One protein family quietly shapes plant growth and stress defense
Kour R, Sharma A, Mishra S, Mehrotra S, Srivastava V
Plant Signaling
The cotton fibers in your clothes, the pollen that makes your garden tomatoes fruit, and the drought toughness of your favorite shrubs may all trace back to this same small family of proteins working behind the scenes in plant cells.
Plants have a set of proteins called LIM proteins that act like multitaskers inside cells, helping build the internal skeleton of cells, controlling how large leaves and fruits grow, and guiding pollen and plant fibers as they form. This review gathers scattered research from many different plants into one clear story, showing how these proteins also help plants resist disease and cope with drought or heat. The authors also point out what scientists still don't know and suggest new tools, like gene editing and single-cell imaging, to figure it out.
Key Findings
LIM proteins regulate actin cytoskeleton organization, organ size, protein stability, and transcription-related processes across diverse plant species
Genome-wide and functional studies link LIM proteins to pollen development, fiber formation, and vascular tissue differentiation
Evidence for LIM protein roles in plant immunity and abiotic stress is mixed, with the review distinguishing expression-based from functional and mechanistic studies
chevron_right Technical Summary
A group of plant proteins called LIM proteins help control how big plant organs grow, how pollen and fibers develop, and how plants fight off disease and stress. Scientists have been studying these proteins separately across many plant species, and this review pulls all that knowledge together into one picture.
Abstract Preview
Original paper
Unravelling the Multifunctional Roles of Plant LIM Proteins in Growth, Development, and Stress Responses.
LIM (Lin-11, Isl-1, and Mec-3 domain) proteins are evolutionarily conserved proteins that regulate diverse cellular processes in plants, including actin cytoskeleton organization, organ size determ...
open_in_new Read full abstractAbstract copyright held by the original publisher.
Was this useful?
Want to tell us more? (optional)
Thanks for the note!
Something went wrong — please try again.
Too many submissions. Try again in an hour.
Targeted knockout of a host peroxisomal peptidase confers field resistance to...
The corn in your grocery store and the staple food keeping millions of East African families fed is under serious threat from a viral disease that can wipe o...
Crop-improvement refers to the systematic enhancement of plant varieties through selective breeding, genetic modification, and biotechnological approaches to develop cultivars with superior agronomic, nutritional, or environmental traits. This field is essential for addressing global food security,
arrow_forward Explore topic