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Recent studies have suggested that mitochondrial aldehyde dehydrogenase (aldehyde:NAD(P) + oxidoreductase, EC 1.2.1.3) (ALDH2) plays essential roles in pollen development in plants. Rice (Oryza sativa L.) ALDH2 is encoded by at least two ALDH2 genes, one of which (ALDH2a) was previously identified. In this study, to understand the roles of ALDH2 in rice, we isolated and characterized a cDNA...
Rab GTPases are key regulators of vesicular traffic in eukaryotic cells. Here we sought a global characterization and description of the Plasmodium falciparum family of Rab GTPases. We used a combination of bioinformatic analyses, experimental testing of predictions, structure modelling and phylogenetics. These analyses led to the identification of seven new parasite Rabs. Accordingly we estimate...
We have analysed the genomic structure and transcriptional activity of a 2.3-Mb genomic sequence in the juxtacentromeric region of human chromosome 21. Our work shows that this region comprises two different chromosome domains. The 1.5-Mb proximal domain: (i) is a patchwork of chromosome duplications; (ii) shares sequence similarity with several chromosomes; (iii) contains several gene fragments (truncated...
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