Gene Details:

• MSU gene ID: LOC_Os02g49720
• RAPdb gene ID: Os02g0730000
• Gene Symbol: ALDH2a OsALDH2B5
• Genome: MSU7 ,  IRGSP-1.0
• Species: Oryza sativa

Functional Descriptions:

• cv Nipponbare), we characterized a cDNA clone encoding mitochondrial ALDH from rice (ALDH2a).
• Analysis of sub-cellular localization of ALDH2a protein using green fluorescent protein and an in vitro ALDH assay using protein extracts from Escherichia coli cells that overexpressed ALDH2a indicated that ALDH2a functions in the oxidation of acetaldehyde in mitochondria.
• Northern blot and immunoblot analyses revealed that ALDH2b was constitutively present in all the organs examined, whereas ALDH2a was expressed in leaves of dark-grown seedlings and panicles.
• We found that the ALDH2a mRNA was present at high levels in leaves of dark-grown seedlings, mature leaf sheaths, and panicles.
• Interestingly, re-aerated rice plants showed an intense mitochondrial ALDH2a protein induction, even though ALDH2a mRNA was submergence induced and declined upon re-aeration.
• It is interesting that expression of the rice ALDH2a gene, unlike the expression of the tobacco (Nicotiana tabacum) ALDH2a gene, was induced in rice seedlings by submergence.
• A possible involvement of ALDH2a in the submergence tolerance of rice is discussed.
• We suggest that the rice ALDH2a and ALDH2b genes are orthologues of maize mitochondrial ALDH genes, rf2b and rf2a, respectively.
• Organ-specific expressions and chromosomal locations of two mitochondrial aldehyde dehydrogenase genes from rice (Oryza sativa L.), ALDH2a and ALDH2b.

Function-related keywords:

• mitochondria ,  seedling ,  sheath ,  submergence ,  panicle ,  leaf

Literature:

• Induction of mitochondrial aldehyde dehydrogenase by submergence facilitates oxidation of acetaldehyde during re-aeration in rice .  DOI:  10.1016/s0014-5793(03)00631-8 ;  PMID:  12832071
• Organ-specific expressions and chromosomal locations of two mitochondrial aldehyde dehydrogenase genes from rice (Oryza sativa L.), ALDH2a and ALDH2b .  DOI:  10.1016/s0378-1119(03)00383-4 ;  PMID:  12609740
• Modeling-dependent protein characterization of the rice aldehyde dehydrogenase (ALDH) superfamily reveals distinct functional and structural features .  DOI:  10.1371/journal.pone.0011516 ;  PMID:  20634950
• Expression of a gene encoding mitochondrial aldehyde dehydrogenase in rice increases under submerged conditions .  DOI:  10.1104/pp.124.2.587 ;  PMID:  11027709

Related News:

Gene Resources:

• NCBI ID: AB030939
• UniProt accessions:

Sequences: