nucleotide sequence only in certain host cells (e.g., tissue-specific regulatory sequences) or inducible promoters (e.g., induced in response to abiotic factors such as environmental conditions, heat, drought, nutrient status or physiological status of the cell or biotic such as pathogen ...
the cells of the plant, it is possible to design a plant wherein, when all of the inserted nucleic acids are expressed, the result is the large scale and inexpensive production of valuable proteins or other products in a particular plant tissue or at a particular level of available phosphate...