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id: "66def6593f8b4e9e69bd7ae7"
title: "Plant Tissue Culture"
board: "CBSE"
curriculum: "CBSE"
class: "Class 12"
subject: "Biotechnology"
book: "Biotechnology"
chapter: "Plant Tissue Culture"
chapter_slug: "plant-tissue-culture"
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---

# Plant Tissue Culture
Plant tissue culture (PTC) refers to the cultivation of undifferentiated plant cells, tissues or organs on synthetic media under aseptic environments and suitable controlled physical conditions. It is an important tool for both basic research and commercial applications. PTC is based on the unique characteristic of a plant cell known as totipotency, which is the ability of a vegetative cell to divide and differentiate into specialized cells or to regenerate into a whole plant.

---

## Knowledge Snapshot

| Field | Details |
| :--- | :--- |
| Class | Class 12 |
| Subject | Biotechnology |
| Book | Biotechnology |
| Chapter | Plant Tissue Culture |
| Pages | 167-184 |

---

## Chapter Summary

### Short Summary
Plant tissue culture is a technique for growing plant cells, tissues, or organs on nutrient media under controlled conditions, utilizing the principle of totipotency.

### Detailed Summary
The chapter outlines the historical development of plant tissue culture, starting from the contributions of scientists like Theodor Schwann and Matthias Schleiden to Gottlieb Haberlandt, who is recognized as the 'Father of Plant Tissue Culture.' The principles of plant tissue culture were established in the early 1900s, culminating in significant discoveries in the following decades, particularly about the necessity of hormones and vitamins in media for promoting plant growth. The introduction of Murashige and Skoog medium in 1962 enabled wider applications and standardization of tissue culture techniques.

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## Topic-Wise Explanation

### Historical Perspective
The chapter discusses the contributions of key figures in the establishment of plant tissue culture, beginning with Haberlandt's foundational work in the early 1900s and continuing through various milestones up to the 21st century.

### Cell and Tissue Culture Techniques
The techniques involve the growth of undifferentiated plant cells, and the chapter details methods used to culture tissues such as root and shoot tips using synthetic media.

### Nutrient Media
The best practices for creating nutrient media, including the use of natural supplements like coconut water, corn milk, and the formulation of Murashige and Skoog medium are discussed.

### Culture Types
Different types of cultures such as callus cultures and plant regeneration from various tissues are outlined.

### Applications of Plant Cell and Tissue Culture
Various applications of PTC in agriculture, such as the production of transgenic plants and genetic research, are highlighted based on historical advancements.

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## Core Ideas

| Idea | Explanation |
| :--- | :--- |
| Totipotency | The ability of a plant cell to develop into a whole plant or specialized cells. |

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## Key Concepts

| Concept | Meaning |
| :--- | :--- |
| In vitro | Culturing cells in a controlled, artificial environment. |
| Auxin | A plant hormone that promotes root formation. |
| Cytokinin | A plant hormone that stimulates cell division. |

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## Important Points for Revision
* Plant tissue culture is based on the principle of totipotency.
* Gottlieb Haberlandt is known as the Father of Plant Tissue Culture.
* The Murashige and Skoog medium is widely used for plant tissue cultures.
* Plant hormones like auxins and cytokinins play crucial roles in culture outcomes.
* Historical advancements from the 1900s to 21st century illustrate the growth of PTC.
* Natural supplements like coconut water enhance plant growth in cultures.
* The first synthetic culture medium was developed by White in 1937.
* Applications of PTC include transgenic plant production and crop improvement.

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## Vocabulary and Glossary

| Word / Phrase | Meaning |
| :--- | :--- |
| Totipotency | The capacity of a single cell to develop into a complete organism. |

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## Practice Questions

### Short Answer Questions
1. What is plant tissue culture?
2. Who is known as the Father of Plant Tissue Culture?
3. What are the components of Murashige and Skoog medium?
4. Explain the role of auxins in plant tissue culture.
5. What is the significance of totipotency in PTC?

### Long Answer Questions
1. Discuss the historical developments in plant tissue culture from the 1900s to the present.
2. Elaborate on the techniques utilized in plant tissue culture and their applications.
3. Analyze the impact of plant hormone balance on cell culture differentiation and regeneration.

---

## Related Concepts
* Somatic hybridization
* Transgenic plants

---

## Source Attribution

| Field | Value |
| :--- | :--- |
| Source | Edzy |
| Reference Type | examSubjectBookChapter |
| Reference ID | 66def6593f8b4e9e69bd7ae7 |
| Canonical URL | https://www.edzy.ai/cbse-class-12-biotechnology-plant-tissue-culture |
| Markdown URL | https://www.edzy.ai/okf/chapter/cbse-class-12-biotechnology-plant-tissue-culture.md |