Carotenoid-Producing Paracoccus aurantius sp. nov., Isolated from the West Coast of Dokdo Island, Republic of Korea.

IF 2.5 4区 生物学 Q3 BIOTECHNOLOGY & APPLIED MICROBIOLOGY
Journal of microbiology and biotechnology Pub Date : 2024-10-28 Epub Date: 2024-08-09 DOI:10.4014/jmb.2404.04053
Chi Young Hwang, Eui-Sang Cho, Eun Hee Bae, Dong-Hyun Jung, Myung-Ji Seo
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引用次数: 0

Abstract

In this study, a novel species within the genus Paracoccus was isolated from the coastal soil of Dokdo (Seodo) Island and investigated. We elucidated the novel species, designated MBLB3053T, through genomic analysis of novel functional microbial resources. Cells were gram-negative, non-motile, and coccoid, and the colony was light orange in color. Phylogenetic analysis based on the 16S rRNA gene showed that strain MBLB3053T was related to the genus Paracoccus, with 98.5% similarity to Paracoccus aestuariivivens. Comparative genome analysis also revealed the strain to be a novel species of the genus Paracoccus by average nucleotide identity and in silico DNA-DNA hybridization values. Through secondary metabolite analysis, terpene biosynthetic gene clusters associated with carotenoid biosynthesis were found in strain MBLB3053T. Using high-performance liquid chromatography, strain MBLB3053T was confirmed to produce carotenoids, including all-trans-astaxanthin, by comparison to the standard compound. Notably, the isolate was also confirmed to produce carotenoids that other closely related species did not produce. Based on this comprehensive polyphasic taxonomy, strain MBLB3053T represents a novel species within the genus Paracoccus, for which the name Paracoccus aurantius sp. nov is proposed. The type strain was MBL3053T (=KCTC 8269T =JCM 36634T). These findings support the research and resource value of this novel species, which was isolated from the Dokdo environmental microbiome.

从大韩民国独岛西海岸分离的类胡萝卜素生成副球菌(Paracoccus aurantius sp.
本研究从独岛(西岛)沿海土壤中分离并研究了副球菌属中的一个新物种。我们通过对新型功能微生物资源进行基因组分析,阐明了该新物种(命名为 MBLB3053T)。细胞为革兰氏阴性,无运动性,茧状,菌落呈浅橙色。基于 16S rRNA 基因的系统进化分析表明,菌株 MBLB3053T 与 Paracoccus 属有关,与 Paracoccus aestuariivens 的相似度为 98.5%。比较基因组分析还显示,通过平均核苷酸同一性和硅 DNA-DNA 杂交值,该菌株是 Paracoccus 属的一个新物种。通过次级代谢物分析,在菌株 MBLB3053T 中发现了与类胡萝卜素生物合成相关的萜烯生物合成基因簇。利用高效液相色谱法,通过与标准化合物的比较,证实菌株 MBLB3053T 能产生类胡萝卜素,包括全反式-虾青素。值得注意的是,该分离菌株还被证实能产生其他近缘物种不产生的类胡萝卜素。基于这种全面的多相分类法,菌株 MBLB3053T 代表了 Paracoccus 属中的一个新物种,并将其命名为 Paracoccus aurantius sp.模式菌株为 MBL3053T(=KCTC 8269T =JCM 36634T)。这些发现支持了从独岛环境微生物组中分离出的这一新物种的研究和资源价值。
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来源期刊
Journal of microbiology and biotechnology
Journal of microbiology and biotechnology BIOTECHNOLOGY & APPLIED MICROBIOLOGY-MICROBIOLOGY
CiteScore
5.50
自引率
3.60%
发文量
151
审稿时长
2 months
期刊介绍: The Journal of Microbiology and Biotechnology (JMB) is a monthly international journal devoted to the advancement and dissemination of scientific knowledge pertaining to microbiology, biotechnology, and related academic disciplines. It covers various scientific and technological aspects of Molecular and Cellular Microbiology, Environmental Microbiology and Biotechnology, Food Biotechnology, and Biotechnology and Bioengineering (subcategories are listed below). Launched in March 1991, the JMB is published by the Korean Society for Microbiology and Biotechnology (KMB) and distributed worldwide.
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