Inoculation of plants using bombardment.

Area of Science:

• Plant Biotechnology
• Molecular Virology
• Agricultural Science

Background:

• Efficient delivery of nucleic acids and viruses into intact plant tissues is crucial for various research applications.
• Existing methods may be costly, complex, or unsuitable for certain plant types or experimental conditions.

Purpose of the Study:

• To describe the construction and application of a novel handheld particle bombardment device.
• To enable high-efficiency inoculation of intact plants with diverse biological agents.
• To provide a cost-effective and versatile tool for plant research.

Main Methods:

• Construction of handheld particle bombardment devices using readily available laboratory materials.
• Utilization of pressurized gas to accelerate heavy metal particles coated with nucleic acids or viruses into plant tissues.
• Application of the device for inoculating with cDNA, PCR products, viral preparations, and in vitro transcripts.

Main Results:

• Demonstrated high-efficiency inoculation of intact plants with various genetic materials and viruses.
• Successful inoculation of phloem-limited RNA viruses and soft plant tissues not amenable to other methods.
• Enabled large-scale plant inoculation (mass bombardment) and greenhouse applications.

Conclusions:

• The developed handheld particle bombardment device is an inexpensive, easily assembled, and effective tool for plant inoculation.
• This technology facilitates diverse applications including viral recombination studies, promoter analysis, and virus movement monitoring.
• It offers a significant advancement for plant virology and biotechnology research, adaptable to various experimental needs.