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THC production by yeast

THC production by yeast is a biology topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand THC production by yeast rather than just read about it. In short: Cannabinoids, including tetrahydrocannabinol (THC), the active drug in cannabis, can also be produced by bioengineered yeast, a process colloquially known as pharming. In 2007, a research group reported the successful transgenic placement of a THCA synthase gene from Cannabis plant into the Pichia pastoris yeast, giving the yeast the ability to turn the precursor molecule cannabigerolic acid into THCA.

Key takeaways

  • THC production by yeast belongs to biology; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect THC production by yeast to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of THC production by yeast from memory before moving on to harder problems.

Reference excerpt

Cannabinoids, including tetrahydrocannabinol (THC), the active drug in cannabis, can also be produced by bioengineered yeast, a process colloquially known as pharming. In 2007, a research group reported the successful transgenic placement of a THCA synthase gene from Cannabis plant into the Pichia pastoris yeast, giving the yeast the ability to turn the precursor molecule cannabigerolic acid into THCA. In 2019, researchers at University of California, Berkeley reported in Nature that they had bioengineered yeast able to completely synthesize THC, CBD, and other cannabinoids, using only sugar as a food. At least two companies have pursued intellectual property protection for biosynthesis of cannabinoids in yeast. The U.S. National Center for Complementary and Integrative Health has funded research into "techniques to synthesize cannabinoids in yeast", saying that if successful, it "would cost less than obtaining them from the cannabis plant".

See also

Conversion of CBD to THC List of psychoactive substances and precursor chemicals derived from genetically modified organisms Hops and cannabinoids

References

Sources Small, Ernest (November 2016). "Biosynthesis and genetics of the cannabinoids of Cannabis". Cannabis: A Complete Guide. CRC Press. ISBN 978-1-4987-6163-5. OCLC 971400059.

Further reading Xiaozhou Luo; Michael A. Reiter; Leo d'Espaux; Jeff Wong; Charles M. Denby; Anna Lechner; Yunfeng Zhang; Adrian T. Grzybowski; Simon Harth; Weiyin Lin; Hyunsu Lee; Changhua Yu; John Shin; Kai Deng; Veronica T. Benites; George Wang; Edward E. K. Baidoo; Yan Chen; Ishaan Dev; Christopher J. Petzold; Jay D. Keasling (2019), "Complete biosynthesis of cannabinoids and their unnatural analogues in yeast" (PDF), Nature, 567 (7746): 123–126, Bibcode:2019Natur.567..123L, doi:10.1038/s41586-019-0978-9, PMID 30814733, S2CID 71147445

Worked examples

Example 1 — a first encounter with THC production by yeast

Start with the simplest possible case. Write down what THC production by yeast claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In biology, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to THC production by yeast before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about THC production by yeast ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of THC production by yeast

In research
THC production by yeast appears in biology research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses THC production by yeast in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
THC production by yeast is common in secondary-school and first-year university syllabi. It links to neighbouring topics 2007 in cannabis, 2019 in cannabis, American inventions, so understanding it makes those chapters shorter.
In everyday life
Look for THC production by yeast outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
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How to study THC production by yeast in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what THC production by yeast means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain THC production by yeast out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is THC production by yeast in simple terms?

Cannabinoids, including tetrahydrocannabinol (THC), the active drug in cannabis, can also be produced by bioengineered yeast, a process colloquially known as pharming. In 2007, a research group reported the successful transgenic placement of a THCA synthase gene from Cannabis plant into the Pichia…

Why does THC production by yeast matter?

Because it connects several biology ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study THC production by yeast?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on THC production by yeast.

Tags

  • 2007 in cannabis
  • 2019 in cannabis
  • American inventions
  • Genetically modified organisms
  • Tetrahydrocannabinol

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