, fbs A, fbs B, gap, PI-1, and cfb in
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Sikra, Alexandra Andreea, Cristina Mihaela Rimbu, Cristina Horhogea, Stefan Gregore Ciornei, Petru Rosca, and Dan Gheorghe Drugociu. "Dinamics of Group B Streptococcus and Enterococcus faecalis associated with genital tract infections of dairy cows from two farms of county Iași." Cluj Veterinary Journal 26, no. 1 (2021): 1–6. http://dx.doi.org/10.52331/cvj.v26i1.16.

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Abstract: The involution of the postpartum bovine uterus is accompanied by bacterial invasion. Studies show that most, if not all, bovine uteri are bacterially contaminated in the immediate postpartum period. The culture at this time will usually produce a wide range of bacteria, including Actinomyces pyogenes, Streptococcus spp., Staphylococcus spp. and Clostridium spp., Coliforms and Gram-negative anaerobes.
 The research is part of a larger study that aimed to isolate and identify potentially pathogenic bacteria from uterine secretions and their role in postpartum infections. To isolat
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11

Trigo, Gabriela, Márcia Dinis, Ângela França, et al. "Leukocyte populations and cytokine expression in the mammary gland in a mouse model of Streptococcus agalactiae mastitis." Journal of Medical Microbiology 58, no. 7 (2009): 951–58. http://dx.doi.org/10.1099/jmm.0.007385-0.

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Streptococcus agalactiae is a contagious, mastitis-causing pathogen that is highly adapted to survive in the bovine mammary gland. This study used a BALB/c mouse model of Streptococcus agalactiae mastitis to evaluate leukocyte populations in regional lymph nodes and cytokine expression in the mammary gland involved in the immune response against Streptococcus agalactiae. It was found that the bacteria replicated efficiently in the mammary gland, peaking after 24 h and increasing by 100-fold. Dissemination of bacteria to systemic organs was observed 6 h after infection. At the same time, a mass
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12

Lindahl, Gunnar, Margaretha Stålhammar-Carlemalm, and Thomas Areschoug. "Surface Proteins of Streptococcus agalactiae and Related Proteins in Other Bacterial Pathogens." Clinical Microbiology Reviews 18, no. 1 (2005): 102–27. http://dx.doi.org/10.1128/cmr.18.1.102-127.2005.

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SUMMARY Streptococcus agalactiae (group B Streptococcus) is the major cause of invasive bacterial disease, including meningitis, in the neonatal period. Although prophylactic measures have contributed to a substantial reduction in the number of infections, development of a vaccine remains an important goal. While much work in this field has focused on the S. agalactiae polysaccharide capsule, which is an important virulence factor that elicits protective immunity, surface proteins have received increasing attention as potential virulence factors and vaccine components. Here, we summarize curre
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Zubaidah, Anis, Sri Samsundari, and Vivi Fitriani. "Effectiveness of extract Songga wood (Strychnos lucida) towards survival and antibody titers on Tilapia (Oreocromis niloticus) that infected Streptococcus agalactiae." Indonesian Journal of Tropical Aquatic 2, no. 2 (2019): 59. http://dx.doi.org/10.22219/ijota.v2i2.11136.

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Nile Tilapia or Tilapia Fish (Oreochromis niloticus) is one of commodity with a high number of consumers. But, Streptococcus agalactiae attack caused a decline in production. One way to reduce these diseases by using natural materials of songga wood (Strychnos lucida R.Br) where the songga wood contains many compounds like alkaloid, phenols, flavonoids, triterpenoids, which can inhibit bacterial growth by damaged cell membrane. The results showed that the inhibitory songga wood extract against Streptococcus agalactiae was highly significant, and shows with the highest survival rate of 90% and
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Si, Zaiyong, Zhenhua Ma, Fuguang Luo, et al. "Establishment of SYBR Green I Real-Time PCR for Detection of Streptococcus agalactiae in Aquaculture Waters." Journal of Applied Ichthyology 2023 (October 20, 2023): 1–9. http://dx.doi.org/10.1155/2023/9199300.

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Streptococcus agalactiae has a serious negative impact on tilapia aquaculture, and rapid detection of trace S. agalactiae in aquaculture waters and timely and effective sterilization measures could significantly reduce the probability of its outbreak in tilapia farming. Here, we established a fluorescence quantitative detection method of S. agalactiae in tilapia aquaculture waters based on the Streptococcus agalactiae CAMP factor (cfb) (GU217532.1) sequence of its CAMP factor. The results showed that the Ct value and logarithm of plasmid copy number presented a good linear relationship (y = −3
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Bigus, Daniel, Wioleta Lewandowska, Ewelina Bięga, et al. "Ultra-Fast Impedimetric Immunoassay for Detection of Streptococcus agalactiae Using Carbon Electrode with Nanodiamonds Film." Micromachines 14, no. 5 (2023): 1076. http://dx.doi.org/10.3390/mi14051076.

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This publication presents the results of work on the development of a quick and cheap electrochemical immunosensor for the diagnosis of infections with the pathogen Streptococcus agalactiae. The research was carried out on the basis of the modification of the well-known glassy carbon (GC) electrodes. The surface of the GC (glassy carbon) electrode was covered with a film made of nanodiamonds, which increased the number of sites for the attachment of anti-Streptococcus agalactiae antibodies. The GC surface was activated with EDC/NHS (1-Ethyl-3-(3-dimethylaminopropyl)carbodiimide/N-Hydroxysuccin
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Gonzalez, R. N., D. E. Jasper, R. B. Bushnell, and T. B. Farver. "Relationship between mastitis pathogen numbers in bulk tank milk and bovine udder infections in California dairy herds." Journal of the American Veterinary Medical Association 189, no. 4 (1986): 442–45. https://doi.org/10.2460/javma.1986.189.04.442.

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SUMMARY Samples of bulk tank milk and cow-composite milk from 23,138 dairy cows from 50 California dairies were examined by use of microbiologic procedures. The number of colonies of mastitis pathogens isolated per milliliter of bulk tank milk (used as a predictor of the percentage of infected cows in the herd) was evaluated, using simple regression analysis and Spearman's rank correlation. Correlations between the pathogens and the percentage of cows in each herd shedding the pathogens were found for Streptococcus agalactiae (r = 0.71) and mycoplasma (r = 0.59), but were considerably lower fo
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Fléchard, Maud, and Philippe Gilot. "Physiological impact of transposable elements encoding DDE transposases in the environmental adaptation of Streptococcus agalactiae." Microbiology 160, no. 7 (2014): 1298–315. http://dx.doi.org/10.1099/mic.0.077628-0.

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We have referenced and described Streptococcus agalactiae transposable elements encoding DDE transposases. These elements belonged to nine families of insertion sequences (ISs) and to a family of conjugative transposons (TnGBSs). An overview of the physiological impact of the insertion of all these elements is provided. DDE-transposable elements affect S. agalactiae in a number of aspects of its capability to adapt to various environments and modulate the expression of several virulence genes, the scpB–lmB genomic region and the genes involved in capsule expression and haemolysin transport bei
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Кhassanovа, Madina, Meiram Shintemirov, and Kalamkas Malikzada. "THE BASIC BIOLOGICAL PROPERTIES AND ANTIBIOTIC RESISTANCE OF ISOLATESOF STREPTOCOCCUS AGALACTIAE ISOLATED FROM COW MILK IN KOSTANAY REGION." 3i intellect idea innovation - интеллект идея инновация 3 (2023): 30–36. http://dx.doi.org/10.52269/22266070_2023_3_30.

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One of the most common causative agents of bovine mastitis is Str. agalactiae, which is also potentially dangerous for humans and aquatic animals. To date, there is a trend towards the emergence and spread of Str. agalactiae microorganisms with multidrug resistance. The constant use of antimicrobial drugs contributes to the emergence of polyresistant microorganisms, which shows the relevance of rational pharmacotherapy of animals. The article presents the results of studying the main phenotypic properties of Str. agalactiae isolated from the milk of cows with clinical and subclinical forms of
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OPREA, Alexandru, Razvan SCURTU, Svetlana ENCICA, et al. "The role of cardiac rehabilitation after Streptococcus agalactiae Infective Endocarditis with Septic Embolic Complication in an Elderly Patient: Case Report." Balneo and PRM Research Journal, Vol.12, no.2 (June 1, 2021): 165–70. http://dx.doi.org/10.12680/balneo.2021.436.

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Introduction. In the past, Streptococcus agalactiae was known to be associated with invasive infections in pregnant women and newborns. More recently, given a more appropriate antibiotic prophylaxis and treatment, the incidence among pregnant women and infants diminished. However, an increasing number of cases with infective endocarditis with Streptococcus agalactiae has been reported in the recent years in older patients with underlying comorbidities. Case report. An 80-year-old female patient presented with dyspnea, weight loss, fever, fatigue, chills, dry cough and bilateral lower limb edem
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Tenenbaum, Tobias, Christiane Bloier, Rüdiger Adam, Dieter J. Reinscheid, and Horst Schroten. "Adherence to and Invasion of Human Brain Microvascular Endothelial Cells Are Promoted by Fibrinogen-Binding Protein FbsA of Streptococcus agalactiae." Infection and Immunity 73, no. 7 (2005): 4404–9. http://dx.doi.org/10.1128/iai.73.7.4404-4409.2005.

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ABSTRACT Streptococcus agalactiae is a frequent cause of bacterial sepsis and meningitis in neonates. During the course of infection, S. agalactiae colonizes and invades a number of host compartments, thereby interacting with different host tissues. Deletion of the fbsA gene, encoding the fibrinogen protein FbsA, significantly impaired the adherence and invasion of human brain microvascular endothelial cells (HBMEC) by S. agalactiae. The adherence and invasiveness of an fbsA deletion mutant were restored by reintroducing the fbsA gene on an expression vector. Heterologous expression of fbsA in
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SITKIEWICZ, IZABELA, and WALERIA HRYNIEWICZ. "Pyogenic Streptococci – Danger of Re-Emerging Pathogens." Polish Journal of Microbiology 59, no. 4 (2010): 219–26. http://dx.doi.org/10.33073/pjm-2010-034.

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Beta-hemolytic, pyogenic streptococci are classified according to type of major surface antigen into A (Streptococcus pyogenes), B (Streptococcus agalactiae), C (multiple species including Streptococcus dysagalactiae) and G (multiple species including Streptococcus canis) Lancefield groups. Group A Streptococcus causes each year hundreds of thousands deaths globally as a result of infections and post-infectional sequelae. An increasing number of severe, invasive infections is caused by selected, specialized pathogenic clones. Within the last 50 years, an increasing number of human infections c
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Joksovic, Svetlana, Vitomir Cupic, and Vera Katic. "Possibility of application of dodicin hydrochloride in prevention of mastitis in cows." Veterinarski glasnik 60, no. 3-4 (2006): 207–21. http://dx.doi.org/10.2298/vetgl0604207j.

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The main approach to curbing mastitis is to prevent the entry of microorganisms from the outer environment into the mammary gland, which is achieved by the use of papilla disinfection following every time of milking. The objective of this work was to examine the antimicrobial activity of the disinfectant dodicin hydrochloride, in fact the preparation that contains this disinfectant (DESU? M), against bacteria, the most frequent causes of mastitis in cows. The efficacy of modified DESU? Mwas examined under laboratory conditions using the quantitative test against the following microorganisms: E
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Ostrovskaya, О. V., S. V. Suprun, O. V. Kozharskaya, et al. "Predicting intrauterine infection risk in newborns based on morphometric parameters of placental terminal villi." Bulletin Physiology and Pathology of Respiration, no. 79 (April 2, 2021): 86–94. http://dx.doi.org/10.36604/1998-5029-2021-79-86-94.

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Aim. To evaluate the prognostic value of micromorphometry of placental terminal villi for early diagnosis of intrauterine infections in newborns.Materials and methods. A molecular genetic and micromorphometric study of 34 placentas obtained from women whose pregnancy ended in preterm labor at 30-36 weeks and 46 placentas of persons who gave birth to full-term babies was performed. In samples of placental tissue, the polymerase chain reaction was used to identify the genome of the following pathogens of intrauterine infections: Mycoplasma hominis, Mycoplasma genitalium, Ureaplasma species (Urea
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Samen, Ulrike, Bernhard J. Eikmanns, Dieter J. Reinscheid, and Frédéric Borges. "The Surface Protein Srr-1 of Streptococcus agalactiae Binds Human Keratin 4 and Promotes Adherence to Epithelial HEp-2 Cells." Infection and Immunity 75, no. 11 (2007): 5405–14. http://dx.doi.org/10.1128/iai.00717-07.

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ABSTRACT Streptococcus agalactiae is frequently the cause of bacterial sepsis and meningitis in neonates. In addition, it is a commensal bacterium that colonizes the mammalian gastrointestinal tract. During its commensal and pathogenic lifestyles, S. agalactiae colonizes and invades a number of host compartments, thereby interacting with different host proteins. In the present study, the serine-rich repeat protein Srr-1 from S. agalactiae was functionally investigated. Immunofluorescence microscopy showed that Srr-1 was localized on the surface of streptococcal cells. The Srr-1 protein was sho
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De Gregorio, Priscilla Romina, María Silvina Juárez Tomás, María Cecilia Leccese Terraf, and María Elena Fátima Nader-Macías. "In vitro and in vivo effects of beneficial vaginal lactobacilli on pathogens responsible for urogenital tract infections." Journal of Medical Microbiology 63, no. 5 (2014): 685–96. http://dx.doi.org/10.1099/jmm.0.069401-0.

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The aim of this work was to evaluate the effects of beneficial human vaginal lactobacilli (Lb) on urogenital pathogens through in vitro and in vivo experiments. Co-aggregative and antimicrobial properties between five vaginal Lb strains and urogenital pathogens or potential pathogens (Streptococcus agalactiae, Staphylococcus aureus and Candida albicans strains) were assayed. Also, associative cultures of Lb strains and S. agalactiae were performed and bacterial growth, pH, lactic acid and hydrogen peroxide (H2O2) were determined at different times. Based on the results obtained, the in vivo st
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Bogiel, Tomasz, Szymon Ziółkowski, Alicja Domian, and Zuzanna Dobrzyńska. "An Application of Real-Time PCR and CDC Protocol May Significantly Reduce the Incidence of Streptococcus agalactiae Infections among Neonates." Pathogens 11, no. 9 (2022): 1064. http://dx.doi.org/10.3390/pathogens11091064.

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Streptococcus agalactiae is an important human opportunistic pathogen, especially infectious for pregnant women and neonates. This pathogen belongs to beta hemolytic Streptococcus spp. representatives and accounts for a significant part of early infections in newborns, including serious life-threatening infections. This research investigated the usefulness of Centers for Disease Control and Prevention (CDC) protocol for S. agalactiae DNA detection in 250 samples of recto-vaginal swabs collected from pregnant women (at 35-37 weeks of gestation) and pre-cultured overnight in liquid medium. With
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Yamagata, M., W. J. Goodger, L. Weaver, and C. Franti. "The economic benefit of treating subclinical Streptococcus agalactiae mastitis in lactating cows." Journal of the American Veterinary Medical Association 191, no. 12 (1987): 1556–61. https://doi.org/10.2460/javma.1987.191.12.1556.

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Summary The economic benefits of treating lactating cows for Streptococcus agalactiae mastitis were studied at a large (689 milking cows) central California dairy. Postcure milk production of case cows (infected, treated, and cured) was compared with production of paired control cows (uninfected) and was matched for yield, days in milk, days in gestation, and parity. A simulation was used to plot expected lactation curves for mastitic cows (infected, not treated) with characteristics similar to those of each control cow, and these curves were compared with actual case-cow lactation curves. The
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Zhou, Tao, Zhihua Fang, Daniel F. C. Duarte, et al. "Transcriptome Analysis of Immune Response against Streptococcus agalactiae Infection in the Nile Tilapia GIFT Strain." Fishes 7, no. 5 (2022): 246. http://dx.doi.org/10.3390/fishes7050246.

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Streptococcus agalactiae (group B streptococcus, GBS), a broad-spectrum pathogen, causes great economic losses in fish aquaculture, especially the industry of tilapia. Until now, the knowledge of the immune response mechanism against S. agalactiae infection in tilapia has been limited. In the present study, the gill transcriptome of the tilapia from the GBS and the phosphate buffered saline (PBS) groups were sequenced. The transcriptomic analysis results presented the differentially expressed genes (DEGs) at different time points (DEGs number, 6 h: 2122, 9 h: 1851, 15 h: 1791, and 18 h: 2395)
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Engashev, S. V., M. D. Novak, A. I. Novak, O. V. Evdokimova, and E. S. Engasheva. "SENSITIVITY OF BACTERIA TO ANTIBIOTICS MASTI BLOCK® DC 49, MASTIC-P, MASTERCARD WITH MASTITIS OF DRY COWS." International Journal of Veterinary Medicine, no. 4 (January 16, 2025): 161–71. https://doi.org/10.52419/issn2072-2419.2024.4.161.

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In the etiology of mastitis, pathogenic bacteria Staphylococcus aureus, Streptococcus agalactiae, Streptococcus dysgalactiae, Corynebacterium bovis and a number of others are of paramount importance. Frequent unjustified use of antibacterial drugs without prior determination of effectiveness against microorganisms in a particular farm led to the formation of resistant isolates. The aim of the research was to study the sensitivity of bacterial strains isolated from cows with mastitis to the antibacterial drugs MASTIBLOCK® DC 49, MASTICAN-P and MASTIGARD. The research was carried out in a large
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Haguenoer, Eve, Gaelle Baty, Christine Pourcel, et al. "A multi locus variable number of tandem repeat analysis (MLVA) scheme for Streptococcus agalactiae genotyping." BMC Microbiology 11, no. 1 (2011): 171. http://dx.doi.org/10.1186/1471-2180-11-171.

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Awati-El Mehdi, Miloudi-Mohcine, Kamouni-Youssef, Arsalane-Lamiae, and Zouhair-Said. "A study on vaginal infections among reproductive-aged women in the region of Marrakech, Morocco." World Journal of Biological and Pharmaceutical Research 3, no. 2 (2022): 010–17. http://dx.doi.org/10.53346/wjbpr.2022.3.2.0042.

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Purpose: The principal aim of this study was to establish the microbial epidemiology of vaginal infections and to study the susceptibility of strains isolated to antibiotics. The secondary aim was to orient probabilistic antibiotic therapy. Methods: This is a retrospective descriptive study, covering a period of 9 years, from 2013 to 2022, conducted in the Bacteriology Department of the Avicenne Military Hospital in Marrakech. Results: The number of vaginal swabs taken in our study over a period of 9 years (2013-2022) was 693, of which 131 cases of vaginal infections were diagnosed, i.e. 19%.
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Pizauro, L. J. L., D. G. Silva, A. M. Santana, et al. "Prevalence and etiology of buffalo mastitis and milk somatic cell count in dry and rainy seasons in a buffalo herd from Analândia, São Paulo State, Brazil." Arquivo Brasileiro de Medicina Veterinária e Zootecnia 66, no. 6 (2014): 1703–10. http://dx.doi.org/10.1590/1678-7259.

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The aim of this study was to evaluate somatic cell count (SCC), prevalence and etiology of mastitis in a dairy buffalo herd from Analândia, São Paulo State, Brazil, in the dry and rainy seasons. Additionally, antimicrobial susceptibility profile of microorganisms isolated from milk samples was also evaluated. 1,042 milk samples from female Murrah buffaloes in a dairy farm located in Analândia, São Paulo State, Brazil, collected between May 2011 and November 2012 were analyzed. After the mammary gland physical examination, strip cup test and California Mastitis Test (CMT) were performed. Afterw
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Portal, Edward A. R., Caitlin Farley, Teresa Iannetelli, et al. "Agar-Dilution Is Comparable to Broth Dilution for MIC Determination in Streptococcus agalactiae." Antibiotics 14, no. 2 (2025): 156. https://doi.org/10.3390/antibiotics14020156.

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Background: Streptococcus agalactiae (Group B Streptococcus, GBS) is a leading cause of neonatal sepsis in high-income countries. While intrapartum antibiotic screening reduces this risk, increasing resistance to macrolides and lincosamides in Europe since the 1990s has limited therapeutic options for penicillin-allergic patients. Reports of reduced beta-lactam susceptibility in GBS further emphasise the need for robust antimicrobial resistance (AMR) surveillance. However, broth microdilution (BMD) methods are unsuitable for large-scale antimicrobial susceptibility testing (AST). Objective: To
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Shahida Mohd-Said, Nur Fatimah Zaharah Salehuddin, Siti Nursyuhada Jafar, Haslinda Ramli, Tuti Ningseh Mohd-Dom, and Rohazila Mohamad Hanafiah. "Identification of Bacteria Sample Plaque from Periodontal Disease Among Diabetic Patients." International Journal of Research in Pharmaceutical Sciences 12, no. 1 (2021): 366–73. http://dx.doi.org/10.26452/ijrps.v12i1.4147.

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Molecular identification of bacteria are very important to develop database gene bank in university. Databases of genes are very important to annotate a collection of nucleotide sequence and protein translation of oral bacteria. This research was conducted to identify bacteria that present in the plaque sample among diabetic patients collected from the Department of Periodontology and Community Oral health Universiti Sains Islam Malaysia (USIM). A total of bacteria was successfully isolated on Blood Agar from periodontal patients’ plaques. Colony Forming Unit (CFU/mL) was calculated to estimat
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Lusta, M., O. Voronkova, O. Finkova, et al. "Microbiological monitoring of antibiotic resistance of strains of Streptococcus agalactiae among pregnant women." Regulatory Mechanisms in Biosystems 14, no. 2 (2023): 208–12. http://dx.doi.org/10.15421/022331.

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Group B Streptococcus (GBS) is the causative agent in 2–7% of all urinary tract infections (UTI), including asymptomatic bacteriuria (AB), cystitis, and pyelonephritis. We used the bacteriological quantitative method of sowing urine samples of pregnant women on Columbia agar with 5% lamb blood), Strepto B chromogenic agar and Todd Hewitt broth, identification of GBS strains with determination of sensitivity to bacitracin, hippurate hydrolysis test and CAMP test. Susceptibility to antimicrobial drugs was determined by the disk-diffusion method according to recommendations of the European Commit
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Vakanjac, Slobodanka, and Igor Todorovic. "Subclinical mastitis in sheep: Causes and their sensitivity to antibiotics." Veterinarski glasnik 64, no. 3-4 (2010): 231–41. http://dx.doi.org/10.2298/vetgl1004231v.

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The California mastitis test (CMT) was used to examine the milk of 6609 sheep, actually, from 13218 mammary complexes. A total of 986 milk samples were found to contain an increased number of somatic cells, and causes of mastitis were isolated from 910 (92.3%) of these samples. The most frequently isolated microorganisms were: E. coli isolated from 189 (20.76%) samples, Micrococcus sp from 186 (20.43%) samples, Bacillus sp. from 177 (19.45%), Staphylococcus aureus from 172 (18.9%) samples, and Proteus sp. from 121 (13.29%) samples of sheep milk. Coagulase-negative staphylococci (CNS) were isol
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Kusama, Yoshiki, Kenta Ito, Haruhisa Fukuda, Nobuaki Matsunaga, and Norio Ohmagari. "National database study of trends in bacteraemia aetiology among children and adults in Japan: a longitudinal observational study." BMJ Open 11, no. 3 (2021): e043774. http://dx.doi.org/10.1136/bmjopen-2020-043774.

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ObjectivesDomestic epidemiological studies are needed to ascertain the disease burden of bacteraemia in individual countries. This study aimed to evaluate the domestic trends in paediatric and adult bacteraemia in Japan.SettingLaboratory-based surveillance was used to obtain data from 592 hospitals located throughout Japan.ParticipantsThe study was conducted using the results of 827 780 and 3 512 524 blood culture tests obtained from children and adults, respectively, between January 2010 and December 2016.Outcome measuresWe analysed the temporal trends in specific bacterial species (Staphyloc
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Meroni, Gabriele, Valerio M. Sora, Piera Anna Martino, et al. "Epidemiology of Antimicrobial Resistance Genes in Streptococcus agalactiae Sequences from a Public Database in a One Health Perspective." Antibiotics 11, no. 9 (2022): 1236. http://dx.doi.org/10.3390/antibiotics11091236.

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Streptococcus agalactiae is a well-known pathogen in humans and food-producing animals. Therefore, this bacterium is a paradigmatic example of a pathogen to be controlled by a One Health approach. Indeed, the zoonotic and reverse-zoonotic potential of the bacteria, the prevalence of Group B Streptococci (GBS) diseases in both human and animal domains, and the threatening global situation on GBS antibiotic resistance make these bacteria an important target for control programs. An epidemiological analysis using a public database containing sequences of S. agalactiae from all over the world was
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39

Intra, Jari, Davide Carcione, Roberta Maria Sala, Claudia Siracusa, Paolo Brambilla, and Valerio Leoni. "Surveillance of Bacterial Meningitis in the Italian Hospital of Desio: A Twenty-Year Retrospective Study." Applied Microbiology 4, no. 1 (2024): 481–85. http://dx.doi.org/10.3390/applmicrobiol4010033.

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Bacterial meningitis is a severe infection with a high fatality rate, and affects children in particular. Three vaccines against the most common bacterial causatives of meningitis, Haemophilus influenzae type b, Streptococcus pneumoniae, and Neisseria meningitides, exist. Monitoring the type and incidence of bacterial meningitis is important for making future prevention and control plans. In this study, we retrospectively analyzed data regarding bacterial meningitis recovered in the Italian Hospital of Desio from 2000 to 2019. Samples from a total of 128 patients were included. Streptococcus p
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40

Ramírez-Lozada, Tito, María Concepción Loranca-García, Claudia Erika Fuentes-Venado, et al. "Does the Fetus Limit Antibiotic Treatment in Pregnant Patients with COVID-19?" Antibiotics 11, no. 2 (2022): 252. http://dx.doi.org/10.3390/antibiotics11020252.

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During pregnancy, there is a state of immune tolerance that predisposes them to viral infection, causing maternal-fetal vulnerability to the adverse effects of COVID-19. Bacterial coinfections significantly increase the mortality rate for COVID-19. However, it is known that all drugs, including antibiotics, will enter the fetal circulation in a variable degree despite the role of the placenta as a protective barrier and can cause teratogenesis or other malformations depending on the timing of exposure to the drug. Also, it is important to consider the impact of the indiscriminate use of antibi
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41

Barkova, Irina A., Margarita P. Izhberdeeva, and Anastasiya A. Sautkina. "Endolysins of bacteriophages." Journal of microbiology, epidemiology and immunobiology 100, no. 1 (2023): 126–34. http://dx.doi.org/10.36233/0372-9311-250.

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Bacteriophage endolysins are a biologically active substances that play a specific role in the release of phage progeny by degrading the peptidoglycan of the host bacterium. In the light of antibiotic resistance, endolysins are considered as alternative therapeutic agents because of their exceptional ability to target bacterial cells.
 Aim summarization of the data on the biology, structure, mechanisms of action of bacteriophage endolysins, as well as on preparations based on them, which are at different stages of research.
 The results of studies of bacterial endolysins over the pas
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42

Guo, Huiwu, Maozhang Fu, Qing Peng, et al. "Antimicrobial resistance and molecular characterization of Streptococcus agalactiae from pregnant women in southern China." Journal of Infection in Developing Countries 13, no. 09 (2019): 802–9. http://dx.doi.org/10.3855/jidc.11395.

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Introduction: This study aimed to characterize antimicrobial resistance (AMR), molecular determinants of AMR and virulence, as well as clonal relationship of Streptococcus agalactiae isolates from women at 35-37 weeks of gestation in the Chaoshan metropolitan area of southern China.
 Methodology: Bacterial strains isolated from vaginal swabs were identified and antimicrobial susceptibility tests were performed by using a Vitek 2 Compact system (BioMérieux, France). Resistance and virulence genes were detected by polymerase chain reaction (PCR) and the clonal relationship was analysed by m
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43

Oliver, S. P. "Frequency of isolation of environmental mastitis-causing pathogens and incidence of new intramammary infection during the nonlactating period." American Journal of Veterinary Research 49, no. 11 (1988): 1789–93. https://doi.org/10.2460/ajvr.1988.49.11.1789.

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SUMMARY Quarter samples (n = 6,328) of mammary secretions were collected from 160 cows during physiologic transitions of the udder to determine the frequency of isolation of mastitis-causing pathogens and the incidence of new intramammary infections (imi) during the nonlactating period. None of the cows in the herd was infected with Streptococcus agalactiae, and the prevalence of Staphylococcus aureus was low. Cows were not treated with antibiotics at cessation of milking. A threefold increase in the percentage of quarters infected with major mastitis-causing pathogens developed from late lact
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44

Fell, David A., Mark G. Poolman, and Albert Gevorgyan. "Building and analysing genome-scale metabolic models." Biochemical Society Transactions 38, no. 5 (2010): 1197–201. http://dx.doi.org/10.1042/bst0381197.

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Reconstructing a model of the metabolic network of an organism from its annotated genome sequence would seem, at first sight, to be one of the most straightforward tasks in functional genomics, even if the various data sources required were never designed with this application in mind. The number of genome-scale metabolic models is, however, lagging far behind the number of sequenced genomes and is likely to continue to do so unless the model-building process can be accelerated. Two aspects that could usefully be improved are the ability to find the sources of error in a nascent model rapidly,
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45

Varatanovic, N., A. Katica, T. Mutevelic, B. Cengic, N. Mlaco, and E. Hamzic. "Research of mastitis prevalence at heifers in farm breeding." Biotehnologija u stocarstvu 25, no. 1-2 (2009): 73–80. http://dx.doi.org/10.2298/bah0902073v.

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With 268 heifers in farm breeding, udder examination has been performed for clinical mastitis during 14 days after calving. From each quarter we took secretion samples and performed bacteriological analysis. From total number of heifers, 56 of them had shown clinical signs of inflammation, and 12 were bacteriologicaly positive. By bacteriological analysis mastitis pathogens had been found, even in 14 heifers without inflammation signs, at least until the end of test period. From the total number of tested heifers in 3,35% of cases Streptococcus agalactiae have been found, 4,85% coagulase posit
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A.T., Reyes,. "Host Sex as Factor on the Prevalence and Count of Streptococcus spp. in Nile Tilapia (Oreochromis niloticus) During the Dry and Rainy Seasons." UTTAR PRADESH JOURNAL OF ZOOLOGY 45, no. 14 (2024): 213–21. http://dx.doi.org/10.56557/upjoz/2024/v45i144197.

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The group B streptococci, particularly Streptococcus agalactiae, cause significant mortality and morbidity in a wide variety of freshwater and saltwater fish species in a number of countries worldwide. The possible influence of host sex in the prevalence and count of bacteria are less studied in fishes. A total of 20 Nile tilapia grow-out farms in Lubao, Pampanga, Philippines served as the collection sites during the dry and rainy seasons. The collected tilapia samples were segregated based on sex. Two series of 10-fold dilutions (10-1 and 10-2) of tissue homogenates of tilapia organs (1 g) we
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47

Lopes Júnior, João Emídio Ferreira, Carla Cristine Lange, Maria Aparecida Vasconcelos Paiva Brito, et al. "Relationship between total bacteria counts and somatic cell counts from mammary quarters infected by mastitis pathogens." Ciência Rural 42, no. 4 (2012): 691–96. http://dx.doi.org/10.1590/s0103-84782012000400019.

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This study was conducted to establish the relationship between somatic cell count (SCC) and bacterial shedding from mammary quarters according to mastitis pathogens. Milk samples from 638 mammary quarters were examined for mastitis pathogens, SCC and total bacterial count (TBC). The raw data of SCC and TBC were used to perform descriptive statistics. The significance of the arithmetic mean differences between SCC and TBC according to bacteriological examination results was determined by a two-tailed unpaired t-test. Pearson and Spearman´s correlations were done with logarithmic data and linear
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48

Deghmane, Ala-Eddine, and Muhamed-Kheir Taha. "Invasive Bacterial Infections in Subjects with Genetic and Acquired Susceptibility and Impacts on Recommendations for Vaccination: A Narrative Review." Microorganisms 9, no. 3 (2021): 467. http://dx.doi.org/10.3390/microorganisms9030467.

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The WHO recently endorsed an ambitious plan, “Defeating Meningitis by 2030”, that aims to control/eradicate invasive bacterial infection epidemics by 2030. Vaccination is one of the pillars of this road map, with the goal to reduce the number of cases and deaths due to Neisseria meningitidis, Streptococcus pneumoniae, Haemophilus influenzae and Streptococcus agalactiae. The risk of developing invasive bacterial infections (IBI) due to these bacterial species includes genetic and acquired factors that favor repeated and/or severe invasive infections. We searched the PubMed database to identify
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49

Ndukwu, Chidi L. C. "Microbial Communities and Antimicrobial Resistance Patterns in Aerobic Bacteria Associated with the Vaginal Microbiota: A Retrospective Study in Port Harcourt, Nigeria." Asian Journal of Research in Infectious Diseases 15, no. 1 (2024): 39–48. http://dx.doi.org/10.9734/ajrid/2024/v15i1324.

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The vaginal microbiota, unlike some other sites such as the intestinal microbiota is a less diversified micro-ecosystem; dominated normally by Lactobacilli which play specific important roles in the wellbeing of the vagina and the female person. Dysbiosis or the loss of Lactobacilli dominance results in ecological shift that leads to a number of conditions such as proliferation of intestinal aerobic bacteria leading to aerobic vaginitis and such other disease conditions. In this retrospective cross sectional descriptive study, laboratory records of microscopy, culture and susceptibility analys
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Sroka-Oleksiak, Agnieszka, Wojciech Pabian, Joanna Sobońska, Kamil Drożdż, Tomasz Bogiel, and Monika Brzychczy-Włoch. "Do NAAT-Based Methods Increase the Diagnostic Sensitivity of Streptococcus agalactiae Carriage Detection in Pregnant Women?" Diagnostics 13, no. 5 (2023): 863. http://dx.doi.org/10.3390/diagnostics13050863.

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The aim of the study was to evaluate particular polymerase chain reaction primers targeting selected representative genes and the influence of a preincubation step in a selective broth on the sensitivity of group B Streptococcus (GBS) detection by nucleic acid amplification techniques (NAAT). Research samples were vaginal and rectal swabs collected in duplicate from 97 pregnant women. They were used for enrichment broth culture-based diagnostics, bacterial DNA isolation, and amplification, using primers based on species-specific 16S rRNA, atr and cfb genes. To assess the sensitivity of GBS det
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