Flavobacterium arundinis sp. nov., Flavobacterium calami sp. nov., Flavobacterium helocola sp. nov. and Flavobacterium flavipallidum sp. nov., isolated from stagnant water in a clump of Phragmites japonica Steud

生物 16S核糖体RNA 黄杆菌 拉伤 芦苇 微生物学 细菌 植物 假单胞菌 生态学 遗传学 湿地 解剖
作者
Sunho Park,Inhyup Kim,Haejin Woo,Hyun Ji Lee,Subin Yook,Taegun Seo
出处
期刊:International Journal of Systematic and Evolutionary Microbiology [Microbiology Society]
卷期号:75 (1)
标识
DOI:10.1099/ijsem.0.006667
摘要

Four novel bacterial strains were isolated from stagnant water in a clump of Phragmites japonica Steud. The four Gram-negative, facultatively anaerobic, rod-shaped, non-motile and yellow-coloured strains were designated as DGU11 T , DGU38 T , DGU41 T and DGU99 T . The four novel strains exhibited 16S rRNA gene similarities with their closest type strains, ranging from 95.7 to 98.7%, average nucleotide identity values from 75.3 to 95.6% and digital DNA–DNA hybridization values between 17.9 and 59.6%. The cells of strain DGU11 T were non-motile and grew at 10−30°C (optimum 25 °C), a pH range of 4.0–12.0 (optimum 9.0) and in the presence of 0–1.0% sodium chloride (NaCl) (optimum 0%). The cells of strain DGU38 T were non-motile and grew at 10−35°C (optimum 30 °C), a pH range of 4.0–8.0 (optimum 7.0) and at 0 –2.0% NaCl (optimum 0%). The cells of strain DGU41 T were non-motile and grew at 15−50°C (optimum 30 °C), a pH range of 6.0–9.0 (optimum 7.0) and in the presence of 0% NaCl (optimum 0%). The cells of strain DGU99 T were non-motile and grew at 15−35°C (optimum 25 °C), a pH range of 6.0–12.0 (optimum 9.0) and in the presence of 0 –2.0% NaCl (optimum 0%). The major fatty acid composition of the four novel strains was iso-C 15:0 and C 16:1 ω7 c / C1 6:1 ω6 c, which is similar to other Flavobacterium species. The proposed names of the novel strains are Flavobacterium arundinis sp. nov. (type strain DGU11 T =KACC 23722 T =TBRC 19004 T ), Flavobacterium calami sp. nov. (type strain DGU38 T =KACC 23723 T =TBRC 19005 T ), Flavobacterium helocola sp. nov. (type strain DGU41 T =KACC 23724 T =TBRC 19006 T ) and Flavobacterium flavipallidum sp. nov. (type strain DGU99 T =KACC 23725 T =TBRC 19007 T ).
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