文献类型： 外文期刊
作者： Gao, Jun-Lian 1 ; Sun, Pengbo 2 ; Wang, Xu-Ming 1 ; Qiu, Tian-Lei 1 ; Lv, Fan-Yang 3 ; Yang, Ming-Ming 1 ; Lu, Mengzhu 2 ;
作者机构： 1.Beijing Acad Agr & Forestry, Beijing Municipal Key Lab Agr Gene Resources & Bi, Beijing Agrobiotechnol Res Ctr, Beijing 100097, Peoples R China
2.Chinese Acad Forestry, Res Inst Forestry, State Key Lab Tree Genet & Breeding, Beijing 100091, Peoples R China
3.Chinese Acad Agr Sci, Minist Agr, Inst Agr Resources & Reg Planning, Key Lab Microbial Resources, Beijing 100081, Peoples R China
4.Chinese Acad Agr Sci, Minist Agr, Inst Agr Resources & Reg Planning, Key Lab Microbial Re
期刊名称：INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY （ 影响因子：2.747； 五年影响因子：2.889 ）
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收录情况： SCI
摘要： A novel Gram-stain-negative, aerobic, motile by gliding and filamentous strain, designated 772(T), was isolated from surface-sterilized root tissue of maize planted in the Fangshan District of Beijing, China. 16S rRNA gene sequence analysis indicated that strain 772(T) was closely related to Filimonas endophytica SR2-06(T) and Filimonas lacunae YT21(T) of the family Chitinophagaceae with sequence similarities of 99.0 and 96.9%, respectively. However, the new isolate exhibited relatively low levels of DNA-DNA relatedness with respect to Filimonas. endophytica KCTC 42060(T) (1 8.7 +/- 1.8 %) and Filimonas. lacunae DSM 21054(T) (1 7.9 +/- 2.0%). The DNA G+C content of strain 772(T) was 44.9 mol%. The respiratory quinone was menaquinone-7 and the polar lipid profile consisted of phosphatidylethanolamine, two unidentified aminophospholipids, two unidentified phospholipids and one unidentified lipid. The major fatty acids were iso-C-15:0 and iso-C-15:1 G. The results of the physiological and biochemical tests and minor differences in the fatty acid profiles allowed the clear phenotypic differentiation of strain 772(T) from the closely related species Filimonas. endophytica and F. lacunae. Strain 772(T) thus represents a novel species within the genus Filimonas, for which the name Filimonas zeae sp. nov. is proposed. The type strain is 772(T) (=CGMCC 1.15290(T)=DSM 100760(T)).
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