Highlights•Pi stress restricts primary root growth through dual regulatory pathways.•Vacuolar
transporters regulate cytosolic Pi homeostasis.•InsP interacts with SPX domain to regulate Pi …

Contents Summary 29 I. Introduction 29 II. Phloem as a conduit for macromolecules 30 III.
Classes of phloem transported RNAs and their function 32 IV. Mode of RNA transport 35 V …

Plants have evolved dynamic and complex networks of cell-to-cell communication to
coordinate and adapt their growth and development to a variety of environmental changes …

RNA interference is a biological process whereby small RNAs inhibit gene expression
through neutralizing targeted mRNA molecules. This process is conserved in eukaryotes …

Non-coding RNAs (ncRNAs) have emerged as critical components of gene regulatory
networks across a plethora of plant species. In particular, the 20–30 nucleotide small …

Depletion of finite global rock phosphate (P i) reserves will impose major limitations on
future agricultural productivity and food security. Hence, modern breeding programmes seek …

The plant vascular system plays a central role in coordinating physiological and
developmental events through delivery of both essential nutrients and long-distance …

Grafting is widely used in fruit, vegetable, and flower propagation to improve biotic and
abiotic stress resistance, yield, and quality. At present, the systemic changes caused by …

Plant viruses cannot exploit any of the membrane fusion-based routes of entry described for
animal viruses. In addition, one of the distinctive structures of plant cells, the cell wall, acts as …

Various species of small RNAs (sRNAs), notably microRNAs and small interfering RNAs
(siRNAs), have been characterized as the major effectors of RNA interference in plants …