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Pregnant colonization

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https://www.readbyqxmd.com/read/29667280/grass-greenness-flush-can-influence-breeding-phenology-and-fertility-in-equatorial-thoroughbred-mares-in-the-absence-of-photoperiod-variation
#1
Juan Carranza, Washington A Yoong, Belén Caño Vergara, Abel Briones, Concha Mateos
Reproductive phenology is an important trait subjected to natural selection. Current horses in America belong to the Palearctic original populations after being introduced by European colonizers. Photoperiod variation is the main environmental factor for the adjustment of reproductive timing in horses, but is absent in equatorial areas. Here we hypothesize that seasonality of green-grass availability may influence breeding phenology in equatorial regions. We used data of 929 services to mares from 2006 to 2011 in a thoroughbred equine exploitation in Ecuador that experienced strong grass seasonality...
April 17, 2018: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29658476/-microbiota-establishment-an-in-utero-colonization-decisive-for-future-health
#2
Rémi Gschwind, Thierry Fournier, Marie-José Butel, Sandra Wydau-Dematteis
Some diseases seem to have a developmental origin. Today, the microbiota is recognized as a determinant in health and diseases and one important step is its establishment in the neonate. Some variations in its composition including an imbalance (also called dysbiosis) have been associated to several pathologies. Recent studies suggest a bacterial colonization in the non-pregnant uterus, in the amniotic fluid and in the placenta, which were previously thought sterile. So, during deve-lopmental phases, the fetus could have encounter bacteria in utero...
April 2018: Médecine Sciences: M/S
https://www.readbyqxmd.com/read/29649484/vision-and-the-genesis-of-survival-strategies-in-tsetse-flies-a-laboratory-study
#3
Emmanuel Kamba Mebourou, Balázs Bernáth, Dominique Schenker, Patrick M Guerin
Organisms respond to environmental stimuli in ways that optimize survival and reproduction. Tsetse fly life-history is characterized by high investment in progeny by the pregnant female and low birth rate. This places constraints on tsetse populations across the sub-Saharan biotopes they colonize where extreme climatic conditions militate against survival. Controlling metabolic rate is crucial in biotopes where daily swings in temperature can exceed 20 o C. Tsetse acquire their nutrient requirements from the blood meal...
April 9, 2018: Journal of Insect Physiology
https://www.readbyqxmd.com/read/29644511/virulence-associated-genes-and-antibiotic-susceptibility-among-vaginal-and-rectal-escherichia-coli-isolates-from-healthy-pregnant-women-in-poland
#4
Agnieszka Kaczmarek, Krzysztof Skowron, Anna Budzyńska, Eugenia Gospodarek-Komkowska
Vaginal and/or rectal Escherichia coli colonization of pregnant women is sometimes associated with neonatal infections. Despite the relevance of these strains, they have been rarely described before. Thus, the aim of this study was to compare vaginal (VEC) and rectal E. coli (REC) isolates in respect of antimicrobial susceptibility and the frequency of virulence-associated genes (VAGs). The antimicrobial susceptibility of 50 VEC and 50 REC isolates was performed by using the disc diffusion method, and VAGs were detected by PCR...
April 12, 2018: Folia Microbiologica
https://www.readbyqxmd.com/read/29629062/clinical-outcomes-of-the-simultaneous-bilateral-percutaneous-nephrolithotomy-pcnl-in-patients-with-kidney-stones-a-prospective-cohort-study
#5
Mohammad Reza Darabi, Salman Soltani, Alireza Akhavan Rezayat, Masoud Yousefi, Mehdi Kashefi, Mahmoud Tavakkoli, Shabnam Mohammadi
Background: Urinary tract stones is one of the most frequent medical emergencies which leads to life-threatening complications, namely obstructive uropathy as well as renal failure in some situations. Previously, bilateral stones were treated with either open surgery or percutaneous nephrolithotomy (PCNL). However, these treatment options were associated with lengthy operation time, need for more anesthesia, further bleeding, and long hospitalization. Therefore, much effort has been made to treat both sides simultaneously...
February 2018: Electronic Physician
https://www.readbyqxmd.com/read/29626348/clinical-outcomes-after-colopexy-through-left-ventral-paramedian-incision-in-156-thoroughbred-broodmares-with-large-colon-disorders-1999-2015
#6
Alecsya H Broyles, Scott A Hopper, J Brett Woodie, Alan J Ruggles
OBJECTIVE: To describe a technique for colopexy via a left ventral paramedian incision and report postoperative clinical outcomes. STUDY DESIGN: Retrospective case series. ANIMALS: One hundred fifty-six thoroughbred broodmares treated with a colopexy through a left ventral paramedian incision between 1999 and 2015. METHODS: Medical records were reviewed for postoperative complications and survival to discharge. The survival rate at 1 year after surgery was based on the medical record, progeny record, or client telephone conversation...
April 6, 2018: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/29618502/group-b-streptococcus-vaginal-carriage-in-pregnant-women-deciphered-by-crispr-analysis
#7
Clemence Beauruelle, Adeline Pastuszka, Laurent Mereghetti, Philippe Lanotte
We evaluated the diversity of Group B Streptococcus (GBS) vaginal carriage populations in pregnant women. For this purpose, we studied each isolate present in a primary culture of a vaginal swab using a new approach based on Clustered Regularly Interspaced Short Palindromic Repeats (CRISPR) locus analysis. To evaluate the CRISPR array composition rapidly, a Restriction Fragment Length Polymorphism (RFLP) analysis was performed. For each different pattern observed, the CRISPR array was sequenced and capsular typing and Multi Locus Sequence Typing (MLST) were performed...
April 4, 2018: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/29594949/characterization-of-multiple-antibiotic-resistant-clinical-strains-of-staphylococcus-isolated-from-pregnant-women-vagina
#8
Bakwena Ashton Hetsa, Ajay Kumar, Collins Njie Ateba
Vagina which is one of the important reservoirs for Staphylococcus and in pregnant women pathogenic strains may infect the child during the birth or by vertical transmission. A total of 68 presumptive Staphylococcus strains isolated from human vagina were found to be gram-positive cocci, and only 32 (47%) isolates were found beta-hemolytic. Matrix-assisted laser desorption/ionization time-of-flight mass-spectrometry (MALDI-TOF MS) results confirmed 33 isolates belonged to Staphylococcus which consisting of 6 species, i...
March 29, 2018: Folia Microbiologica
https://www.readbyqxmd.com/read/29570709/disentangling-factors-that-shape-the-gut-microbiota-in-german-shepherd-dogs
#9
Åsa Vilson, Ziad Ramadan, Qinghong Li, Åke Hedhammar, Arleigh Reynolds, Julie Spears, Jeff Labuda, Robyn Pelker, Bengt Björkstén, Johan Dicksved, Helene Hansson-Hamlin
The aim of this study was to explore the development of the gut microbiota in 168 German Shepherd dogs (30 litters) from 7 weeks to 18 months of age and furthermore, to study the effect of relatedness, maternal microbiota composition and living environment in a large and well-defined population of dogs. Using 454 pyrosequencing, we assessed the effects of pre- and postnatal probiotic supplementation (Lactobacillus johnsonii NCC533 (La1)) and analysed whether administration of the probiotic strain influenced fecal microbiota composition in a placebo controlled double-blinded study...
2018: PloS One
https://www.readbyqxmd.com/read/29559801/vertical-transmission-of-group-b-streptococcus-and-associated-factors-among-pregnant-women-a-cross-sectional-study-eastern-ethiopia
#10
Tesfaye Assebe Yadeta, Alemayehu Worku, Gudina Egata, Berhanu Seyoum, Dadi Marami, Yemane Berhane
Background: Vertically transmitted group B Streptococcus (GBS) causes fetal and neonatal infections. However, there is limited information on the vertical transmission of GBS in low-income countries. This study, therefore, aimed to determine the rate of vertical transmission of GBS and associated factors among pregnant women in Eastern Ethiopia. Subjects and methods: A cross-sectional, facility-based study was conducted among pregnant women in Harar town, Eastern Ethiopia, from June to October, 2016...
2018: Infection and Drug Resistance
https://www.readbyqxmd.com/read/29543148/prevalence-antimicrobial-resistance-and-serotype-distribution-of-group-b-streptococcus-isolated-among-pregnant-women-and-newborns-in-rabat-morocco
#11
Cinta Moraleda, Rachid Benmessaoud, Jessica Esteban, Yuly López, Hassan Alami, Amina Barkat, Tligui Houssain, Meryem Kabiri, Rachid Bezad, Saad Chaacho, Lola Madrid, Jordi Vila, Carmen Muñoz-Almagro, Jordi Bosch, Sara M Soto, Quique Bassat
PURPOSE: Group B streptococcus (GBS) is an important cause of neonatal sepsis worldwide. Data on the prevalence of maternal GBS colonization, risk factors for carriage, antibiotic susceptibility and circulating serotypes are necessary to tailor adequate locally relevant public health policies. METHODOLOGY: A prospective study including pregnant women and their newborns was conducted between March and July 2013 in Morocco. We collected clinical data and vagino-rectal and urine samples from the recruited pregnant women, together with the clinical characteristics of, and body surface samples from, their newborns...
March 15, 2018: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/29520519/a-cytosol-derived-factor-of-group-b-streptococcus-prevent-its-invasion-into-human-epithelial-cells
#12
Manju Ohri, Smriti Parashar, Venkatesh S Pai, Sujata Ghosh, Anuradha Chakraborti
Group B streptococcus (GBS) or Streptococcus agalactiae, is an opportunistic pathogen causing a wide range of infections like pneumonia, sepsis, and meningitis in newborn, pregnant women and adults. While this bacterium has adapted well to asymptomatic colonization of adult humans, it still remains a potentially devastating pathogen to susceptible infants. Advances in molecular techniques and refinement of in vitro and in vivo model systems have elucidated key elements of the pathogenic process, from initial attachment to the maternal vaginal epithelium to penetration of the newborn blood-brain barrier...
March 8, 2018: World Journal of Microbiology & Biotechnology
https://www.readbyqxmd.com/read/29519594/molecular-characteristics-of-streptococcus-agalactiae-in-a-mother-baby-prospective-cohort-study-implication-for-vaccine-development-and-insights-into-vertical-transmission
#13
Shunming Li, Guoming Wen, Xuelian Cao, Dan Guo, Zhenjiang Yao, Chuan'an Wu, Xiaohua Ye
BACKGROUND: Streptococcus agalactiae (GBS) is a leading cause of neonatal sepsis and meningitis in many countries. This study aimed to determine the molecular characteristics of GBS colonized in mothers and their infants so as to provide implication for vaccine strategies and confirm vertical transmission. METHODS: A prospective cohort study was conducted to recruit 1815 mother-neonate pairs. All GBS isolates from pregnant women and her infants were tested for serotypes, multilocus sequence types and virulence genes...
March 5, 2018: Vaccine
https://www.readbyqxmd.com/read/29500947/number-of-colony-forming-units-in-urine-at-35-37-weeks-gestation-as-predictor-of-the-vaginal-load-of-group-b-streptococci-at-birth
#14
Mohammed Rohi Khalil, Poul Bak Thorsen, Jens Kjølseth Møller, Niels Uldbjerg
OBJECTIVE: To evaluate GBS colony numbers in the urine at 35-37 weeks' gestation to predict the load of GBS-colonization of the vagina at birth. STUDY DESIGN: In this prospective observational study, we included 902 unselected pregnant women. Exposure was GBS colony forming units (CFU) per mL urine at 35-37 weeks' gestation. Outcome was vaginal GBS colonization at birth as assessed by a semi-quantitative culture of a vaginal swab sample (negative, +1, +2, +3). RESULTS: Bacteriuria with GBS at 35-37 weeks' gestation performed with a sensitivity of 30% concerning any degree of vaginal GBS colonization at birth (31 of 104 cases); 19% for light (+1), 17% for medium (+2), and 52% for high load (+3) vaginal GBS colonization...
April 2018: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/29495215/-progress-on-influencing-factors-regarding-the-neonatal-group-b-streptococcal-infectious-diseases
#15
X Hong, H Yu, B Wang
Group B streptococcus (GBS) is one of the severe pathogenic bacteria during the perinatal period, both on pregnant women and newborns. GBS infection may lead to pneumonia, septicemia, meningitis or other severe disease, even death in neonates. Although only 1%-2% infections will develop into GBS disease among the neonates, the etiological mechanism of which is worth researching. This review summarizes the possible factors related to GBS infection or occurrence of the disease, including the risk in gestation period (for example, colonization of GBS on vagina of pregnant women, preterm birth or premature rupture of fetal membranes and so on), related pathogens (bacteria strains, loads or virulence), immune level (inflammatory factor or neutralizing anticytokine auto-Abs), gene defect or primary immunodeficiencies of the hosts...
February 10, 2018: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/29483033/immunization-of-pregnant-cows-with-shiga-toxin-2-induces-high-levels-of-specific-colostral-antibodies-and-lactoferrin-able-to-neutralize-e-coli-o157-h7-pathogenicity
#16
Adriana Albanese, Flavia Sacerdoti, E Abril Seyahian, Maria Marta Amaral, Gabriela Fiorentino, Romina Fernandez Brando, Daniel A Vilte, Elsa C Mercado, Marina S Palermo, Angel Cataldi, Elsa Zotta, Cristina Ibarra
E. coli O157:H7 is a foodborne pathogen responsible for bloody diarrhea, hemorrhagic colitis and hemolytic uremic syndrome (HUS). The objective of the present work was to evaluate the ability of colostral IgG obtained from Stx2-immunized cows to prevent against E. coli O157:H7 infection and Stx2 cytotoxicity. Hyperimmune colostrum (HC) was obtained from cows intramuscularly immunized with inactivated Stx2 or vehicle for controls. Colostral IgG was purified by affinity chromatography. Specific IgG antibodies against Stx2 and bovine lactoferrin (bLF) levels in HC and the corresponding IgG (HC-IgG/bLF) were determined by ELISA...
February 23, 2018: Vaccine
https://www.readbyqxmd.com/read/29478370/parallel-detection-of-lactobacillus-and-bacterial-vaginosis-associated-bacterial-dna-in-the-chorioamnion-and-vagina-of-pregnant-women-at-term
#17
Sophia M R Lannon, Kristina M Adams Waldorf, Tina Fiedler, Raj P Kapur, Kathy Agnew, Lakshmi Rajagopal, Michael G Gravett, David N Fredricks
BACKGROUND: The majority of early preterm births are associated with intrauterine infections, which are thought to occur when microbes traffic into the uterus from the lower genital tract and seed the placenta. Bacterial vaginosis (BV) is associated with heterogeneous bacterial communities in the vagina and is linked to preterm birth. The extent to which trafficking into the uterus of normal and BV-associated vaginal bacteria occurs is unknown. The study objective was to characterize in parallel the distribution and quantities of bacteria in the vagina, uterus, and placental compartments...
February 25, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29451592/prevalence-of-streptococcus-agalactiae-colonization-in-pregnant-women-from-the-18th-health-region-of-paran%C3%A3-state
#18
Simone Cristina Castanho Sabaini de Melo, Aline Balandis Costa, Flávia Teixeira Ribeiro da Silva, Natália Maria Maciel Guerra Silva, Cristiano Massao Tashima, Rosilene Fressatti Cardoso, Rúbia Andreia F de Pádua, Isolde Previdelli, Maria Dalva de Barros Carvalho, Sandra Marisa Pelloso
Introduction The aim of this study was to determine the prevalence of GBS colonization in pregnant women in a public health service. Methods A study of 496 pregnant women at 35-37 gestational weeks was conducted from September 2011 to March 2014 in 21 municipalities of the 18th Health Region of Paraná State. Vaginal and anorectal samples of each woman were plated on sheep blood agar, and in HPTH and Todd-Hewitt enrichment broths. Results Of the 496 pregnant women, 141 (28.4%) were positive for GBS based on the combination of the three culture media with vaginal and anorectal samples...
2018: Revista do Instituto de Medicina Tropical de São Paulo
https://www.readbyqxmd.com/read/29447856/laparoscopic-sacrohysteropexy-in-a-woman-at-12-weeks-gestation
#19
Berna Haliloglu Peker, Erdin Ilter, Hakan Peker, Aygen Celik, Ali Gursoy, Onur Gunaldi
STUDY OBJECTIVE: To demonstrate laparoscopic sacrohysteropexy for a case of uterine prolapse in a 12 weeks, 3 days pregnant woman. To our knowledge this is the first case of laparoscopic sacrohysteropexy performed at 12 weeks of gestation to be reported in literature. DESIGN: A step-by-step explanation of the surgical procedure (Canadian Task Force classification III). SETTING: Maltepe University Hospital. PATIENT: A 37-year-old pregnant woman...
February 12, 2018: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/29434069/vaginal-lactobacilli-profile-in-pregnant-women-with-normal-abnormal-vaginal-flora
#20
Thirupathaiah Yeruva, Hemalatha Rajkumar, Vasundhara Donugama
Background & objectives: Lactobacilli species that are better adapted to vaginal environment of women may colonize better and offer protection against vaginal pathogenic bacteria. In this study, the distribution of common Lactobacillus species was investigated in pregnant women. Methods: Sixty seven pregnant women were included in the study and vaginal samples were collected for Gram staining. Women were classified as normal vaginal flora, intermediate flora and bacterial vaginosis (BV) based on Nugent's score...
October 2017: Indian Journal of Medical Research
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