Item request has been placed!
×
Item request cannot be made.
×
![loading](/sites/all/modules/hf_eds/images/loading.gif)
Processing Request
Klebsiella michiganensis: a nitrogen-fixing endohyphal bacterium from Ustilago maydis.
Item request has been placed!
×
Item request cannot be made.
×
![loading](/sites/all/modules/hf_eds/images/loading.gif)
Processing Request
- معلومة اضافية
- الموضوع:
- نبذة مختصرة :
Ustilago maydis is a pathogenic fungus in Basidiomycota causing corn smut disease. A strain of U. maydis YZZF202006 was isolated from the tumor of corn smut collected from Jingzhou city in China. The intracellular bacteria were confirmed inner hyphal of the strain YZZF202006 by PCR amplification and fluorescence in situ hybridization (FISH) and SYTO-9. An endohyphal bacterium YZUMF202001 was isolated from the protoplasts of the strain YZZF202006. It was gram-negative, short rod-shaped with smooth light yellow colony. The endohyphal bacterium was genomic evidenced as Klebsiella michiganensis on the basis of average nucleotide identity (ANI) analysis and the phylogram. Then K. michiganensis was GFP-Labeled and reintroduced into U. maydis, which confirmed the bacterium can live in hyphae of U.maydis. The bacterium can grow on N-free culture media. Its nitrogenase activity was reached av. 646.25 ± 38.61 nmol·mL− 1·h− 1 C2H4 by acetylene reduction assay. A cluster of nitrogen fixation genes (nifJHDKTXENXUSVWZMFLABQ) was found from its genome. The endohyphal K. michiganensis may play an important role to help nitrogen fixation for fungi in the future. Key points: A endohyphal bacterium Klebsiella sp. was found and isolated from Ustilago maydis. Endohyphal bacterium was identified and evaluated for nitrogen fixation. A GFP-Labeled K. michiganensis was reintroduced into U. maydis by a new method. [ABSTRACT FROM AUTHOR]
- نبذة مختصرة :
Copyright of AMB Express is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
No Comments.