Potassium Titanate Whisker Gene Transfer in Rubber Plants

Solution Overview

Problem

Agrobacterium techniques for genetic transformation of rubber-producing plants are inefficient and not suitable for all species, limiting the ability to enhance natural rubber yield effectively.

Innovation Solution

A method using potassium titanate whiskers for gene transfer, involving centrifugation and sonication of cultured cells to achieve high efficiency in producing transformed cells, with specific conditions such as small cell masses and extended restoration times, replaces Agrobacterium techniques.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If Agrobacterium techniques are used for genetic transformation of rubber-producing plants, then transformation can be achieved, but gene transfer efficiency is low and not suitable for all species

Engineering Contradiction:
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The patent replaces the biological Agrobacterium-mediated transformation system with a physical/chemical whisker-mediated system. Potassium titanate whiskers are used as a mechanical vector to deliver foreign genes directly into plant cells through centrifugation and sonication, eliminating the species-specific limitations of Agrobacterium while achieving high transformation efficiency across different rubber-producing plant species

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent introduces potassium titanate whiskers as an intermediary carrier between the foreign gene and the plant cell. The whiskers serve as a physical mediator that can be easily manipulated and controlled, allowing efficient gene delivery without relying on the complex biological interactions required by Agrobacterium, thus improving both efficiency and adaptability

Inventive Principle:
Principle #24Intermediary (Mediator)

2Productivity

If conventional artificial crossing or mutation techniques are used, then genetic improvement can be attempted, but the methods are inefficient and difficult to impart desired characteristics

Engineering Contradiction:
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

The patent replaces slow conventional breeding methods (artificial crossing and mutation) with direct gene transfer technology. By using whisker-mediated transformation, desired genetic characteristics can be directly introduced into the plant genome, achieving rapid and precise genetic improvement with high efficiency and reliability

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent enables preliminary selection and preparation of specific foreign genes before transfer. Researchers can prepare the desired genetic material in advance, optimize the transformation conditions, and then directly introduce the pre-prepared gene into the plant, eliminating the lengthy and uncertain processes of conventional breeding

Inventive Principle:
Principle #10Preliminary action

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

This method efficiently produces transformed cells of rubber-producing plants, overcoming the limitations of Agrobacterium techniques and enabling improved gene transfer efficiency.

Implementation Method 1

the cultured cells and a whisker are dispersed in a liquid and then the whisker is made to adhere to the cultured cells by centrifugation

Methodology Applied
Scientific EffectCentrifugation: Centrifugal Separation

Implementation Method 2

the cultured cells are damaged by the whisker under sonication and a foreign gene is introduced into the cells

Methodology Applied
Scientific EffectSonication: Ultrasonic Vibration

Data Source

PatentEP3594352B1Method of producing transformed cells of rubber-producing plant
Publication Date: 2022.02.23
  • EP3594352B1 patent drawing

AI summary

The present invention provides a method which can replace Agrobacterium techniques and which can efficiently produce transformed cells of a rubber-producing plant. The present invention relates to a method of producing transformed cells of a rubber-producing plant, which includes steps a) to e) .