biology

Malassezia globosa

Malassezia globosa 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 Malassezia globosa rather than just read about it. In short: Malassezia globosa is a species of yeast. The skin rash of tinea versicolor (pityriasis versicolor) is also due to infection by this fungus.

Key takeaways

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

Reference excerpt

Malassezia globosa is a species of yeast. The skin rash of tinea versicolor (pityriasis versicolor) is also due to infection by this fungus.

Cause of dandruff and dermatitis In 2007, it was discovered that the responsible agent that metabolizes triglycerides present in sebum by the expression of lipase is a scalp specific fungus, Malassezia globosa (previously thought to be Malassezia furfur), resulting in a lipid byproduct: oleic acid. Identification of Malassezia on skin has been aided by the application of molecular or DNA-based techniques. These investigations show that the Malassezia species causing most skin disease in humans, including the most common cause of dandruff and seborrhoeic dermatitis, is M. globosa (though M. restricta is also involved). The skin rash of tinea versicolor (pityriasis versicolor) is also due to infection by this fungus. As the fungus requires fat to grow, it is most common in areas with many sebaceous glands: on the scalp, face, and upper part of the body. When the fungus grows too rapidly, the natural renewal of cells is disturbed, and dandruff appears with itching (a similar process may also occur with other fungi or bacteria). A project in 2007 has sequenced the genome of dandruff-causing Malassezia globosa and found it to have 4,285 genes. M. globosa uses eight different types of lipase, along with three phospholipases, to break down the oils on the scalp. Any of these 11 proteins would be a suitable target for dandruff medications. The number of specimens of M. globosa on a human head can be up to ten million. Malassezia globosa has been predicted to have the ability to reproduce sexually, but this has not been observed.

References

Illustrations

Worked examples

Example 1 — a first encounter with Malassezia globosa

Start with the simplest possible case. Write down what Malassezia globosa 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 Malassezia globosa 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 Malassezia globosa 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 Malassezia globosa

In research: Malassezia globosa 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 Malassezia globosa 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: Malassezia globosa is common in secondary-school and first-year university syllabi. It links to neighbouring topics Fungus species, Parasitic fungi, Ustilaginomycotina, so understanding it makes those chapters shorter.
In everyday life: Look for Malassezia globosa 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.

Ask Teacher Smith questions about this articleOpens your AI tutor with a question about “Malassezia globosa” →

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study Malassezia globosa in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Malassezia globosa 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 Malassezia globosa out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Malassezia globosa in simple terms?

Malassezia globosa is a species of yeast. The skin rash of tinea versicolor (pityriasis versicolor) is also due to infection by this fungus.

Why does Malassezia globosa 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 Malassezia globosa?

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 Malassezia globosa.