scholarly journals Genome Sequence of the Fish Pathogen Flavobacterium columnare ATCC 49512

2012 ◽  
Vol 194 (10) ◽  
pp. 2763-2764 ◽  
Author(s):  
H. C. Tekedar ◽  
A. Karsi ◽  
A. F. Gillaspy ◽  
D. W. Dyer ◽  
N. R. Benton ◽  
...  
2019 ◽  
Vol 8 (49) ◽  
Author(s):  
Janne J. Ravantti ◽  
Elina Laanto ◽  
Petri Papponen ◽  
Lotta-Riina Sundberg

We report a complete genome sequence of a Finnish isolate of the fish pathogen Flavobacterium columnare. Using PacBio RS II sequencing technology, the complete circular genome of F. columnare strain B185 with 3,261,404 bp was obtained.


2018 ◽  
Vol 6 (14) ◽  
Author(s):  
Alexis Criscuolo ◽  
Olivier Chesneau ◽  
Dominique Clermont ◽  
Chantal Bizet

ABSTRACT Flavobacterium columnare strain PH-97028 (=CIP 109753) is a genomovar III reference strain that was isolated from a diseased Ayu fish in Japan. We report here the analysis of the first available genomovar III sequence of this species to aid in identification, epidemiological tracking, and virulence studies.


2016 ◽  
Vol 4 (3) ◽  
Author(s):  
Salih Kumru ◽  
Hasan C. Tekedar ◽  
Geoffrey C. Waldbieser ◽  
Attila Karsi ◽  
Mark L. Lawrence

Flavobacterium columnare causes columnaris disease in fresh and brackish water worldwide. F. columnare strain 94-081 was isolated from a diseased channel catfish in 1994; its genome sequence is the first completed genomovar II sequence.


2017 ◽  
Vol 5 (15) ◽  
Author(s):  
Jason P. Evenhuis ◽  
Scott E. LaPatra ◽  
Joerg Graf

ABSTRACT We announce here the draft genome assembly of Flavobacterium columnare CSF-298-10, a strain isolated from an outbreak of columnaris disease at a commercial trout farm in Hagerman Valley, Idaho, USA. The complete genome consists of 13 contigs totaling 3,284,579 bp, with an average G+C content of 31.5% and 2,933 predicted coding genes.


2020 ◽  
Author(s):  
Katja Pulkkinen ◽  
Tarmo Ketola ◽  
Jouni Laakso ◽  
Johanna Mappes ◽  
Lotta-Riina Sundberg

SummaryPhenotypic variation allows adaptation of opportunistic pathogens to variable conditions in the outside-host environment with strong effects on their epidemiology and pathogenicity in hosts. Here we found that the isolates of an opportunistic fish pathogen Flavobacterium columnare from fish farming environment had higher phenotypic variation between two morphotypes in growth, as compared to the isolates from the natural water environment. The rough morphotypes had higher growth rate than the rhizoid morphotypes especially in the higher resource concentrations and in the higher temperature, but only if the isolate was originating from the fish farms. Rhizoid morphotype was more virulent than the rough type regardless of their origin. However, the virulence of the rough type increased sharply with the size of the fish, and the bacterial isolates from the gills of diseased fish were rhizoid type, indicating a reversal of the rough morphotype into rhizoid in contact with the fish. The high growth rate of the rough morphotype combined with the morphotype reversibility could increase the probability of columnaris epidemics at fish farms. Our findings suggest that intensive farming imposes different selection pressures on bacterial survival in the outside-host environment and its transmission compared to the natural water environment.


2017 ◽  
Vol 8 ◽  
Author(s):  
David Pérez-Pascual ◽  
Aurelie Lunazzi ◽  
Ghislaine Magdelenat ◽  
Zoe Rouy ◽  
Alain Roulet ◽  
...  

2019 ◽  
Vol 8 (48) ◽  
Author(s):  
Sou Miyake ◽  
Melissa Soh ◽  
Yichen Ding ◽  
Henning Seedorf

Here, the complete genome sequence of sponge-associated Tenacibaculum mesophilum DSM 13764T is presented. T. mesophilum is a close relative of the fish pathogen T. maritimum, which causes significant fish disease outbreaks in aquaculture facilities. The T. mesophilum genome sequence will serve as an important resource for comparative genomics approaches.


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