Winogradskyella pelagia sp. 在这里我们可以看到 从沿海沉积物中分离出来的nov
Fan Li1, Yang-Yang Sun1,2, Ya-Jing Zhang1
1Marine College, Shandong University, Weihai, Shandong 264209, PR China.
概括
一种新的色细菌,株DF17T,从沿海沉积物中分离出来. 遗传学和基因组分析证实它代表了一种新物种,Winogradskyella pelagia,扩大了Winogradskyella属.
科学领域:
- 微生物学 微生物学
- 细菌的分类学 细菌的分类学
- 海洋生物学 海洋生物学
背景情况:
- 属 *Winogradskyella* 包含具有不同生态作用的海洋细菌.
- 对新型细菌物种的表征对于了解海洋环境中的微生物多样性至关重要.
研究的目的:
- 从沿海沉积物中分离和描述一种新的细菌菌株.
- 确定该新型菌株在*Winogradskyella*属中的分类地位.
主要方法:
- 从沿海沉积物中分离和培养细菌.
- 使用16S rRNA基因序列进行了家族遗传学分析.
- 基因组分析包括DNA G+C含量,脂肪酸分析,极性脂质分析和呼吸系统子的确定.
- 平均核酸标识 (ANI) 和数字DNA-DNA杂交 (dDDH) 用于物种划分.
主要成果:
- 菌株DF17T是一种有色素的色,阴性,有氧棒.
- 在30°C,pH7.5和3%的NaCl.Cl.条件下增长最佳.
- 最高的16S rRNA基因序列相似性 (96.9%) 与*Winogradskyella aquimaris* KCTC 23502T.
- 基因组分析 (ANI,dDDH) 低于物种划分值,支持其新奇性.
- 主要脂肪酸:iso-C15:1 G,iso-C15:0,和iso-C17:0 3-OH;主要的呼吸系统:MK-6.
结论:
- 菌株DF17T代表了Winogradskyella*属的一个新物种.
- 这种新物种的建议名称是 *Winogradskyella pelagia* sp. 在新的一年里.
- 该类型的菌株是DF17T (MCCC 1H00456T=KCTC 82421T) 的.
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