Journal of Microbiology

Volume 58(5); May 2020

Review

The functional study of human proteins using humanized yeast: Seho Kim , Juhee Park , Taekyung Kim , Jung-Shin Lee; J. Microbiol. 2020;58(5):343-349. Published online April 27, 2020; DOI: https://doi.org/10.1007/s12275-020-0136-y

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The functional and optimal expression of genes is crucial for survival of all living organisms. Numerous experiments and efforts have been performed to reveal the mechanisms required for the functional and optimal expression of human genes. The yeast Saccharomyces cerevisiae has evolved independently of humans for billions of years. Nevertheless, S. cerevisiae has many conserved genes and expression mechanisms that are similar to those in humans. Yeast is the most commonly used model organism for studying the function and expression mechanisms of human genes because it has a relatively simple genome structure, which is easy to manipulate. Many previous studies have focused on understanding the functions and mechanisms of human proteins using orthologous genes and biological systems of yeast. In this review, we mainly introduce two recent studies that replaced human genes and nucleosomes with those of yeast. Here, we suggest that, although yeast is a relatively small eukaryotic cell, its humanization is useful for the direct study of human proteins. In addition, yeast can be used as a model organism in a broader range of studies, including drug screening.

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A Humanized Yeast Model for Studying TRAPP Complex Mutations; Proof-of-Concept Using Variants from an Individual with a TRAPPC1-Associated Neurodevelopmental Syndrome
Erta Zykaj, Chelsea Abboud, Paria Asadi, Simane Warsame, Hashem Almousa, Miroslav P. Milev, Brittany M. Greco, Marcos López-Sánchez, Drago Bratkovic, Aashiq H. Kachroo, Luis Alberto Pérez-Jurado, Michael Sacher
Cells.2024; 13(17): 1457. CrossRef
Humanization reveals pervasive incompatibility of yeast and human kinetochore components
Guðjón Ólafsson, Max A B Haase, Jef D Boeke, G Brown
G3: Genes, Genomes, Genetics.2023;[Epub] CrossRef
Effects of Non-Thermal Plasma on Yeast Saccharomyces cerevisiae
Peter Polčic, Zdenko Machala
International Journal of Molecular Sciences.2021; 22(5): 2247. CrossRef
Next Generation Winemakers: Genetic Engineering in Saccharomyces cerevisiae for Trendy Challenges
Patricia Molina-Espeja
Bioengineering.2020; 7(4): 128. CrossRef

Journal Articles

Ciceribacter ferrooxidans sp. nov., a nitrate-reducing Fe(II)-oxidizing bacterium isolated from ferrous ion-rich sediment: Tongchu Deng , Youfen Qian , Xingjuan Chen , Xunan Yang , Jun Guo , Guoping Sun , Meiying Xu; J. Microbiol. 2020;58(5):350-356. Published online April 27, 2020; DOI: https://doi.org/10.1007/s12275-020-9471-2

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Abstract

A nitrate-reducing Fe(II)-oxidizing bacterial strain, F8825T, was isolated from the Fe(II)-rich sediment of an urban creek in Pearl River Delta, China. The strain was Gram-negative, facultative chemolithotrophic, facultative anaerobic, nonspore- forming, and rod-shaped with a single flagellum. Phylogenetic analysis based on 16S rRNA gene sequencing indicated that it belongs to the genus Ciceribacter and is most closely related to C. lividus MSSRFBL1T (99.4%), followed by C. thiooxidans F43bT (98.8%) and C. azotifigens A.slu09T (98.0%). Fatty acid, polar lipid, respiratory quinone, and DNA G + C content analyses supported its classification in the genus Ciceribacter. Multilocus sequence analysis of concatenated 16S rRNA, atpD, glnII, gyrB, recA, and thrC suggested that the isolate was a novel species. DNA–DNA hybridization and genome sequence comparisons (90.88 and 89.86%, for values of ANIm and ANIb between strains F8825T with MSSRFBL1T, respectively) confirmed that strain F8825T was a novel species, different from C. lividus MSSRFBL1T, C. thiooxidans F43bT, and C. azotifigens A.slu09T. The physiological and biochemical properties of the strain, such as carbon source utilization, nitrate reduction, and ferrous ion oxidation, further supported that this is a novel species. Based on the polyphasic taxonomic results, strain F8825T was identified as a novel species in the genus Ciceribacter, for which the name Ciceribacter ferrooxidans sp. nov. is proposed. The type strain is F8825T (= CCTCC AB 2018196T = KCTC 62948T).

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Biological denitrification performance of a novel sulfur-slow-release carbon source mixed filler
Zhen Peng, Hang Shi, Shengkai Wu, Yao Fan, Xu Ye, Qisong Liu, Bo Liu
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Lifang Hu, Feng Huang, Yating Qian, Tao Ding, Yuzhou Yang, Dongsheng Shen, Yuyang Long
Journal of Hazardous Materials.2024; 473: 134582. CrossRef
Ciceribacter sichuanensis sp. nov., a plant growth promoting rhizobacterium isolated from root nodules of soybean in Sichuan, China
Yanqin Zhang, Yuanxue Chen, Petri Penttinen, Xing Wang, Ying Quan, Licheng Wen, Miao Yang, Xiaoping Zhang, Qiang Chen, Lingzi Zhang, Junjie Zhang, Xiaoxia Zhang, Kaiwei Xu
Antonie van Leeuwenhoek.2024;[Epub] CrossRef
Genomic Insights into the Landfill Microbial Community: Denitrifying Activity Supporting One-Carbon Utilization
Bhagyashri J. Poddar, Anshuman A. Khardenavis
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Sediment-isolated Comamonas terrigena strain HJ-2: a novel nitrate-dependent ferrous-oxidizing bacterium with multifunction on pollutant transformation
Rong Peng, Junhao Shen, Shuang Li, Hui Liu
Letters in Applied Microbiology.2023;[Epub] CrossRef
New Anaerobic Iron-Cycling Bacteria Isolated from the Yessentukskoye Mineral Water Deposit
D. G. Zavarzina, V. A. Pikhtereva, A. A. Klyukina, A. Yu. Merkel, S. N. Gavrilov
Microbiology.2023; 92(S1): S12. CrossRef
Genomic characterization of denitrifying methylotrophic Pseudomonas aeruginosa strain AAK/M5 isolated from municipal solid waste landfill soil
Ashish Kumar Singh, Rakesh Kumar Gupta, Hemant J. Purohit, Anshuman Arun Khardenavis
World Journal of Microbiology and Biotechnology.2022;[Epub] CrossRef
International Committee on Systematics of Prokaryotes, Subcommittee on the taxonomy of Rhizobia and Agrobacteria, minutes of the annual meeting by videoconference, 5 July 2021, followed by online discussion until 31 December 2021
Seyed Abdollah Mousavi, J. Peter W. Young
International Journal of Systematic and Evolutionary Microbiology.2022;[Epub] CrossRef

Jejubacter calystegiae gen. nov., sp. nov., moderately halophilic, a new member of the family Enterobacteriaceae, isolated from beach morning glory: Lingmin Jiang , Dexin Wang , Jung-Sook Lee , Dae-Hyuk Kim , Jae Cheol Jeong , Cha Young Kim , Suk Weon Kim , Jiyoung Lee; J. Microbiol. 2020;58(5):357-366. Published online March 27, 2020; DOI: https://doi.org/10.1007/s12275-020-9294-1

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Abstract

Strain KSNA2T, a Gram-negative, moderately halophilic, facultatively anaerobic, motile, rod-shaped bacterium, was isolated from the surface-sterilized stem tissue of a beach morning glory (Calystegia soldanella) plant in Chuja Island, Jejudo, Republic of Korea. Phylogenetic analysis based on 16S rRNA gene and whole-genome sequences revealed that strain KSNA2T formed a distinct lineage within the family Enterobacteriaceae, with the highest 16S rRNA gene sequence similarity to Izhakiella australiensis KCTC 72143T (96.2%) and Izhakiella capsodis KCTC 72142T (96.0%), exhibited 95.5– 95.9% similarity to other genera in the family Enterobacteriaceae and Erwiniaceae. Conserved signature indels analysis elucidated that strain KSNA2T was delimited into family Enterobacteriaceae. KSNA2T genome comprises a circular chromosome of 5,182,800 bp with 56.1% G + C content. Digital DNA-DNA relatedness levels between strain KSNA2T and 18 closely related species were 19.3 to 21.1%. Average nucleotide identity values were between 72.0 and 76.7%. Growth of strain KSNA2T was observed at 4 to 45°C (optimum, 25°C) and pH 5.0 to 12.0 (optimum, pH 7.0) in the presence of 0 to 11% (w/v) NaCl (optimum, 0–7%). The major cellular fatty acids (> 10%) were C16:0 followed by summed feature 8 (C18:1 ω7c and/or C18:1 ω6c), summed feature 3 (C16:1 ω7c and/or C16:1 ω6c), C17:0 cyclo, and C14:0. The major isoprenoid quinone was ubiquinone-8 (Q-8). With combined phylogenetic, genomic, phenotypic, and chemotaxonomic features, strain KSNA2T represents a novel species of a new genus in the family Enterobacteriaceae, for which the name Jejubacter calystegiae gen. nov., sp. nov. is proposed. The type strain is KSNA2T (= KCTC 72234T = CCTCC AB 2019098T).

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Pseudoxanthomonas sp. JBR18, a halotolerant endophytic bacterium, improves the salt tolerance of Arabidopsis seedlings
Yuxin Peng, Lingmin Jiang, Doeun Jeon, Donghyun Cho, Youngmin Kim, Cha Young Kim, Ju Huck Lee, Jiyoung Lee
Plant Physiology and Biochemistry.2024; 207: 108415. CrossRef
Two microbes assisting Miscanthus floridulus in remediating multi-metal(loid)s-contaminated soil
Yunhua Xiao, Jingjing Ma, Rui Chen, Sha Xiang, Bo Yang, Liang Chen, Jun Fang, Shuming Liu
Environmental Science and Pollution Research.2024; 31(20): 28922. CrossRef
Improving plant salt tolerance through Algoriphagus halophytocola sp. nov., isolated from the halophyte Salicornia europaea
Yuxin Peng, Dong Hyun Cho, Zalfa Humaira, Yu Lim Park, Ki Hyun Kim, Cha Young Kim, Jiyoung Lee
Frontiers in Microbiology.2024;[Epub] CrossRef
Detection of human pathogenic bacteria in rectal DNA samples from Zalophus californianus in the Gulf of California, Mexico
Francesco Cicala, David Ramírez-Delgado, Ricardo Gómez-Reyes, Marcel Martínez-Porchas, Jorge Rojas-Vargas, Liliana Pardo-López, Alexei F. Licea-Navarro
Scientific Reports.2022;[Epub] CrossRef
Genome Insights into the Novel Species Jejubacter calystegiae, a Plant Growth-Promoting Bacterium in Saline Conditions
Ling Min Jiang, Yong Jae Lee, Ho Le Han, Myoung Hui Lee, Jae Cheol Jeong, Cha Young Kim, Suk Weon Kim, Ji Young Lee
Diversity.2021; 13(1): 24. CrossRef
Pedobacter endophyticus sp. nov., an endophytic bacterium isolated from Carex pumila
Yuxin Peng, Lingmin Jiang, Jiyoon Seo, Zhun Li, Hanna Choe, Jae Cheol Jeong, Suk Weon Kim, Young-Min Kim, Cha Young Kim, Jiyoung Lee
International Journal of Systematic and Evolutionary Microbiology .2021;[Epub] CrossRef
The Changing Face of the Family Enterobacteriaceae (Order: “ Enterobacterales ”): New Members, Taxonomic Issues, Geographic Expansion, and New Diseases and Disease Syndromes
J. Michael Janda, Sharon L. Abbott
Clinical Microbiology Reviews.2021;[Epub] CrossRef

Differences in the gut microbiota between Cercopithecinae and Colobinae in captivity: Zongjin Huan , Yongfang Yao , Jianqiu Yu , Hongwei Chen , Meirong Li , Chaojun Yang , Bo Zhao , Qingyong Ni , Mingwang Zhang , Meng Xie , Huailiang Xu; J. Microbiol. 2020;58(5):367-376. Published online March 28, 2020; DOI: https://doi.org/10.1007/s12275-020-9493-9

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Abstract

The gut microbiome of captive primates can provide a window into their health and disease status. The diversity and composition of gut microbiota are influenced by not only host phylogeny, but also host diet. Old World monkeys (Cercopithecidae) are divided into two subfamilies: Cercopithecinae and Colobinae. The diet and physiological digestive features differ between these two subfamilies. Accordingly, highthroughput sequencing was used to examine gut microbiota differences between these two subfamilies, using data from 29 Cercopithecinae individuals and 19 Colobinae individuals raised in captivity. Through a comparative analysis of operational taxonomic units (OTUs), significant differences in the diversity and composition of gut microbiota were observed between Cercopithecinae and Colobinae. In particular, the gut microbiota of captive Old World monkeys clustered strongly by the two subfamilies. The Colobinae microbial diversity was higher than that of Cercopithecinae. Additionally, Firmicutes, Lactobacillaceae, Veillonellaceae, and Prevotella abundance were higher in Cercopithecinae, while Bacteroidetes, Ruminococcaceae, Christensenellaceae, Bacteroidaceae, and Acidaminococcaceae abundance were higher in Colobinae. PICRUSt analysis revealed that the predicted metagenomes of metabolic pathways associated with proteins, carbohydrates, and amino acids were significantly higher in Colobinae. In the context of host phylogeny, these differences between Cercopithecinae and Colobinae could reflect adaptations associated with their respective diets. This well-organized dataset is a valuable resource for future related research on primates and gut microbiota. Moreover, this study may provide useful insight into animal management practices and primate conservation.

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Present status and trends of “ex situ” Cercopithecinae monkey populations worldwide
D. Fraschetti, S. Gippoliti
Journal for Nature Conservation.2024; 81: 126687. CrossRef
Assessment of Gut Microbiome Variations in the Mother and Twin Infant of Captive White-handed Gibbons (Hylobates lar) Reveals the Presence of Beneficial and Pathogenic Bacteria
Badrul Munir Md-Zain, Siti Hajar Azmi, Roberta Chaya Tawie Tingga, Millawati Gani, Mohamad Khairulmunir, Abd Rahman Mohd-Ridwan
Malaysian Applied Biology.2024; 53(3): 39. CrossRef
Isolation of Bacteria from Freeze-Dried Samples and the Functional Characterization of Species-Specific Lactic Acid Bacteria with a Comparison of Wild and Captive Proboscis Monkeys
Nami Suzuki-Hashido, Sayaka Tsuchida, Akinori Azumano, Benoit Goossens, Diana A. Ramirez Saldivar, Danica J. Stark, Augustine Tuuga, Kazunari Ushida, Ikki Matsuda
Microorganisms.2023; 11(6): 1458. CrossRef
Lineage-specific accelerated sequences underlying primate evolution
Xupeng Bi, Long Zhou, Jin-Jin Zhang, Shaohong Feng, Mei Hu, David N. Cooper, Jiangwei Lin, Jiali Li, Dong-Dong Wu, Guojie Zhang
Science Advances.2023;[Epub] CrossRef
β-mannanase supplemented in diets saved 85 to 100 kcal of metabolizable energy/kg, supporting growth performance and improving nutrient digestibility in grower pigs
Jansller Luiz Genova, Liliana Bury de Azevedo, Paulo Evaristo Rupolo, Flávia Beatriz Carvalho Cordeiro, Hellen Lazarino Oliveira Vilela, Pedro Silva Careli, Damares de Castro Fidelis Toledo, Silvana Teixeira Carvalho, Marcos Kipper, Luciana Navajas Rennó,
Scientific Reports.2023;[Epub] CrossRef
Description of Deefgea piscis sp. nov., and Deefgea tanakiae sp. nov., isolated from the gut of Korean indigenous fish
Do-Hun Gim, So-Yeon Lee, Jeong Eun Han, Jae-Yun Lee, Seo Min Kang, Jin-Woo Bae
Journal of Microbiology.2022; 60(11): 1061. CrossRef
The Gut Microbiota Composition of Cnaphalocrocis medinalis and Their Predicted Contribution to Larval Nutrition
Chuanming Li, Guangjie Han, Jun Sun, Lixin Huang, Yurong Lu, Yang Xia, Qin Liu, Jian Xu
Frontiers in Microbiology.2022;[Epub] CrossRef
The gut microbiota of gibbons across host genus and captive site in China
Li‐Ying Lan, Yu‐Yan You, Qi‐Xuan Hong, Qun‐Xiu Liu, Chun‐Zhong Xu, Wu Chen, Ying‐Di Zhu, Xue‐Qing Du, Peng‐Fei Fan
American Journal of Primatology.2022;[Epub] CrossRef
Fecal Bacterial Community of Allopatric Przewalski’s Gazelles and Their Sympatric Relatives
Ruoshuang Liu, Jianbin Shi, Susanne Shultz, Dongsheng Guo, Dingzhen Liu
Frontiers in Microbiology.2021;[Epub] CrossRef
Fecal bacterial communities of wild black capuchin monkeys (Sapajus nigritus) from the Atlantic Forest biome in Southern Brazil are divergent from those of other non-human primates
Tiela Trapp Grassotti, Caroline Isabel Kothe, Janira Prichula, Nacer Mohellibi, Michele Bertoni Mann, Paulo Guilherme Carniel Wagner, Fabricio Souza Campos, Aline Alves Scarpellini Campos, Jeverson Frazzon, Ana Paula Guedes Frazzon
Current Research in Microbial Sciences.2021; 2: 100048. CrossRef

Full-repertoire comparison of the microscopic objects composing the human gut microbiome with sequenced and cultured communities: Edmond Kuete Yimagou , Jean-Pierre Baudoin , Rita Abou Abdallah , Fabrizio Di Pinto , Jacques Yaacoub Bou Khalil , Didier Raoult; J. Microbiol. 2020;58(5):377-386. Published online April 11, 2020; DOI: https://doi.org/10.1007/s12275-020-9365-3

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Abstract

The study of the human gut microbiome is essential in microbiology and infectious diseases as specific alterations in the gut microbiome might be associated with various pathologies, such as chronic inflammatory disease, intestinal infection and colorectal cancer. To identify such dysregulations, several strategies are being used to create a repertoire of the microorganisms composing the human gut microbiome. In this study, we used the “microscomics” approach, which consists of creating an ultrastructural repertoire of all the cell-like objects composing stool samples from healthy donors using transmission electron microscopy (TEM). We used TEM to screen ultrathin sections of 8 resin-embedded stool samples. After exploring hundreds of micrographs, we managed to elaborate ultrastructural categories based on morphological criteria or features. This approach explained many inconsistencies observed with other techniques, such as metagenomics and culturomics. We highlighted the value of our cultureindependent approach by comparing our microscopic images to those of cultured bacteria and those reported in the literature. This study helped to detect “minimicrobes” Candidate Phyla Radiation (CPR) for the first time in human stool samples. This “microscomics” approach is non-exhaustive but complements already existing approaches and adds important data to the puzzle of the microbiota.

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Candidate Phyla Radiation, an Underappreciated Division of the Human Microbiome, and Its Impact on Health and Disease
Sabrina Naud, Ahmad Ibrahim, Camille Valles, Mohamad Maatouk, Fadi Bittar, Maryam Tidjani Alou, Didier Raoult
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Jing Liu, Chao Liu, Jinbo Yue
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Host–microbiota maladaptation in colorectal cancer
Alina Janney, Fiona Powrie, Elizabeth H. Mann
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Lentibacillus cibarius sp. nov., isolated from kimchi, a Korean fermented food: Young Joon Oh , Joon Yong Kim , Hee Eun Jo , Hyo Kyeong Park , Seul Ki Lim , Min-Sung Kwon , Hak-Jong Choi; J. Microbiol. 2020;58(5):387-394. Published online April 11, 2020; DOI: https://doi.org/10.1007/s12275-020-9507-7

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Abstract

Two bacterial strains designated NKC220-2T and NKC851-2 were isolated from commercial kimchi from different areas in Korea. The strains were Gram-positive, aerobic, oxidaseand catalase-positive, rod-shaped, spore-forming, non-motile, and halophilic bacteria. Both strains grew without NaCl, unlike type species in the genus Lentibacillus. The optimal pH for growth was 8.0, higher than that of the type species in the genus Lentibacillus, although growth was observed at pH 5.5–9.0. 16S rRNA gene sequence-based phylogenetic analysis indicated that the two strains (99.3–99.9% similarity) are grouped within the genus Lentibacillus and most closely related to Lentibacillus juripiscarius IS40-3T (97.4–97.6% similarity) isolated from fish sauce in Thailand. OrthoANI value between two novel strains and Lentibacillus lipolyticus SSKP1- 9T (79.5–79.6% similarity) was far lower than the species demarcation threshold. Comparative genomic analysis displayed differences between the two strains as well as among other strains belonging to Lentibacillus. Furthermore, each isolate had strain-specific groups of orthologous genes based on pangenome analysis. Genomic G + C contents of strains NKC- 220-2T and NKC851-2 were 41.9 and 42.2 mol%, respectively. The strains contained meso-diaminopimelic acid in their cell walls, and the major menaquinone was menaquinone-7. Phosphatidylglycerol, diphosphatidylglycerol, and an unidentified glycolipid, aminophospholipid, and phospholipid were the major polar lipid components of both strains. The major cellular fatty acids of the strains were anteiso-C15:0 and anteiso- C17:0. Based on phenotypic, genomic, phylogenetic, and chemotaxonomic features, strains NKC220-2T and NKC851-2 represent novel species of the genus Lentibacillus, for which the name Lentibacillus cibarius sp. nov. is proposed. The type strain is NKC220-2T (= KACC 21232T = JCM 33390T).

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Detection of the Microbial Composition of Some Commercial Fermented Liquid Products via Metagenomic Analysis
Cansu Çelik Doğan, Hafize Tuğba Yüksel Dolgun, Serkan İkiz, Şükrü Kırkan, Uğur Parın
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Lentibacillus daqui sp. nov., isolated from high-temperature Daqu, a starter for production of Chinese Jiang-flavour Baijiu
Yuan Liang, Zhen-Ming Lu, Wei Shi, Lin-Huan Wu, Li-Juan Chai, Xiao-Juan Zhang, Su-Yi Zhang, Song-Tao Wang, Cai-Hong Shen, Zheng-Hong Xu
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Occurrence of biogenic amines and their correlation with bacterial communities in the Ivorian traditional fermented fish adjuevan during the storage
Marina Ghislaine Abré, Clémentine Amenan Kouakou-Kouamé, Florent Kouadio N’guessan, Corinne Teyssier, Didier Montet
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Qian Liu, Guoying Fan, Kui Wu, Xiangning Bai, Xi Yang, Wentao Song, Shengen Chen, Yanwen Xiong, Haiying Chen
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Yun Wang, Gang-Qiang Jiang, Hong-Ping Lin, Peng Sun, Hong-Yan Zhang, Dong-Mei Lu, Li-Yun Wang, Chang-Jin Kim, Shu-Kun Tang
Archives of Microbiology.2021; 203(2): 621. CrossRef
Salicibibacter cibarius sp. nov. and Salicibibacter cibi sp. nov., two novel species of the family Bacillaceae isolated from kimchi
Young Joon Oh, Joon Yong Kim, Seul Ki Lim, Min-Sung Kwon, Hak-Jong Choi
Journal of Microbiology.2021; 59(5): 460. CrossRef
Flaviflexus ciconiae sp. nov., isolated from the faeces of the oriental stork, Ciconia boyciana
Jae-Yun Lee, Woorim Kang, Pil Soo Kim, So-Yeon Lee, Na-Ri Shin, Hojun Sung, June-Young Lee, Ji-Hyun Yun, Yun-Seok Jeong, Jeong Eun Han, Mi-Ja Jung, Dong-Wook Hyun, Hyun Sik Kim, Euon Jung Tak, Jin-Woo Bae
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Potency of Phlebia species of white rot fungi for the aerobic degradation, transformation and mineralization of lindane: Pengfei Xiao , Ryuichiro Kondo; J. Microbiol. 2020;58(5):395-404. Published online March 28, 2020; DOI: https://doi.org/10.1007/s12275-020-9492-x

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Abstract

The widespread use of the organochlorine insecticide lindane in the world has caused serious environmental problems. The main purpose of this paper is to investigate the potency of several Phlebia species of white rot fungi to degrade, transform and mineralize lindane, and to provide the feasibility of using white rot fungi for bioremediation at contaminated sites. Based on tolerance experiment results, Phlebia brevispora and Phlebia lindtneri had the highest tolerance to lindane and were screened by degradation tests. After 25 days of incubation, P. brevispora and P. lindtneri degraded 87.2 and 73.3% of lindane in low nitrogen medium and 75.8 and 64.9% of lindane in high nitrogen medium, respectively. Several unreported hydroxylation metabolites, including monohydroxylated, dehydroxylated, and trihydroxylated products, were detected and identified by GC/MS as metabolites of lindane. More than 10% of [14C] lindane was mineralized to 14CO2 by two fungi after 60 days of incubation, and the mineralization was slightly promoted by the addition of glucose. Additionally, the degradation of lindane and the formation of metabolites were efficiently inhibited by piperonyl butoxide, demonstrating that cytochrome P450 enzymes are involved in the fungal transformation of lindane. The present study showed that P. brevispora and P. lindtneri were efficient degraders of lindane; hence, they can be applied in the bioremediation process of lindane-contaminated sites.

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Girma Ebsa, Birhanu Gizaw, Mesele Admassie, Tizazu Degu, Tesfaye Alemu
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Vinay Mohan Pathak, Vijay K. Verma, Balwant Singh Rawat, Baljinder Kaur, Neelesh Babu, Akansha Sharma, Seeta Dewali, Monika Yadav, Reshma Kumari, Sevaram Singh, Asutosh Mohapatra, Varsha Pandey, Nitika Rana, Jose Maria Cunill
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Pengfei Xiao, Dedong Wu, Jianqiao Wang
Environmental Science and Pollution Research.2022; 29(1): 1491. CrossRef
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Shimei Pang, Ziqiu Lin, Jiayi Li, Yuming Zhang, Sandhya Mishra, Pankaj Bhatt, Shaohua Chen
Frontiers in Microbiology.2022;[Epub] CrossRef
Myco-remediation of Chlorinated Pesticides: Insights Into Fungal Metabolic System
Priyanka Bokade, Hemant J. Purohit, Abhay Bajaj
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Sanchali Bose, P. Senthil Kumar, Dai-Viet N. Vo, N. Rajamohan, R. Saravanan
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Lactobacillus crispatus and its enolase and glutamine synthetase influence interactions between Neisseria gonorrhoeae and human epithelial cells: Jagoda Płaczkiewicz , Paulina Chmiel , Ewelina Malinowska , Pawel B&# , Agnieszka Kwiatek; J. Microbiol. 2020;58(5):405-414. Published online April 11, 2020; DOI: https://doi.org/10.1007/s12275-020-9505-9

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Abstract

Neisseria gonorrhoeae, an obligatory human pathogen causes the sexually transmitted disease gonorrhea, which remains a global health problem. N. gonorrhoeae primarily infects the mucosa of the genitourinary tract, which in women, is colonized by natural microbiota, dominated by Lactobacillus spp., that protect human cells against pathogens. In this study, we demonstrated that precolonization of human epithelial cells with Lactobacillus crispatus, one of the most prevalent bacteria in the female urogenital tract, or preincubation with the L. crispatus enolase or glutamine synthetase impairs the adhesion and invasiveness of N. gonorrhoeae toward epithelial cells, two crucial steps in gonococcal pathogenesis. Furthermore, decreased expression of genes encoding the proinflammatory cytokines, TNFα and CCL20, which are secreted as a consequence of N. gonorrhoeae infection, was observed in N. gonorrhoeae-infected epithelial cells that had been precolonized with L. crispatus or preincubated with enolase and glutamine synthetase. Thus, our results indicate that the protection of human cells against N. gonorrhoeae infection is a complex process and that L. crispatus and its proteins enolase and glutamine synthetase can have a potential role in protecting epithelial cells against gonococcal infection. Therefore, these results are important since disturbances of the microbiota or of its proteins can result in dysbiosis, which is associated with increased susceptibility of epithelium to pathogens.

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Probiotics: Health benefits, food application, and colonization in the human gastrointestinal tract
Li Ying Jessie Lau, Siew Young Quek
Food Bioengineering.2024; 3(1): 41. CrossRef
Use of probiotic lactobacilli in the treatment of vaginal infections: In vitro and in vivo investigations
Peng Liu, Yune Lu, Rongguo Li, Xiaodi Chen
Frontiers in Cellular and Infection Microbiology.2023;[Epub] CrossRef
Enhanced IgA coating of bacteria in women with Lactobacillus crispatus-dominated vaginal microbiota
Annelot C. Breedveld, Heleen J. Schuster, Robin van Houdt, Rebecca C. Painter, Reina E. Mebius, Charlotte van der Veer, Sylvia M. Bruisten, Paul H. M. Savelkoul, Marjolein van Egmond
Microbiome.2022;[Epub] CrossRef
Molecular Regulatory Mechanisms Drive Emergent Pathogenetic Properties of Neisseria gonorrhoeae
Ashwini Sunkavalli, Ryan McClure, Caroline Genco
Microorganisms.2022; 10(5): 922. CrossRef
Both Neisseria gonorrhoeae and Neisseria sicca Induce Cytokine Secretion by Infected Human Cells, but Only Neisseria gonorrhoeae Upregulates the Expression of Long Non-Coding RNAs
Jagoda Płaczkiewicz, Monika Adamczyk-Popławska, Ewa Kozłowska, Agnieszka Kwiatek
Pathogens.2022; 11(4): 394. CrossRef
Role of the human vaginal microbiota in the regulation of inflammation and sexually transmitted infection acquisition: Contribution of the non-human primate model to a better understanding?
Cindy Adapen, Louis Réot, Elisabeth Menu
Frontiers in Reproductive Health.2022;[Epub] CrossRef
Alterations of Vaginal Microbiota in Women With Infertility and Chlamydia trachomatis Infection
Hongliang Chen, Li Wang, Lanhua Zhao, Lipei Luo, Shuling Min, Yating Wen, Wenbo Lei, Mingyi Shu, Zhongyu Li
Frontiers in Cellular and Infection Microbiology.2021;[Epub] CrossRef
Lactobacillus Cell Surface Proteins Involved in Interaction with Mucus and Extracellular Matrix Components
Lidia Muscariello, Barbara De Siena, Rosangela Marasco
Current Microbiology.2020; 77(12): 3831. CrossRef

Rapid determination of carbapenem resistance by low-cost colorimetric methods: Propidium Iodide and alamar blue staining: Jiyoon Choi , Jiwon Baek , Daehyuk Kweon , Kwan Soo Ko , Hyunjin Yoon; J. Microbiol. 2020;58(5):415-421. Published online March 28, 2020; DOI: https://doi.org/10.1007/s12275-020-9549-x

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Abstract

Carbapenems are a class of β-lactam antibiotics with a broad antimicrobial activity spectrum. Owing to their sturdy structures resistant to most β-lactamases, they have been regarded as one of the last-resort antibiotics for combating multidrugresistant bacterial infections. However, the emergence of carbapenem resistance increases predominantly in nosocomial pathogens. To prevent spread of carbapenem resistance in early stages, it is imperative to develop rapid diagnostic tests that will substantially reduce the time and cost in determining carbapenem resistance. Thus, we devised a staining-based diagnostic method applicable to three different Gram-negative pathogens of Acinetobacter baumannii, Escherichia coli, and Klebsiella pneumoniae, all with the high potential to develop carbapenem resistance. Regardless of the resistance mechanisms presented by bacterial species and strains, double staining with propidium iodide (PI) and alamar blue (AB) identified resistant bacteria with an average sensitivity of 95.35%, 7 h after imipenem treatments in 343 clinical isolates. Among the three species tested, A. baumannii showed the highest diagnostic sensitivity of 98.46%. The PI and ABmediated staining method could be a promising diagnostic
method
with high-throughput efficacy and low cost.

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Cananga oil inhibits Salmonella infection by mediating the homeostasis of purine metabolism and the TCA cycle
Xinyu Yao, Jinying Gao, Lanqiao Wang, Xiaoning Hou, Litao Ge, Xinxin Qin, Jiazhang Qiu, Xuming Deng, Wei Li, Jianfeng Wang
Journal of Ethnopharmacology.2024; 325: 117864. CrossRef
Gold nanoparticle-DNA aptamer-assisted delivery of antimicrobial peptide effectively inhibits Acinetobacter baumannii infection in mice
Jaeyeong Park, Eunkyoung Shin, Ji-Hyun Yeom, Younkyung Choi, Minju Joo, Minho Lee, Je Hyeong Kim, Jeehyeon Bae, Kangseok Lee
Journal of Microbiology.2022; 60(1): 128. CrossRef
Rapid Determination of Antibiotic Resistance in Klebsiella pneumoniae by a Novel Antibiotic Susceptibility Testing Method Using SYBR Green I and Propidium Iodide Double Staining
Yabin Zhang, Weihua Fan, Chunhong Shao, Jiajia Wang, Yan Jin, Jing Shao, Ying Zhang, Yong Wang
Frontiers in Microbiology.2021;[Epub] CrossRef
Optical-Switch-Enabled Microfluidics for Sensitive Multichannel Colorimetric Analysis
Jiukai Tang, Xiaobao Cao, Guangyu Qiu, Andrew deMello, Jing Wang
Analytical Chemistry.2021; 93(17): 6784. CrossRef

Sequence analysis of the first B5 subgenogroup strain of enterovirus 71 isolated in Korea: Yu Jung Won , Lae Hyung Kang , Ah Ra Lee , Bomina Paik , Hyun Kim , Sung Geun Lee , Seung Won Park , Seung Jin Hong , Soon Young Paik; J. Microbiol. 2020;58(5):422-429. Published online March 28, 2020; DOI: https://doi.org/10.1007/s12275-020-9539-z

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Abstract: Enterovirus A71 (EV71), the main etiological agent of handfoot- mouth disease (HFMD), circulates in many areas of the world and has caused large epidemics since 1997, especially in the Asia-Pacific region. In this study, we determined the full-genome sequence of CMC718, a newly isolated EV71 strain in Korea. The CMC718 genome was 7,415 nucleotides in length and was confirmed by whole-genome phylogenetic analysis to belong to the B5 genotype. In particular, CMC718 demonstrated maximum identity with strain M988 of the B5 genotype and numerous amino acid variants were detected in the 3D domain of the viral protein P3, which is consistent with the mutation pattern of a B5 strain isolated in 2012–2013. Comparison of the CMC718 sequence with other EV71 reference strains confirmed the relationship and genetic variation of CMC718. Our study was a full-genome sequence analysis of the first EV71 strain of the B5 genotype isolated in South Korea. This information will be a valuable reference for the development of methods for the detection of recombinant viruses, the tracking of infections, and the diagnosis of EV71.

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