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Khan F, Jeong GJ, Javaid A, Thuy Nguyen Pham D, Tabassum N, Kim YM. Surface adherence and vacuolar internalization of bacterial pathogens to the Candida spp. cells: Mechanism of persistence and propagation. J Adv Res 2023; 53:115-136. [PMID: 36572338 PMCID: PMC10658324 DOI: 10.1016/j.jare.2022.12.013] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 12/17/2022] [Accepted: 12/21/2022] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND The co-existence of Candida albicans with the bacteria in the host tissues and organs displays interactions at competitive, antagonistic, and synergistic levels. Several pathogenic bacteria take advantage of such types of interaction for their survival and proliferation. The chemical interaction involves the signaling molecules produced by the bacteria or Candida spp., whereas the physical attachment occurs by involving the surface proteins of the bacteria and Candida. In addition, bacterial pathogens have emerged to internalize inside the C. albicans vacuole, which is one of the inherent properties of the endosymbiotic relationship between the bacteria and the eukaryotic host. AIM OF REVIEW The interaction occurring by the involvement of surface protein from diverse bacterial species with Candida species has been discussed in detail in this paper. An in silico molecular docking study was performed between the surface proteins of different bacterial species and Als3P of C. albicans to explain the molecular mechanism involved in the Als3P-dependent interaction. Furthermore, in order to understand the specificity of C. albicans interaction with Als3P, the evolutionary relatedness of several bacterial surface proteins has been investigated. Furthermore, the environmental factors that influence bacterial pathogen internalization into the Candida vacuole have been addressed. Moreover, the review presented future perspectives for disrupting the cross-kingdom interaction and eradicating the endosymbiotic bacterial pathogens. KEY SCIENTIFIC CONCEPTS OF REVIEW With the involvement of cross-kingdom interactions and endosymbiotic relationships, the bacterial pathogens escape from the environmental stresses and the antimicrobial activity of the host immune system. Thus, the study of interactions between Candida and bacterial pathogens is of high clinical significance.
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Affiliation(s)
- Fazlurrahman Khan
- Marine Integrated Biomedical Technology Center, The National Key Research Institutes in Universities, Pukyong National University, Busan 48513, Republic of Korea; Research Center for Marine Integrated Bionics Technology, Pukyong National University, Busan 48513, Republic of Korea.
| | - Geum-Jae Jeong
- Department of Food Science and Technology, Pukyong National University, Busan 48513, Republic of Korea
| | - Aqib Javaid
- Department of Biotechnology and Bioinformatics, University of Hyderabad, India
| | - Dung Thuy Nguyen Pham
- Institute of Applied Technology and Sustainable Development, Nguyen Tat Thanh University, Ho Chi Minh City 70000, Vietnam
| | - Nazia Tabassum
- Marine Integrated Biomedical Technology Center, The National Key Research Institutes in Universities, Pukyong National University, Busan 48513, Republic of Korea; Research Center for Marine Integrated Bionics Technology, Pukyong National University, Busan 48513, Republic of Korea
| | - Young-Mog Kim
- Marine Integrated Biomedical Technology Center, The National Key Research Institutes in Universities, Pukyong National University, Busan 48513, Republic of Korea; Research Center for Marine Integrated Bionics Technology, Pukyong National University, Busan 48513, Republic of Korea; Department of Food Science and Technology, Pukyong National University, Busan 48513, Republic of Korea.
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Yang T, Zhang Y, Zhang H, Wu X, Sun J, Hua D, Pan K, Liu Q, Cui G, Chen Z. Intracellular presence and genetic relationship of Helicobacter pylori within neonates' fecal yeasts and their mothers' vaginal yeasts. Yeast 2023; 40:401-413. [PMID: 37565669 DOI: 10.1002/yea.3891] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 06/30/2023] [Accepted: 07/18/2023] [Indexed: 08/12/2023] Open
Abstract
Helicobacter pylori are transmissible from person to person and among family members. Mother-to-child transmission is the main intrafamilial route of H. pylori transmission. However, how it transmits from mother to child is still being determined. Vaginal yeast often transmits to neonates during delivery. Therefore, H. pylori hosted in yeast might follow the same transmission route. This study aimed to detect intracellular H. pylori in vaginal and fecal yeasts isolates and explore the role of yeast in H. pylori transmission. Yeast was isolated from the mothers' vaginal discharge and neonates' feces and identified by internal transcribed spacer (ITS) sequencing. H. pylori 16S rRNA and antigen were detected in yeast isolates by polymerase chain reaction and direct immunofluorescence assay. Genetic relationships of Candida strains isolated from seven mothers and their corresponding neonates were determined by random amplified polymorphic DNA (RAPD) fingerprinting and ITS alignment. The Candida isolates from four mother-neonate pairs had identical RAPD patterns and highly homologous ITS sequences. The current study showed H. pylori could be sheltered within yeast colonizing the vagina, and fecal yeast from neonates is genetically related to the vaginal yeast from their mothers. Thus, vaginal yeast presents a potential reservoir of H. pylori and plays a vital role in the transmission from mother to neonate.
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Affiliation(s)
- Tingxiu Yang
- Key Laboratory of Microbiology and Parasitology of Education Department of Guizhou & Joint Laboratory of Helicobacter Pylori and Intestinal Microecology of Affiliated Hospital of Guizhou Medical University, Guizhou Medical University, Guiyang, China
- Key Laboratory of Endemic and Ethnic Diseases of Ministry of Education & Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, China
- Department of Hospital Infection and Management, Guizhou Provincial People's Hospital, Guiyang, China
| | - Yuanyuan Zhang
- Key Laboratory of Microbiology and Parasitology of Education Department of Guizhou & Joint Laboratory of Helicobacter Pylori and Intestinal Microecology of Affiliated Hospital of Guizhou Medical University, Guizhou Medical University, Guiyang, China
- Department of Gastroenterology, People's Hospital of Qiannan Prefecture, Guizhou, China
| | - Hua Zhang
- Department of Obstetrics, People's Hospital of Qiannan Prefecture, Guizhou, China
| | - Xiaojuan Wu
- Key Laboratory of Microbiology and Parasitology of Education Department of Guizhou & Joint Laboratory of Helicobacter Pylori and Intestinal Microecology of Affiliated Hospital of Guizhou Medical University, Guizhou Medical University, Guiyang, China
| | - Jianchao Sun
- Key Laboratory of Microbiology and Parasitology of Education Department of Guizhou & Joint Laboratory of Helicobacter Pylori and Intestinal Microecology of Affiliated Hospital of Guizhou Medical University, Guizhou Medical University, Guiyang, China
| | - Dengxiong Hua
- Key Laboratory of Microbiology and Parasitology of Education Department of Guizhou & Joint Laboratory of Helicobacter Pylori and Intestinal Microecology of Affiliated Hospital of Guizhou Medical University, Guizhou Medical University, Guiyang, China
| | - Ke Pan
- Department of Gastroenterology, People's Hospital of Qiannan Prefecture, Guizhou, China
| | - Qi Liu
- Key Laboratory of Microbiology and Parasitology of Education Department of Guizhou & Joint Laboratory of Helicobacter Pylori and Intestinal Microecology of Affiliated Hospital of Guizhou Medical University, Guizhou Medical University, Guiyang, China
| | - Guzhen Cui
- Key Laboratory of Microbiology and Parasitology of Education Department of Guizhou & Joint Laboratory of Helicobacter Pylori and Intestinal Microecology of Affiliated Hospital of Guizhou Medical University, Guizhou Medical University, Guiyang, China
- Key Laboratory of Endemic and Ethnic Diseases of Ministry of Education & Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, China
| | - Zhenghong Chen
- Key Laboratory of Microbiology and Parasitology of Education Department of Guizhou & Joint Laboratory of Helicobacter Pylori and Intestinal Microecology of Affiliated Hospital of Guizhou Medical University, Guizhou Medical University, Guiyang, China
- Key Laboratory of Endemic and Ethnic Diseases of Ministry of Education & Key Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education, Guizhou Medical University, Guiyang, China
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Heydari S, Malekzadeh R, Jazayeri MH, Sarrafnejad A, Siavoshi F. Detection of peptidoglycan in yeast as a marker for the presence or abundance of intracellular Helicobacter pylori and Staphylococcus. Arch Microbiol 2022; 204:407. [PMID: 35726098 DOI: 10.1007/s00203-022-03045-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 05/21/2022] [Accepted: 05/27/2022] [Indexed: 11/26/2022]
Abstract
Peptidoglycan (PG) was targeted as the marker for bacterial occurrence inside yeast. Detection of only few bacteria in old and new generations of yeast raised the question of how yeast controls the abundance of its intracellular bacteria. One gastric C. tropicalis that showed concurrence of H. pylori and Staphylococcus 16S rDNA was stained for assessing the viability of intracellular bacteria. Fluorescein isothiocyanate (FITC)-labeled anti-PG monoclonal antibody (APGMAb) was used for detection of PG inside yeast by direct immunofluorescence. APGMAb-coated magnetic beads were used for separation of bacteria from disrupted yeasts. Bead-bound bacteria were separated, fixed, stained, and examined by scanning electron microscope (SEM). Bead-bound bacteria were cultured and identified by amplification and sequencing of 16S rDNA. Fluorescence microscopy demonstrated occurrence of few live bacteria inside yeast cells. FITC- APGMAb interacted with PG of intracellular bacteria, appearing as few green spots in mother and daughter yeast cells. Interestingly, PG fragments were also detected in the exterior of yeast cells. SEM observations showed separated bead-bound bacilli and cocci. Culture of Staphylococcus was positive. Sequencing results confirmed identity of separated bacteria as H. pylori and Staphylococcus. PG detected inside yeast may have belonged to H. pylori, Staphylococcus or any other intracellular bacteria that coexisted in yeast as its microbiome. Detection of only few intracellular bacteria in old and new generations of yeast as well as PG fragments in their exterior suggested that yeast controls the abundance of its intracellular bacteria at low rate by hydrolysis and exporting of PG.
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Affiliation(s)
- Samira Heydari
- Department of Microbiology, School of Biology, University College of Sciences, University of Tehran, Tehran, Iran
| | - Reza Malekzadeh
- Digestive Disease Research Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Mir Hadi Jazayeri
- Immunology Research Center, Iran University of Medical Sciences, Tehran, Iran
- Department of Immunology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Abdolfattah Sarrafnejad
- Department of Immunology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Farideh Siavoshi
- Department of Microbiology, School of Biology, University College of Sciences, University of Tehran, Tehran, Iran.
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Intracellular Presence of Helicobacter pylori and Its Virulence-Associated Genotypes within the Vaginal Yeast of Term Pregnant Women. Microorganisms 2021; 9:microorganisms9010131. [PMID: 33430099 PMCID: PMC7827377 DOI: 10.3390/microorganisms9010131] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 11/18/2020] [Accepted: 11/20/2020] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND
Helicobacter pylori transmission routes are not entirely elucidated. Since yeasts are postulated to transmit this pathogen, this study aimed to detect and genotype intracellular H. pylori harbored within vaginal yeast cells. METHODS A questionnaire was used to determine risk factors of H. pylori infection. Samples were seeded on Sabouraud Dextrose Agar and horse blood-supplemented Columbia agar. Isolated yeasts were identified using and observed by optical microscopy searching for intra-yeast H. pylori. Total yeast DNA, from one random sample, was extracted to search for H. pylori virulence genes by PCR and bacterial identification by sequencing. RESULTS 43% of samples contained yeasts, mainly Candida albicans (91%). Microscopy detected bacteria such as bodies and anti-H. pylori antibodies binding particles in 50% of the isolated yeasts. Total DNA extracted showed that 50% of the isolated yeasts were positive for H. pylori 16S rDNA and the sequence showed 99.8% similarity with H. pylori. In total, 32% of H. pylori DNA positive samples were cagA+ vacAs1a vacAm1 dupA-. No relationship was observed between possible H. pylori infection risk factors and vaginal yeasts harboring this bacterium. CONCLUSION
H. pylori having virulent genotypes were detected within vaginal yeasts constituting a risk for vertical transmission of this pathogen.
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Heydari S, Siavoshi F, Sarrafnejad A, Malekzadeh R. Coniochaeta fungus benefits from its intracellular bacteria to form biofilm and defend against other fungi. Arch Microbiol 2021; 203:1357-1366. [PMID: 33386870 DOI: 10.1007/s00203-020-02122-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Revised: 11/10/2020] [Accepted: 11/18/2020] [Indexed: 11/30/2022]
Abstract
During cultivation of a gastric fungus, Coniochaeta polymorpha, growth of Nocardia colonies on top of the fungal culture raised the question whether bacteria originated from inside of fungus. In this study, the likelihood of intracellular origin of bacteria as well as interaction of two microorganisms was assessed. Fluorescence and electron microscopy showed occurrence of several bacterial cells in fungal cytoplasm. A thick biofilm was observed on the surface of co-culture compared with thin one on bacterial and none on fungal monocultures. Field emission scanning electron microscopy (FESEM) micrographs of co-culture showed a dense network of fungal and bacterial cells embedded in a slime-like layer. Dual cultures revealed antagonistic activity of both fungus and bacteria against three Candida species. These findings indicate that Nocardia isolate identified in this study originated from the inside of fungus C. polymorpha. Intracellular bacteria could benefit the fungal host by producing a rigid biofilm and an antifungal compound.
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Affiliation(s)
- Samira Heydari
- Department of Microbiology, School of Biology, University College of Sciences, University of Tehran, Tehran, Iran
| | - Farideh Siavoshi
- Department of Microbiology, School of Biology, University College of Sciences, University of Tehran, Tehran, Iran.
| | - Abdolfattah Sarrafnejad
- Department of Immunology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Reza Malekzadeh
- Digestive Disease Research Institute, Tehran University of Medical Sciences, Tehran, Iran
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Sánchez-Alonzo K, Parra-Sepúlveda C, Vega S, Bernasconi H, Campos VL, Smith CT, Sáez K, García-Cancino A. In Vitro Incorporation of Helicobacter pylori into Candida albicans Caused by Acidic pH Stress. Pathogens 2020; 9:pathogens9060489. [PMID: 32575493 PMCID: PMC7350375 DOI: 10.3390/pathogens9060489] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 06/02/2020] [Accepted: 06/02/2020] [Indexed: 02/07/2023] Open
Abstract
Yeasts can adapt to a wide range of pH fluctuations (2 to 10), while Helicobacter pylori, a facultative intracellular bacterium, can adapt to a range from pH 6 to 8. This work analyzed if H. pylori J99 can protect itself from acidic pH by entering into Candida albicans ATCC 90028. Growth curves were determined for H. pylori and C. albicans at pH 3, 4, and 7. Both microorganisms were co-incubated at the same pH values, and the presence of intra-yeast bacteria was evaluated. Intra-yeast bacteria-like bodies were detected using wet mounting, and intra-yeast binding of anti-H. pylori antibodies was detected using immunofluorescence. The presence of the H. pylori rDNA 16S gene in total DNA from yeasts was demonstrated after PCR amplification. H. pylori showed larger death percentages at pH 3 and 4 than at pH 7. On the contrary, the viability of the yeast was not affected by any of the pHs evaluated. H. pylori entered into C. albicans at all the pH values assayed but to a greater extent at unfavorable pH values (pH 3 or 4, p = 0.014 and p = 0.001, respectively). In conclusion, it is possible to suggest that H. pylori can shelter itself within C. albicans under unfavorable pH conditions.
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Affiliation(s)
- Kimberly Sánchez-Alonzo
- Laboratory of Bacterial Pathogenicity, Department of Microbiology, Faculty of Biological Sciences, University of Concepción, Concepción 4070386, Chile; (K.S.-A.); (C.P.-S.); (S.V.); (C.T.S.)
| | - Cristian Parra-Sepúlveda
- Laboratory of Bacterial Pathogenicity, Department of Microbiology, Faculty of Biological Sciences, University of Concepción, Concepción 4070386, Chile; (K.S.-A.); (C.P.-S.); (S.V.); (C.T.S.)
| | - Samuel Vega
- Laboratory of Bacterial Pathogenicity, Department of Microbiology, Faculty of Biological Sciences, University of Concepción, Concepción 4070386, Chile; (K.S.-A.); (C.P.-S.); (S.V.); (C.T.S.)
| | | | - Víctor L. Campos
- Laboratory of Environmental Microbiology, Department of Microbiology, Faculty of Biological Sciences, University of Concepcion, Concepción 4070386, Chile;
| | - Carlos T. Smith
- Laboratory of Bacterial Pathogenicity, Department of Microbiology, Faculty of Biological Sciences, University of Concepción, Concepción 4070386, Chile; (K.S.-A.); (C.P.-S.); (S.V.); (C.T.S.)
| | - Katia Sáez
- Department of Statistics, Faculty of Physical and Mathematical Sciences, University of Concepción, Concepción 4070386, Chile;
| | - Apolinaria García-Cancino
- Laboratory of Bacterial Pathogenicity, Department of Microbiology, Faculty of Biological Sciences, University of Concepción, Concepción 4070386, Chile; (K.S.-A.); (C.P.-S.); (S.V.); (C.T.S.)
- Correspondence: ; Tel.: +56-41-2204144; Fax: 56-41-2245975
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Yeast engineered translucent cell wall to provide its endosymbiont cyanobacteria with light. Arch Microbiol 2020; 202:1317-1325. [PMID: 32140734 DOI: 10.1007/s00203-020-01835-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Revised: 01/19/2020] [Accepted: 02/12/2020] [Indexed: 10/24/2022]
Abstract
In this study, relationship between translucent property of yeast cell wall and occurrence of cyanobacteria inside the yeast vacuole was examined. Microscopic observations on fruit yeast Candida tropicalis showed occurrence of bacterium-like bodies inside the yeast vacuole. Appearance of vacuoles as distinct cavities indicated the perfect harvesting of light by the yeast's cell wall. Transmission electron microscopy observation showed electron-dense outer and electron-lucent inner layers in yeast cell wall. Cyanobacteria-specific 16S rRNA gene was amplified from total DNA of yeast. Cultivation of yeast in distilled water led to excision of intracellular bacteria which grew on cyanobacteria-specific medium. Examination of wet mount and Gram-stained preparations of excised bacteria showed typical bead-like trichomes. Amplification of cyanobacteria-specific genes, 16S rRNA, cnfR and dxcf, confirmed bacterial identity as Leptolyngbya boryana. These results showed that translucent cell wall of yeast has been engineered through evolution for receiving light for vital activities of cyanobacteria.
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