biology

Tannerella forsythia

Tannerella forsythia 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 Tannerella forsythia rather than just read about it. In short: Tannerella forsythia is an anaerobic, Gram-negative bacterial species of the Bacteroidota phylum. It has been implicated in periodontal diseases and is a member of the red complex of periodontal pathogens.

Key takeaways

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

Reference excerpt

Tannerella forsythia is an anaerobic, Gram-negative bacterial species of the Bacteroidota phylum. It has been implicated in periodontal diseases and is a member of the red complex of periodontal pathogens. T. forsythia was previously named Bacteroides forsythus and Tannerella forsythensis. Tannerella forsythia was discovered by and named after Anne Tanner, who works at The Forsyth Institute located in Cambridge, Massachusetts. Tannerella forsythia has been identified in atherosclerotic lesions. Lee et al. found that infecting mice with T. forsythia induced foam cell formation and accelerated the formation of atherosclerotic lesions. It has also been isolated from women with bacterial vaginosis. The presence of oral T. forsythia has been found to be associated with an increased risk of esophageal cancer.

See also List of bacterial vaginosis microbiota

References

Worked examples

Example 1 — a first encounter with Tannerella forsythia

Start with the simplest possible case. Write down what Tannerella forsythia 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 Tannerella forsythia 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 Tannerella forsythia 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 Tannerella forsythia

In research: Tannerella forsythia 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 Tannerella forsythia 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: Tannerella forsythia is common in secondary-school and first-year university syllabi. It links to neighbouring topics Bacteria described in 2002, Bacterial vaginosis, Bacteroidia, so understanding it makes those chapters shorter.
In everyday life: Look for Tannerella forsythia 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 Tannerella forsythia in 20 minutes

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

Frequently asked questions

What is Tannerella forsythia in simple terms?

Why does Tannerella forsythia 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 Tannerella forsythia?

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 Tannerella forsythia.