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Non-nuclear Inheritance

Non-nuclear Inheritance

Most DNA resides in the nucleus of a cell. However, some organelles in the cell cytoplasm⁠—such as chloroplasts and mitochondria⁠—also have their own DNA. These organelles replicate their DNA independently of the nuclear DNA of the cell in which they reside. Non-nuclear inheritance describes the inheritance of genes from structures other than the nucleus.

Non-nuclear Inheritance

Non-nuclear Inheritance

Most DNA resides in the nucleus of a cell. However, some organelles in the cell cytoplasm⁠—such as chloroplasts and mitochondria⁠—also have their own DNA. These organelles replicate their DNA independently of the nuclear DNA of the cell in which they reside. Non-nuclear inheritance describes the inheritance of genes from structures other than the nucleus.

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Transgenic Plants

Recombinant DNA technology called transgenesis is often used to add a foreign gene or remove a detrimental gene from an organism. Such genetically modified organisms are called transgenic organisms.
The first-ever transgenic plant was a tobacco plant developed in 1983 that showed resistance against the tobacco mosaic virus. Since then, many transgenic plants have been developed and commercialized for improving the agricultural, ornamental, and horticultural value of a crop plant. Transgenic...

Transgenic Organisms

Transgenic Organisms

Plant Breeding and Biotechnology

Plant Breeding and Biotechnology

Crop cultivation has a long history in human civilization, with records showing the cultivation of cereal plants beginning at around 8000 BC. This early plant breeding was developed primarily to provide a steady supply of food.

Inheritance

Inheritance

Gregor Mendel's pioneering work on the principles of inheritance fundamentally transformed our understanding of how traits are transmitted from generation to generation. His experiments with pea plants laid the groundwork for the discovery of genes, discrete units within organisms that control heredity.
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Updated: Jun 2, 2026

Analysis of Transgenerational Epigenetic Inheritance in C. elegans Using a Fluorescent Reporter and Chromatin Immunoprecipitation (ChIP)

Analysis of Transgenerational Epigenetic Inheritance in C. elegans Using a Fluorescent Reporter and Chromatin Immunoprecipitation (ChIP)

Published on: May 5, 2023

Transgenerational epigenetic inheritance in plants.

Marie-Theres Hauser¹, Werner Aufsatz, Claudia Jonak

¹Department of Applied Genetics and Cell Biology, University of Natural Resources and Life Sciences Vienna, Muthgasse 18, Austria.

Biochimica Et Biophysica Acta

|April 26, 2011

Summary

This summary is machine-generated.

Transgenerational epigenetic inheritance in plants, influenced by environmental stress, offers adaptive advantages. Understanding these epigenetic mechanisms is crucial for plant adaptation and practical applications in changing environments.

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Area of Science:

Plant epigenetics
Transgenerational inheritance
Stress response

Background:

Epigenetic mechanisms control gene expression during plant development and in response to stress.
Historical anecdotes and 60 years of research on epialleles and paramutations in plants.

Observation:

Plants exhibit naturally occurring and induced epialleles and paramutations.
Diverse stressors impact epigenetic status and its inheritance across generations.

Findings:

Key epigenetic regulators are vital for controlling plant stress responses.
Mechanistic insights into how stressors affect epigenetic status and transgenerational inheritance.
Transgenerational epigenetic inheritance stability compared to genetic mutations.

Implications:

Transgenerational epigenetic inheritance aids plant adaptation to environmental changes.
Potential for practical applications in agriculture and plant breeding.
Understanding epigenetics is key for future crop improvement.