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In this paper we present results on the vacuolar uptake mechanism for two flavone glucuronides present in rye mesophyll vacuoles. In contrast to barley flavone glucosides (Klein et al. (1996) J. Biol. Chem. 271, 29666-29671), the flavones luteolin 7-O-diglucuronyl-4'-O-glucuronide (R1) and luteolin
A directly energized vacuolar pump for glutathione (GS) conjugates has been described for several plant species. Since glucuronate conjugates also occur in plants, we addressed the question whether plant vacuoles take up the abiotic glucuronate conjugate estradiol 17-(beta-glucuronide) (E217G) via a
A total of 28 trials utilizing 2,262 steers and heifers were conducted to evaluate a sustained monensin2 ruminal delivery device (RDD) on the daily gain of grazing cattle. Five series of trials, with four to eight trials per series within a grazing season, were conducted to evaluate the daily gain
Within the framework of experiments related to the association between dietary fiber and breast cancer an in vitro test system was used to study the binding of estrogens to various fibers (e.g. cholestyramin, lignin and cellulose) and fiber sources (e.g. wheat bran, cereals, seeds and legumes).