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astronomy

John Sulston

John Sulston is a astronomy 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 John Sulston rather than just read about it. In short: Sir John Edward Sulston (27 March 1942 – 6 March 2018) was a British biologist and academic who won the Nobel Prize in Physiology or Medicine for his work on the cell lineage and genome of the worm Caenorhabditis elegans in 2002 with his colleagues Sydney Brenner and Robert Horvitz at the MRC Laboratory of Molecular Biology. He was a leader in human genome research and Chair of the Institute for Science, Ethics and…

John Sulston — main illustration
John Sulston — illustration

Key takeaways

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

Reference excerpt

Sir John Edward Sulston (27 March 1942 – 6 March 2018) was a British biologist and academic who won the Nobel Prize in Physiology or Medicine for his work on the cell lineage and genome of the worm Caenorhabditis elegans in 2002 with his colleagues Sydney Brenner and Robert Horvitz at the MRC Laboratory of Molecular Biology. He was a leader in human genome research and Chair of the Institute for Science, Ethics and Innovation at the University of Manchester. Sulston was in favour of science in the public interest, such as free public access of scientific information and against the patenting of genes and the privatisation of genetic technologies.

Early life and education Sulston was born in Fulmer, Buckinghamshire, England to Arthur Edward Aubrey Sulston and Josephine Muriel Frearson, née Blocksidge. His father was an Anglican priest and administrator of the Society for the Propagation of the Gospel. His mother quit her job as an English teacher at Watford Grammar School, to care for him and his sister Madeleine. and home-tutored them until he was five. At age five he entered the local preparatory school, York House School, where he soon developed an aversion to games. He developed an early interest in science, having fun with dissecting animals and sectioning plants to observe their structure and function. Sulston won a scholarship to Merchant Taylors' School, Northwood and then to Pembroke College, Cambridge graduating in 1963 with a Bachelor of Arts degree in Natural Sciences (Chemistry). He joined the Department of Chemistry, University of Cambridge, after being interviewed by Alexander Todd and was awarded his PhD in 1966 for research in nucleotide chemistry.

Career Between 1966 and 1969 he worked as a postdoctoral researcher at the Salk Institute for Biological Studies in La Jolla, California. His academic advisor Colin Reese had arranged for him to work with Leslie Orgel, who would turn his scientific career onto a different pathway. Orgel introduced him to Francis Crick and Sydney Brenner, who worked in Cambridge. He became inclined to biological research. Although Orgel wanted Sulston to remain with him, Sydney Brenner persuaded Sulston to return to Cambridge to work on the neurobiology of Caenorhabditis elegans at the Medical Research Council (MRC) Laboratory of Molecular Biology (LMB). Sulston soon produced the complete map of the worm's neurons. He continued work on its DNA and subsequently the whole genome sequencing. In 1998, the whole genome sequence was published in collaboration with the Genome Institute at Washington University in St. Louis, so that C. elegans became the first animal to have its complete genome sequenced. Sulston played a central role in both the C. elegans and human genome sequencing projects. He had argued successfully for the sequencing of C. elegans to show that large-scale genome sequencing projects were feasible. As sequencing of the worm genome proceeded, the Human Genome Project began. At this point he was made director of the newly established Sanger Centre (named after Fred Sanger), located in Cambridgeshire, England. In 2000, after the 'working draft' of the human genome sequence was completed, Sulston retired from directing the Sanger Centre. With Georgina Ferry, he narrated his research career leading to the human genome sequence in The Common Thread: A Story of Science, Politics, Ethics, and the Human Genome (2002).

Awards and honours Sulston was elected a Fellow of the Royal Society (FRS) in 1986. His certificate of election reads: John Sulston is distinguished for his work on the molecular and developmental genetics of Caenorhabditis elegans. His initial research was in the field of chemical synthesis of oligonucleotides. Sulston began his work on C. elegans in 1974 characterising its DNA. Since then he has carried out a wide range of genetical and developmental studies on the nematode but his major research has been on the developmental lineage and mutations that affect it. In a series of studies, culminating in a paper published in 1983, Sulston has analysed and described the total cell lineage of the nematode making it the first organism for which the origin of every cell is exactly known. This work is the basis for the study of mutations affecting lineages and is the foundation on which detailed studies of development in this organism will be based. Sulston has now turned his attention to an analysis of the genome of C. elegans and was constructing a total physical map using a novel method of analysing cloned DNA fragments. He was elected an EMBO Member in 1989 and awarded the George W. Beadle Award in 2000. In 2001 Sulston gave the Royal Institution Christmas Lectures on The Secrets of Life. In 2002, he won the Dan David Prize and the Robert Burns Humanitarian Award. Later, he shared the Nobel Prize in Physiology or Medicine with Sydney Brenner and Robert Horvitz, both of whom he had collaborated with at the MRC Laboratory of Molecular Biology (LMB), for their discoveries concerning 'genetic regulation of organ development and programmed cell death'. One of Sulston's most important contributions during his research years at the LMB was to elucidate the precise order in which cells in C. elegans divide. In fact, he and his team succeeded in tracing the nematode's entire embryonic cell lineage. In 2004, Sulston received the Golden Plate Award of the American Academy of Achievement. In 2006, he was awarded the George Dawson Prize in Genetics by Trinity College Dublin. In 2013, Sulston was awarded the Royal Society of New Zealand's Rutherford Memorial Lecture, which he gave on the subject of population pressure. He was appointed a Member of the Order of the Companions of Honour (CH) in the 2017 Birthday Honours for services to science and society. On 23 October 2017 he was awarded the Cambridge Chemistry Alumni Medal. Sulston was a leading campaigner against the patenting of human genetic information.

Personal life

… excerpt ends here. Continue reading the full article.

Illustrations

John Sulston illustration
John Sulston: The Sulston Laboratories of the Wellcome Trust Sanger Institute are named in Sulston's honour.
The Sulston Laboratories of the Wellcome Trust Sanger Institute are named in Sulston's honour.

Worked examples

Example 1 — a first encounter with John Sulston

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

In research
John Sulston appears in astronomy 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 John Sulston 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
John Sulston is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1942 births, 2018 deaths, Academics of the University of Cambridge, so understanding it makes those chapters shorter.
In everyday life
Look for John Sulston 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 John Sulston in 20 minutes

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

Frequently asked questions

What is John Sulston in simple terms?

Sir John Edward Sulston (27 March 1942 – 6 March 2018) was a British biologist and academic who won the Nobel Prize in Physiology or Medicine for his work on the cell lineage and genome of the worm Caenorhabditis elegans in 2002 with his colleagues Sydney Brenner and Robert Horvitz at the MRC Labor…

Why does John Sulston matter?

Because it connects several astronomy 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 John Sulston?

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 John Sulston.

Tags

  • 1942 births
  • 2018 deaths
  • Academics of the University of Cambridge
  • Academics of the University of Manchester
  • Alumni of Pembroke College, Cambridge
  • British Nobel laureates
  • British fellows of the Royal Society
  • British humanists
  • Caenorhabditis elegans
  • English Nobel laureates
  • English atheists
  • English former Christians

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