biology

Julia Vorholt

Julia Vorholt 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 Julia Vorholt rather than just read about it. In short: Julia A. Vorholt (born September 15, 1969) is a German microbiologist who is a full professor of microbiology at ETH Zurich and an elected member of the German Academy of Sciences Leopoldina.

Key takeaways

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

Reference excerpt

Julia A. Vorholt (born September 15, 1969) is a German microbiologist who is a full professor of microbiology at ETH Zurich and an elected member of the German Academy of Sciences Leopoldina.

Biography She earned her PhD in 1997 under professor Rudolf K. Thauer at the Max Planck Institute for Terrestrial Microbiology, for which she was awarded the Otto Hahn Medal, and is a German national residing in Switzerland. Following her Ph.D., she was a postdoctoral researcher with Mary Lidstrom at the University of Washington. She is a member of the European Academy of Microbiology (EAM).

Research Current projects of the Vorholt lab at ETH Zurich include:

Phyllosphere microbiology: Characterizing and understanding standing microbial communities on above-ground plant surfaces, and their impact on plant health and productivity. Metabolism of one-carbon compounds: The bacterial pathways that allow growth on single carbon compounds, especially methane and methanol. Bacterial stress response: Pathways and regulation of mechanisms involved in bacterial stress response. Single cell technologies: Development of microfluidics, in particular FluidFM, single cell force spectroscopy, and other techniques to gather data and manipulate individual cells. In addition, work from her lab was significant in refuting previous claims by NASA scientists that the arsenic-tolerant bacteria GFAJ-1 could utilize arsenic instead of phosphorus in DNA and other essential biomolecules.

Selected publications As of 2013 she had 90 publications, and as of 2015 her work has been cited approximately 4100 times.

Chistoserdova L, Vorholt JA, Thauer RK, Lidstrom ME (1998). "C1 transfer enzymes and coenzymes linking methylotrophic bacteria and methanogenic Archaea". Science. 281 (5373): 99–102. doi:10.1126/science.281.5373.99. PMID 9651254. Delmotte N, Knief C, Chaffron S, Innerebner G, Roschitzki B, et al. (2009). "Community proteogenomics reveals insights into the physiology of phyllosphere bacteria" (PDF). Proceedings of the National Academy of Sciences USA. 106 (38): 16428–16433. Bibcode:2009PNAS..10616428D. doi:10.1073/pnas.0905240106. PMC 2738620. PMID 19805315. Vorholt, Julia A. (2012). "Microbial life in the phyllosphere". Nature Reviews Microbiology. 10 (12): 828–840. doi:10.1038/nrmicro2910. hdl:20.500.11850/59727. PMID 23154261. S2CID 10447146. Elias M, Wellner A, Goldin-Azulay K, Chabriere E, Vorholt JA, Erb TJ, Tawfik DS (2012). "The molecular basis of phosphate discrimination in arsenate rich environments". Nature. 491 (7422): 134–137. Bibcode:2012Natur.491..134E. doi:10.1038/nature11517. PMID 23034649. S2CID 205230854. Campagne S, Damberger FF, Kaczmarczyk A, Francez-Charlot A, Allain FH, Vorholt JA (2012). "Structural basis for sigma factor mimicry in the general stress response of Alphaproteobacteria". Proceedings of the National Academy of Sciences USA. 109 (21): E1405-14. doi:10.1073/pnas.1117003109. PMC 3361459. PMID 22550171.

References

External links Julia Vorholt publications indexed by Google Scholar

Illustrations

Worked examples

Example 1 — a first encounter with Julia Vorholt

Start with the simplest possible case. Write down what Julia Vorholt 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 Julia Vorholt 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 Julia Vorholt 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 Julia Vorholt

In research: Julia Vorholt 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 Julia Vorholt 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: Julia Vorholt is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1969 births, Academic staff of ETH Zurich, German biologist stubs, so understanding it makes those chapters shorter.
In everyday life: Look for Julia Vorholt 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 Julia Vorholt in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Julia Vorholt 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.
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Frequently asked questions

What is Julia Vorholt in simple terms?

Julia A. Vorholt (born September 15, 1969) is a German microbiologist who is a full professor of microbiology at ETH Zurich and an elected member of the German Academy of Sciences Leopoldina.

Why does Julia Vorholt 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 Julia Vorholt?

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 Julia Vorholt.