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首页> 外文期刊>Archives of microbiology >Rheinheimera japonica sp. nov., a novel bacterium with antimicrobial activity from seashore sediments of the Sea of Japan.
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Rheinheimera japonica sp. nov., a novel bacterium with antimicrobial activity from seashore sediments of the Sea of Japan.

机译：莱茵莱茵粳稻nov。，一种来自日本海沿岸沉积物的具有抗菌活性的新型细菌。

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摘要

Two gram-negative, aerobic, brown-pigmented, motile rod-shaped bacteria KMM 9512 and KMM 9513(T) were isolated from a sediment sample collected from the Sea of Japan seashore, Russia. On the basis of the 16S rRNA gene sequence analysis, novel strains KMM 9512 and KMM 9513(T) positioned within the genus Rheinheimera (class Gammaproteobacteria) as a separate subline adjacent to Rheinheimera baltica DSM 14885(T) sharing highest gene sequence similarities of 98.6-97.6 % to their closest phylogenetic relatives, Rheinheimera muenzenbergensis LMG 27269(T), R. baltica DSM 14885(T), Rheinheimera aquimaris JCM 14331(T), Rheinheimera nanhaiensis KACC 14030(T), and Rheinheimera pacifica KMM 1406(T). Strains KMM 9512 and KMM 9513(T) belong to the same separate genospecies on the basis of the 16S rRNA gene sequence similarity (99.8 %) and their DNA relatedness to each other (89 %) and to closely related Rheinheimera species (25-53 %). The major isoprenoid quinone was Q-8, polar lipids consisted of phosphatidylserine, phosphatidylglycerol, phosphatidylethanolamine, unknown aminolipids, unknown aminophospholipids, unknown phospholipids, and unknown lipids, and major fatty acid were C16:0, C16:1 ω7c, C17:1 ω8c, C12:0 3-OH followed by C17:0 and C18:1 ω7c in both strains. Strains KMM 9512 and KMM 9513(T) revealed a remarkable antagonistic activity toward a number of gram-positive and gram-negative microorganisms. On the basis of phylogenetic analysis, DNA-DNA hybridization results, and phenotypic differences, strains KMM 9512 and KMM 9513(T) are proposed to be classified as a novel species of the genus Rheinheimera, Rheinheimera japonica sp. nov. The type strain of this species is KMM 9513(T) = NRIC 0918(T).
机译：从俄罗斯海日本海岸收集的沉积物样本中分离出两种革兰氏阴性，需氧，褐色色素，能运动的杆状细菌KMM 9512和KMM 9513（T）。根据16S rRNA基因序列分析，新菌株KMM 9512和KMM 9513（T）位于Rheinheimera（Gammaproteobacteria类）内，作为靠近波氏莱茵大肠菌DSM 14885（T）的单独亚系，具有98.6的最高基因序列相似性-97.6％最接近的亲缘关系，Rheinheimera muenzenbergensis LMG 27269（T），R. baltica DSM 14885（T），Rheinheimera aquimaris JCM 14331（T），Rheinheimera nanhaiensis KACC 14030（T）和Rheinheimera pacifica KMM 1406 。菌株KMM 9512和KMM 9513（T）基于16S rRNA基因序列相似性（99.8％）以及它们彼此之间的DNA关联性（89％）和与紧密相关的莱茵海默氏菌物种（25-53）属于相同的独立种％）。主要的类异戊二烯醌为Q-8，极性脂质包括磷脂酰丝氨酸，磷脂酰甘油，磷脂酰乙醇胺，未知的氨基脂质，未知的氨基磷脂，未知的磷脂和未知的脂质，主要脂肪酸为C16：0，C16：1ω7c，C17：1ω8c在两个菌株中，C12：0 3-OH，接着是C17：0和C18：1ω7c。菌株KMM 9512和KMM 9513（T）表现出对多种革兰氏阳性和革兰氏阴性微生物的显着拮抗活性。根据系统发育分析，DNA-DNA杂交结果和表型差异，建议将菌株KMM 9512和KMM 9513（T）归类为莱茵海默氏菌属（Rheinheimera japonica sp。）的一个新物种。十一月该种类的菌株为KMM 9513（T）= NRIC 0918（T）。

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