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visual microbiology

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https://www.readbyqxmd.com/read/28045110/simplifying-multidimensional-fermentation-dataset-analysis-and-visualization-one-step-closer-to-capturing-high-quality-mutant-strains
#1
Xiang Zhou, Dan Xu, Ting-Ting Jiang
In this study, we analyzed mutants of Clostridium acetobutylicum, an organism used in a broad range of industrial processes related to biofuel production, to facilitate future studies of bioreactor and bioprocess design and scale-up, which are very important research projects for industrial microbiology applications. To accomplish this, we generated 329 mutant strains and applied principal component analysis (PCA) to fermentation data gathered from these strains to identify a core set of independent features for comparison...
January 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28043985/in-vivo-confocal-microscopy-appearance-of-fusarium-and-aspergillus-species-in-fungal-keratitis
#2
Jaya Devi Chidambaram, Namperumalsamy Venkatesh Prajna, Natasha Larke, David Macleod, Palepu Srikanthi, Shruti Lanjewar, Manisha Shah, Prajna Lalitha, Shanmugam Elakkiya, Matthew J Burton
BACKGROUND: Clinical outcomes in fungal keratitis vary between Fusarium and Aspergillus spp, therefore distinguishing between species using morphological features such as filament branching angles, sporulation along filaments (adventitious sporulation) or dichotomous branching may be useful. In this study, we assessed these three features within Heidelberg Retina Tomograph 3 in vivo confocal microscopy (IVCM) images from culture-positive Fusarium and Aspergillus spp keratitis participants...
January 2, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28017983/neuro-fuzzy-modeling-to-predict-physicochemical-and-microbiological-parameters-of-partially-dried-cherry-tomato-during-storage-effects-on-water-activity-temperature-and-storage-time
#3
Yang Tao, Yong Li, Ruiyun Zhou, Dinh-Toi Chu, Lijuan Su, Yongbin Han, Jianzhong Zhou
In the study, osmotically dehydrated cherry tomatoes were partially dried to water activity between 0.746 and 0.868, vacuum-packed and stored at 4-30 °C for 60 days. Adaptive neuro-fuzzy inference system (ANFIS) was utilized to predict the physicochemical and microbiological parameters of these partially dried cherry tomatoes during storage. Satisfactory accuracies were obtained when ANFIS was used to predict the lycopene and total phenolic contents, color and microbial contamination. The coefficients of determination for all the ANFIS models were higher than 0...
October 2016: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28001363/mass-spectrometry-imaging-of-complex-microbial-communities
#4
Sage J B Dunham, Joseph F Ellis, Bin Li, Jonathan V Sweedler
In the two decades since mass spectrometry imaging (MSI) was first applied to visualize the distribution of peptides across biological tissues and cells, the technique has become increasingly effective and reliable. MSI excels at providing complementary information to existing methods for molecular analysis-such as genomics, transcriptomics, and metabolomics-and stands apart from other chemical imaging modalities through its capability to generate information that is simultaneously multiplexed and chemically specific...
December 21, 2016: Accounts of Chemical Research
https://www.readbyqxmd.com/read/27982205/microbiological-and-epidemiological-study-of-infectious-keratitis-in-children-and-adolescents
#5
Maria Cecilia Zorat Yu, Ana Luisa Höfling-Lima, Guilherme Henrique Campos Furtado
Purpose: To analyze epidemiological and microbiological aspects of microbial keratitis in children and adolescents. Methods: This retrospective cohort study was conducted at the Department of Ophthalmology and Visual Science, Escola Paulista de Medicina, Universidade Federal de São Paulo, between July 15, 1975, and December 31, 2010. We analyzed corneal samples from 859 patients with clinical suspicion of infectious keratitis, comparing epidemiological and microbiological characteristics of bacterial keratitis with those of non-bacterial and non-viral keratitis...
September 2016: Arquivos Brasileiros de Oftalmologia
https://www.readbyqxmd.com/read/27964775/hygiene-on-maternity-units-lessons-from-a-needs-assessment-in-bangladesh-and-india
#6
Suzanne Cross, Kaosar Afsana, Morsheda Banu, Dileep Mavalankar, Emma Morrison, Atiya Rahman, Tapash Roy, Deepak Saxena, Kranti Vora, Wendy J Graham
BACKGROUND: As the proportion of deliveries in health institutions increases in low- and middle-income countries, so do the challenges of maintaining standards of hygiene and preventing healthcare-associated infections (HCAIs) in mothers and babies. Adequate water, sanitation, and hygiene (WASH) and infection prevention and control (IPC) in these settings should be seen as integral parts of the broader domain of quality care. Assessment approaches are needed which capture standards for both WASH and IPC, and so inform quality improvement processes...
2016: Global Health Action
https://www.readbyqxmd.com/read/27958225/pediatric-infectious-endophthalmitis-a-271-case-retrospective-study-at-a-single-center-in-china
#7
Meng Zhang, Ge-Zhi Xu, Rui Jiang, Ying-Qin Ni, Ke-Yan Wang, Rui-Ping Gu, Xin-Yi Ding
BACKGROUND: Pediatric infectious endophthalmitis is a serious sight-threatening disease for children. The purpose of this study was to investigate the etiology, microbiological spectrum, and visual outcomes of infectious endophthalmitis in children at a single institution in China. METHODS: It is a retrospective study of the medical records of all patients under 14 years of age with histories of infectious endophthalmitis, treated at a single institution from January 1, 2009 to January 1, 2015...
2016: Chinese Medical Journal
https://www.readbyqxmd.com/read/27920489/bleb-related-infections-clinical-characteristics-risk-factors-and-outcomes-in-an-asian-population
#8
Zhu Li Yap, You Chuen Chin, Judy Yu-Fen Ku, Tat Keong Chan, Gillian Teh, Monisha Esther Nongpiur, Tin Aung, Shamira A Perera
PURPOSE: Comparison of the demographic, ocular, systemic and microbiological characteristics of eyes with bleb related infection (BRI) and bleb related endophthalmitis (BRE). METHODS: Retrospective chart review of patients with BRI from January 1996-July 2013. Identification done via the center's longstanding endophthalmitis audit, BRI audit and laboratory database identifying all conjunctival swabs from blebs. Blebitis was defined as anterior segment inflammation with mucopurulent material in or around the bleb, with anterior chamber cells but no hypopyon...
2016: Clinical Ophthalmology
https://www.readbyqxmd.com/read/27899093/microbiological-profile-of-corneal-ulcer-cases-diagnosed-in-a-tertiary-care-ophthalmological-institute-in-nepal
#9
Sharmila Suwal, Dinesh Bhandari, Pratigya Thapa, Mohan Krishna Shrestha, Jyoti Amatya
BACKGROUND: Corneal ulcer, a major cause of monocular blindness in developing countries has consistently been listed as the major cause of blindness and visual disability in many of the developing nations in Asia, Africa and the Middle East, ranking second only to cataract. This study was carried out to determine the microbiological profile of corneal ulcer cases diagnosed among patients visiting Tilganga Institute of Ophthalmology (TIO), Nepal. METHODS: A total of 101 corneal scrapping samples were tested for routine culture and antibiotic susceptibility at the pathology department of TIO Nepal from April to October 2014...
November 29, 2016: BMC Ophthalmology
https://www.readbyqxmd.com/read/27896783/post-clear-corneal-phacoemulsification-endophthalmitis-profile-and-management-outcomes-at-a-tertiary-eye-care-center-in-western-india
#10
Aditya S Kelkar, Jai A Kelkar, Prajakta M Barve, Aishwarya Mulay, Shubhangi Sharma, Winfried Amoaku
BACKGROUND: Infectious endophthalmitis is a serious sight threatening intraocular inflammation that results from exogenous or endogenous spread of organisms into the eye.A retrospective case series to study the profile of endophthalmitis following clear corneal phacoemulsification in western India between years 2008 and 2014 was held in the National Institute of Ophthalmology, Pune, India. Cases of endophthalmitis post-clear corneal phacoemulsification were reviewed pertaining to demography, clinical history, surgeon experience, surgical complications, time of onset following surgery, duration between onset of symptoms and presentation to the center, presenting visual acuity and at follow-ups, slit-lamp examination and ultrasound findings, vitreous tap culture results, treatment, and final functional and anatomical outcomes...
December 2016: Journal of Ophthalmic Inflammation and Infection
https://www.readbyqxmd.com/read/27889501/endophthalmitis-after-clear-corneal-cataract-surgery-outcomes-over-two-decades
#11
Nicolas A Yannuzzi, Nancy Si, Nidhi Relhan, Ajay E Kuriyan, Thomas A Albini, Audina M Berrocal, Janet L Davis, William E Smiddy, Justin Townsend, Darlene Miller, Harry W Flynn
PURPOSE: To report the clinical features, causative organisms, and visual acuity (VA) outcomes associated with acute-onset endophthalmitis after clear corneal cataract surgery over the past two decades. DESIGN: Retrospective case series. METHODS: Clinical and microbiology records were reviewed for 63 eyes of 63 patients who presented to a tertiary referral center between 2006 and 2015 with culture-positive endophthalmitis occurring within 6 weeks of clear corneal cataract surgery...
November 23, 2016: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/27888495/an-unusual-presentation-of-intraocular-tuberculosis-in-a-monocular-patient-clinicopathological-correlation
#12
Kanika Aggarwal, Aniruddha Agarwal, Shobha Sehgal, Suryaprakash Sharma, Nirbhai Singh, Kusum Sharma, Ramanuj Samanta, Alessandro Invernizzi, Aman Sharma, Vishali Gupta
BACKGROUND: Lack of uniform diagnostic criteria often poses a challenge in the diagnosis and management of tubercular uveitis. The index case describes an unusual presentation of tubercular panuveitis initially misdiagnosed as sympathetic ophthalmia, where the appropriate diagnosis was made using various imaging and laboratory investigations. RESULTS: A 52-year-old Indian woman underwent multimodal imaging, extensive clinical and laboratory work-up, and analysis of microbiological and histopathological specimens...
December 2016: Journal of Ophthalmic Inflammation and Infection
https://www.readbyqxmd.com/read/27887598/comparison-of-the-most-common-isolates-of-postoperative-endophthalmitis-in-south-korea-enterococcus-species-vs-coagulase-negative-staphylococci
#13
Ki Yup Nam, Hyun Wong Kim, Woo Jin Jeung, Jung Min Park, Jong Moon Park, In Young Chung, Yong Seop Han, Bu Sup Oum, Ji Eun Lee, Ik Soo Byon, Il Han Yun, Joo Eun Lee, Hee Sung Yoon, Dong Park, Byeng Chul Yu, Sang Joon Lee
BACKGROUND: To compare the related factors or manifestations of the two most common isolates of post-operative endophthalmitis, which were Enterococcus spp. and coagulase-negative staphylococci (CNS) in South Korea. METHODS: Medical records were reviewed for cases of post-operative endophthalmitis caused by Enterococcus spp. and CNS at eight institutions between January 2004 and July 2010. Various factors including age, sex, residence, systemic diseases, smoking and drinking history, and best corrected visual acuity, and length of time between causative intraocular surgery and symptom development were compared between the two groups...
November 25, 2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27882513/comparison-of-clinico-microbiological-profile-and-treatment-outcome-of-in-house-and-referred-post-cataract-surgery-endophthalmitis-in-a-tertiary-care-center-in-south-india
#14
Vikas Ambiya, Taraprasad Das, Savitri Sharma, Jay Chhablani, Vivek Dave, Subhadra Jalali, Raja Narayanan, Joveeta Joseph
BACKGROUND: The purpose of the study is to compare the clinico-microbiological profile and treatment outcome of in-house vs referred cases of post cataract surgery endophthalmitis in a tertiary eye care facility in South India. METHODS: The clinical records of 50 culture-positive cases each of in-house (group A) and referred (group B) post cataract surgery endophthalmitis were analyzed. The management protocol was similar in both groups. RESULTS: The time to report to the institute was longer in group B (group B 13...
December 2016: Journal of Ophthalmic Inflammation and Infection
https://www.readbyqxmd.com/read/27870779/painless-acanthamoeba-keratitis-with-normal-vision
#15
Pui Wai Rachel Kwok, Ka Wai Kam, Vishal Jhanji, Alvin L Young
PURPOSE: To report an atypical case of contact lens-related Acanthamoeba keratitis. CASE REPORT: A 15-year-old secondary school female student with a history of soft contact lens wear was referred to our hospital by a private general practitioner for management of right eye redness and discomfort for 2 weeks. Upon examination, the best-corrected visual acuity was 20/20 and 20/16 for her right and left eyes, respectively. There was diffuse radial keratoneuritis noted in the cornea of her right eye without any associated epithelial defect...
November 19, 2016: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/27859922/cadexomer-iodine-provides-superior-efficacy-against-bacterial-wound-biofilms-in-vitro-and-in-vivo
#16
Daniel J Fitzgerald, Paul J Renick, Emma C Forrest, Shannon P Tetens, David N Earnest, Jillian McMillan, Brett M Kiedaisch, Lei Shi, Eric D Roche
Examination of clinical samples indicates bacterial biofilms are present in the majority of chronic wounds, and substantial evidence suggests biofilms contribute significantly to delayed healing. Bacteria in biofilms are highly tolerant of antimicrobials, and little data exist to guide the choice of anti-biofilm wound therapy. Cadexomer iodine (CI) was recently reported to have superior efficacy compared to diverse wound dressings against Pseudomonas aeruginosa biofilms in an ex vivo model. In the current study, the strong performance of CI vs...
November 17, 2016: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/27851857/assessing-the-efficacy-and-safety-of-eravacycline-vs-ertapenem-in-complicated-intra-abdominal-infections-in-the-investigating-gram-negative-infections-treated-with-eravacycline-ignite-1-trial-a-randomized-clinical-trial
#17
Joseph Solomkin, David Evans, Algirdas Slepavicius, Patrick Lee, Andrew Marsh, Larry Tsai, Joyce A Sutcliffe, Patrick Horn
Importance: Eravacycline is a novel, fully synthetic fluorocycline antibiotic of the tetracycline class with in vitro activity against clinically important gram-negative, gram-positive aerobic, and facultative bacteria including most of those resistant to cephalosporins, fluoroquinolones, β-lactam/β-lactamase inhibitors, multidrug resistant strains and carbapenem-resistant Enterobacteriaceae, and most anaerobic pathogens. Objective: To evaluate the efficacy and safety of eravacycline compared with ertapenem in adult hospitalized patients with complicated intra-abdominal infections (cIAIs)...
November 16, 2016: JAMA Surgery
https://www.readbyqxmd.com/read/27847017/laparoscopy-in-the-diagnosis-of-tuberculosis-in-chronic-pelvic-pain
#18
Shalini Rajaram, Priyanka Gupta, Bindiya Gupta, Iqbal R Kaur, Neerja Goel
BACKGROUND: To estimate the prevalence of genital tuberculosis in women with idiopathic chronic pelvic pain on laparoscopy, correlate laparoscopic findings with microbiological and histological diagnosis of tuberculosis and assess the response to anti tubercular treatment (ATT) in these cases. METHOD: In a prospective cohort study, fifty women with idiopathic chronic pelvic pain were enrolled. Diagnostic laparoscopy was done in all women and fluid from pouch of Douglas and/or saline washings were sent for acid fast bacilli (AFB) smear, conventional and rapid culture and DNA polymerase chain reaction (PCR) analysis for diagnosis of genital TB...
September 2016: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/27826414/standardization-of-double-blind-placebo-controlled-food-challenge-with-soy-within-a-multicentre-trial
#19
R Treudler, A Franke, A Schmiedeknecht, B K Ballmer-Weber, M Worm, T Werfel, U Jappe, T Biedermann, J Schmitt, R Brehler, A Kleinheinz, J Kleine-Tebbe, H Brüning, F Ruëff, J Ring, J Saloga, K Schäkel, T Holzhauser, St Vieths, J C Simon
BACKGROUND: Multicentre trials investigating food allergies by double blind placebo controlled food challenges (DBPCFC) need standardized procedures, challenge meals and evaluation criteria. We aimed at developing a standardized approach for identifying patients with birch related soy allergy by means of DBPCFC to soy, including determination of threshold levels, in a multicentre setting. METHODS: Microbiologically stable soy challenge meals were composed of protein isolate with consistent Gly m 4 levels...
2016: Clinical and Translational Allergy
https://www.readbyqxmd.com/read/27787540/effect-of-oral-voriconazole-on-fungal-keratitis-in-the-mycotic-ulcer-treatment-trial-ii-mutt-ii-a-randomized-clinical-trial
#20
N Venkatesh Prajna, Tiruvengada Krishnan, Revathi Rajaraman, Sushila Patel, Muthiah Srinivasan, Manoranjan Das, Kathryn J Ray, Kieran S O'Brien, Catherine E Oldenburg, Stephen D McLeod, Michael E Zegans, Travis C Porco, Nisha R Acharya, Thomas M Lietman, Jennifer Rose-Nussbaumer
Objective: To compare oral voriconazole with placebo in addition to topical antifungals in the treatment of filamentous fungal keratitis. Design, Setting, and Participants: The Mycotic Ulcer Treatment Trial II (MUTT II), a multicenter, double-masked, placebo-controlled, randomized clinical trial, was conducted in India and Nepal, with 2133 individuals screened for inclusion. Patients with smear-positive filamentous fungal ulcers and visual acuity of 20/400 (logMAR 1...
December 1, 2016: JAMA Ophthalmology
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