Publications by authors named "Guadalupe L Fernandez-Milmanda"
The long noncoding RNA (lncRNA) AUXIN-REGULATED PROMOTER LOOP (APOLO) recognizes a subset of target loci across the Arabidopsis thaliana genome by forming RNA-DNA hybrids (R-loops) and modulating local three-dimensional chromatin conformation. Here, we show that APOLO regulates shade avoidance syndrome by dynamically modulating expression of key factors. In response to far-red (FR) light, expression of APOLO anti-correlates with that of its target BRANCHED1 (BRC1), a master regulator of shoot branching in Arabidopsis thaliana.
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- Major advancements in understanding how plants respond to shade have been achieved, particularly focusing on the PIF-auxin pathway triggered by low red:far-red light ratios.
- Research shows that this shade-avoidance response isn't just tied to one plant stage or species, as various light wavelengths and plant hormones also play significant roles.
- Recent findings underline the impact of different hormones like gibberellins, jasmonic acid, and others in regulating plant growth and defense mechanisms in response to light cues from the canopy.
Growth responses to competition and defence responses to the attack of consumer organisms are two classic examples of adaptive phenotypic plasticity in plants. However, the mechanistic and functional links between these responses are not well understood. Jasmonates, a family of lipid-derived signals, are potent growth inhibitors and central regulators of plant immunity to herbivores and pathogens, with both roles being evolutionarily conserved from bryophytes to angiosperms.
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