biology

High Plains wheat mosaic emaravirus

High Plains wheat mosaic emaravirus 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 High Plains wheat mosaic emaravirus rather than just read about it. In short: High Plains wheat mosaic emaravirus (WMoV), also known as High Plains virus (HPV) or Maize red stripe virus (MRSV/MRStV), is the causative agent of High plains disease of maize and wheat. It is spread by wheat curl mite, Aceria tosichella, which also transmits Wheat streak mosaic virus.

Key takeaways

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

Reference excerpt

High Plains wheat mosaic emaravirus (WMoV), also known as High Plains virus (HPV) or Maize red stripe virus (MRSV/MRStV), is the causative agent of High plains disease of maize and wheat. It is spread by wheat curl mite, Aceria tosichella, which also transmits Wheat streak mosaic virus. The mite's ability to transmit a number of different viruses to cereal crops make it an economically important agricultural pest. In late June 2017 this virus was first detected in Canada, in Alberta. The Alberta samples were 99% similar to those in the USA. As Wheat streak mosaic virus is already present in Alberta, and coinfection with these two causes even more severe damage, this could cause much higher yield losses.

Genome Researchers at USDA-ARS published the whole genome of HPWMoV. They reported that the eriophyid mite-transmitted Wheat mosaic virus contains eight genomic RNA segments, the most in a known negative-sense RNA plant virus. The RNA-dependent RNA polymerase, glycoprotein precursor, nucleocapsid, and P4 proteins of WMoV exhibited limited sequence homology with the orthologous proteins of other emaraviruses, while proteins encoded by additional genomic RNA segments displayed no significant homology with proteins reported in GenBank, suggesting that the genus Emaravirus evolved further with a divergent octapartite genome. The genome of HPWMoV was shown to encode two suppressors of RNA silencing, to counter antiviral defense of the host wheat plants.

References

External links Data related to High Plains wheat mosaic emaravirus at Wikispecies "High plains wheat mosaic emaravirus (high plains disease)". Centre for Agriculture and Bioscience International Invasive Species Compendium. 2019-11-20. Retrieved 2020-12-07.

Illustrations

Worked examples

Example 1 — a first encounter with High Plains wheat mosaic emaravirus

Start with the simplest possible case. Write down what High Plains wheat mosaic emaravirus 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 High Plains wheat mosaic emaravirus 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 High Plains wheat mosaic emaravirus 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 High Plains wheat mosaic emaravirus

In research: High Plains wheat mosaic emaravirus 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 High Plains wheat mosaic emaravirus 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: High Plains wheat mosaic emaravirus is common in secondary-school and first-year university syllabi. It links to neighbouring topics Maize diseases, Viral plant disease stubs, Viral plant pathogens and diseases, so understanding it makes those chapters shorter.
In everyday life: Look for High Plains wheat mosaic emaravirus 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 High Plains wheat mosaic emaravirus in 20 minutes

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

Frequently asked questions

What is High Plains wheat mosaic emaravirus in simple terms?

Why does High Plains wheat mosaic emaravirus 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 High Plains wheat mosaic emaravirus?

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 High Plains wheat mosaic emaravirus.