Tag: Auxin

Auxin helps maintain root stem cells and organize the root stem-cell niche through spatial hormone gradients, PIN-mediated transport, TIR1/AFB signaling, WOX5, PLETHORA proteins, and hormone crosstalk.

Auxin is a central regulator of root meristem development, controlling stem-cell maintenance, cell division, differentiation, root growth, and root architecture through coordinated transport, signaling, and hormone interactions.

Auxin is a central regulator of lateral root formation. Discover how auxin transport, PIN proteins, pericycle cells, TIR1/AFB receptors, AUX/IAA proteins, ARF transcription factors, and hormone crosstalk control root branching and development.

Auxin is a central regulator of root development, controlling root growth, meristem activity, lateral root formation, gravitropism, root architecture, and responses to environmental conditions through coordinated transport and signaling.

Auxin receptors allow plant cells to perceive the growth hormone auxin and translate hormone levels into developmental responses. Discover how TIR1 and AFB proteins, SCF ubiquitin ligases, AUX/IAA degradation, and ARF transcription factors regulate plant growth, root development, phototropism, organ formation, and environmental responses.

Auxin signaling allows plant cells to translate hormone concentration into changes in gene expression, growth, and development. Discover how TIR1/AFB receptors, AUX/IAA proteins, ARF transcription factors, and hormone crosstalk regulate roots, shoots, phototropism, organ formation, and plant architecture.

Auxin transport allows plants to control where growth occurs by establishing directional hormone flows through their tissues. Discover how PIN proteins, auxin gradients, and polar auxin transport regulate root development, shoot growth, organ formation, branching, phototropism, and plant architecture.

Auxin and phototropism are closely connected processes that allow plants to adjust their growth direction in response to directional light. Discover how phototropins, auxin transport, asymmetric auxin distribution, and differential cell expansion work together to control plant bending and directional growth.

Phototropism allows plants to adjust their growth direction in response to directional light. Discover how phototropins detect blue light and regulate auxin distribution, differential cell expansion, and plant growth toward or away from light.

Cryptochromes are blue-light photoreceptors that help plants regulate growth, photomorphogenesis, flowering, circadian rhythms, and environmental responses. Discover how cryptochrome signaling interacts with phytochromes, PIFs, hormones, and the plant circadian clock.

The plant circadian clock coordinates daily rhythms in growth, photosynthesis, metabolism, and development. Discover how phytochromes and other photoreceptors interact with the circadian clock, PIF transcription factors, plant hormones, temperature, and photoperiodic signals.

A scientific plant-signaling illustration showing a phytochrome receiving red and far-red light, interacting with PIF transcription factors, and connecting to auxin, gibberellin, and brassinosteroid pathways that regulate plant growth.

The red-to-far-red ratio is an important light signal that helps plants detect neighboring vegetation. Discover how phytochromes and PIF transcription factors translate changes in red and far-red light into changes in growth, shade avoidance, germination, flowering, and plant development.

Shade avoidance is a light-regulated plant response triggered by changes in red and far-red light caused by neighboring vegetation. Discover how phytochromes, PIF transcription factors, plant hormones, and other signaling pathways regulate elongation, branching, flowering, and plant architecture.

PIF transcription factors are key regulators of light-dependent plant development. Learn how PIFs interact with phytochromes, plant hormones, and other signaling pathways to control seedling growth, photomorphogenesis, shade avoidance, seed germination, and plant responses to changing environmental conditions.