Early Flowering (ELF) Gene Integrates Vegetative Growth, Flowering Regulation, and Reproductive Development in Arabidopsis thaliana.
Jan R, Iqbal S, Ali S, Almalki MA, Alfredan M
Crispr
Gardeners who've wrestled with crops that bolt too early or fruit trees that refuse to set seed are looking at exactly the kind of genetic lever this gene represents — and understanding it in plants like thale cress is how breeders eventually dial in flowering time and yield in crops you actually grow.
Researchers studied a gene that acts like a conductor for a plant's entire life cycle — from sprouting as a seedling all the way to making seeds. When they cranked the gene up, plants grew bigger roots, leafed out faster, flowered sooner, and produced more seeds. When they switched the gene off using a gene-editing tool, plants were stunted, flowered late, and barely produced any seeds at all. The gene works by turning on a handful of other genes that tell the plant 'it's time to flower.'
Key Findings
Plants with the gene turned up grew roots 75–85% longer than normal and flowered 21% earlier than wild-type plants.
Plants with the gene knocked out showed a 70% drop in seeds per seed pod and produced malformed flowers with poor pollen germination.
The ELF gene controls flowering by activating known flowering-pathway genes including FLC, SOC1, AP1, and LFY.
chevron_right Technical Summary
Scientists discovered a gene in a model flowering plant that acts as a master switch controlling when the plant flowers, how fast it grows, and how many seeds it produces. Turning the gene up made plants grow faster and flower earlier; knocking it out stunted growth and nearly eliminated seed production.
Abstract Preview
Early flowering-related factors play pivotal roles in coordinating plant growth and reproductive development. In this study, we investigated the biological function of early flowering gene (ELF) in...
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Arabidopsis thaliana, the thale cress, mouse-ear cress or arabidopsis, is a small plant from the mustard family (Brassicaceae), native to Eurasia and Africa. Commonly found along the shoulders of roads and in disturbed land, it is generally considered a weed.