5.1.1.4: proline racemase
This is an abbreviated version!
For detailed information about proline racemase, go to the full flat file.
Word Map on EC 5.1.1.4
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5.1.1.4
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trypanosoma
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cruzi
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d-proline
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chagas
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oversaturated
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diaminopimelate
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2-epimerase
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pyrrole-2-carboxylic
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stickland
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medicine
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abeles
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trypanosomosis
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stereoinversion
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pracs
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lumazine
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drug development
- 5.1.1.4
- trypanosoma
- cruzi
- d-proline
- chagas
-
oversaturated
- diaminopimelate
-
2-epimerase
-
pyrrole-2-carboxylic
-
stickland
- medicine
-
abeles
-
trypanosomosis
-
stereoinversion
-
pracs
- lumazine
- drug development
Reaction
Synonyms
CdPRAC, CdProR, FaProR, HjProR, PA45-A, PA45-B, PRAC, PRAC1, PrdF, proline racemase, proline racemase A, proline racemase B, proline racemase/hydroxyproline epimerase, ProR, ProR/HypE, Racemase, proline, TcPA45, TcPRAC, TcPRACA, TcPRACB, Tgr.146.1080, TryPRAC, TvHYP1, TvPRAC
ECTree
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General Information
General Information on EC 5.1.1.4 - proline racemase
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evolution
metabolism
catalyzes step 8 in the ornithine fermentation pathway
physiological function
phylogenetic and syntenic data support a single horizontal transfer to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
evolution
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phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
evolution
phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
evolution
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phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
evolution
phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
evolution
phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
evolution
phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
evolution
phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
evolution
phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
evolution
phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
evolution
phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
evolution
phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
evolution
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phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
evolution
Trypanosoma conorhini TCC025
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phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
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evolution
Trypanosoma dionisii TCC211
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phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
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evolution
Trypanosoma sp. TCC878 RCF-2014
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phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
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evolution
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phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
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evolution
Trypanosoma sp. TCC1825 / RCF-2014
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phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
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evolution
Trypanosoma lewisi TCC034
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phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
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evolution
Trypanosoma erneyi TCC1946
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phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
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evolution
Trypanosoma serpentis TCC1052
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phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
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evolution
Trypanosoma grayi ANR4
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phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
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evolution
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phylogenetic and syntenic data support a single horizontal transference to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
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evolution
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phylogenetic and syntenic data support a single horizontal transfer to a Trypanosoma ancestor of a prokaryotic proline racemase implicated in parasite evasion from host defences. TryPRAC homologues as single copy genes per haploid genome in 12 of 15 Trypanosoma species, including Trypanosoma cruzi and Trypanosoma cruzi marinkellei, Trypanosoma dionisii, Trypanosoma erneyi, Trypanosoma rangeli, Trypanosoma conorhini and Trypanosoma lewisi, all parasites of mammals. Polymorphisms in TcPRAC genes match Trypanosoma cruzi genotypes: TcI-TcIV and Tcbat have unique genes, while the hybrids TcV and TcVI contain TcPRACA and TcPRACB from parental TcII and TcIII, respectively. PRAC homologues are identified in trypanosomes from anurans, snakes, crocodiles, lizards, and birds. Most trypanosomes have intact PRAC genes. Trypanosoma rangeli possesses only pseudogenes, maybe in the process of being lost. Trypanosoma brucei, Trypanosoma congolense and their allied species, except the more distantly related Trypanosoma vivax, have completely lost PRAC genes. The genealogy of TryPRAC homologs supports an evolutionary history congruent with the Trypanosoma phylogeny
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enzyme is a T-cell-independent B-cell mitogen, enzyme displays mitogenic activity towards splenic cells from euthymic Swiss mice, since addition of 0.1 mg/ml of recombinant protein promotes a 13fold increase of thymidine incorporation when compared with untreated cells, mitogenic activity of recombinant enzyme seems to be dependent on the active enzyme, since inhibition with 10 mM pyrrole-2-carboxylic acid prior to its incubation with splenocytes specifically decreases proliferation by 44%, enzyme triggers high levels of B-cell activation, terminal differentiation and antibody secretion
physiological function
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proline racemase is an effective mitogen for B cells, thus contributing to the parasites immune evasion and persistence in the human host
physiological function
proline racemase participates in mechanisms of virulence acquisition
physiological function
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proline racemase is a T-cell-independent B-cell mitogen, stimulation of murine splenocytes with recombinant proline racemase C induces B-cell proliferation, antibody secretion, interleukin-10 production, and upregulation of CD69 and CD86 on B cells
physiological function
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inactivation of proline racemase PrdF by insertional mutagenesis does not affect early logarithmic growth but only attenuates growth in the mid- and late logarithmic phases. There is no effect of inactivation on virulence in vivo
physiological function
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proline racemase is a T-cell-independent B-cell mitogen, stimulation of murine splenocytes with recombinant proline racemase C induces B-cell proliferation, antibody secretion, interleukin-10 production, and upregulation of CD69 and CD86 on B cells
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