science

Pecilocin

Pecilocin is a science 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 Pecilocin rather than just read about it. In short: Pecilocin (brand name Variotin) is a pyrrolidine anti-fungal. It is produced by Paecilomyces varioti Bainer var. antibioticus and was first isolated by Setsuo Takeuchi in 1959.

Key takeaways

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

Reference excerpt

Pecilocin (brand name Variotin) is a pyrrolidine anti-fungal. It is produced by Paecilomyces varioti Bainer var. antibioticus and was first isolated by Setsuo Takeuchi in 1959. Later, it was established that other fungi also produce this compound, which include Aspergillus candidus and Aspergillus montenegroi.

Uses Pecilocin is indicated for topical treatment of fungal infections of skin and its adnexa, i.e.:

skin mycoses (including tinea versicolor) onchomycosis scalp infections (e.g. tinea capitis)

Antifungal spectrum Pecilocin is a fungistatic and has activity against genera Blastomyces, Cryptococcus, Epidermophyton, Microsporum and Trichophyton (with MIC less or equal to 0,25 μg/ml). C. albicans is inherently resistant.

Adverse effects Common adverse effects associated with pecilocin include: skin irritation (observed in 2-6.5% of patients), as well as contact dermatitis. Some patients might exhibit allergy to pecilocin.

Biosynthesis A radioactive carbon study of pecilocin biosynthetic pathway conducted by Nobuo Tanaka showed it is synthesised from acetic acid, glutamate and L-methionine.

References

Worked examples

Example 1 — a first encounter with Pecilocin

Start with the simplest possible case. Write down what Pecilocin claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, 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 Pecilocin 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 Pecilocin 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 Pecilocin

In research: Pecilocin appears in science 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 Pecilocin 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: Pecilocin is common in secondary-school and first-year university syllabi. It links to neighbouring topics Antifungals, so understanding it makes those chapters shorter.
In everyday life: Look for Pecilocin 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 Pecilocin in 20 minutes

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

Frequently asked questions

What is Pecilocin in simple terms?

Pecilocin (brand name Variotin) is a pyrrolidine anti-fungal. It is produced by Paecilomyces varioti Bainer var. antibioticus and was first isolated by Setsuo Takeuchi in 1959.

Why does Pecilocin matter?

Because it connects several science 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 Pecilocin?

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 Pecilocin.