biology

Kordia algicida

Kordia algicida 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 Kordia algicida rather than just read about it. In short: Kordia algicida is an algicidal, Gram-negative, strictly aerobic and non-motile bacterium from the genus Kordia which has been isolated from sea water from the Masan Bay in Korea. The species requires sodium chloride for growth.

Key takeaways

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

Reference excerpt

Kordia algicida is an algicidal, Gram-negative, strictly aerobic and non-motile bacterium from the genus Kordia which has been isolated from sea water from the Masan Bay in Korea. The species requires sodium chloride for growth. K. algicida is catalase-positive and oxidase-negative.

References

Further reading Bigalke, Arite; Meyer, Nils; Papanikolopoulou, Lydia Alkistis; Wiltshire, Karen Helen; Pohnert, Georg (1 April 2019). "The Algicidal Bacterium Kordia algicida Shapes a Natural Plankton Community". Applied and Environmental Microbiology. 85 (7). Bibcode:2019ApEnM..85E2779B. doi:10.1128/AEM.02779-18. ISSN 0099-2240. PMC 6585488. PMID 30737345. Meyer, Nils; Pohnert, Georg (18 December 2019). "Isolate-specific resistance to the algicidal bacterium Kordia algicida in the diatom Chaetoceros genus". Botanica Marina. 62 (6): 527–535. doi:10.1515/bot-2019-0007. Parte, Aidan; Krieg, Noel R.; Ludwig, Wolfgang; Whitman, William B.; Hedlund, Brian P.; Paster, Bruce J.; Staley, James T.; Ward, Naomi; Brown, Daniel (4 February 2011). Bergey's Manual of Systematic Bacteriology: Volume 4: The Bacteroidetes, Spirochaetes, Tenericutes (Mollicutes), Acidobacteria, Fibrobacteres, Fusobacteria, Dictyoglomi, Gemmatimonadetes, Lentisphaerae, Verrucomicrobia, Chlamydiae, and Planctomycetes. Springer Science & Business Media. p. 229. ISBN 978-0-387-68572-4. Tommonaro, Giuseppina (8 April 2019). Quorum Sensing: Molecular Mechanism and Biotechnological Application. Academic Press. pp. 77–78. ISBN 978-0-12-814906-5.

Worked examples

Example 1 — a first encounter with Kordia algicida

Start with the simplest possible case. Write down what Kordia algicida 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 Kordia algicida 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 Kordia algicida 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 Kordia algicida

In research: Kordia algicida 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 Kordia algicida 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: Kordia algicida is common in secondary-school and first-year university syllabi. It links to neighbouring topics Bacteria described in 2004, Flavobacteria, Flavobacteria stubs, so understanding it makes those chapters shorter.
In everyday life: Look for Kordia algicida 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 Kordia algicida in 20 minutes

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

Frequently asked questions

What is Kordia algicida in simple terms?

Why does Kordia algicida 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 Kordia algicida?

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 Kordia algicida.