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Table 2 Genes of algal or eubacterial origin in C. parvum

From: Phylogenomic evidence supports past endosymbiosis, intracellular and horizontal gene transfer in Cryptosporidium parvum

Putative gene name Accession Location Expression Indel Putative origin Putative function
Lactate dehydrogenase* AAG17668 VII EST + α-proteobacteria Oxidoreductase
Malate dehydrogenase* AAP87358 VII   + α-proteobacteria Oxidoreductase
Thymidine kinase AAS47699 V Assay + α/γ-proteobacteria Kinase; nucleotide metabolism
Hypothetical protein A† EAK88787 II    γ-proteobacteria Unknown
Inosine 5' monophosphate dehydrogenase AAL83208 VI Assay + ε-proteobacteria Purine nucleotide biosynthesis
Tryptophan synthetase β chain EAK87294 V    Proteobacteria Amino acid biosynthesis
1,4-α-glucan branching enzyme CAD98370 VI    Eubacteria Carbohydrate metabolism
1,4-α-glucan branching enzyme CAD98416 VI    Eubacteria Carbohydrate metabolism
Acetyltransferase EAK87438 VIII    Eubacteria Unknown
α-amylase EAK88222 V    Eubacteria Carbohydrate metabolism
DNA-3-methyladenine glycosylase EAK89739 VIII    Eubacteria DNA repair
RNA methyltransferase AY599068 II    Eubacteria RNA processing and modification
Peroxiredoxin AY599067 IV    Eubacteria Oxidoreductase; antioxidant
Glycerophosphodiester phosphodiesterase AY599066 IV    Eubacteria Phosphoric ester hydrolase
ATPase of the AAA class EAK88388 I    Eubacteria Post-translational modification
Alcohol dehydrogenase EAK89684 VIII    Eubacteria Energy production and conversion
Aminopeptidase N AAK53986 VIII    Eubacteria Peptide hydrolase
Glutamine synthetase CAD98273 VI   + Eubacteria Amino acid biosynthesis
Conserved hypothetical protein B CAD98502 VI    Eubacteria Unknown
Aspartate-ammonia ligase† EAK87293 V EST   Eubacteria Amino acid biosynthesis
Asparaginyl tRNA synthetase† EAK87485 VIII    Eubacteria Translation
Glutamine cyclotransferase† EAK88499 I    Eubacteria Amido transferase
Leucine aminopeptidase EAK88215 V RT-PCR + Cyanobacteria Hydrolase
Biopteridine transporter (BT-1) CAD98492 VI RT-PCR /EST + Cyanobacteria Biopterine transport
Hypothetical protein C† (possible Zn-dependent metalloprotease) EAK89015 III    Archaea Putative protease
Superoxide dismutase† AY599065 V    Eubacteria /archaea Oxidoreductase; antioxidant
Glucose-6-phosphate isomerase EAK88696 II RT-PCR + Algae/plants Carbohydrate metabolism
Uridine kinase/uracil phosphoribosyltransferase† AAS47700 VIII    Algae/plants Nucleotide salvage metabolism
Calcium-dependent protein kinases* † AAS47705 II RT-PCR   Algae/plants Kinase; cell signal transduction
  AAS47706 II     
  AAS47707 VII     
  1. *Genes that have been derived from a duplication following transfer; †transferred genes that have less support. GenBank accession numbers are as indicated. Locations are given as chromosome number. The expression status for each gene is indicated by method: EST, RT-PCR or assay. Only 567 EST sequences exist for C. parvum. A + in the indel colum indicates the presence of a shared insertion/deletion between the C. parvum sequence and other sequences from organisms identified in the putative origin column.
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Genome Biology

ISSN: 1474-760X

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