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Ultrasonic-Assisted Extraction of Cannabidiolic Acid from Cannabis Biomass
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Complex Patterns of Cannabinoid Alkyl Side-Chain Inheritance in Cannabis
Matthew T Welling1,2, Lei Liu1, Carolyn A Raymond1
1Southern Cross Plant Science, Southern Cross University, Lismore, New South Wales, 2480, Australia.
Scientific Reports
|August 8, 2019
Summary
Understanding Cannabis genetics is key for biopharmaceutical production. This study reveals complex inheritance patterns for cannabinoid alkyl side-chain length, suggesting gene linkage for enhanced Cannabis development.
Area of Science:
- Plant genetics
- Biotechnology
- Pharmacology
Background:
- The cannabinoid alkyl side-chain is a crucial pharmacophore in Cannabis.
- Genetic manipulation of alkyl homologs could yield improved Cannabis varieties for biopharmaceutical manufacturing.
- Delta(9)-tetrahydrocannabinolic acid (THCA) and cannabidiolic acid (CBDA) synthase genes influence cannabinoid composition, but alkyl side-chain inheritance remains unclear.
Purpose of the Study:
- To investigate the inheritance patterns of alkyl cannabinoid side-chain length in Cannabis.
- To analyze the genetic contributions and interactions within cannabinoid synthesis pathways.
- To understand the chemotype inheritance in Cannabis.
Main Methods:
- Scoring of THCA synthase (THCAS) and CBDA synthase (CBDAS) genotypes.
- Analysis of alkyl cannabinoid segregation in 210 F2 progeny from a cross between divergent Cannabis chemotypes.
- Statistical analysis of inheritance patterns.
Main Results:
- Observed non-Gaussian inheritance patterns deviating from Mendelian expectations.
- Identified discrete alkyl cannabinoid segregation patterns.
- Detected digenic and epistatic modes of inheritance among F2 progeny based on THCAS and CBDAS genotypes.
Conclusions:
- Suggests potential linkage between cannabinoid synthesis pathway loci.
- Highlights the need for detailed characterization of cannabinoid inheritance.
- Provides insights for metabolic engineering of Cannabis for elite germplasm development.
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