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Table 1 Examples of gene ontology terms commonly associated with virulence identified in QPX transcriptome; F: molecular function, P: biological process

From: Characterization of the transcriptome and temperature-induced differential gene expression in QPX, the thraustochytrid parasite of hard clams

Gene Ontology term GO category GO level GO ID Seqs no.
Degradation of biopolymers hydrolase activity   
Hydrolase activity F 3 GO:0016787 777
  Nuclease activity F 5 GO:0004518 29
  Phosphatase activity F 6 GO:0016791 27
  Lipase activity F 5 GO:0016298 9
  Phospholipase activity F 6 GO:0004620 4
  Chitinase activity F 6 GO:0004568 3
  Glucosidase activity F 6 GO:0015926 2
  Amylase activity F 6 GO:0016160 1
  Galactosidase activity F 6 GO:0015925 1
Peptidase activity F 4 GO:0008233 203
  Metallopeptidase activity F 6 GO:0008237 47
  Serine-type peptidase activity F 5 GO:0008236 45
  Cysteine-type peptidase activity F 6 GO:0008234 35
  Metalloendopeptidase activity F 7 GO:0004222 30
  Aspartic-type endopeptidase activity F 7 GO:0004190 10
  Threonine-type peptidase activity F 6 GO:0070003 7
  Peptidase inhibitor activity F 4 GO:0030414 9
Cell homeostasis and protection against oxidative stress   
Antioxidant activity F 2 GO:0016209 17
  Peroxidase activity F 3 GO:0004601 10
  Superoxide metabolic process P 5 GO:0006801 5
  Catalase activity F 4 GO:0004096 4
  Thioredoxin-disulfide reductase activity F 3 GO:0004791 2
  Peroxiredoxin activity F 5 GO:0051920 2
  Thioredoxin peroxidase activity F 4 GO:0008379 1
  Glutathione peroxidase activity F 4 GO:0004602 1
Secretion and polysaccharide production   
  Polysaccharide metabolic process P 4 GO:0005976 21
  Polysaccharide biosynthetic process P 6 GO:0000271 13
  Lipopolysaccharide biosynthetic process P 6 GO:0009103 3
  Extracellular polysaccharide metabolic process P 6 GO:0046379 2
  Secretion P 5 GO:0046903 8
  Exocytosis P 6 GO:0006887 4
  Vesicle docking involved in exocytosis P 5 GO:0006904 3
  Vesicle-mediated transport P 5 GO:0016192 38
Adhesion and recognition   
  Cell adhesion P 3 GO:0007155 4
  Receptor activity F 4 GO:0004872 34
  G-protein coupled receptor protein signaling pathway P 5 GO:0007186 18
  Cell communication P 3 GO:0007154 13