Distinctive Expansion of Potential Virulence Genes in the Genome of the Oomycete Fish Pathogen Saprolegnia parasitica

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Distinctive Expansion of Potential Virulence Genes in the Genome of the Oomycete Fish Pathogen Saprolegnia parasitica

Jiang, Rays H. Y. (author)

de Bruijn, Irene (author)

Haas, Brian J. (author)

Belmonte, Rodrigo (author)

Loebach, Lars (author)

Christie, James (author)

van den Ackerveken, Guido (author)

Bottin, Arnaud (author)

Bulone, Vincent (author): KTH,Glykovetenskap

Diaz-Moreno, Sara M. (author): KTH,Glykovetenskap

Dumas, Bernard (author)

Fan, Lin (author)

Gaulin, Elodie (author)

Govers, Francine (author)

Grenville-Briggs, Laura J. (author): KTH,Glykovetenskap

Horner, Neil R. (author)

Levin, Joshua Z. (author)

Mammella, Marco (author)

Meijer, Harold J. G. (author)

Morris, Paul (author)

Nusbaum, Chad (author)

Oome, Stan (author)

Phillips, Andrew J. (author)

van Rooyen, David (author)

Rzeszutek, Elzbieta (author): KTH,Glykovetenskap

Saraiva, Marcia (author)

Secombes, Chris J. (author)

Seidl, Michael F. (author)

Snel, Berend (author)

Stassen, Joost H. M. (author)

Sykes, Sean (author)

Tripathy, Sucheta (author)

van den Berg, Herbert (author)

Vega-Arreguin, Julio C. (author)

Wawra, Stephan (author)

Young, Sarah K. (author)

Zeng, Qiandong (author)

Dieguez-Uribeondo, Javier (author)

Russ, Carsten (author)

Tyler, Brett M. (author)

van West, Pieter (author)

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(creator_code:org_t)

2013-06-13
2013
English.
In: PLOS Genetics. - : Public Library of Science (PLoS). - 1553-7390 .- 1553-7404. ; 9:6, s. e1003272-

Related links:: https://journals.plo...; show more...; https://urn.kb.se/re...; https://doi.org/10.1...; show less...

Journal article (peer-reviewed)

Abstract Subject headings

Oomycetes in the class Saprolegniomycetidae of the Eukaryotic kingdom Stramenopila have evolved as severe pathogens of amphibians, crustaceans, fish and insects, resulting in major losses in aquaculture and damage to aquatic ecosystems. We have sequenced the 63 Mb genome of the fresh water fish pathogen, Saprolegnia parasitica. Approximately 1/3 of the assembled genome exhibits loss of heterozygosity, indicating an efficient mechanism for revealing new variation. Comparison of S. parasitica with plant pathogenic oomycetes suggests that during evolution the host cellular environment has driven distinct patterns of gene expansion and loss in the genomes of plant and animal pathogens. S. parasitica possesses one of the largest repertoires of proteases (270) among eukaryotes that are deployed in waves at different points during infection as determined from RNA-Seq data. In contrast, despite being capable of living saprotrophically, parasitism has led to loss of inorganic nitrogen and sulfur assimilation pathways, strikingly similar to losses in obligate plant pathogenic oomycetes and fungi. The large gene families that are hallmarks of plant pathogenic oomycetes such as Phytophthora appear to be lacking in S. parasitica, including those encoding RXLR effectors, Crinkler's, and Necrosis Inducing-Like Proteins (NLP). S. parasitica also has a very large kinome of 543 kinases, 10% of which is induced upon infection. Moreover, S. parasitica encodes several genes typical of animals or animal-pathogens and lacking from other oomycetes, including disintegrins and galactose-binding lectins, whose expression and evolutionary origins implicate horizontal gene transfer in the evolution of animal pathogenesis in S. parasitica.

Subject headings

NATURVETENSKAP -- Biologi -- Genetik (hsv//swe)
NATURAL SCIENCES -- Biological Sciences -- Genetics (hsv//eng)

Keyword

Expressed Sequence Tags
Anthocidaris-Crassispina Eggs
Fully Automated Process
Phytophthora-Sojae
Aphanomyces-Euteiches
Plant-Pathogens
Infestans
Cells
Evolution
Reveals

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art (subject category)

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By the author/editor: Jiang, Rays H. Y ...; de Bruijn, Irene; Haas, Brian J.; Belmonte, Rodrig ...; Loebach, Lars; Christie, James; show more...; van den Ackervek ...; Bottin, Arnaud; Bulone, Vincent; Diaz-Moreno, Sar ...; Dumas, Bernard; Fan, Lin; Gaulin, Elodie; Govers, Francine; Grenville-Briggs ...; Horner, Neil R.; Levin, Joshua Z.; Mammella, Marco; Meijer, Harold J ...; Morris, Paul; Nusbaum, Chad; Oome, Stan; Phillips, Andrew ...; van Rooyen, Davi ...; Rzeszutek, Elzbi ...; Saraiva, Marcia; Secombes, Chris ...; Seidl, Michael F ...; Snel, Berend; Stassen, Joost H ...; Sykes, Sean; Tripathy, Suchet ...; van den Berg, He ...; Vega-Arreguin, J ...; Wawra, Stephan; Young, Sarah K.; Zeng, Qiandong; Dieguez-Uribeond ...; Russ, Carsten; Tyler, Brett M.; van West, Pieter; show less...

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NATURAL SCIENCES: NATURAL SCIENCES; and Biological Scien ...; and Genetics

Articles in the publication: PLOS Genetics

By the university: Royal Institute of Technology

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