Production of methane by methanogenic archaea, or methanogens, in the rumen of ruminants is a thermodynamic necessity for microbial conversion of feed to volatile fatty acids, which are essential ...

Gene silencing is a negative feedback mechanism that regulates gene expression to define cell fate and also regulates metabolism and gene expression throughout the life of an organism. In plants, gene ...

Departments of Mathematics, University of York, York YO10 5DD, U.K. Departments of Mathematics, University of York, York YO10 5DD, U.K. Department of Biology ...