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Carnitine is an essential quaternary ammonium amino acid that occurs in the microbial, plant and animal kingdoms. The role and synthesis of this compound are very well documented in bacteria, fungi and mammals. On the contrary, although the presence of carnitine in plant tissue has been reported
The finding of acylcarnitines alongside free carnitine in Arabidopsis thaliana and other plant species, using tandem mass spectrometry coupled to liquid chromatography shows a link between carnitine and plant fatty acid metabolism. Moreover the occurrence of both medium- and long-chain
Carnitine exists in all living organisms where it plays diverse roles. In animals and yeast, it is implicated in lipid metabolism and is also associated with oxidative stress tolerance. In bacteria, it is a major player in osmotic stress tolerance. We investigate the carnitine function in plants and
The degradation of storage compounds just after germination is essential to plant development, providing energy and molecules necessary for the building of a photosynthetic apparatus and allowing autotrophic growth. We identified à bout de souffle (bou), a new Arabidopsis mutation. Mutant plants
In animals, organic cation/carnitine transporters (OCTs) are involved in homeostasis and distribution of various small endogenous amines (e.g. carnitine, choline) and detoxification of xenobiotics such as nicotine. Here, we describe the characterization of AtOCT1, an Arabidopsis protein that shares
Plant genomes generally contain two aldehyde dehydrogenase 10 genes (ALDH10), which encode NAD+-dependent enzymes. These oxidize various aminoaldehydes that are produced by the catabolism of amino acids and polyamines. ALDH10s are closely related to the animal and fungal trimethylaminobutyraldehyde
Coconut palm (Cocos nucifera,2n = 32), a member of genus Cocos and family Arecaceae (Palmaceae), is an important tropical fruit and oil crop. Currently, coconut palm is cultivated in 93 countries, including Central and South America, East and West Africa, Southeast Asia and the Pacific Islands, with
Formaldehyde (HCHO) is suggested to be detoxified through one-carbon (C1) metabolism or assimilated by the Calvin cycle in plants. To further understand the function of the Calvin cycle and C1 metabolism in HCHO metabolism in plants, HCHO elimination and metabolism by Arabidopsis thaliana in HCHO
OBJECTIVE
Accumulation of unfolded proteins caused by inefficient chaperone activity in the endoplasmic reticulum (ER) is termed 'ER stress', and it is perceived by a complex gene network. Induction of these genes triggers a response termed the 'unfolded protein response' (UPR). If a cell cannot
The sequence of a cloned Anopheles stephensi gene showed 72% inferred amino acid identity with Drosophila melanogaster Dox-A2 and 93% with its putative ortholog in Anopheles gambiae. Dox-A2 is the reported but herein disputed structural locus for diphenol oxidase A2. Database searches identified