Sinapsis alba

BJORKMAN, R., LONNERDAL, B., Studies on Myrosinases III Enzymatic properties of myrosinases from Sinapsis alba and Brassica napus seeds. Biochim. Biophy. Acta, 1973,327,121-131. 

Sterol esterase activity is located in the cell membrane of white mustard Sinapsis alba) seedlings esters of Ci4 C,8 fatty acids are most rapidly attacked [13]. 

Wilhelm C and Lenartz-Weiler I (1987) Energy transfer and pigment composition in three chlorophyll l)-containing lightharvesting complexes isolated from Mantoniella squamata (Prasinophyceaej, Chlorella fusca (Chlorophyceaej and Sinapsis alba. Photosynth Res 13 101-107... 

S albumins are a major group of storage proteins that include several tree nut and seed allergens. Two structurally similar major mustard seed allergens have been identihed as belonging to the 2S albumin group [4]. Sin al is described as a 14 kDa protein isolated from Sinapsis alba. Bra j 1 is described as a 16 kDa protein from Brassica juncea [2]. 

Malhotra, K., Kim, S. T., Batschauer, A., Dawut, L., and Sancar, A. (1995). Putative blue-light photoreceptors from Arabidopsis thaliana and Sinapsis alba with a high degree of sequence homology to DNA photolyase cofactors but lack DNA repair activity. Biochemistry 34, 6892-6899. 

Several plant aspartate kinases are activated by other amino acids such as valine, alanine, and isoleucine (Table HI). Activation does not appear to be a general effect of hydrophobic amino acids, since neither methionine nor leucine influence the activity of the maize enzyme yet, leucine has been reported to activate the enzyme isolated from Sinapsis alba and inhibit the enzyme from Helianthus annus. Interaction of these secondary effectors with the various aspartate kinases has not been fully explored, but several observations suggest a considerable degree of complexity. Alanine partially relieves threonine inhibition of the enzyme isolated from pea seedlings (Aames and Rognes, 1974). Lysine inhibition of maize aspartokinase is diminished in the presence of isoleucine, alanine, or valine (Bryan e/ al., 1970) and threonine, even though it does not inhibit the maize enzyme, counteracts... 

Mustard Sinapsis alba Brassicaceae temperate climate region... 

Bergfeld, R., Hong, Y.N., Kuhnl, T. and Schopfer, P. (1978) Formation of oleosomes (storage oil bodies) during embryogenesis and their breakdown during seedling development in cotyledons of Sinapsis alba L. Plants 143 297-303. 

Isol. from mustard seed (Sinapsis alba) and other crucifers. Acid base indicator (pH range 6.2-8.4 colour change colourless - yellow). Cryst. -h 5H2O. Mp 83-84° (hydrate), Mp 139° (anhyd.). [oc] -8.23° (H2O). 

Another interesting case is that of the seeds containing erucic acid in vAiich the waxes are stored internally (Brassica sinapsis, Craittoe abyssinica, Tropaeolum majus, Liitnanthes alba and Siimoidsia chinensis. 

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