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Hildegard Lamfrom

Hildegard Lamfrom is a chemistry 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 Hildegard Lamfrom rather than just read about it. In short: Hildegard Lamfrom was a German-American molecular biologist/biochemist. She helped develop one of the first in-vitro translation systems, using rabbit reticulocyte lysate to study protein synthesis (a process called translation) in a cell-free context.

Key takeaways

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

Reference excerpt

Hildegard Lamfrom was a German-American molecular biologist/biochemist. She helped develop one of the first in-vitro translation systems, using rabbit reticulocyte lysate to study protein synthesis (a process called translation) in a cell-free context. This allowed her to make a number of contributions to the field including providing some of the first direct evidence for the existence of messenger RNA (mRNA) as a protein template, as well as the existence of polyribosomes (aka polysomes) (multiple ribosomes translating on the same mRNA).

Early life and education Lamfrom was born into a Jewish family in Augsburg, Germany, in 1922, the eldest of three sisters (Gertrude (Gert) Boyle and Eva). Her family fled Germany in 1937, when she was 15, and established themselves in Portland, Oregon. Her father, who had owned a shirt factory in Germany bought a small hat and cap company that the family grew into Columbia Sportswear. Her sister Gert Boyle would later run the company and become an entrepreneurial icon, later donating large amounts of money to cancer research in her sister's honor. Hiledgard graduated from Grant High School in Portland. She then attended Reed College and financed her education by working in shipyards as a welder. She earned a BA in biology from Reed and did research on avian malaria with Ralph Macy. She then earned an MA from Oregon State University. She was accepted to Western Reserve (now Case Western Reserve University)'s medical school, but decided to focus on research. She studied the renin system with pathologist Harry Goldblatt at Case Western and earned her PhD in 1949.

Career Lamfrom went with her PhD advisor Harry Goldblatt to Cedars of Lebanon Hospital in Los Angeles. There, she continued to research the renin system for five more years. In 1955 went to study at Copenhagen's Carlsberg Laboratory on an American Heart Association Fellowship, working in Linderstrom-Lang's department. In 1958 she moved to Caltech where she did research with Henry Borsook. Here at Caltech, with Richard Schweet, she was able to help work out an in vitro system for studying hemoglobin synthesis in rabbit reticulocyte lysate. In this research, Hildegard was one of the first investigators to provide experimental evidence for the existence of messenger RNA, an informational molecule that directs the sequence of amino acids generated during protein synthesis. From 1962 to 1965 she continued research on protein synthesis at the MRC Laboratory in Cambridge, England, working with Francis Crick and Sydney Brenner. She then went to work at the Institut de Biologie Physico-Chimique in Paris (1965-1967). She went on to collaborate with her close friend Anand Sarabhai at the Institute of Molecular Biology in Eugene, Oregon from 1967-1970. The pair then researched in UCSD's chemistry department, where they collaborated with John Abelson to study tRNA synthesis. In the 1970's Lamfrom and Sarabhai spent extended periods of time in India and established a research laboratory called Biocenter. The last two years of her career were spent at Harvard Medical School, working with Tom Benjamin studying the involvement of middle T-antigen in tumor induction.

Research The beginning of Lamfrom's career was spent studying the renin-antirenin system with pathologist Harry Goldblatt. She then shifted to studying protein synthesis. Working with Richard Schweet at Caltech, and later with Paul Knopf at MRC, she helped develop one of the first in-vitro translation systems, using rabbit reticulocyte lysate to study protein synthesis (a process called translation) in a cell-free context. This allowed her to make a number of contributions to the field. By mixing components of different animal cells, and showing that sheep ribosomes (protein-making complexes) could make rabbit hemoglobin and vice versa, she provided some of the first direct experimental evidence for the existence of messenger RNA and its role in determining what protein ribosomes make. She also was one of the well as the existence of polyribosomes (aka polysomes) (multiple ribosomes translating on the same mRNA). The last two years of her career were spent at Harvard Medical School, working with Tom Benjamin studying the involvement of middle T-antigen in tumor induction.

Personal life and honors Lamfrom met her life partner, Anand Sarabha, in India. They hosted artisans, leading to unique collaborations. Lamfrom died from a brain tumor after nine months of illness on August 28, 1984, in La Jolla, California. In 2015, Oregon Health & Science University (OHSU) named a biochemistry building in her honor. OHSU's Knight Cancer Institute provides Hildegard Lamfrom Research Scholar Awards to early-stage cancer researchers, with funding from an endowment established by her nephew, Tim Boyle, CEO of Columbia Sportswear, and his wife Mary. In 2010, her sister Gert Boyle gave an anonymous $100 million donation to the school in her sister's honor. Gert, Tim and Mary Boyle, donated $2.5 million to create the Hildegard Lamfrom Endowed Chair in Basic Science at the OHSU Knight Cancer Institute. Hildegard is remembered as an influential mentor to young scientists, including Brian Druker. In 2014, Tim and Mary donated $10 million to the Knight Cancer Institute at Oregon Health & Science University (OHSU) to create a mentorship fund in her honor.

Key publications Lamfrom, Hildegard (1961-06-01). "Factors determining the specificity of hemoglobin synthesized in a cell-free system". Journal of Molecular Biology. 3 (3): 241–252. doi:10.1016/S0022-2836(61)80064-8. ISSN 0022-2836. PMID 13758530.

References

Worked examples

Example 1 — a first encounter with Hildegard Lamfrom

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

In research
Hildegard Lamfrom appears in chemistry 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 Hildegard Lamfrom 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
Hildegard Lamfrom is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1922 births, 1984 deaths, 20th-century American biochemists, so understanding it makes those chapters shorter.
In everyday life
Look for Hildegard Lamfrom 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 Hildegard Lamfrom in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Hildegard Lamfrom means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Hildegard Lamfrom out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Hildegard Lamfrom in simple terms?

Hildegard Lamfrom was a German-American molecular biologist/biochemist. She helped develop one of the first in-vitro translation systems, using rabbit reticulocyte lysate to study protein synthesis (a process called translation) in a cell-free context.

Why does Hildegard Lamfrom matter?

Because it connects several chemistry 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 Hildegard Lamfrom?

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 Hildegard Lamfrom.

Tags

  • 1922 births
  • 1984 deaths
  • 20th-century American biochemists
  • 20th-century American women biochemists
  • 20th-century German biologists
  • 20th-century German chemists
  • 20th-century German women scientists
  • American molecular biologists
  • Carlsberg Laboratory staff
  • Emigrants from Nazi Germany to the United States
  • German biochemists
  • German molecular biologists

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