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Mizuno S, Tsukamura Y, Nishio S, Ishida T, Hasegawa D, Kosaka Y, Ooka T, Nishi J, Kasai M. Catheter-related bloodstream infection caused by Tsukamurella tyrosinosolvens identified by secA1sequencing in an immunocompromised child: a case report. Ann Clin Microbiol Antimicrob 2023; 22:97. [PMID: 37940983 PMCID: PMC10633952 DOI: 10.1186/s12941-023-00651-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Accepted: 10/29/2023] [Indexed: 11/10/2023] Open
Abstract
BACKGROUND Tsukamurella spp. are obligate aerobic, gram-positive, non-motile, and slightly acid-fast bacilli belonging to the Actinomycetes family. They share many characteristics with Nocardia, Rhodococcus, Gordonia, and the rapidly growing Mycobacterium species. Therefore, standard testing may misidentify Tsukamurella spp. as another species. Accurate and rapid diagnosis is critical for proper infection management, but identification of this bacterium is difficult in the standard laboratory setting. CASE PRESENTATION A bloodstream infection caused by a gram-positive bacterium and related to a central venous catheter was identified in an immunocompromised 2-year-old girl. Tsukamurella tyrosinosolvens was identified by modified secA1 sequencing. Antibiotic treatment and removal of the central venous catheter resolved the infection. Inappropriate management of the catheter during an overnight stay outside of the hospital was considered as a possible source of infection. CONCLUSIONS SecA1 sequencing may be a useful diagnostic tool in the identification of T. tyrosinosolvens. Providing proper central venous catheter care instructions to patients, their families, and medical staff is important for infection prevention.
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Affiliation(s)
- Shinsuke Mizuno
- Division of Infectious Disease, Department of Pediatrics, Hyogo Prefectural Kobe Children hospital, Kobe City, 6500047, Hyogo, Japan.
| | - Yoshiyuki Tsukamura
- Department of Inspection unit, Hyogo Prefectural Kobe Children hospital, Kobe City, Hyogo, Japan
| | - Shuro Nishio
- Department of Hematology and Oncology, Hyogo Prefectural Kobe Children's Hospital, Kobe City, Hyogo, Japan
| | - Toshiaki Ishida
- Department of Hematology and Oncology, Hyogo Prefectural Kobe Children's Hospital, Kobe City, Hyogo, Japan
| | - Daiichiro Hasegawa
- Department of Hematology and Oncology, Hyogo Prefectural Kobe Children's Hospital, Kobe City, Hyogo, Japan
| | - Yoshiyuki Kosaka
- Department of Hematology and Oncology, Hyogo Prefectural Kobe Children's Hospital, Kobe City, Hyogo, Japan
| | - Tadasuke Ooka
- Department of Microbiology, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan
| | - Junichiro Nishi
- Department of Microbiology, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan
| | - Masashi Kasai
- Division of Infectious Disease, Department of Pediatrics, Hyogo Prefectural Kobe Children hospital, Kobe City, 6500047, Hyogo, Japan
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Kitagawa D, Ochi A, Kurimoto T, Kasamatsu T, Shiraishi N, Suzuki S, Shintani Y, Furumori M, Suzuki Y, Nakano A, Nakano R, Yano H, Maeda K, Nomi K, Nakamura F. Pasteurella bettyae infection requiring finger amputation due to rapid deterioration and tissue damage. IDCases 2023; 32:e01791. [PMID: 37234727 PMCID: PMC10206417 DOI: 10.1016/j.idcr.2023.e01791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 05/05/2023] [Accepted: 05/07/2023] [Indexed: 05/28/2023] Open
Abstract
We report a case of infection of the middle finger of a 69-year-old man who visited our hospital. Pus was collected from the erythematous and swollen area of the nail cage of the left-hand middle finger and evaluated in our microbiology laboratory. Gram staining of the specimen revealed multinucleated leukocytes and abundant gram-negative bacilli. Isolated colonies were identified as Pasteurella bettyae using VITEK MS and 16 S ribosomal RNA (rRNA) gene sequencing. The patient's blood test results improved after treatment with penicillin, but the local factors affecting the finger did not improve, and amputation of the middle finger had to be performed. This case represents a report of a very rare hand infection caused by P. bettyae. Polymorphic identification methods, such as MALDI-TOF MS and 16 S rRNA gene sequencing, are needed for members of the genus Pasteurella isolated from severe infections and abnormal sites, and further studies are warranted.
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Affiliation(s)
- Daisuke Kitagawa
- Department of Laboratory Medicine, Nara Prefecture General Medical Center, Japan
- Department of Microbiology and Infectious Diseases, Nara Medical University, Japan
| | - Anna Ochi
- Department of Dermatology, Nara Prefecture General Medical Center, Japan
| | - Toru Kurimoto
- Department of Dermatology, Nara Prefecture General Medical Center, Japan
| | - Takehito Kasamatsu
- Department of Infectious Diseases, Nara Prefecture General Medical Center, Japan
| | - Naoyuki Shiraishi
- Department of Infectious Diseases, Nara Prefecture General Medical Center, Japan
| | - Soma Suzuki
- Department of Laboratory Medicine, Nara Prefecture General Medical Center, Japan
| | - Yui Shintani
- Department of Laboratory Medicine, Nara Prefecture General Medical Center, Japan
| | - Madoka Furumori
- Department of Laboratory Medicine, Nara Prefecture General Medical Center, Japan
| | - Yuki Suzuki
- Department of Microbiology and Infectious Diseases, Nara Medical University, Japan
| | - Akiyo Nakano
- Department of Microbiology and Infectious Diseases, Nara Medical University, Japan
| | - Ryuichi Nakano
- Department of Microbiology and Infectious Diseases, Nara Medical University, Japan
| | - Hisakazu Yano
- Department of Microbiology and Infectious Diseases, Nara Medical University, Japan
| | - Koichi Maeda
- Department of Infectious Diseases, Nara Prefecture General Medical Center, Japan
| | - Kyoko Nomi
- Department of Dermatology, Nara Prefecture General Medical Center, Japan
| | - Fumihiko Nakamura
- Department of Laboratory Medicine, Nara Prefecture General Medical Center, Japan
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Kitagawa D, Kurimoto T, Oyama S, Suzuki S, Masuo K, Suzuki Y, Nakano R, Sato M, Yano H, Maeda K, Nomi K, Nakamura F. A case of Bordetella trematum and Kerstersia gyiorum infections in a patient with congestive dermatitis. J Infect Chemother 2021; 27:740-6. [PMID: 33386260 DOI: 10.1016/j.jiac.2020.12.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 11/19/2020] [Accepted: 12/11/2020] [Indexed: 11/23/2022]
Abstract
Bordetella trematum and Kerstersia gyiorum are rare gram-negative bacilli that are not frequently detected in human infections. In this report, we describe a case of a 48-year-old man who presented to our hospital with an infected wound on his leg. Discharges from the cracks of the granulation were collected and evaluated in our microbiology laboratory. Gram staining of the specimen showed polymorphonuclear leukocytes and abundant gram-negative bacilli. Three types of colonies were isolated on blood agar and were identified as B. trematum and Alcaligenes faecalis using VITEK MS. Moreover, K. gyiorum and B. trematum were identified and confirmed via 16S ribosomal RNA (rRNA) gene sequencing. The patient successfully recovered following application of meropenem antibacterial therapy and surgical debridement. This is the first reported case of complex wound infection caused by both B. trematum and K. gyiorum. Identification of B. trematum has recently been made possible by routine bacterial identification using matrix-assisted laser desorption-ionization time-of-flight mass spectrometry (MALDI-TOF MS). However, K. gyiorum isolation is still rare, and species identification requires 16S rRNA sequencing. Thus, this case highlighted the importance of using multiple methods, such as MALDI-TOF MS and 16S rRNA gene sequencing, for identification of rarely isolated species from clinical specimens.
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Ma ZK, Tong PY, Yuan C, Tang H, Zhu C, Sun XY, Zheng SG. [Pre- and post-treatment changes of gingvitis-associated peptidomic profiles in the saliva and gingival crevicular fluid by mass spectrometry]. Zhonghua Kou Qiang Yi Xue Za Zhi 2019; 54:745-752. [PMID: 31683381 DOI: 10.3760/cma.j.issn.1002-0098.2019.11.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To explore peptidomic changes of peptides in saliva and gingival crevicular fluid (GCF) before and after treatment of gingivitis. Methods: From January 2017 to September 2017, seventeen participants at the age of 24-62 (6 males and 11 females) at Department of Preventive Dentistry, Peking University School and Hospital of Stomatology with gingivitis were recruited in the present study. Their clinical parameters were measured and recorded. Saliva and GCF samples were collected from each of the participants at the baseline and 7 days after ultrasonic supragingival scaling, respectively. Matrix-assisted laser desorption-ionization time-of-flight mass spectrometry (MALDI-TOF MS) was employed to detect the changes of peptidomic profiles, while ano-liquid chromatography-electrospray ionization-tandem mass spectrometry (nano-LC/ESI-MS/MS) was performed to identify the possible proteins from which the peptides might derive. Results: Initially, four peptide peaks [mass-to-charge ratio (m/z) values: 1 030.6, 1 043.4, 1 053.4 and 1 064.6] were screened out exhibiting a decreasing trend after treatment (P<0.05). Besides, five peptide peaks from gingival crevicular fluid (P<0.05) exhibited differential expression, among which 1 055.5 and 1 168.3 demonstrating a decrease after treatment, while 3 363.7, 3 480.9 and 3 489.5 increased overtime. Certain positive correlations were detected between some peptides and clinical parameters. Principle component analysis using the above mentioned peptide peaks showed a distinct distribution before and after treatment and peptides from GCF showed a slightly better capacity to discriminate patients before and after treatment. The peptides with m/z values of 1 055.5 in GCF and 1 064.6 in saliva were identified to be segments of serum albumin and complement C3, respectively. Conclusions: Several differentially expressed peptides were detected in saliva and GCF by MALDI-TOF MS, exhibiting the potentiality to act as biomarkers in gingivitis patients.
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Affiliation(s)
- Z K Ma
- Department of Preventive Dentistry, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China
| | - P Y Tong
- Department of Preventive Dentistry, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China
| | - C Yuan
- Department of Preventive Dentistry, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China
| | - H Tang
- Department of Preventive Dentistry, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China
| | - C Zhu
- Department of Preventive Dentistry, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China
| | - X Y Sun
- Department of Preventive Dentistry, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China
| | - S G Zheng
- Department of Preventive Dentistry, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing 100081, China
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Buchanan R, Ball D, Dolphin H, Dave J. Matrix-assisted laser desorption-ionization time-of-flight mass spectrometry for the identification of Neisseria gonorrhoeae. Clin Microbiol Infect 2016; 22:815.e5-7. [PMID: 27371346 DOI: 10.1016/j.cmi.2016.06.010] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2016] [Revised: 06/15/2016] [Accepted: 06/18/2016] [Indexed: 11/20/2022]
Abstract
Matrix-assisted laser desorption-ionization time-of-flight mass spectrometry (MALDI-TOF MS) was compared with the API NH biochemical method for the identification of Neisseria gonorrhoeae in routine clinical samples. A retrospective review of laboratory records for 1090 isolates for which both biochemical and MALDI-TOF MS identifications were available was performed. Cases of discrepant results were examined in detail for evidence supportive of a particular organism identification. Of 1090 isolates, 1082 were identified as N. gonorrhoeae by API NH. MALDI-TOF MS successfully identified 984 (91%) of these after one analysis, rising to 1081 (99.9%) after two analyses, with a positive predictive value of 99.3%. For those isolates requiring a repeat analysis, failure to generate an identifiable proteomic signature was the reason in 76% of cases, with alternative initial identifications accounting for the remaining 24%. MALDI-TOF MS identified eight isolates as N. gonorrhoeae that were not identified as such by API NH-examination of these discrepant results suggested that the MALDI-TOF MS identification may be the more reliable. MALDI-TOF MS is at least as accurate and reliable a method of identifying N. gonorrhoeae as API NH. We propose that MALDI-TOF MS could potentially be used as a single method for N. gonorrhoeae identification in routine cases by laboratories with access to this technology.
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