biology

Siv G. E. Andersson

Siv G. E. Andersson 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 Siv G. E. Andersson rather than just read about it. In short: Siv Gun Elisabeth Andersson (born 1959) is a Swedish evolutionary biologist, professor of molecular evolution at Uppsala University. She is member of both the Royal Swedish Academy of Sciences and of Engineering.

Key takeaways

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

Reference excerpt

Siv Gun Elisabeth Andersson (born 1959) is a Swedish evolutionary biologist, professor of molecular evolution at Uppsala University. She is member of both the Royal Swedish Academy of Sciences and of Engineering. She is also Head of basic research at the Knut and Alice Wallenberg Foundation and has been co-director of the Swedish national center for large-scale research Science for Life Laboratory between 2017 and 2021. Her research focuses on the evolution of bacteria, mainly on intracellular parasites.

Education and career Andersson grew up in Horndal, Dalarna. Her mother was home care assistant and her father was employed in the wood industry. She studied Biology at Uppsala University, since the programme was the only one that had a course about DNA. She defended her PhD in molecular biology in 1990, under the supervision of Charles Kurland. She applied for a postdoctoral stipend from EMBO to continue her research in the United States, but ended up obtaining a research position at the MRC Laboratory of Molecular Biology in Cambridge. She became professor of molecular evolution in 2000, at the Uppsala University's Evolutionary Biology Center. She was elected at the Royal Swedish Academy of Sciences in 2005. Andersson has been very active in developing the Swedish national center for large-scale research Science for Life Laboratory, especially its DNA sequencing and bioinformatics platforms. She served as Co-director for the center between 2017 and 2021. During the 2020 COVID-19 pandemic, she contributed, together with Lars Engstrand and with the financial support of the Knut and Alice Wallenberg Foundation, to establish the first large-scale testing facility in Sweden

Research Andersson's research first focused around the role of codon usage in shaping bacterial genomes. After her postdoctoral fellowship, she contributed to sequence one of the first genome of an obligate intracellular parasite, Rickettsia prowazekii, the causative agent of epidemic typhus. In her later career, her research continued to explore bacteria and their relationships with their different hosts. In particular, she is interested in the genomic consequences of long-term associations of intracellular bacteria. She explored the evolution of Bartonella, Wolbachia, and Planctomycetota, among others. Andersson has published over 200 peer-reviewed articles, and has an h-index of 61, as of 2022.

Notable awards and honors 2000 - Member of the Royal Swedish Academy of Engineering Sciences. 2002 - Letterstedtska prize for very significant investigation, among others for "an article in Nature (1998), which reports the whole genome sequence of the intracellular parasite Rickettsia prowazekii". 2004 - Member of EMBO. 2005 - Member of the Royal Swedish Academy of Sciences, number 1514, in the class Biological Sciences. 2005 - Göran Gustafsson Prize in molecular biology. 2005 - Grant for "excellent research" from the Swedish Research Council of SEK 44 millions (together with Hans Ellegren). 2009 - President of the European Society for Evolutionary Biology (2009-2011). 2011 - Wallenberg Scholar. 2017 - Extension of Knut and Alice Wallenberg Foundation of SEK 75 millions (together with Gunnar von Heijne).

References

Worked examples

Example 1 — a first encounter with Siv G. E. Andersson

Start with the simplest possible case. Write down what Siv G. E. Andersson 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 Siv G. E. Andersson 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 Siv G. E. Andersson 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 Siv G. E. Andersson

In research: Siv G. E. Andersson 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 Siv G. E. Andersson 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: Siv G. E. Andersson is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1959 births, Academic staff of Uppsala University, Evolutionary biologists, so understanding it makes those chapters shorter.
In everyday life: Look for Siv G. E. Andersson 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 Siv G. E. Andersson in 20 minutes

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

Frequently asked questions

What is Siv G. E. Andersson in simple terms?

Why does Siv G. E. Andersson 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 Siv G. E. Andersson?

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 Siv G. E. Andersson.