biology

Pseudomonas phage F116 holin

Pseudomonas phage F116 holin 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 Pseudomonas phage F116 holin rather than just read about it. In short: The Pseudomonas phage F116 holin is a non-characterized holin homologous to one in Neisseria gonorrheae that has been characterized. This protein is the prototype of the Pseudomonas phage F116 holin (F116 Holin) family (TC# 1.E.25), which is a member of the Holin Superfamily II.

Key takeaways

Pseudomonas phage F116 holin belongs to biology; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Pseudomonas phage F116 holin to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Pseudomonas phage F116 holin from memory before moving on to harder problems.

Reference excerpt

The Pseudomonas phage F116 holin is a non-characterized holin homologous to one in Neisseria gonorrheae that has been characterized. This protein is the prototype of the Pseudomonas phage F116 holin (F116 Holin) family (TC# 1.E.25), which is a member of the Holin Superfamily II. Bioinformatic analysis of the genome sequence of N. gonorrhoeae revealed the presence of nine probable prophage islands. The genomic sequence of FA1090 identified five genomic regions (NgoPhi1 - 5) that are related to dsDNA lysogenic phage. The DNA sequences from NgoPhi1, NgoPhi2 and NgoPhi3 contained regions of identity. A region of NgoPhi2 showed high similarity with the Pseudomonas aeruginosa generalized transducing phage F116. NgoPhi1 and NgoPhi2 encode functionally active phages. The holin gene of NgoPhi1 (identical to that encoded by NgoPhi2), when expressed in E. coli, could substitute for the phage lambda S gene.

See also Holin Lysin Transporter Classification Database

References

As of 10 March 2016, this article is derived in whole or in part from Transporter Classification Database (TCDB). The copyright holder has licensed the content in a manner that permits reuse under CC BY-SA 3.0 and GFDL. All relevant terms must be followed. The original text was at "1.E.25 The Pseudomonas phage F116 Holin (F116 Holin) Family"

Worked examples

Example 1 — a first encounter with Pseudomonas phage F116 holin

Start with the simplest possible case. Write down what Pseudomonas phage F116 holin 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 Pseudomonas phage F116 holin 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 Pseudomonas phage F116 holin 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 Pseudomonas phage F116 holin

In research: Pseudomonas phage F116 holin 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 Pseudomonas phage F116 holin 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: Pseudomonas phage F116 holin is common in secondary-school and first-year university syllabi. It links to neighbouring topics Holins, Membrane protein stubs, Protein families, so understanding it makes those chapters shorter.
In everyday life: Look for Pseudomonas phage F116 holin 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 Pseudomonas phage F116 holin in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Pseudomonas phage F116 holin 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 Pseudomonas phage F116 holin out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Pseudomonas phage F116 holin in simple terms?

Why does Pseudomonas phage F116 holin 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 Pseudomonas phage F116 holin?

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 Pseudomonas phage F116 holin.