Natural Microbial Barcodes for Faster Plant Root Colonization Assays
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Solution Overview
Problem
Current agricultural practices are inefficient and environmentally detrimental due to reliance on the Haber-Bosch process for nitrogen fertilizer production, leading to significant resource consumption and environmental pollution, with only a small fraction of applied nitrogen being utilized by crops.
Innovation Solution
A method involving the insertion of a native barcode polynucleotide cassette into the genome of host cells, comprising forward and reverse primer binding sites and a barcode, which is inserted into the genome of the host cell, which includes a new device, and a barcode, to enhance nitrogen fixation and colonization in non-leguminous crops.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If nitrogen fertilizer is applied to meet growing food demand, then crop production increases, but environmental pollution and resource consumption increase significantly
Solution Approach 1:
The patent enables plants to fix their own nitrogen through introduction of nitrogen fixation genes, making the crop self-sufficient for nitrogen needs without external fertilizer application. This eliminates environmental pollution from fertilizer while maintaining productivity.
Solution Approach 2:
The patent uses soil microorganisms as intermediaries to deliver nitrogen fixation capability to non-leguminous crops. These microorganisms act as carriers that introduce and express nitrogen fixation genes in the plant rhizosphere, enabling indirect nitrogen fixation.
2Quantity of substance
If chemical nitrogen fertilizer is produced via Haber-Bosch process, then nitrogen supply for crops is ensured, but energy consumption and environmental damage increase
Solution Approach 1:
The patent transforms crops into self-nitrogenizing systems by introducing nitrogen fixation genes, eliminating dependence on energy-intensive Haber-Bosch produced fertilizers. The plants autonomously produce their own nitrogen supply.
Solution Approach 2:
The patent changes the fundamental parameter of nitrogen acquisition from external chemical input to internal biological production. By altering the nitrogen supply mechanism from industrial synthesis to biological fixation, energy consumption is dramatically reduced.
3Quantity of substance
If heavy machinery is used to apply nitrogen fertilizer, then nitrogen delivery to crops is achieved, but soil compaction and carbon emissions increase
Solution Approach 1:
The patent eliminates the need for mechanical nitrogen delivery systems. Crops acquire nitrogen through biological fixation by introduced genes and associated microorganisms, removing heavy machinery from the nitrogen delivery process entirely.
4Measurement precision
If conventional plant colonization assays are used to evaluate bacterial strains, then colonization ability can be assessed, but the process is labor intensive and time consuming
Solution Approach 1:
The patent replaces manual counting and mechanical assessment methods with DNA barcoding and next-generation sequencing. This substitutes mechanical/labor-intensive processes with automated molecular biology techniques, dramatically reducing time and labor while improving precision.
Solution Approach 2:
The patent uses DNA barcodes as informational copies of bacterial identity. Instead of directly observing and counting bacteria, the system sequences barcode DNA copies to identify and quantify bacterial populations, enabling high-throughput automated assessment.
Data Source
AI summary
The present disclosure is drawn to methods of utilizing nucleic acid barcodes and corresponding amplifying sites in cells in which the barcodes naturally occur. These barcodes and amplifying sites are reconfigured into a single nucleic acid cassette that provides for ease of use in tagging particular species, strains, or variants of cells, each with a different barcode. These barcodes can be used to track the colonization capabilities of the barcoded cells. The present disclosure further provides for assays that utilize natural barcodes to measure relative microbial colonization ability of a plant root system.