Lipoxygenase potato

Sekiya, J. Aoshima, H., Kajiwara, T., Togo, T. and Hatanaka, A. (1977). Purification and some properties of potato tuber lipoxygenase and detection of linoleic acid radical in the enzyme reaction. Agric. Biol. Chem. 41, 827-832. 

Kolomiets MV, Hannapel DJ, Chen H, Tymeson M and Gladon RJ. 2001. Lipoxygenase is involved in the control of potato tuber development. Plant Cell 13 613-626. 

Lopez-Nicolas JM, Bru-Martinez R and Garcia-Carmona F. 2000. Effect of calcium on the oxidation of linoleic acid by potato (Solarium tuberosum var. Desiree) tuber 5-lipoxygenase. J Agric Food Chem 48(2) 292-296. 

Royo, J., Vancanneyt, G., Perez, A. G., Sanz, C., Stormann, K., Rosahl, S., Sanchez-Serrano, J. J. (1996). Char-aeterization of three potato lipoxygenases with distinct enzymatic activities and different organ-specific and wound-regulated expression patterns. J. Biol. Chem., 271, 21012-21019. 

Galliard and Phillips 144) have found that homogenates of potato tubers contain an enzyme which converts the primary lipoxygenase product of linoleic acid, the 9-D-hydroperoxyoctadecadienoic acid, into an 18-carbon ether (Figure 3). Here too, cleavage of the Gig chain must occur. The formation and role of possible cleavage products from linoleic and linolenic acids in aroma and physiology of plant tissues have already been mentioned. 

Lipoxygenase Bean, potato, tomato, maize, strawberry, canola, fish, meat Oxidation of polyunsaturated fatty acids to hydroperoxides and further into aldehydes, acids, ketones, etc. 

Galliard, T. and Phillips, D.R., Lipoxygenase from potato tubers, Biochem. J., 124, 431, 1971. 

Enzymes other than peroxidase and catalase have been used less frequently to monitor adequacy of heat treatment. Some enzymes that have been used include polyphenol oxidase for off-color development in fruits, polygalacturonase for loss of consistency in tomatoes, potatoes and eggplants and lipoxygenase and lipase for... 

Using the P. Infestans-potato tuber system outlined above, ellcltor-Induced accumulation of phytoalexlns has been Inhibited by sallcyl-hydroxamlc acid and dlsulflram (103,109,110) these compounds Inhibit both cyanide-resistant respiration and lipoxygenase enzymes, these latter acting specifically on polyunsaturated fatty acids with a cls-1,4-pentadlene system to form hydroperoxides (111). It has been speculated without further data that lipoxygenase activity may be Involved In eliciting the hypersensitive response In potato tubers... 

HETE and 5-HPETE can also be produced in incubations of arachidonic acid with the lipoxygenase in potato and tomato [213,214]. 

Potassium decanoate, 359 Potassium permanganate, 274 Potassium soaps, 328,359,361 Potato lipoxygenase, 458 Poultry adipose tissue, 556 Pre-pressing, 186 Premier jus, 98,124 see also Beef tallow Primary alcohol esters, 143 Primary alcohols, 146 Prins reaction, 476 Pristane, occurrence, 138,148 Pristanic acid, 16 Process control, 217 Procetofen, 540 Production control, 217 Production of oils and fats fish oils, 130 butter, 219... 

Lipoxygenases from different sources differ in their cooxidation activity. Enzymes from peas and beans (Phaseolus sp.) and the LOX-2 from soybean have a high cooxidation potential potato LOX is intermediate, whereas wheat, flax, and soybean LOX-1 have poor cooxidation activity (Grosch et al., 1976, 1977). Thus, the carotene oxidase activity of soybeans is associated with the LOX-2 isoenzyme, and this explains the observed selective loss of carotenoid bleaching activity during the purification and heat treatment of the classic (i.e., LOX-1) enzyme from soybean (Kies et al., 1969). 

LOX name for a lipoxygenase - names have been kept as much as possible in line with the names used for the LOXs from a species. For potato tuber LOX,a large number of highly similar sequences are available which have been numbered I a-1 g. Gene genomic sequences available in the EMBL nucleotide sequence database (release 49.0). DNA cDNA sequences available in the EMBL nucleotide sequence database (release 49.0) SWISS protein sequences available in the SWISSPROT protein sequence database (release 34.0). PIR protein sequences in the PIR protein sequence database (release 50,0). Remarks between brackets length In amino acid residues of partial sequences. Includes further names of specific clones, alternative names for a LOX used by the author. 

Hydroperoxides from lipoxygenase isoenzymes in peas, potatoes and beans produce similar aldehyde mixtures from linoleic and linolenic acids. Peanut lipoxygenase forms pentane and hexanal. Under anaerobic conditions,... 

Grosch, W., Laskawy, G. and Weber, F. Formation of volatile carbonyl compounds and cooxidation of j8-carotene by lipoxygenase from wheat, potato, flax, and beans. J. Agric. Food Chem. 24, 456-459 (1976). 

Battu. S., Cook-Moreau, J.,and Beneytout, J. L., (1994) Stabilization of potato tuber lipoxygenase on talc, Biochim. Biphys. Acta 1211, 270-276. 

Linoleic acid 9-hydroperoxide formed by lipoxygenase in potato is changed enzymatically by elimination of water into a fatty acid with a dieny 1-ether structure ... 

Fatty acid hydroperoxides generated by plant lipoxygenases from linoleic and linolenic acids are known to serve as substrates for a divinyl ether synthase which produces divinyl ether fatty acids. Up to date divinyl ethers were detected only within the plant kingdom. The discovery of that class of compounds dates back to 1972, when the structures of two ether C18 fatty acids generated by homogenates of the potato tuber wee described. These compounds, named colneleic acid (from linoleic acid) and colnelenicacid (from linolenic acid), could be also produced in potato leaves and tomato roots by rearrangement of 9-hydroperoxides. 

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