Fuente: WIPO "tomato" The present disclosure provides methods and compositions for transporting a cargo RNA to the meristem of a plant. More specifically, the present disclosure provides engineered phloem mobility elements that are linked to an RNA cargo and increase transport of the cargo within a plant when provided to the plant, for example, via an Agrobacterium hairy root system. Also provided are methods of use, vectors, nucleic acids, kits, and resulting compositions.