Related Experiment Video
Updated: Aug 5, 2026

08:10
Environmentally Induced Heritable Changes in Flax
Published on: January 26, 2011
Inheritance of somatic mutations and epigenetic variations in plants
U Rogo1, M Fambrini1, C Pugliesi1
1Department of Agriculture, Food and Environment (DAFE), University of Pisa, Pisa, Italy.
Plant Biology (Stuttgart, Germany)
|July 26, 2026
Summary
Plants possess remarkable developmental plasticity, allowing mature cells to regenerate tissues and organs. This plasticity enables somatic mutations to become heritable, influencing plant evolution and adaptation.
Area of Science:
- Plant Biology
- Developmental Biology
- Evolutionary Biology
Background:
- Plants exhibit continuous growth via meristems and possess developmental plasticity.
- Unlike animals, mature plant cells can dedifferentiate and regenerate tissues or organs.
- Plants offer unique pathways for somatic mutations to become heritable.
Purpose of the Study:
- To explore how genetic changes are inherited through somatic-to-germline transitions in plants.
- To investigate the role of environmental stressors in inducing transmissible epigenetic variations.
- To discuss the implications of cellular mosaicism in tracing mutation spread and effects.
Main Methods:
- Review of existing literature on plant development and inheritance.
- Analysis of mechanisms of somatic dedifferentiation and regeneration.
- Examination of epigenetic modifications, such as DNA methylation, and their heritability.
Main Results:
- Plant developmental plasticity facilitates the transition of somatic genetic changes to the germline.
- Environmental stressors can induce epigenetic variations (e.g., DNA methylation changes) that are passed to offspring.
- Cellular mosaicism provides insights into mutation dynamics and their organism-wide impact.
Conclusions:
- Somatic hereditary changes in plants offer unique adaptive and evolutionary routes.
- Epigenetic inheritance via environmental induction plays a role in plant adaptation.
- Understanding cellular mosaicism is crucial for studying mutation effects on progeny and fitness.
More Related Videos
Related Concept Videos
Cancers Originate from Somatic Mutations in a Single Cell
Cancer arises from mutations in the critical genes that allow healthy cells to escape cell cycle regulation and acquire the ability to proliferate indefinitely. Though originating from a single mutation event in one of the originator cells, cancer progresses when the mutant cell lines continue to gain more and more mutations, and finally, become malignant. For example, chronic myelogenous leukemia (CML) develops initially as a non-lethal increase in white blood cells, which progressively...
Cancers Originate from Somatic Mutations in a Single Cell
Cancer arises from mutations in the critical genes that allow healthy cells to escape cell cycle regulation and acquire the ability to proliferate indefinitely. Though originating from a single mutation event in one of the originator cells, cancer progresses when the mutant cell lines continue to gain more and more mutations, and finally, become malignant. For example, chronic myelogenous leukemia (CML) develops initially as a non-lethal increase in white blood cells, which progressively...
Inheritance of Chromatin Structures
Epigenetics is the study of inherited changes in a cell's phenotype without changing the DNA sequences. It provides a form of memory for the differential gene expression pattern to maintain cell lineage, position-effect variegation, dosage compensation, and maintenance of chromatin structures such as telomeres and centromeres. For example, the structure and location of the centromere on chromosomes are epigenetically inherited. Its functionality is not dictated or ensured by the underlying DNA...
Epigenetic Regulation
Epigenetic changes alter the physical structure of the DNA without changing the genetic sequence and often regulate whether genes are turned on or off. This regulation ensures that each cell produces only proteins necessary for its function. For example, proteins that promote bone growth are not produced in muscle cells. Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
X-chromosome...
X-chromosome...
Epigenetic Regulation
Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
Epigenetic Regulation
Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.

