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2. Phytophthora infestans has a plethora of phospholipase D enzymes including a subclass that has extracellular activity.

Author

Harold J G Meijer, Hussen Harrun Hassen, and Francine Govers

Subjects
Medicine, Science
Abstract

In eukaryotes phospholipase D (PLD) is involved in many cellular processes. Currently little is known about PLDs in oomycetes. Here we report that the oomycete plant pathogen Phytophthora infestans has a large repertoire of PLDs divided over six subfamilies: PXPH-PLD, PXTM-PLD, TM-PLD, PLD-likes, and type A and B sPLD-likes. Since the latter have signal peptides we developed a method using metabolically labelled phospholipids to monitor if P. infestans secretes PLD. In extracellular medium of ten P. infestans strains PLD activity was detected as demonstrated by the production of phosphatidic acid and the PLD specific marker phosphatidylalcohol.

Published
2011
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4. Phytophthora infestans has a plethora of phospholipase D enzymes including a subclass that has extracellular activity

Author

Francine Govers, Hussen Harrun Hassen, and Harold J. G. Meijer

Subjects
lcsh:Medicine, Plant Science, Phospholipase, Biochemistry, chemistry.chemical_compound, Molecular Cell Biology, Plant Genomics, lcsh:Science, Phospholipids, Phylogeny, Genetics, Oomycete, Multidisciplinary, biology, EPS-2, cytoskeleton, Genomics, Phosphatidic acid, Signaling Cascades, Phytophthora infestans, lipids (amino acids, peptides, and proteins), Phytophthora, Research Article, Signal Transduction, Signal peptide, phosphatidic-acid, Molecular Sequence Data, Plant Pathogens, Microbiology, Evolution, Molecular, Phospholipase D, Extracellular, Amino Acid Sequence, Biology, Microbial Metabolism, Sequence Homology, Amino Acid, lcsh:R, Computational Biology, Oryza, Comparative Genomics, Plant Pathology, biology.organism_classification, Laboratorium voor Phytopathologie, enzymes and coenzymes (carbohydrates), Metabolism, Genes, chemistry, Phospholipid Signaling Cascade, Laboratory of Phytopathology, lcsh:Q, activation, Extracellular Space, Sequence Alignment
Abstract

In eukaryotes phospholipase D (PLD) is involved in many cellular processes. Currently little is known about PLDs in oomycetes. Here we report that the oomycete plant pathogen Phytophthora infestans has a large repertoire of PLDs divided over six subfamilies: PXPH-PLD, PXTM-PLD, TM-PLD, PLD-likes, and type A and B sPLD-likes. Since the latter have signal peptides we developed a method using metabolically labelled phospholipids to monitor if P. infestans secretes PLD. In extracellular medium of ten P. infestans strains PLD activity was detected as demonstrated by the production of phosphatidic acid and the PLD specific marker phosphatidylalcohol.

Published
2011

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