請用此 Handle URI 來引用此文件: http://hdl.handle.net/11455/93826
標題: Rhizobium capsici sp. nov., isolated from root tumor of a green bell pepper (Capsicum annuum var. grossum) plant
作者: Lin, Shih-Yao
Hung, Mei-Hua
Hameed, Asif
Liu, You-Cheng
Hsu, Yi-Han
Wen, Cheng-Zhe
Arun, A B
Busse, Hans-Jürgen
Glaeser, Stefanie P
Kämpfer, Peter
Young, Chiu-Chung
關鍵字: Aerobiosis
Bacterial Typing Techniques
Base Composition
Capsicum
Cluster Analysis
Cytosol
DNA, Bacterial
DNA, Ribosomal
Fatty Acids
Hydrogen-Ion Concentration
Locomotion
Microscopy, Electron, Transmission
Molecular Sequence Data
Nucleic Acid Hybridization
Phospholipids
Phylogeny
Plant Roots
Quinones
RNA, Ribosomal, 16S
Rec A Recombinases
Rhizobium
Sequence Analysis, DNA
Sequence Homology, Nucleic Acid
Sodium Chloride
Taiwan
Temperature
Transcription Factors
摘要: A novel, Gram-staining-negative, rod-shaped, aerobic and motile bacterium, designated strain CC-SKC2(T), was isolated from the root tumor of a green bell pepper (Capsicum annuum var. grossum) plant in Taiwan. Cells were positive for oxidase and catalase activities and exhibited growth at 25-37 °C, pH 4.0-9.0 and tolerated NaCl concentrations up to 4.0 % (w/v). Strain CC-SKC2(T) is able to trigger nodulation in soybean (Glycine max Merr.), but not in Capsicum annuum var. grossum, red bean (Vigna angularis), sesbania (Sesbania roxburghii Merr.) or alfalfa (Medicago varia Martin.). The novel strain shared highest 16S rRNA gene sequence similarity to Rhizobium rhizoryzae KCTC 23652(T) and Rhizobium straminoryzae CC-LY845(T) (both 97.5 %) followed by Rhizobium lemnae L6-16(T) (97.3 %), Rhizobium pseudoryzae KCTC 23294(T) (97.1 %), and Rhizobium paknamense NBRC 109338(T) (97.0 %), whereas other Rhizobium species shared <96.7 % similarity. The DNA-DNA relatedness values of strain CC-SKC2(T) with R. rhizoryzae KCTC 23652(T), R. pseudoryzae KCTC 23294(T) and R. paknamense NBRC 109338(T) were 11.4, 17.2 and 17.0 %, respectively (reciprocal values were 11.1, 28.3 and 24.0 %, respectively). Phylogenetic analysis based on 16S rRNA, atpD and recA genes revealed a distinct taxonomic position attained by strain CC-SKC2(T) with respect to other Rhizobium species. The major fatty acids in strain CC-SKC2(T) were C16:0, C19:0 cyclo ω8c, C14:0 3-OH and/or C16:1 iso I and C18:1 ω7c and/or C18:1 ω6c. The polyamine pattern showed predominance of spermidine and moderate amounts of sym-homospermidine. The predominant quinone system was ubiquinone (Q-10) and the DNA G+C content was 60.5 mol%. On the basis of polyphasic taxonomic evidence presented here, strain CC-SKC2(T) is proposed to represent a novel species within the genus Rhizobium, for which the name Rhizobium capsici sp. nov. is proposed. The type strain is CC-SKC2(T) (=BCRC 80699(T) = JCM 19535(T)).
URI: http://hdl.handle.net/11455/93826
顯示於類別:土壤環境科學系

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