Leisingera thetidis sp. 在这里可以看到. Nov.,从沿海水域中分离出来
Min-Ju Kim1,2, Yong Guan1, Hanna Choe1
1Biological Resource Center/Korean Collection for Type Cultures (KCTC), Korea Research Institute of Bioscience and Biotechnology (KRIBB), Jeongeup 56212, Republic of Korea.
概括
一种新的海洋细菌,Leisingera thetidis sp. 这是一种新的海洋细菌. 新型菌株BMJM1T,在韩国沿海水域被发现. 这种严格有氧的,阴性细菌代表了Leisingera属内的新型物种.
科学领域:
- 微生物学 微生物学
- 细菌学 细菌学是一门学科.
- 海洋科学 海洋科学
背景情况:
- *Leisingera*属包括具有不同代谢能力的海洋细菌.
- 准确的分类学分类对于理解微生物多样性和生态作用至关重要.
研究的目的:
- 为了从分类学上描述一种新的细菌分离物,菌株BMJM1T,来自海洋环境.
- 确定BMJM1T菌株是否代表了Leisingera*属内的新物种.
主要方法:
- 从海洋样本中分离和培养细菌.
- 使用16S rRNA基因序列进行了家族遗传学分析.
- 多相分类学表征包括数字DNA-DNA杂交 (dDDH) 和平均核酸同一性 (ANI) 分析.
- 确定化学分类学属性,如脂肪酸组成,极性脂质和异oprenoid .
主要成果:
- 菌株BMJM1T是一种格拉姆阴性,有氧,棒状的细菌,形成粉红色色的殖民地.
- 遗传学分析显示与现有的*Leisingera*物种密切相关,16S rRNA基因序列的相似性在97.25%至98.27%之间.
- 数字DNA-DNA杂交 (dDDH) 值 (<40%) 和平均核酸标识 (ANI) 值 (<90%) 低于物种划分的值,证实了新奇性.
- 化学分类学数据,包括占主导地位的脂肪酸 (总体特征8和C14:1iso E),主要的极性脂质 (酸乙醇胺和脂),以及作为主要的异基因的ubiquinone-10,支持了其分类.
- DNA G+C含量被确定为64.0%.
结论:
- 菌株BMJM1T代表了 *Leisingera* 属的新物种,被提出为 *Leisingera thetidis* sp. 在新的一年里.
- 这种新物种的类型菌株是BMJM1T (=KCTC 92110T=GDMCC 1.2992T).
- 这一发现扩大了Leisingera属内的已知多样性,并有助于了解海洋微生物生态系统.
更多相关视频
相关概念视频
Green Algae
60
Green algae, also referred to as chlorophytes, are different from red algae in having the chloroplasts containing chlorophylls a and b, which give them their distinct green hue. However, they lack phycobiliproteins, preventing them from developing the red or blue-green pigmentation seen in red algae. In terms of photosynthetic pigment composition, green algae closely resemble plants and share a close evolutionary relationship with them. Taxonomically Green algae belong to Phylum Chlorophyta in...
60
Other Algae
49
The group Stramenopiles include some phototrophic microorganisms. Members of this group possess flagella covered in numerous short, hairlike extensions, a feature that inspired the group's name, derived from the Latin words for "straw" and "hair." Some of the main categories of Stramenopiles include diatoms, golden algae, and brown algae.Diatoms are unicellular, photosynthetic eukaryotes, with over 200 known genera. They play a key role in the planktonic communities of both marine and...
49
Diversity of Protists III
59
Rhizaria are a diverse group of unicellular protists characterized by their threadlike cytoplasmic extensions known as pseudopodia. These structures aid in both locomotion and feeding, giving Rhizaria an amoeboid appearance. Their amoeboid morphology once led to taxonomic confusion, but molecular phylogenetics has clarified their evolutionary placement and emphasized their shared use of pseudopodia despite divergent lineages.This clade comprises diverse lineages such as Chlorarachniophyta,...
59
Red Algae
65
Red algae, also known as rhodophytes, are primarily found in marine environments, though some species inhabit freshwater and terrestrial ecosystems. These organisms exist in both unicellular and multicellular forms, with some multicellular varieties reaching macroscopic sizes.As phototrophic organisms, red algae contain chlorophyll a; however, their chloroplasts lack chlorophyll b. Instead, they possess phycobiliproteins, which serve as major light-harvesting pigments, similar to those found in...
65
Hyperthermophilic Bacteria
37
Domain Bacteria includes some unique hyperthermophilic species. They exhibit remarkable adaptations that enable survival in extreme environments.Thermotoga species are rod-shaped, gram-negative, non-sporulating hyperthermophiles that form a sheath-like envelope called a toga. They ferment sugars or starch, producing lactate, acetate, CO₂, and H₂, and can also grow via anaerobic respiration using H₂ and ferric iron. Found in hot springs and hydrothermal vents, over 20% of their...
37
Anoxygenic Phototrophic Bacteria
61
Anoxygenic phototrophic bacteria are a diverse group of microorganisms that perform photosynthesis without producing oxygen. They primarily include purple sulfur bacteria, purple nonsulfur bacteria, green sulfur bacteria, and green nonsulfur bacteria. These bacteria are classified into the Gammaproteobacteria, Alphaproteobacteria, Betaproteobacteria, Chlorobi, and Chloroflexi lineages, each with distinct physiological and ecological adaptations.Purple sulfur bacteria belong to the...
61


