Journal of Microbiology

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Genomic and physiological analysis of C50 carotenoid-producing novel Halorubrum ruber sp. nov.: Chi Young Hwang , Eui-Sang Cho , Won Jong Rhee , Eunjung Kim , Myung-Ji Seo; J. Microbiol. 2022;60(10):1007-1020. Published online August 26, 2022; DOI: https://doi.org/10.1007/s12275-022-2173-1

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A novel haloarchaeal species designated as MBLA0099T was isolated from seawater near Yeongheung Island. Cells were Gram-negative, non-motile, red-pigmented, and rod-shaped. They grew at 10–45°C, within pH 5.5–9.0, and between 7.5% and 30% NaCl concentrations. Cells were able to grow without Mg2+ and were lysed in distilled water. The size of the whole-genome and G + C content of DNA was 3.02 Mb and 68.9 mol%, respectively. Phylogenetic analysis shows that the strain MBLA0099T belongs to the genus Halorubrum. The average nucleotide and amino acid identity, and in silico DNA-DNA hybridization values were below the species delineation threshold. Pan-genomic analysis revealed that 3.2% of all genes present in strain MBLA0099T were unique to the strain. The red carotenoid produced by strain MBLA0099T was subjected to spectrometric and chromatographic analyses and confirmed to be bacterioruberin as C50 carotenoid. Mevalonic acid, terpenoid backbone, and carotenoid biosynthesis pathway were annotated for strain MBLA0099T. The C50 carotenoid production by strain MBLA0099T was also enhanced under various stress conditions including relatively netural pH, high oxidative and salinity conditions. Additionally, the strain MBLA0099T-derived bacterioruberin showed the antioxidant activity with EC50 value of 12.29 μg/ml, based on the evaluation of DPPH free radical scavenging activity. The present study would be the first report on the identification of C50 carotenoid from the strain MBLA0099T representing a novel species of the genus Halorubrum, for which the name Halorubrum ruber sp. nov. is proposed. The typestrain used was MBLA0099T (= KCTC 4296T = JCM 34701T).

Citations

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Optimization of bacterioruberin production from Halorubrum ruber and assessment of its antioxidant potential
Chi Young Hwang, Eui-Sang Cho, Sungjun Kim, Kyobum Kim, Myung-Ji Seo
Microbial Cell Factories.2024;[Epub] CrossRef
Microbial Bacterioruberin: A Comprehensive Review
Mouliraj Palanisamy, Sathishkumar Ramalingam
Indian Journal of Microbiology.2024; 64(4): 1477. CrossRef
Congregibacter variabilis sp. nov. and Congregibacter brevis sp. nov. Within the OM60/NOR5 Clade, Isolated from Seawater, and Emended Description of the Genus Congregibacter
Hyeonsu Tak, Miri S. Park, Hyerim Cho, Yeonjung Lim, Jang-Cheon Cho
Journal of Microbiology.2024; 62(9): 739. CrossRef
Genomic insights on carotenoid synthesis by extremely halophilic archaea Haloarcula rubripromontorii BS2, Haloferax lucentense BBK2 and Halogeometricum borinquense E3 isolated from the solar salterns of India
Devika. N. Nagar, Kabilan Mani, Judith M. Braganca
Scientific Reports.2024;[Epub] CrossRef
Microbial bacterioruberin: The new C50 carotenoid player in food industries
Cassamo U. Mussagy, Angie V. Caicedo-Paz, Fabiane O. Farias, Leonardo M. de Souza Mesquita, Daniele Giuffrida, Laurent Dufossé
Food Microbiology.2024; 124: 104623. CrossRef
Evaluation of Various Escherichia coli Strains for Enhanced Lycopene Production
Jun Ren, Junhao Shen, Thi Duc Thai, Min-gyun Kim, Seung Ho Lee, Wonseop Lim, Dokyun Na
Journal of Microbiology and Biotechnology.2023; 33(7): 973. CrossRef
Bioactive molecules from haloarchaea: Scope and prospects for industrial and therapeutic applications
Jamseel Moopantakath, Madangchanok Imchen, V. T. Anju, Siddhardha Busi, Madhu Dyavaiah, Rosa María Martínez-Espinosa, Ranjith Kumavath
Frontiers in Microbiology.2023;[Epub] CrossRef

Molecular genomic characterization of severe fever with thrombocytopenia syndrome virus isolates from South Korea: Yu Jung Won , Lae Hyung Kang , Sung Geun Lee , Seung Won Park , Jae Ik Han , Soon Young Paik; J. Microbiol. 2019;57(10):927-937. Published online August 3, 2019; DOI: https://doi.org/10.1007/s12275-019-9174-8

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Abstract

Severe fever with thrombocytopenia syndrome (SFTS) is a tick-borne emerging infectious disease caused by the SFTS virus (SFTSV) and is a threat to public health due to its high fatality rate. However, details on tick-to-human transmission of SFTSV are limited. In this study, we determined the wholegenome sequence of a South Korean SFTSV strain (CUKJJ01), compared it to those of other recent human SFTSV isolates, and identified the genetic variations and relationships among the SFTSV strains. The genome of CUK-JJ01 was consistent with the genome of other members of the genus Phlebovirus, including the large (L), medium (M), and small (S) segments of 6368, 3378, and 1744 nucleotides, respectively. Based on amino acid sequences of the M and S segments, which are used to distinguish the six SFTSV genotypes, CUK-JJ01 was classified as genotype B. Segment analysis revealed that the L, M, and S segments were 97.49%, 97.18%, and 97.94% similar to those of KAJNH2/2013/ Korea, ZJZHSH-FDE/2012/China, and KADGH/2013/Korea, respectively. Currently, only few studies on SFTSV have been conducted in Korean population and most were limited to serological analysis. Although the present study has limitations in terms of number of sample analyzed, the findings may serve as basis to understand the transmission and spread of SFTSV, as well as for the development of diagnostic and detection methods for viral recombinants by comparing the whole genome sequence of SFTSV isolates from South Korea and that of foreign isolates.

Citations

Citations to this article as recorded by

Circulation of tick-borne pathogens in wildlife of the Republic of Korea
Hye-ryung Byun, Seong-Ryeong Ji, Jun-Gu Kang, Chang-Yong Choi, Ki-Jeong Na, Jong-Taek Kim, Joon-Seok Chae
One Health.2024; 19: 100913. CrossRef
Molecular characterization of the genome of a new bunyavirus isolated in 2023 in Huzhou, China
Shili Song, Zhang Shen, Deshun Xu
Journal of Clinical Virology Plus.2024; 4(3): 100188. CrossRef
Multiple Genotypes and Reassortants of Severe Fever With Thrombocytopenia Syndrome Virus Co‐Circulating in Hangzhou in Southeastern China, 2013–2023
Yanping Wen, Zhimin Ni, Yan Hu, Jun Wu, Yezhen Fang, Guozhong Zhang, Renjie Huang, Shi Cheng, Feifei Cao, Qihao Xu, Yue Yu, Min Liu, Hongnv Yu, Liangliang Huo, Jun Li
Journal of Medical Virology.2024;[Epub] CrossRef
Genetic Diversity, Regional Distribution, and Clinical Characteristics of Severe Fever with Thrombocytopenia Syndrome Virus in Gangwon Province, Korea, a Highly Prevalent Region, 2019–2021
Mi-Young Moon, Hyeon Kyu Kim, Se-Jin Chung, Jae Hwan Byun, Ha-Na Kim, Woan Lee, Soon-Won Lee, Sezim Monoldorova, Sungkyeong Lee, Bo-Young Jeon, Eun-Joo Lim
Microorganisms.2023; 11(9): 2288. CrossRef
Identification of severe fever with thrombocytopenia syndrome virus genotypes in patients and ticks in Liaoning Province, China
Xiao-Hu Han, Yue Ma, Hong-Yan Liu, Dan Li, Yan Wang, Feng-Hua Jiang, Qing-Tian Gao, Feng Jiang, Bao-Shan Liu, Guo-Shun Shen, Ze-Liang Chen
Parasites & Vectors.2022;[Epub] CrossRef
Analysis of cross neutralizing activity of antibodies from sera of severe fever with thrombocytopenia syndrome patients to deal with different genotype strains
Jiaxin Xu, Yuanni Liu, Fan Zhang, Xin Wang, Weijin Huang, Yulong Wu, Boqing Li, Jiapeng Zhuang, Yixing Bing, Youchun Wang, Yuanyuan Qiao
Frontiers in Microbiology.2022;[Epub] CrossRef
Development of a real-time loop-mediated isothermal amplification method for the detection of severe fever with thrombocytopenia syndrome virus
Jae Woong Lee, Yu-Jung Won, Lae Hyung Kang, Sung-Geun Lee, Seung-Won Park, Soon-Young Paik
Journal of Microbiology.2020; 58(8): 711. CrossRef

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