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1

Wong, Sally Cheuk Ying, Rosana W. S. Poon, Chuen-Hing Foo, et al. "Novel selective medium for the isolation of corynebacterium kroppenstedtii from heavily colonised clinical specimens." Journal of Clinical Pathology 71, no. 9 (2018): 781–86. http://dx.doi.org/10.1136/jclinpath-2017-204834.

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AimsGranulomatous mastitis due to Corynebacterium kroppenstedtii is an increasingly recognised cause of an indolent and distressing mastitis in non-lactating females. This slow-growing lipophilic organism is not reliably isolated using routine culture methods. A novel selective culture medium (CKSM) is designed to optimise the isolation of this organism from clinical specimens.MethodsCKSM contains 10% galactose and Tween 80 (10%) to enhance the growth of C. kroppenstedtii, fosfomycin (100 µg/mL) to suppress the other bacteria, and differentiate C. kroppenstedtii from non-kroppenstedtii lipophi
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2

Xiao, Nan, and Xiu-Ying Zhao. "Clinical Identification of Two Novel C. kroppenstedtii-like Species Isolated as Pathogens of Granulomatous Lobular Mastitis." Pathogens 13, no. 10 (2024): 880. http://dx.doi.org/10.3390/pathogens13100880.

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Granulomatous lobular mastitis (GLM) is a rare benign breast inflammatory disease that affects women of childbearing age. Corynebacterium species, especially Corynebacterium kroppenstedtii, was reported as the pathogen of GLM. A recent study showed that the C. kroppenstedtii complex is composed of C. kroppenstedtii and two novel species, C. parakroppenstedtii and C. pseudokroppenstedtii. The study presents seven C. kroppenstedtii-like strains isolated from GLM patients. However, they turned out to be six strains of C. parakroppenstedtii and one strain of C. pseudokroppenstedtii according to 16
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3

Priyancaa, Jeyabaladevan, Kazzazi Fawz, and Ghanim Amr. "Chronic Breast Abscess Caused by Corynebacterium Kroppenstedtii." Jou 4, no. 3 (2021): 8–11. https://doi.org/10.31014/aior.1994.04.03.171.

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Corynebacterium is being increasingly isolated in specimens to be proven as a causative organism in clinical disease, especially breast abscesses and mastitis. Specifically, Corynebacterium kroppenstedtii lacks the typical mycolic acids of the cell envelope, requiring lipid rich areas to grow, hence the mammary areas being ideal for its proliferation. Conservative treatment is routinely first line in breast abscess, however commonly prescribed antibiotics such as beta lactams and fluoroquinolones, are hydrophilic and do not penetrate in lipid rich environments such as the breast, thus patients
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4

Dastager, Syed G., Rahul Mawlankar, Shan-Kun Tang, et al. "Rhodococcus enclensis sp. nov., a novel member of the genus Rhodococcus." International Journal of Systematic and Evolutionary Microbiology 64, Pt_8 (2014): 2693–97. http://dx.doi.org/10.1099/ijs.0.061390-0.

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A novel actinobacterial strain, designated, NIO-1009T, was isolated from a marine sediment sample collected from Chorao Island, Goa, India. Phylogenetic analysis comparisons based on 16S rRNA gene sequences between strain NIO-1009T and other members of the genus Rhodococcus revealed that strain NIO-1009T had the closest sequence similarity to Rhodococcus kroppenstedtii DSM 44908T and Rhodococcus corynebacterioides DSM 20151T with 99.2 and 99.1 %, respectively. Furthermore, DNA–DNA hybridization results showed that R. kroppenstedtii DSM 44908T and R. corynebacterioides DSM 20151T were 39.5 (3.0
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5

Chaudhari, Varsha Madhukar. "ASSESSMENT OF BIO-PROCESS VARIABLES FOR THE ENHANCED PRODUCTION OF CAROTENOID PIGMENT BY SOIL ISOLATE RHODOCOCCUS kroppenstedtii." Journal of Applied Biological Sciences 15, no. 3 (2021): 235–46. https://doi.org/10.71336/jabs.868.

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ABSTRACT. Natural pigments like carotenoids are known for possessing an extensive range of health promoting antioxidant, antibacterial and anticancer properties. Rhodococcus kroppenstedtii has the potential to produce an intense red carotenoid pigment. There are various factors influencing the pigments productions, among which are the nutrient media composition, pH, temperature, aeration, incubation time and inoculum concentration. This study aimed at improving the medium composition for efficient and economical production of pigment. The present research work revealed the influence of various
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6

Lilwani, Simran R., Muzammil Ahmad Shaikh Khan, Parvathi J. R., and Madhavi R. Vernekar. "Exploring Carotenoid from Rhodococcus Kroppenstedtii as a Photosensitizer in a Dye Sensitised Solar Cell." Defence Life Science Journal 8, no. 2 (2023): 111–15. http://dx.doi.org/10.14429/dlsj.8.17920.

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A Dye-Sensitised Solar Cell (DSSC) is a low-cost thin film solar cell that works in diffused light and comes in a variety of colors. Most of the investigations on organic dye-based DSSC have used pigments from flowers and fruits as photosensitizers. With the majority of the world's economy reliant on agriculture to meet the food and feed demand, using agricultural resources for color extraction is not a realistic solution. Alternative dye resources, such as microorganisms, must thus be investigated in DSSCs to ensure a long-term future. The present study was a preliminary investigation to expl
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7

Sardana, Raman, Hena Butta, Kirti Gilotra, Leena Mendiratta, Pankaj Baweja, and Ramesh Sarin. "Non-diphtheriae Corynebacteria Causing Breast Abscess in Non-lactating Females Seeking to Avoid Pitfalls in Diagnosis of Chronic Breast Infections Through Diagnostic Stewardship." Annals of Pathology and Laboratory Medicine 9, no. 6 (2022): A115–120. http://dx.doi.org/10.21276/apalm.3162.

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Background: Consideration of non-diphtheriae Corynebacteria as an infective organism in mastitis, is usually neglected. So, infections due to Corynebacterium species may remain undiagnosed or misdiagnosed. The aim of our study was to focus on non-diphtheriae Corynebacterium as causative organisms in breast infections using scientific logic and technology of Matrix Assisted Laser Desorption Ionisation Time of Flight Mass Spectrometry (MALDITOF MS) to categorize the isolates upto species level. The clinical correlation and response to management especially targeted antimicrobials was also record
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8

Naik, Madhavi A., Aruna Korlimarla, Smrithi T. Shetty, Anisha M. Fernandes, and Sanjay A. Pai. "Cystic Neutrophilic Granulomatous Mastitis: A Clinicopathological Study With 16s rRNA Sequencing for the Detection of Corynebacteria in Formalin-Fixed Paraffin-Embedded Tissue." International Journal of Surgical Pathology 28, no. 4 (2019): 371–81. http://dx.doi.org/10.1177/1066896919896021.

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Cystic neutrophilic granulomatous mastitis (CNGM) is a histologically characterized variant of granulomatous lobular mastitis that is associated with lipophilic Corynebacterium species. It remains a largely underrecognized entity in India. Our aim was to study CNGM in the Asian Indian population and explore if 16s rRNA sequencing could be used on formalin-fixed paraffin-embedded (FFPE) tissue to identify the causative organism. We studied 24 cases with histological features of CNGM with hematoxylin and eosin, Gram, Ziehl-Neelsen, and Periodic acid–Schiff stains. Tuberculosis-polymerase chain r
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9

Ibarra, Alvaro, Juan Donaire, Carolina Behnke, Alberto Salas, and Camila Sanhueza. "Bilateral Cystic Neutrophilic Granulomatous Mastitis Due to Corynebacterium tuberculostearicum." American Journal of Clinical Pathology 152, Supplement_1 (2019): S47. http://dx.doi.org/10.1093/ajcp/aqz113.025.

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Abstract Introduction Cystic neutrophilic granulomatous mastitis (CNGM) is a form of breast lobulocentric granulomatous inflammation characterized by cystic spaces of dissolved lipid, surrounded by neutrophils. Corynebacterium is frequently the etiological agent, specially C kroppenstedtii. It is often painful and can simulate malignancy by clinical and imaging features. Clinical Case A 36-year-old woman, three pregnancies with puerperal mastitis in all. Consults by increase in left breast volume, painful, 1-month evolution, with erythema and not quantified fever. With antibiotherapy, erythema
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10

Mitchell, Kaitlin, Erin McElvania, Meghan Wallace, Amy Robertson, Lars Westblade, and Carey-Ann Burnham. "Rapid Emergence of Daptomycin Resistance in Nonstriatum Corynebacterium Species: A Multicenter Study." American Journal of Clinical Pathology 152, Supplement_1 (2019): S32—S33. http://dx.doi.org/10.1093/ajcp/aqz112.062.

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Abstract Members of the genus Corynebacterium are increasingly recognized as causes of opportunistic infection; some species can be multidrug resistant, posing a treatment challenge. Daptomycin is frequently used as therapy of last resort in this setting, but previous work from our group demonstrated the ability of C striatum clinical isolates to rapidly develop high-level resistance to daptomycin, both in vivo and in vitro. Here, our objective was to expand this investigation into a multicenter study evaluating multiple Corynebacterium species. Corynebacterium strains from three tertiary-care
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11

Lee, Soon Dong, In Seop Kim, Young-Ju Kim, and Yochan Joung. "Rhodococcus cavernicola sp. nov., isolated from a cave, and Rhodococcus degradans is a later heterosynonym of Rhodococcus qingshengii." International Journal of Systematic and Evolutionary Microbiology 70, no. 7 (2020): 4409–15. http://dx.doi.org/10.1099/ijsem.0.004126.

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A Gram-reaction-positive, strictly aerobic, catalase-positive, oxidase-negative, non-motile actinobacterium, designated C1-24T, was isolated from a soil sample collected inside a natural cave. The organism exhibited a rod–coccus developmental cycle during its growth phase. Results of 16S rRNA gene-based phylogenetic analysis showed that the novel strain belonged to the genus Rhodococcus and formed a distinct sublineage at the base of the radiation including a Rhodococcus enclensis–Rhodococcus kroppenstedtii–Rhodococcus corynebacterioides–Rhodococcus trifoli cluster. In the results of phylogeno
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12

Yang, Guiqin, Dongxing Qin, Chu Wu, Yong Yuan, Shungui Zhou, and Yanfei Cai. "Kroppenstedtia guangzhouensis sp. nov., a thermoactinomycete isolated from soil." International Journal of Systematic and Evolutionary Microbiology 63, Pt_11 (2013): 4077–80. http://dx.doi.org/10.1099/ijs.0.051011-0.

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A Gram-stain-positive, spore-forming, aerobic and filamentous thermoactinomycete, designated GD02T, was isolated from soil in south China. The isolate could grow in the presence of 0–3.0 % NaCl (w/v), at temperatures of 30–60 °C and at pH 5.5–9.5, forming ivory-coloured colonies. When the 16S rRNA gene sequence of the isolate was compared with those of other bacteria, the highest similarity was observed with Kroppenstedtia eburnea DSM 45196T (96.1 % 16S rRNA gene sequence similarity). The G+C content of the genomic DNA was 56.3 mol%, the cell-wall peptidoglycan contained ll-diaminopimelic acid
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13

von Jan, Mathias, Nicole Riegger, Gabriele Pötter, et al. "Kroppenstedtia eburnea gen. nov., sp. nov., a thermoactinomycete isolated by environmental screening, and emended description of the family Thermoactinomycetaceae Matsuo et al. 2006 emend. Yassin et al. 2009." International Journal of Systematic and Evolutionary Microbiology 61, no. 9 (2011): 2304–10. http://dx.doi.org/10.1099/ijs.0.026179-0.

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A Gram-positive, spore-forming, aerobic, filamentous bacterium, strain JFMB-ATET, was isolated in 2008 during environmental screening of a plastic surface in grade C in a contract manufacturing organization in southern Germany. The isolate grew at temperatures of 25–50 °C and at pH 5.0–8.5, forming ivory-coloured colonies with sparse white aerial mycelia. Chemotaxonomic and molecular characteristics of the isolate matched those described for members of the family Thermoactinomycetaceae, except that the cell-wall peptidoglycan contained ll-diaminopimelic acid, while all previously described mem
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14

Addou, Ammara Nariman, Peter Schumann, Cathrin Spröer, Hocine Hacene, Jean-Luc Cayol, and Marie-Laure Fardeau. "Melghirimyces algeriensis gen. nov., sp. nov., a member of the family Thermoactinomycetaceae , isolated from a salt lake." International Journal of Systematic and Evolutionary Microbiology 62, Pt_7 (2012): 1491–98. http://dx.doi.org/10.1099/ijs.0.028985-0.

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A novel filamentous bacterium, designated NariEXT, was isolated from soil collected from Chott Melghir salt lake, which is located in the south-east of Algeria. The strain was an aerobic, halotolerant, thermotolerant, Gram-positive bacterium that was able to grow in NaCl concentrations up to 21 % (w/v), at 37–60 °C and at pH 5.0–9.5. The major fatty acids were iso- and anteiso-C15 : 0. The DNA G+C content was 47.3 mol%. The major menaquinone was MK-7, but MK-6 and MK-8 were also present. The polar lipid profile consisted of phosphatidylglycerol, diphosphatidylglycerol, phosphatidylethanolamine
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15

Stevenson, Daniel R., Satya Das, Jonathan Lambourne, Serena F. C. Ledwidge, Laura Johnson, and Caryn Rosmarin. "Corynebacterium kroppenstedtii breast abscesses in context, a retrospective cohort study." Journal of Medical Microbiology 71, no. 12 (2022). http://dx.doi.org/10.1099/jmm.0.001616.

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Corynebacterium kroppenstedtii breast abscesses and granulomatous mastitis have gained increased recognition in the 20 years since their association was first described. No studies to date have described this organism in the context of all breast abscess pathogens. We retrospectively reviewed 160 community-acquired breast abscess samples from 135 patients in a 3 year period, describing the organisms isolated along with risk factors, site of infection and outcomes. We compared patient subgroups with acute and chronic abscesses, the latter defined as having a requirement for repeat aspiration mo
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16

Tariq, Hamza, Preethi D. Menon, Hongxin Fan, et al. "Detection of Corynebacterium kroppenstedtii in Granulomatous Lobular Mastitis Using Real-Time Polymerase Chain Reaction and Sanger Sequencing on Formalin-Fixed, Paraffin-Embedded Tissues." Archives of Pathology & Laboratory Medicine, September 10, 2021. http://dx.doi.org/10.5858/arpa.2021-0061-oa.

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Context.— Associations between granulomatous lobular mastitis (GLM) and Corynebacterium kroppenstedtii have been reported since 2002, but large scale studies to assess the actual prevalence of this bacterium in GLM have not been performed. Objective.— To assess the prevalence of C kroppenstedtii in GLM using real-time polymerase chain reaction and Sanger sequencing. Design.— We analyzed formalin-fixed, paraffin-embedded tissues from 67 cases of GLM by sequential DNA amplification and sequencing to assess the rate of C kroppenstedtii detection in GLM. A retrospective analysis including patient
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17

Zeng, Weiwei, Sixian Lao, Wenbin Jia, et al. "Clinical features and recurrence of Corynebacterium kroppenstedtii infection in patients with mastitis." BMC Women's Health 22, no. 1 (2022). http://dx.doi.org/10.1186/s12905-022-01859-y.

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Abstract Background Few studies have investigated the differences in clinical features of patients with mastitis following Corynebacterium kroppenstedtii infection, and most focused on the bacterial antimicrobial susceptibility, detection methods and therapy. Methodology There were 133 patients with mastitis infected by C. kroppenstedtii between August 2016 and September 2019. C. kroppenstedtii was identified using mass spectrometry. The demographics, clinical diagnosis, laboratory test results of different types of mastitis combined with bacillus infection, and the effects of different treatm
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18

Gan, Qiong, Yang Ding, Yun Wu, et al. "Infections Due to Corynebacterium kroppenstedtii With Focus on Granulomatous Lobular Mastitis for Tissue Specificity, Pathogenesis, Bacteriologic Workup, and Treatment." Archives of Pathology & Laboratory Medicine, January 13, 2025. https://doi.org/10.5858/arpa.2024-0365-oa.

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Context.— Corynebacterium kroppenstedtii may cause granulomatous lobular mastitis (GLM). Yet, current understanding is limited regarding its overall clinical significance, cultivation practice, GLM pathogenesis, and antimicrobial treatment. Objective.— To report the isolation and significance of C kroppenstedtii, features of patients with GLM, pathologic findings and mechanism, bacteriologic workup, and optimal treatment. Design.— Analysis of the cases with C kroppenstedtii at The University of Texas MD Anderson Cancer Center from 2016 to March 2024 for mechanistic insights. Results.— During a
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19

Abdalla, Elmustafa, Ahmed Elmudathir, Ahmed H. Ahmed, et al. "Clindamycin: an effective treatment for granulomatous mastitis caused by Corynebacterium kroppenstedtii in a pregnant patient." European Journal of Case Reports in Internal Medicine, December 19, 2023. http://dx.doi.org/10.12890/2023_004184.

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Corynebacterium spp. are Gram-positive bacteria, and recent studies have proposed a potential link between granulomatous mastitis and Corynebacterium kroppenstedtii infections, posing a challenge in selecting appropriate antibiotics, particularly in pregnant women. A young pregnant woman presented with a palpable lump in her left breast. Subsequent assessment revealed the presence of necrotising granulomatous mastitis attributed to C. kroppenstedtii. Initially treated with amoxicillin/clavulanate, the patient showed no improvement. Consequently, clindamycin was administered based on culture an
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20

Luo, Qiang, Qianming Chen, Junhui Feng, et al. "Classification of 27 Corynebacterium kroppenstedtii -Like Isolates Associated with Mastitis in China and Descriptions of C. parakroppenstedtii sp. nov. and C. pseudokroppenstedtii sp. nov." Microbiology Spectrum, March 15, 2022. http://dx.doi.org/10.1128/spectrum.01372-21.

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In this study, we characterized two novel species that were closely related to but hard to distinguish from C . kroppenstedtii by routine identification methods used in clinical laboratories. Since all 27 C. kroppenstedtii -like isolates were obtained from breast specimens of female patients with mastitis, they may be potential pathogens causing mastitis. We hope to perform further epidemiological investigation of these strains and explore their role in mastitis.
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21

Wong, Sally C. Y., Rosana W. S. Poon, Jonathan H. K. Chen, et al. "Corynebacterium kroppenstedtii Is an Emerging Cause of Mastitis Especially in Patients With Psychiatric Illness on Antipsychotic Medication." Open Forum Infectious Diseases 4, no. 2 (2017). http://dx.doi.org/10.1093/ofid/ofx096.

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Abstract This retrospective study of patients with Corynebacterium kroppenstedtii infections revealed a predominance of mastitis and a potential association with psychiatric illnesses. At least one third of our patients with C kroppenstedtii mastitis had psychiatric illness, and >92% received antipsychotic medications. Drug-induced hyperprolactinemia may be an important modifiable risk factor in these patients.
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22

Kang, Yi, Yuxin Chen, Zhifeng Zhang, Han Shen, Wanqing Zhou, and Chao Wu. "A case of peritoneal dialysis-associated peritonitis caused by Rhodococcus kroppenstedtii." BMC Infectious Diseases 21, no. 1 (2021). http://dx.doi.org/10.1186/s12879-021-06280-8.

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Abstract Background Rhodococcus kroppenstedtii is an aerobic, gram-positive bacterium firstly identified in the environment, which has not been reported in human-related infection. Herein, we reported the first case of peritoneal dialysis (PD)-associated peritonitis caused by R. kroppenstedtii which was identified by whole genome sequencing. Case presentation A 69-year-old man was admitted to hospital with abdominal pain and fever. Over the last 2 years, he had been undergoing continuous ambulatory peritoneal dialysis (CAPD) due to end-stage renal disease. Clinical symptom and sign in combinat
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23

Jeyabaladevan, Priyancaa, Fawz Kazzaz, and Amr Ghanim. "Chronic Breast Abscess Caused by Corynebacterium Kroppenstedtii." Journal of Health and Medical Sciences 4, no. 3 (2021). http://dx.doi.org/10.31014/aior.1994.04.03.171.

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Corynebacterium is being increasingly isolated in specimens to be proven as a causative organism in clinical disease, especially breast abscesses and mastitis. Specifically, Corynebacterium kroppenstedtii lacks the typical mycolic acids of the cell envelope, requiring lipid rich areas to grow, hence the mammary areas being ideal for its proliferation. Conservative treatment is routinely first line in breast abscess, however commonly prescribed antibiotics such as beta lactams and fluoroquinolones, are hydrophilic and do not penetrate in lipid rich environments such as the breast, thus patients
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24

Huang, Ying, Ming-Hui Song, Shun-Guang Li, Hong Yu Shen, Ping-Hua Qu, and Dao-Feng Zhang. "Preliminary comparative genomics analysis among Corynebacterium kroppenstedtii complex necessitates a reassessment of precise species associated with mastitis." Journal of Applied Microbiology, December 21, 2023. http://dx.doi.org/10.1093/jambio/lxad314.

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Abstract Aims This study aimed to characterize the first complete genome of Corynebacterium parakroppenstedtii and clarify the evolutionary relationship in the Corynebacterium kroppenstedtii complex (CKC) by using comparative genomics analysis. Methods and results The genome of isolate yu01 from a breast specimen was sequenced, and 35 CKC genomes were collected. Analysis of 16S rRNA, rpoB, and fusA suggested ambiguous identification, whereas ANI analysis assigned isolate yu01 as C. parakroppenstedtii. The fourth genospecies “Corynebacterium aliikroppenstedtii” was identified in CKC. Comparativ
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25

Mu, Xu, Hongmin Luo, Hanhua Li, et al. "Pathogen detection and antibiotic use in granulomatous lobular mastitis: a comparison of mNGS and culture." Frontiers in Cellular and Infection Microbiology 15 (June 3, 2025). https://doi.org/10.3389/fcimb.2025.1570776.

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ObjectiveThis study aimed to evaluate the clinical microbial profile of patients with granulomatous lobular mastitis (GLM) and compare various detection methods to identify the most effective approach for pathogen detection, which could help enhance clinical diagnosis and treatment.MethodsWe retrospectively analyzed data from 84 patients diagnosed with GLM, assessed the composition of pathogenic microorganisms in these patients, and compared the effectiveness of different sampling methods and detection techniques.ResultsCorynebacterium kroppenstedtii (C. kroppenstedtii) was identified as the p
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26

Liang, Zuxin, Zhujun Zeng, Yanqiang Liao, et al. "Clinical review and drug sensitivity test of Corynebacterium kroppenstedtii complex isolates in non-lactating patients with severe mastitis." Frontiers in Microbiology 15 (December 23, 2024). https://doi.org/10.3389/fmicb.2024.1501204.

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BackgroundPrevious microbiological investigations have demonstrated a significant correlation between Corynebacterium kroppenstedtii complex (CKC) infection and mastitis. Recent studies have confirmed the existence of the CKC, with Corynebacterium parakroppenstedtii (C. parakroppenstedtii) identified as the primary infectious agent. Examining the incidence of CKC in cases of severe non-lactational mastitis, alongside the clinical characteristics of infected patients, as well as evaluating the drug sensitivity testing protocols for CKC, can provide a more robust foundation for the diagnosis and
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27

Chen, Wen, Dongxiao Zhang, Yifei Zeng, et al. "Clinical characteristics and microbiota analysis of 44 patients with granulomatous mastitis." Frontiers in Microbiology 14 (April 17, 2023). http://dx.doi.org/10.3389/fmicb.2023.1175206.

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IntroductionGranulomatous mastitis (GM) is a chronic inflammatory breast disease. In recent years, the role of Corynebacterium in GM onset has received more and more attention. This study aims to detect the dominant bacterium in GM patients and analyze the association between clinical characteristics and infectious factors.MethodsIn this study, 88 samples from 44 GM patients, six acute lactation mastitis (ALM) patients, and 25 non-inflammatory breast disease (NIB) patients were divided into a GM pus group, a GM tissue group, an ALM pus group, and a NIB tissue group; then, 16S ribosomal DNA seq
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28

Saleh, Omar M. Abu, Said El Zein, Christina G. Rivera (O'Connor), Ryan W. W. Stevens, Audrey N. Schuetz, and Madiha Fida. "2768. In Vitro Antibiotic Susceptibility Pattern of Non-diphtheriae Corynebacterium Isolates 2012-2023, reference lab experience." Open Forum Infectious Diseases 10, Supplement_2 (2023). http://dx.doi.org/10.1093/ofid/ofad500.2379.

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Abstract Background Non-diphtheriae Corynebacterium spp. are important human pathogens responsible for a broad spectrum of clinical syndromes. Data on species-specific susceptibility patterns is limited. In this study we aim to study these susceptibility patterns over time and summarize the species-specific resistance profile that could be used by clinicians to guide therapeutic decisions. Methods We conducted a retrospective review of all the Non-diphtheriae Corynebacterium isolates that were submitted for antimicrobial susceptibility testing (AST) between January-2012 and February of 2023 to
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Pinto-Paz, Mirian E., Carlos Gómez de la Torre, Humberto Vásquez-Cubas, Luis Bueno-Lazo, and Stephanie Montero. "Clinicopathological features, surgical outcomes and microbial patterns in chronic granulomatous mastitis: A retrospective study from a public hospital in Lima, Peru." Breast Care, April 29, 2025, 1–19. https://doi.org/10.1159/000546121.

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Objective: To evaluate the clinicopathological characteristics of patients, surgery-related factors, and microbial patterns in patients diagnosed with chronic granulomatous mastitis treated at a public hospital in Lima, Peru. Methods: Retrospective study that included 161 women diagnosed with chronic granulomatous mastitis (GM) at the Hospital de Emergencias Grau, Seguro Social de Salud, Lima, Peru, between 2019 and 2021. The diagnosis of GM was established based on anatomical and microbiological criteria. We evaluated clinicopathological features, and factors associated with the need for onco
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30

Wistrand, Camilla, Bo Söderquist, and Ann-Sofie Sundqvist. "The effect of five versus two personnel on bacterial air contamination during preparation of sterile surgical goods in the operating room: a randomised controlled trial." Antimicrobial Resistance & Infection Control 14, no. 1 (2025). https://doi.org/10.1186/s13756-025-01589-4.

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Abstract Background Surgical site infection (SSI) and antimicrobial resistance are a worldwide problem affecting patient safety. It is lacking randomised controlled trials (RCT) regarding how the number of personnel in the operating room (OR) affects the air quality. We aimed to investigate the effect the number of personnel in the OR have on bacterial air contamination during the preparation of sterile surgical goods, to identify the species and antibiotic susceptibility of the bacteria isolated, and to describe the number of SSIs together with causative microorganisms. Methods This RCT used
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