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Gene Review:

CAT3 - catalase 3

Arabidopsis thaliana

Synonyms: ATCAT3, F5M15.5, F5M15_5, SEN2, SENESCENCE 2

Michael, T.P. et al., Frugoli, J.A. et al., Zhong, H.H. et al., McClung, C.R., Frugoli, J.A. et al.

McClung,

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High impact information on CAT3

Changing the CAT3 EE to a CBS changes the phase of peak transcription from the evening to the morning in continuous dark and in light-dark cycles, consistent with the specification of phase by the single base pair that distinguishes these elements [1].
We have defined a minimal Arabidopsis CATALASE 3 (CAT3) promoter sufficient to drive evening-specific circadian transcription of a LUCIFERASE reporter gene [1].
CAT1 and CAT3 map to chromosome 1, and CAT2 maps to chromosome 4 [2].
CAT1 and CAT3 map to chromosome 1, and CAT2 maps to chromosome 4 [3].
Intron losses from CAT1 and CAT3 followed these duplications [4].

Biological context of CAT3

We have characterized cDNA and genomic clones containing the Arabidopsis catalase gene CAT3, present as a single copy in the nuclear genome [5].

Other interactions of CAT3

All three mRNAs are highly expressed in bolts, and CAT2 and CAT3 are highly expressed in leaves [3].

Analytical, diagnostic and therapeutic context of CAT3

We tested the hypothesis that the EE and the CBS specify circadian phase by site-directed mutagenesis to convert the CAT3 EE into a CBS [1].

References

Phase-specific circadian clock regulatory elements in Arabidopsis. Michael, T.P., McClung, C.R. Plant Physiol. (2002) [Pubmed]
Regulation of catalases in Arabidopsis. McClung, C.R. Free Radic. Biol. Med. (1997) [Pubmed]
Catalase is encoded by a multigene family in Arabidopsis thaliana (L.) Heynh. Frugoli, J.A., Zhong, H.H., Nuccio, M.L., McCourt, P., McPeek, M.A., Thomas, T.L., McClung, C.R. Plant Physiol. (1996) [Pubmed]
Intron loss and gain during evolution of the catalase gene family in angiosperms. Frugoli, J.A., McPeek, M.A., Thomas, T.L., McClung, C.R. Genetics (1998) [Pubmed]
The circadian clock gates expression of two Arabidopsis catalase genes to distinct and opposite circadian phases. Zhong, H.H., McClung, C.R. Mol. Gen. Genet. (1996) [Pubmed]

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MGG_10061	Magnaporthe oryzae 70-15
NCU08791	Neurospora crassa OR74A
Os06g0727200	Oryza sativa Japonica Group

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