Publications by authors named "Pamela Aceves-Garcia"
Article Synopsis
- Researchers studied genetic variation in plant roots in response to water stress, focusing on how different environmental conditions affect root growth.
- They discovered that osmotic stress reduced root growth and size but led to earlier cell differentiation without changing the stem cell area.
- Variations in root growth due to osmotic stress were seen among different plant accessions, with Sg-2 and Cvi-0 showing the most resilience, though gene expression didn’t explain the differences in sensitivity.
Arabidopsis thaliana has been an excellent model system for molecular genetic approaches to development and physiology. More recently, the potential of studying various accessions collected from diverse habitats has been started to exploit. Col-0 has been the best-studied accession but we now know that several traits show significant divergences among them.
View Article and Find Full Text PDFCurrent advances indicate that epigenetic mechanisms play important roles in the regulatory networks involved in plant developmental responses to environmental conditions. Hence, understanding the role of such components becomes crucial to understanding the mechanisms underlying the plasticity and variability of plant traits, and thus the ecology and evolution of plant development. We now know that important components of phenotypic variation may result from heritable and reversible epigenetic mechanisms without genetic alterations.
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