science

Syringomycin E

Syringomycin E is a science 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 Syringomycin E rather than just read about it. In short: Syringomycin E is a member of a class of lipodepsinonapeptide molecules that are secreted by the plant pathogen Pseudomonas syringae. Lipodepsinonapeptides comprise a closed ring of nine nonribosomally synthesized amino acids bonded to a fatty acid hydrocarbon tail.

Key takeaways

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

Reference excerpt

Syringomycin E is a member of a class of lipodepsinonapeptide molecules that are secreted by the plant pathogen Pseudomonas syringae. Lipodepsinonapeptides comprise a closed ring of nine nonribosomally synthesized amino acids bonded to a fatty acid hydrocarbon tail. A commonly encountered pathovar (pv) of P. syringae is P. syringae pv syringae, which secretes a number of closely related forms of the molecule. Syringomycins are virulence determinants, which means that their secretion is required for the manifestation of disease symptoms on a number of stone fruit crop plants. Syringomycins have two widely recognized mechanisms of action. They can function as detergents which are powerful enough to dissolve plant membranes at high concentrations. It is not clear whether concentrations high enough to dissolve membranes are ever reached in planta. In addition to being surfactants, aggregates of syringomycins can insert into plant cell membranes and form small pores. These pores allow the leakage of ions from the plant cell cytoplasm. Affected plant cells are unable to maintain their required levels of electrolyte and ultimately cell death and lysis occurs. It is believed that P. syringae benefits from the release of nutrients that occurs as a consequence of cellular lysis. The biosynthesis of this class of molecules has been elucidated.

References

Illustrations

Worked examples

Example 1 — a first encounter with Syringomycin E

Start with the simplest possible case. Write down what Syringomycin E claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, 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 Syringomycin E 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 Syringomycin E 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 Syringomycin E

In research: Syringomycin E appears in science 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 Syringomycin E 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: Syringomycin E is common in secondary-school and first-year university syllabi. It links to neighbouring topics Cyclic peptides, Plant toxins, so understanding it makes those chapters shorter.
In everyday life: Look for Syringomycin E 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.

Affiliate

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

How to study Syringomycin E in 20 minutes

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

Frequently asked questions

What is Syringomycin E in simple terms?

Why does Syringomycin E matter?

Because it connects several science 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 Syringomycin E?

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 Syringomycin E.