Single amino acid replacement in the haem domain.
Amino acid replacement: E189K. Nucleotide substitution: G?A.
G18826845A
G?A
E189K | Cat-PA
E189K
Catn1 mutants show a significant increase in DNA damage in adult midgut progenitor cells (esg-positive intestinal stem cells and enteroblasts), assessed by pS/TQ immunofluorescence, as compared to controls.
Catn1 heterozygotes show increased mortality when exposed to ethanol during development compared to controls.
Catn1 homozygous adult males exhibit a severe decrease in lifespan under normal or chronic hypoxic conditions, as compared to controls.
Reactive oxygen species generation and BrdU incorporation in the midguts of mutant flies is significantly higher than in wild-type flies.
The intestinal stem cell populations in the midgut of mutant flies is increased compared to controls. The number of enteroendocrine cells is increased by 2.2 fold, while the number of differentiated enterocytes with large nuclei is reduced by 0.7 fold in the mutant adult midgut.
Catalase activity reduced.
Exhibit gene dosage effect for catalase activity as a heterozygote. H2O2 hypersensitive phenotype.
CRM negative.
Catn1 has short lived phenotype, non-suppressible by GtpxlacZ
Catn1/Cat[+] is an enhancer of increased cell death | progressive phenotype of Hsap\GFAPUAS.cWa, Scer\GAL4repo
Catn1/Cat[+] is an enhancer of paralytic phenotype of Hsap\GFAPUAS.cWa, Scer\GAL4repo
Catn1/Cat[+] is an enhancer of lethal | recessive phenotype of Trxr1G0481
Catn1/Cat[+] is an enhancer of lamina phenotype of Hsap\GFAPUAS.cWa, Scer\GAL4repo
Catn1/Cat[+] is an enhancer of adult brain phenotype of Hsap\GFAPUAS.cWa, Scer\GAL4repo
Catn1/Cat[+] is an enhancer of neuron | cell non-autonomous phenotype of Hsap\GFAPUAS.cWa, Scer\GAL4repo
Catn1 is a suppressor of eye phenotype of Raf::tor12D.sev
Catn1 is a suppressor of photoreceptor cell R7 | ectopic phenotype of Raf::tor12D.sev
Catn1 is a suppressor of photoreceptor cell R7 phenotype of Raf::tor12D.sev
Catn1 is a suppressor of eye phenotype of sevS11.Tag:MYC
Catn1 is a suppressor of ommatidium phenotype of sevS11.Tag:MYC
Catn1 is a suppressor of photoreceptor cell R7 | ectopic phenotype of sevS11.Tag:MYC
Catn1 is a suppressor of photoreceptor neuron phenotype of sevS11.Tag:MYC
Catn1 is a non-suppressor of eye phenotype of Ras64BV12.sev
Catn1 is a non-suppressor of photoreceptor neuron phenotype of Ras64BV12.sev
A Catn1/+ background suppresses the rough eye phenotype observed when DrefScer\UAS.cSa is expressed in the developing eye under the control of Scer\GAL4GMR.PS.
Expression of either one or two copies of PHGPxT:Ecol\lacZ is unable to suppress the reduction in lifespan seen in Catn1 mutant flies.
A Catn1 heterozygous background significantly enhances Hsap\GFAPScer\UAS.cWa toxicity and increases the frequency of mechanically-stimulated seizures in these flies. An increase in cellular toxicity does not alter the number of inclusion bodies but does increase autophagy induction.
A Catn1 heterozygous background significantly enhances Hsap\GFAPR79H.Scer\UAS toxicity and increases the frequency of mechanically-stimulated seizures in these flies. An increase in cellular toxicity does not alter the number of inclusion bodies but does increase autophagy induction.
In Catn1 eggs of L.boulardi are melanotically encapsulated but, in contrast to the wild-type, survive.