Identification and characterisation of the fur genes in Photobacterium damselae ssp. piscicida andssp. damselae

Diseases of Aquatic Organisms

Carlos R. Osorio¹  Manuel L. Lemos¹  Sandra Juíz-Río¹ 

关键词: Photobacterium damselae;    Pasteurellosis;    fur gene;    Fur protein;    Iron uptake;   

DOI  :  10.3354/dao058151

学科分类：生物科学（综合）

来源: Inter-Research

【 摘 要 】

ABSTRACT: The gene encoding the ferric uptake regulator protein (fur gene) of the fish pathogenic bacterium Photobacterium damselae ssp. piscicida Strain DI21 was partially amplified using degenerate oligonucleotides. Completesequencing of the fur gene and neighbouring DNA was accomplished by primer walking. An open reading frame of 447 bp, coding for a protein of 148 amino acids, and with high homology to previously described Fur proteins, was identified. Thefur gene of P. damselae ssp. damselae ATCC 35083 was subsequently amplified by PCR with specific primers and its sequence determined, showing a 99.3% similarity to the P. damselae ssp. piscicida fur gene. TheP. damselae fur gene was able to complement the fur mutation of Escherichia coli Strain H1681 in an iron-dependent fashion.

【 授权许可】

Unknown