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Carbon-14 - Europe PMC

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Last Updated: 10 January 2023

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Insights into the Fate of the Novel Pesticide Vanisulfane from Animal Manure in Plant-Soil Systems: Assisted by Carbon-14 Labeling.

Few studies have looked at pesticide infiltration after applying pesticide-contaminated manure to land. After introduction, vanisulfane and its metabolites became mostly bound residues, and toxicity was observed in BR release at 35 d. Notably, manure contaminated with vanisulfane and its metabolites tended to higher plant growth and phytotoxicity than manure treated with only the parent. This report provides valuable details on pesticide contamination from manure and emphasizes the importance of considering pesticide metabolites when assessing environmental risks.

Source link: https://europepmc.org/article/MED/36621945


One-carbon metabolite supplementation to heifers for the first 14 days of the estrous cycle alters the plasma and hepatic one-carbon metabolite pool and methionine-folate cycle enzyme transcript abundance in a dose-dependent manner.

The aim of this research was to determine the dose of folate and vitamin B12 in beef heifers fed rumen-covered methionine and choline, which is required to maintain elevated B12 levels and intermediates of the methionine-folate cycle in circulation. Serum B12 levels in the 0. 5X, 1X, and 2X were higher in the 0. 5X, 1X, and 2X, as compared to 0XNEG and 0XPOS on both days after treatment commencement. Serum folate concentrations were elevated for the 2X treatment in d 5, 7, 9, and 9 percent of the cycle, relative to all other medications compared to all other drugs. The 2X treatment's concentrations of hepatic folate cycle intermediates were always higher than those of the 0XNEG and 0XPOS heifers. In the 0. 5X and 2X treatments, the SAR/METHylmethionine ratio was higher in the 0. 5X and 2X heifers and the S-adenosylhomocysteine treatment was reduced in comparison to the 0XNEG, 0XPOS, and 2X heifers, with a decrease in the 0. 5X and 2X heifers and the S-adenosylomethionine heifers and the heifers and 2X heifers and the heifers and the heifer and 2X heifers and the heifers and 2X heifers and the heifers and the heifers and 2XNEG, heifers and the heifers, heifers and the heifers and the heifers and the S-adenosylhomosylmethionine heifers and S-adenosylhomosylmethionine heifers and In comparison to the 0XNEG, 0XPOS, and 2X heifers, the hepatic transcript abundance of MAT2A and MAT2B was reduced in the 0. 5X heifers. To maintain elevated serum concentrations of B12 and folate, beef heifers fed rumen shielded methionine and choline, heifers fed rumen protected methionine and choline need 20 mg B12 and 320 mg folate every week, according to these results.

Source link: https://europepmc.org/article/MED/36566452

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions