biology

Myohalovirus

Myohalovirus 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 Myohalovirus rather than just read about it. In short: Myohalovirus (synonym: PhiH-like viruses, Phihlikevirus) is a genus of viruses in the class Caudoviricetes, in the family Vertoviridae. Bacteria and archaea serve as natural hosts.

Key takeaways

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

Reference excerpt

Myohalovirus (synonym: PhiH-like viruses, Phihlikevirus) is a genus of viruses in the class Caudoviricetes, in the family Vertoviridae. Bacteria and archaea serve as natural hosts. There are two species in this genus.

Taxonomy The genus contains the following species:

Myohalovirus alkaliphilum Myohalovirus spontanei

Structure Myohaloviruses are nonenveloped, with a head and tail. The head is icosahedral with a diameter of about 64 nm. The tail is around 170 nm long, 18 nm wide, has short terminal fibers, and is contractile.

Genome Genomes are circular, around 59kb in length. The genome codes for 100 proteins.

Life cycle Viral replication is cytoplasmic. The virus attaches to the host cell using its terminal fibers, and ejects the viral DNA into the host cytoplasm via contraction of its tail sheath. DNA-templated transcription is the method of transcription. Once the viral genes have been replicated, the procapsid is assembled and packed. The tail is then assembled and the mature virions are released via lysis. Bacteria and archaea serve as the natural host. Transmission routes are passive diffusion.

History According to the ICTV's 1997 report, the genus PhiH-like viruses was first accepted as a new genus in the family Myoviridae, at the same time as its type species. This proposal is available here. The following year (1998), the genus was added to the newly created order Caudovirales. In 1999, a name change is reported, but no change actually occurred. In 2012, the name was changed to Phihlikevirus. This proposal is available here. The genus was later renamed to Myohalovirus.

References

External links Viralzone: Phihlikevirus ICTV

Worked examples

Example 1 — a first encounter with Myohalovirus

Start with the simplest possible case. Write down what Myohalovirus 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 Myohalovirus 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 Myohalovirus 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 Myohalovirus

In research: Myohalovirus 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 Myohalovirus 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: Myohalovirus is common in secondary-school and first-year university syllabi. It links to neighbouring topics Myoviridae, Virus genera, so understanding it makes those chapters shorter.
In everyday life: Look for Myohalovirus 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 “Myohalovirus” →

Affiliate

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

How to study Myohalovirus in 20 minutes

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

Frequently asked questions

What is Myohalovirus in simple terms?

Myohalovirus (synonym: PhiH-like viruses, Phihlikevirus) is a genus of viruses in the class Caudoviricetes, in the family Vertoviridae. Bacteria and archaea serve as natural hosts.

Why does Myohalovirus 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 Myohalovirus?

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 Myohalovirus.