User:NKuldell/Q/A working page 2

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Many revisions as of 05.17.06. Those in need of most work are in blue .

Part 1: Defining the field and its capabilities

Question: How is synthetic biology different from existing, related fields like genetic engineering and metabolic engineering?

In some ways, it's no different. People have been modifying genetic material for much of recorded history via breeding and genetic crosses. With the advent of recombinant DNA technology, more methodical combination of DNA segments became possible. Today, genomic data is available for many of the planet's organisms AND technologies exist to make the genetic material from scratch. These two technologies of sequencing and synthesis are key enabling technologies of synthetic biology. Traditionally, genetic engineering has been focused on making relatively small changes to biological systems: introducing a new gene into an organism, for instance. An illustrative example is that of improved insulin production through genetically engineering bacterial cells to express the human gene for that protein. By contrast, synthetic biology seeks to start from a "blank slate" and ask, what can we make? Thus, instead of perturbing existing systems and organisms, synthetic biologists attempt to construct new ones. Metabolic engineering can be thought of as a specialization of synthetic biology for the purpose of retooling cellular metabolism for human purposes. Synthetic biology also has applications in other areas like materials fabrication, energy production, information processing and more.

It is important to note that there are different synthetic biology groups pursuing distinct agendas. Some go after applications. For example, Jay Keasling and colleagues at UC Berkeley have worked to engineer yeast to produce the antimalarial artemisinin cheaply. It is difficult to distinguish synthetic biology groups with application goals from groups working in a field such as genetic engineering. One distinguishing characteristic is that the current synthetic biology application projects have access to more information and technology, allowing them to tackle bigger problems in a more informed way.

Others in synthetic biology pursue foundational, enabling technologies (like Drew Endy's or Tom Knight's research groups at MIT). The goal of these foundational groups is to standardize the engineering of biology to make it more predictable. These groups borrow concepts from traditional engineering disciplines to enable the construction of multi-component biological systems using reusable and standard biological parts. The belief of these foundational groups is that in the long run, this standardized, less ad hoc approach to engineering biology will become the accepted approach to tackling any given application.

Despite the diverse agendas within the synthetic biology community, points of agreement can be found. These include the belief that there is enormous potential of biology as a substrate for engineering, that biological engineering is hard and that it must be pursued in a thoughtful and responsible fashion.

Question: Is there an expert review of the nature and potential benefits and risks of synthetic biology?

Here are some ideas:

• Tucker & Zilinskas, The New Atlantis, Spring 2006 link
• Synthetic Biologists face up to security risks Nature 436, 894-895 (18 Aug 2005) News File:Presentation material-synthbiolrisks Nat05.pdf
• Custom-Made Microbes, at Your Service by A Pollack NYT Science section January 17, 2006 link
• From Understanding to Action: Community-Based Options for Improving Safety and Security in Synthetic Biology, Stephen M. Maurer, Keith V. Lucas & Starr Terrell, Goldman School of Public Policy, University of California at Berkeley PDF link
• Draft Declaration of the Second International Meeting on Synthetic Biology, Attendees of SB2.0, University of California at Berkeley, May 2006. pdf article

Question: What questions or applications are being addressed by synthetic biology that aren't being explored or built using other technologies?

Some synthetic biologists are combining genomic information and synthesis technologies to re-write the genetic code from living creatures. Just as computer programmers might want to re-write the code for your PC, these synthetic biologists annotate their changes to the genetic program of the system they are studying with the hope that each element of code may be more manipulable and human-readable. Successes on this frontier include refactoring T7 [1], two genomes in one cell [2] and characterization of a minimal E. coli genome [3]. Other successful efforts in synthetic biology involve metabolic engineering of simple organisms like bacteria or yeast, enabling future production of therapeutics or compounds whose natural reservoirs are in short supply. A recent noteable success in this effort is production of artemisinic acid in yeast [4], an achievement that may allow cheap and clean production of this precursor for an antimalarial drug. Finally, synthetic biology can provide a framework for discovery-driven biologists who might like to test their existing models by building them from the ground up. These efforts are reminiscent of those in chemical engineering, where the step-wise synthesis of a novel chemical compound is used to convincingly demonstrate a complete understanding of its chemistry. Along these lines, synthetic biologists have recently published a framework for characterizing interactions of novel synthetic protein dimerization domains [5] and have applied this framework to determine dimerization specificity. Other efforts are focused on trying to construct chemical systems capable of evolution to study the fundamental properties of life [6].

1. Chan LY, Kosuri S, and Endy D. Refactoring bacteriophage T7. Mol Syst Biol. 2005;1:2005.0018. DOI:10.1038/msb4100025 |
2. Itaya M, Tsuge K, Koizumi M, and Fujita K. Combining two genomes in one cell: stable cloning of the Synechocystis PCC6803 genome in the Bacillus subtilis 168 genome. Proc Natl Acad Sci U S A. 2005 Nov 1;102(44):15971-6. DOI:10.1073/pnas.0503868102 |
3. Pósfai G, Plunkett G 3rd, Fehér T, Frisch D, Keil GM, Umenhoffer K, Kolisnychenko V, Stahl B, Sharma SS, de Arruda M, Burland V, Harcum SW, and Blattner FR. Emergent properties of reduced-genome Escherichia coli. Science. 2006 May 19;312(5776):1044-6. DOI:10.1126/science.1126439 |
4. Ro DK, Paradise EM, Ouellet M, Fisher KJ, Newman KL, Ndungu JM, Ho KA, Eachus RA, Ham TS, Kirby J, Chang MC, Withers ST, Shiba Y, Sarpong R, and Keasling JD. Production of the antimalarial drug precursor artemisinic acid in engineered yeast. Nature. 2006 Apr 13;440(7086):940-3. DOI:10.1038/nature04640 |
5. Giesecke AV, Fang R, and Joung JK. Synthetic protein-protein interaction domains created by shuffling Cys2His2 zinc-fingers. Mol Syst Biol. 2006;2:2006.2011. DOI:10.1038/msb4100053 |
6. Chen IA, Salehi-Ashtiani K, and Szostak JW. RNA catalysis in model protocell vesicles. J Am Chem Soc. 2005 Sep 28;127(38):13213-9. DOI:10.1021/ja051784p |

Question: Why is biology so hard to engineer now?

this seems most similar to runner up question "impediments to progress". this may or may not be relevant for Q/A series devoted to social implications of the field. worth considering further...-NK

I think it is important to understanding the "why" of syn bio - JB.

Biology has several features that are difficult or lacking in other engineering mediums including

1. Biological systems can manufacture materials and chemicals fast, on very small or very large scales, with minimal toxic byproducts and under gentle reaction conditions
2. Biological systems can evolve.
3. Most importantly, biological organisms can self-replicate.

Genomic DNA sequences have been described as the programs that run biological machines, analogous to the computer programs that run PCs. Reading and interpreting DNA sequence (strings of A's,T's,G's and C's) is just as challenging as reading and interpreting binary code (strings of 0's and 1's). Imagine that someone has given you a printout of the binary code for the Microsoft Windows operating system (without telling you what it is) and asks you what the program does. It would be an incredibly difficult question to answer. Similarly, understanding DNA sequence information is also challenging. In fact, it is an even more difficult problem because at least Microsoft Windows was written by humans in a reasonably rational way. DNA sequences were written by evolution and so our ability to understand them is limited for now. Synthetic biology seeks to take the next step and actually "write new code" so to speak. Thus, given our lack of understanding of naturally occuring DNA code, it is not surprising that synthetic biology poses a challenge currently.

Additionally, existing descriptions of basic cellular activities do not allow the activities to be predictably combined in novel and re-useable ways. Certainly the behavior of cells is guided by laws of the natural world (physics, inheritance etc.) but biology continues to surprise those who study it. And while surprises may be exciting for scientists, they constrain the activities of engineers who might like to reliably build with biological parts. Thus an important effort in synthetic biology aims to develop improved foundational technologies for reusing genetic elements. If successful, biological engineers might work with the confidence enjoyed by other engineering disciplines who don't, for example, need to build a bridge to know if it will fall down. Furthermore, once tamed, the features that make the engineering of biological systems difficult may yield novel systems capable of operations and behaviors not achievable by other engineering methods.

The difficulties facing those who wish to engineer biology are concisely described by Endy [7] and Knight [8].

7. Endy D. Foundations for engineering biology. Nature. 2005 Nov 24;438(7067):449-53. DOI:10.1038/nature04342 |
8. Knight TF. Engineering novel life. Mol Syst Biol. 2005;1:2005.0020. DOI:10.1038/msb4100028 |

Question: Some people may foresee a day when synthetic biology can build complex organisms from basic biological materials. Can simple viruses and primitive life forms already now be synthesized?

delete this Q/A?...it seems outside of implications and directions stream--NK

N is correct, but I pesonally like this question since it gives a general idea of what the current state of the art is - does another question answer this more directly? - JB

Viruses have been synthesized. Life forms, not yet. For example, in 2002 Cello, Paul and Wimmer reported the successful de novo synthesis of poliovirus [9], assembling from raw chemicals an agent that could infect mice, although it required a whopping dose relative to the natural virus that leads to infection. The authors described their efforts as “fueled by a strong curiosity about the minute particles that we can view both as chemicals and as “living” entities.” Other examples of de novo synthesis of viruses are the phiX174 bacteriophage reported in 2003 [10] and human influenza in 2005[11]. Noteworthy are the speed with which these viruses could be made, a mere two weeks from raw chemicals to infectious bacteriophage in 2003, as well as the technology’s potential for synthesizing agents to harm rather than study nature [12].

Since viruses replicate only in living hosts, they are not themselves alive. A minimal life form would require self-replicating nucleic acids and a synthetic chassis in which to house them. A front-runner for the former is RNA with catalytic activity, including self-replication as described in 2001 [13]. For the latter, lab built membrane vesicles to encapsulate RNA were described in 2005 [6], but these assemble only through directed manipulations of experimental conditions. Thus, it seems efforts to enclose self-replicating nucleic acids in some spontaneously assembling bubble are underway but, to date, only components of a lab-generated living cell have been reported (http://www.pbs.org/wgbh/nova/sciencenow/3214/01.html)

6. Chen IA, Salehi-Ashtiani K, and Szostak JW. RNA catalysis in model protocell vesicles. J Am Chem Soc. 2005 Sep 28;127(38):13213-9. DOI:10.1021/ja051784p |
9. Cello J, Paul AV, and Wimmer E. Chemical synthesis of poliovirus cDNA: generation of infectious virus in the absence of natural template. Science. 2002 Aug 9;297(5583):1016-8. DOI:10.1126/science.1072266 |
10. Smith HO, Hutchison CA 3rd, Pfannkoch C, and Venter JC. Generating a synthetic genome by whole genome assembly: phiX174 bacteriophage from synthetic oligonucleotides. Proc Natl Acad Sci U S A. 2003 Dec 23;100(26):15440-5. DOI:10.1073/pnas.2237126100 |
11. Tumpey TM, Basler CF, Aguilar PV, Zeng H, Solórzano A, Swayne DE, Cox NJ, Katz JM, Taubenberger JK, Palese P, and García-Sastre A. Characterization of the reconstructed 1918 Spanish influenza pandemic virus. Science. 2005 Oct 7;310(5745):77-80. DOI:10.1126/science.1119392 |
12. van Aken J. Risks of resurrecting 1918 flu virus outweigh benefits. Nature. 2006 Jan 19;439(7074):266. DOI:10.1038/439266a |
13. Johnston WK, Unrau PJ, Lawrence MS, Glasner ME, and Bartel DP. RNA-catalyzed RNA polymerization: accurate and general RNA-templated primer extension. Science. 2001 May 18;292(5520):1319-25. DOI:10.1126/science.1060786 |

Question: How quickly is the field moving towards its goals?

• can this be answered factually?--NK

Maybe split into the following 2 questions or reword - ===Question: What have been the major developments in SB? (f0r a timeline of past developments) ===Question: What are the major near and long term research objectives in SB?

Can you list major milestones/breakthroughs and current research here to give an idea of the pace of progress? - JB

Part 2: Defining the community

Question: What is the nature of the synthetic biology community?

alternatively phrased question: What is the nature of the SB community? thought this presumes an established community not necessarily - could say "The community currently consists of several ad hoc groups, such as ___, ____, and ____." or something like that. It is just as important (to me) to communicate whether or not the community is established, and if so in what form as to describe who is doing the work. The level of community will indicate how well potential self regulation may work - if there are multiple groups that do not play well together it is unlikely that the community will be able to get them all to agree to and abide by a common standard for safety, security, ethics, etc. - JB

• Approaches for answering:
  • estimates of numerical strength (both commercial and academic)
  • international distribution?
  • how are they funded?
  • Maybe we should also describe the typical backgrounds of those working in SB? Biologists, electrical engineers, computer scientists etc.

As an approach to answering this question we may want to search for meeting attendance numbers, SB departments, jobs that use SB in description, number of papers published with SB in title or abstract and where investigators are housed. As important as who is doing the work today is who will be doing the work tomorrow, so we may want to cite iGEM growth--NK

Other ideas?

Presumably the SB 2.0 organizers could also give us data on the deparmental affiliations of the conference attendees?

At least in the case of SB1.0, we had a reasonably tight privacy policy that would preclude us from making this information available. Regardless, given the new nature of the field, I think that departmental affiliations might not tell us that much (just because an individual is interested in the field, doesn't mean their dept is).

Like most emerging research fields, the synthetic biology community is loosely defined with no single unified voice. Members of the community span both industry and academia (although the latter likely outnumbers the former right now). Two conferences in the field have been held (Synthetic Biology 1.0 at MIT and Synthetic Biology 2.0 at UC Berkeley) each with approximately 300 participants. These two conferences constitute the most significant events that brought together the community.

Yet in some ways the synthetic biology is quite organized given that it is in its early stages. For instance,

1. A community website exists that can be edited and revised by anyone in the field.
2. The Registry of Standard Biological Parts enables people to contribute and obtain parts.
3. There are community mailing lists on which open discussion of issues related to the field can occur.
4. A public declaration is being discussed and prepared from Synthetic Biology 2.0 conference.
5. UC Berkeley is archiving their synthetic biology seminar series online.

One measure of the growth of the field is the international Genetically Engineered Machines competition or iGEM. iGEM is a competition in which teams of students from various universities compete to design, build and test an engineered biological system from standard biological parts. iGEM has its roots in a class held at MIT in January 2003 with ~20 students. It then expanded to an intercollegiate competition in 2004 between five U.S. schools. Currently, in 2006, there are ~39 universities and ~400 participants from across the world (see map).

Question: Who speaks for the field?

There is no single spokesperson. This question presumes a defined and mature community and opens the opportunity for those of us answering to list ongoing activities to build community.

It seems that even if the community is not well defined or mature that there will be a few people who come forth as spokepersons, whether they represent others or not. This question would give novices/interested parties an idea of who is making public statements and could also point them towards other sources of info/people who may not be publicly represented. This would be especially important if there are one or two outspoken scientists who do not represent the majority of research, but happen to get quoted for every newspaper article. It will also point reporters in the direction of whom to interview - JB

Looking at the authors of recent review articles might help.

14. Andrianantoandro E, Basu S, Karig DK, and Weiss R. Synthetic biology: new engineering rules for an emerging discipline. Mol Syst Biol. 2006;2:2006.0028. DOI:10.1038/msb4100073 |
15. Sprinzak D and Elowitz MB. Reconstruction of genetic circuits. Nature. 2005 Nov 24;438(7067):443-8. DOI:10.1038/nature04335 |
16. McDaniel R and Weiss R. Advances in synthetic biology: on the path from prototypes to applications. Curr Opin Biotechnol. 2005 Aug;16(4):476-83. DOI:10.1016/j.copbio.2005.07.002 |
17. Isaacs FJ, Dwyer DJ, and Collins JJ. RNA synthetic biology. Nat Biotechnol. 2006 May;24(5):545-54. DOI:10.1038/nbt1208 |
18. Bio FAB Group, Baker D, Church G, Collins J, Endy D, Jacobson J, Keasling J, Modrich P, Smolke C, and Weiss R. Engineering life: building a fab for biology. Sci Am. 2006 Jun;294(6):44-51. DOI:10.1038/scientificamerican0606-44 |
19. Endy D. Foundations for engineering biology. Nature. 2005 Nov 24;438(7067):449-53. DOI:10.1038/nature04342 |
20. Voigt CA and Keasling JD. Programming cellular function. Nat Chem Biol. 2005 Nov;1(6):304-7. DOI:10.1038/nchembio1105-304 |

Another option is speaker or organizer lists for SB1.0 and SB2.0.

SB1.0:

• Organizers
• Speakers

SB2.0:

• Organizers: Berkeley Lab, MIT, UC Berkeley, and UCSF
• Speakers

Part 3: Possible future benefits of synthetic biology

organizational note on this section: though it's not an easy task, it would be ideal to balance benefits listed in this section (i.e., # of questions, importance of answers) with material offered in the "risk" section and with that provided in the "defining the field" section, to avoid leaving an anti-technology impression and to avoid looking narcissistic, respectively.

Question: What are the perceived benefits of synthetic biology?

Given Synthetic Biology's wide scope for engineering biological systems, the potential application space of synthetic biology is similarly enormous. Novel medical applications, environmental remediation, energy production and biomaterials synthesis may all be approachable through synthetic biology. In the future, cells may be quickly and predictably programmed to meet these and other discrete engineering goals. Synthetic biology may also benefit traditional biologists in their efforts to understand the natural world since these investigators may more easily test existing models of natural systems by building them from the ground up. Additionally, synthetic biology presents opportunities for synthetic chemists since cells may be considered self-replicating bags of interesting chemicals. Thus synthetic biology may enable the synthesis of novel chemical species under environmentally-gentle conditions.

Question: Who is investing in this and what do they see as the pay-off?

Currently much of the investment in the field is from the venture capital community into startup companies (e.g. Codon Devices). Codon Devices' goals are "in the short term, product opportunities include comprehensive sets of biological parts for large-scale research projects, engineered cells that produce novel pharmaceuticals, engineered protein biotherapeutics, and novel biosensor devices. In the longer term, the company's core technology is expected to enable improved vaccines, agricultural products, and biorefineries for the production of industrial chemicals and energy." [1] Synthetic Genomics, Inc., another startup by J. Craig Venter, believes "there are potentially limitless applications for synthetic biology/genomics, everything from energy to chemicals to pharmaceuticals. In the near-term, we think that synthetic genomics has applications in the areas of cleaner and more efficient energy production, specifically in the production of ethanol and hydrogen." [2]

The European Union has also made research in the field of synthetic biology a priority with specific funding initiatives. pdf The purpose of this funding is to stimulate science and technology research in the EU. The nonprofit Bill and Melinda Gates Foundation has made significant investment in efforts by Jay Keasling and colleagues in synthesizing large quantities of the antimalarial artemisin . Their motivation is to solve critical world health problems. [3].

Thus the groups interested in synthetic biology span industry, government and nonprofit organizations. Each see a wealth of potential in the field but are interested in different application areas.

Question: Why would someone invest in this area as opposed to more traditional genetic engineering efforts?

delete this Q/A?...it seems redundant with "benefits" question above, although there is a place for repetition in this kind of format--NK Agree - seems redundant and could be eliminated - JB
Maybe to take advantage of the benefits of redundancy in the Q&A format, we could just reference the relevant answers for questions such as this--BC?

See Q3.1 and Q1.1.

Question: How can synthetic biology contribute to human health?

This could list research in these areas, or the potential for such research if basic hurdles are overcome. JB

A recent achievement in the field of synthetic biology for the purposes of human health is the recent report by Jay Keasling and colleagues at UC Berkeley and Amyris Biotechnologies regarding the microbial production of the antimalarial drug precursor artemisinic acid. This breakthrough is key to reducing the cost of this highly effective drug against malaria to a point where it is affordable to the 100 million people that die each year from malaria ([4], Amyris Biotechnologies press release). Thus, synthetic biology offers the promise of synthesizing drugs cheaply and in an environmentally-friendly manner.

A longer term goal of synthetic biology is to potentially develop new kinds of therapeutics. For instance, Chris Voigt and colleagues at UCSF report the controlled invasion of cancer cells by engineered bacteria. These engineered bacteria are designed to sense environmental conditions associated with tumors and invade those cancer cells. One can imagine that such bacteria can eventually be engineered to selectively deliver drugs to and destroy the tumor itself. Such programmable behavior in living cells is a hallmark of synthetic biology.

4. Ro DK, Paradise EM, Ouellet M, Fisher KJ, Newman KL, Ndungu JM, Ho KA, Eachus RA, Ham TS, Kirby J, Chang MC, Withers ST, Shiba Y, Sarpong R, and Keasling JD. Production of the antimalarial drug precursor artemisinic acid in engineered yeast. Nature. 2006 Apr 13;440(7086):940-3. DOI:10.1038/nature04640 |
21. Anderson JC, Clarke EJ, Arkin AP, and Voigt CA. Environmentally controlled invasion of cancer cells by engineered bacteria. J Mol Biol. 2006 Jan 27;355(4):619-27. DOI:10.1016/j.jmb.2005.10.076 |

Question: Is it hoped that SB will lead to new ways of “manufacturing” chemical entities that are now scarce or unavailable?

Is insulin an example here?? JB

Question: What other classes of benefits are foreseen?

• note that these last three questions may be place holders for other benefits questions

Maybe reword as "How can DB improve ______?" where the ___ = manufacturing of drugs/medicines, chemicals, tissues, etc. JB

Part 4: Possible future risks of synthetic biology

NOTE: still under heavy construction I've brought all the questions of safeguards under this tent, since it might help balance the sky-is-falling feeling of this cluster. But perhaps the safeguard questions may be better placed under public perception or even community. Input? --NK

Question: Does synthetic biology bring with it new risks not associated with existing, related fields?

Could we more simply state this question as: does synthetic biology bring with it risks not associated with existing, related fields)--NK N - I like your wording - much clearer JB

The risks and rewards of synthetic biology are likely different from existing fields like genetic engineering and metabolic engineering. If synthetic biology is wildly successful then one can imagine a time when "garage inventors" could build something with biological materials. Genetic engineering, as it’s currently performed, requires substantial technical understanding of the project and access to specialized resources such as a laboratory and reagents. In the future, novel biological systems may be built with limited know-how, on a minimal budget and with no requirement for a specialized facility. It will be easy and cheap to make something not seen in nature, which means it could be done by folks who haven’t had the technology of genetic engineering at their disposal. Such democratization of biological engineering necessarily brings with it both the possibilities of a great number of useful applications as well as risks from accidental or intentional misuses. Understanding that Synthetic Biology brings with it new risks and rewards, one of the key missions of the nascent synthetic biological community is to forge a culture in which biological engineering happens responsibly.

Question: What federal program[s] has responsibility for synthetic biology safety assurance?

This is an important question - who has jurisdiction, and are they currently conducting any type of oversight?? A related question is - do they have the expertise and information to properly conduct oversight/regulation? JB

• or related question....

Question: What are the existing barriers to the risk of potentially harmful synthetic biology products?

• answer should included mention of barriers in place to regulate research labs and commercial fabricators. Could also bring in surveillance ideas to monitor SB biohackers and any means of restricting products from overtly malicious agents (if there is evidence for this). As a correlary (or maybe as the lead line) can describe how community of openess and dialog (i.e. the “ethos” of current researchers) acts to anticipate and root out potential risk.

Question: Are the safeguards established to regulate/oversee genetic engineering seen as working well?

• this question can be rephrased to sound less opinion driven but seems important to include somehow as it allows us to include the fact that leadership in the research community helped setup safeguards that have successfully lowered risks from release of genetically altered organisms and accidental release of harmful ones. Can also include future SB plan for release of documentation if accidental release occurs.

Question: Is there evidence of interest in synthetic biology capabilities in the part of terrorists?

• this question is posed from the view that those who are charged to limit the threat of terrorism may set their priorities based on hurdles that potential terrorists face in deploying destructive technologies. For example they may weigh the amount of scientific and technical know how required, the availability of expensive or controlled materials, danger to the miscreants themselves etc. Given that synthetic biology works to lower such barriers, it seems ripe for abuse but is there evidence that for such misappropriation of the technology. As part of the answer may want to explicitly describe what hurdles exist for the abuse of synthetic technologies by terrorists? as a start "DNA on demand significantly lowers barriers to potentially dangerous substances in the hands of miscreants. DNA synthesis companies have a record of synthesis orders but it’s not clear how or if that information would be shared. Most companies check sequence requests to look for ones that might encode dangerous substances and the companies can refuse to synthesize such DNA."

Question: Is biohacking possible?

• Existing approaches to answering this question include the idea that SB is sometimes presented as a special form of information processing technology…a program written for assembly of organisms or parts of organisms. This leads to the question: is it significantly more difficult for “biohackers” to cause mischief that those who wish for whatever reason to set loose the biological counterpart of a computer virus into the human environment?

Another part of this answer has been that right now SB is incredibly hard. Very little works as predicted and there are only a few interchangeable parts to play with. But with time and success both these statements will be false and then hackers will have plenty to use for mischief. It might be best understood by thinking about computer operating systems and computer viruses. No computer viruses were written until lots of folks had their own computers and there were programs to attack and damage to be done.

Part 5: Social implications and public attitudes

Note: still under heavy construction

Question: Is the synthetic biology community seen as part of the genetic engineering community?

• this is a question that tries to calibrate public confidence (Q15) by asking if misgivings or trust can be infered from those surrounding genetic engineering. As indicated in the lack of public controversy over the implementation of genetically engineering safeguards and the open release of GMO products, the public has some level of confidence in those who are doing that work. Is the SB community effectively part of the same community?

I'm a little unclear on the intent of this question, specifically the use of the work community rather than, for example, research agenda. Additionally, who is doing the seeing? Could it be rephrased as follows? - "Is synthetic biology distinct from genetic engineering in the minds of the public, administrators, and other relevant groups?"

The answer to this question varies depending of the section of the public in question-

• For the average person in society with little or no formal training in Biology, given a 5min description of synthetic biology without specifically differentiating it from other fields, I believe it would be seen as indistinguishable from genetic engineering.
• For the average biologist, given a 5min description of synthetic biology, I believe a distinction between the approach of the two fields would be seen, albeit a subtle one.
• For the average funding agency or administrator, given the fact that the risks, benefits and applications are qualitatively similar for SB and GE, I believe they would be treated as one field.

Question: What groups are closely following synthetic biology and its implications?

• Question is looking for an SB "watchdog," and there is none (at least none dedicated to SB). Public perceptions are sometimes affected by the knowledge that entities exist that focus on palpable risks, playing a “watchdog” role. If there are no public or private groups that appear to be applying vigilance against or address events involving man-made organisms, are there other assurances to offer?

Question: Are there relevant lessons to be learned from existing, related technologies?

• answer could detail perceived risks with other S/T disciplines that have confronted and managed public risks: nuclear safety, hazardous chemical, GE, cryptography. Can ask if these provide suggestions as to the future role of the SB community. Can also mention lessons that have already been translated into action.

Question: Is the synthetic biology community devoloping and operating awareness efforts?

• this question was originally posed to probe public awareness efforts. Premise is: for some potentially risky technologies, professional organizations themselves develop and operate awareness efforts and training aids to reduce public and worker risk and asks if the SB community already doing this. This answer might offer nice place to talk about curriculum/education efforts underway.

Runner-up questions

Part 1: defining the field and its capabilities

• Origins? How and when did SB emerge as a distinct field? From what precursors?
• Self-Selection Rules? Why did SB researchers decide to enter this new field? What background characteristics do they share?

Part 4: future risks

• Gene Transference Risk? How does SB affect the risk of horizontal gene transference?
• Extinction Risk? Is it possible that SB will lead to the eventual replacement of natural species by artificial ones?
• Process Risks? In addition to the risk of effects of new synthesized organisms – and components of organisms – is there a risk of changed scientific publishing practices, of our concept of what “life” is, of reifying the analogy between computer codes and biological code? Other?

Part 5: social implications, public attitudes

• Applications Gatekeepers? Who are the likely gatekeepers for the SB applications that emerge? Will profit potential prove to be the primary factor in deciding what applications are pursued? What intellectual-property considerations will influence what applications are pursued?
• Open Software and Risk? What is the relationship between the possibility of SB-hacking and the movement toward free and open software in the SB community?
• Worst-Case Planning? In the event that we learn of an adverse event involving a potentially hazardous manmade organism, are there those who are ready and able to undertake effective remedial action? Has the remedial program been tested and validated by simulated game-playing or other proven techniques? [If Ans= “none,” weave this Q into others?]
  • editorialized answer: I don’t know if any “worse case scenarios” and “best case responses” have been detailed. If the response to recent natural disasters and public health threats is any guide, then we’d be foolish to expect government agencies to protect our well being through such crises. --NK

Cutting Room Floor?

Question:The Safety Record for GE? Some number of genetically engineered organisms have by now been unintentionally introduced into commerce and the environment. Have there been unanticipated adverse health or ecological impacts from these introductions? Who is monitoring this area?

Genetically modified crops have upset and worried many folks, in no small part because there seems to be no one who is monitoring or controlling the release of such agents. Reaction to genetically modified pets (like GFP-fish or allergy-friendly cats) has been small by comparison.

Question: Intramural Risk Identification? What do those working closely on SB see as the plausible way that SB might be misused? Have they taken steps to see that policy or other counter measures are taken to minimize such possibilities?

Policies are still being discussed