Molecular characterization of human immunodeficiency virus from Zaire: nucleotide sequence analysis identifies conserved and variable domains in the envelope gene

Gene ◽  
1987 ◽  
Vol 52 (1) ◽  
pp. 71-82 ◽  
Author(s):  
A. Srinivasan ◽  
R. Anand ◽  
D. York ◽  
P. Ranganathan ◽  
P. Feorino ◽  
...  
Keyword(s):  
Human Immunodeficiency Virus ◽  
Sequence Analysis ◽  
Nucleotide Sequence ◽  
Molecular Characterization ◽  
Nucleotide Sequence Analysis ◽  
Envelope Gene ◽  
Immunodeficiency Virus ◽  
Variable Domains

scholarly journals Isolation and molecular characterization of a urease-negative Actinobacillus pleuropneumoniae mutant

2017 ◽  
Vol 30 (1) ◽  
pp. 172-174 ◽  
Author(s):  
Hiroya Ito ◽  
Sayaka Takahashi ◽  
Tetsuo Asai ◽  
Yutaka Tamura ◽  
Koshi Yamamoto
Keyword(s):  
Sequence Analysis ◽  
Nucleotide Sequence ◽  
Gene Cluster ◽  
Molecular Characterization ◽  
Dna Sequence ◽  
Actinobacillus Pleuropneumoniae ◽  
Nucleotide Sequence Analysis ◽  
Urease Gene ◽  
Negative Mutant

An atypical urease-negative mutant of Actinobacillus pleuropneumoniae serovar 2 was isolated in Japan. Nucleotide sequence analysis of the urease gene cluster revealed that the insertion of a short DNA sequence into the cbiM gene was responsible for the urease-negative activity of the mutant. Veterinary diagnostic laboratories should be watchful for the presence of aberrant urease-negative A. pleuropneumoniae isolates.

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