African Journal of
Microbiology Research

  • Abbreviation: Afr. J. Microbiol. Res.
  • Language: English
  • ISSN: 1996-0808
  • DOI: 10.5897/AJMR
  • Start Year: 2007
  • Published Articles: 5233

Full Length Research Paper

Characterization of a new species of neisseria isolated from the liver of the gaoyou sheldrake

Wang Yanhong*, Wang xiaoquan, Liu wenbo, Yang yuefei, Zhu jie, Shao hui-jun, Zhang bin-bin, Han tao, and Liu Xiufan
Key Laboratory of Animal Infectious Diseases of Ministry of Agriculture, College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu 225009, China
Email: [email protected]

  •  Accepted: 31 October 2011
  •  Published: 30 November 2011

Abstract

 

A strain of Gram-negative diplococci was isolated from the liver of the Gaoyou Sheldrake. The 16S rRNA gene sequences of this organism was most similar to Bacterium ‘New Zealand A’ (GenBank accession no. AY721627), with 97% similarity to Neisseria animaloris in the Neisseria　genus. It showed a diplococci morphology by electron microscopy. The biochemical reactions of this strain resembles N. mucosa, and it grew on nutrient agar and acidified dextrose, maltose, sucrose and did not acidified lactose. It was positive for oxidase and nitrate reduction. These results suggest that this organism belongs to the genus Neisseria, for which the name Neisseria tadorna sp. nov. is proposed. The strain was sensitive to Fleroxacin, Amikacin, etc and resistant to spectinomycin, sulfamethoxazolum-trimethoprimum and nalidixic acid.

 

Key words: Gaoyou sheldrake, 16S rRNA, Neisseria.

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This article is published under the terms of the Creative Commons Attribution License 4.0

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