|
KMID : 0880220120500010050
|
|
Journal of Microbiology
2012 Volume.50 No. 1 p.50 ~ p.57
|
|
|
Diversity and physiological properties of root endophytic actinobacteria in native herbaceous plants of Korea
|
|
Kim Tae-Ui
Cho Sung-Heun
Han Ji-Hye
Shin Young-Min
Kim Seung-Bum
Lee Hyang-Burm
|
|
|
Abstract
|
|
|
|
Endophytic actinobacterial diversity in the native herbaceous plant species of Korea was analyzed using a culture-based approach. Sixty one actinobacterial strains were isolated, and assigned to 15 genera based on 16S rRNA gene analysis. The members of the genus Streptomyces comprised 45.9% of the total isolates, followed by Micromonospora (18.8%), Rhodococcus (6.6%), Microbispora (4.9%), and Micrococcus (4.9%). Other minor constituents included members of Microbacterium, Streptacidiphilus, Arthrobacter, Dietzia, Kitasatospora, Herbiconiux, Mycobacterium, Nocardia, Rathayibacter, and Tsukamurella. Among the isolates, 65.6% exhibited at least one hydrolytic enzyme activity out of four, and 45.9% exhibited antagonistic activity against at least one fungal pathogen out of five, thus demonstrating that endophytic actinobacteria can be an important source of bioactive compounds. Notably, most strains of Streptomyces proved active for both enzymatic and antagonistic activities.
|
|
|
KEYWORD
|
|
|
endophytic actinobacteria, native herbaceous plant, Streptomyces, Rhodococcus
|
|
|
FullTexts / Linksout information
|
|
|
|
|
|
Listed journal information
|
|
  
|
|