How temperature secretly controls plant cells' decision to divide
Sundaravadivelu V, Raipuria RK, Ranjan A
Plant Signaling
The stretchy, leggy growth your seedlings show on a hot windowsill or the stalled growth after a cold snap traces back to temperature flipping switches inside individual root and shoot cells, not just the whole plant slowing down.
Every plant cell has to decide when to divide and grow, and this review explains how temperature acts as a signal that tells those cells what to do. Depending on whether it's warm or cold, Arabidopsis (a small mustard plant scientists use as a model) either speeds up growth in adaptive ways or puts the brakes on entirely, and the paper lays out what's known about the cellular gears behind that switch.
Key Findings
Temperature acts as a key environmental cue that reprograms cell-cycle activity in Arabidopsis roots and shoots
Depending on the temperature regime, plants show either adaptive growth responses or complete growth arrest
The review identifies a major knowledge gap: how temperature signaling cues are integrated with cell-cycle machinery remains poorly understood, and proposes multidisciplinary, spatiotemporal approaches to close it
chevron_right Technical Summary
Temperature doesn't just make plants grow faster or slower, it directly rewires the machinery that controls cell division, which is why Arabidopsis plants can either thrive or stall depending on how warm or cold it gets.
Abstract Preview
Original paper
Temperature regulation of cell cycle and growth dynamics in Arabidopsis.
The plant cell cycle is a highly coordinated and regulated process that integrates endogenous and environmental signals to control cell division, meristem maintenance, and cell fate specification f...
open_in_new Read full abstractAbstract copyright held by the original publisher.
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