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In vitro passages impact on virulence of Saprolegnia parasitica to Atlantic salmon, Salmo salar L. parr.

Songe MM, Thoen E, Evensen Ø, Skaar I - J. Fish Dis. (2013)

Bottom Line: The effect of serial in vitro subculturing on three pathogenic strains of Saprolegnia parasitica was investigated.Two of the strains declined in virulence after 15 successive in vitro subcultures, whereas one did not.It reveals that some strains degenerate more rapidly than others when subjected to successive in vitro subculturing on glucose-yeast extract.

View Article: PubMed Central - PubMed

Affiliation: Norwegian Veterinary Institute, Oslo, Norway.

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Chlamydospores of 5337AP at: (a) X4, (b) X10 and (c) X20 in a 4-week-old culture. Note the absence of reproductive structures.
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fig10: Chlamydospores of 5337AP at: (a) X4, (b) X10 and (c) X20 in a 4-week-old culture. Note the absence of reproductive structures.

Mentions: Finally, production of enlarged chlamydospores was abundant in all the cultures at the different passages (Fig. 10) and no differences were seen.


In vitro passages impact on virulence of Saprolegnia parasitica to Atlantic salmon, Salmo salar L. parr.

Songe MM, Thoen E, Evensen Ø, Skaar I - J. Fish Dis. (2013)

Chlamydospores of 5337AP at: (a) X4, (b) X10 and (c) X20 in a 4-week-old culture. Note the absence of reproductive structures.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4263310&req=5

fig10: Chlamydospores of 5337AP at: (a) X4, (b) X10 and (c) X20 in a 4-week-old culture. Note the absence of reproductive structures.
Mentions: Finally, production of enlarged chlamydospores was abundant in all the cultures at the different passages (Fig. 10) and no differences were seen.

Bottom Line: The effect of serial in vitro subculturing on three pathogenic strains of Saprolegnia parasitica was investigated.Two of the strains declined in virulence after 15 successive in vitro subcultures, whereas one did not.It reveals that some strains degenerate more rapidly than others when subjected to successive in vitro subculturing on glucose-yeast extract.

View Article: PubMed Central - PubMed

Affiliation: Norwegian Veterinary Institute, Oslo, Norway.

Show MeSH
Related in: MedlinePlus