[Annotation] [Evidence] Fwd: ISS/ISA from Southerns?

Judith Blake jblake at informatics.jax.org
Fri Jun 6 05:10:02 PDT 2008


TAS would work....Author says (incidently, he has a Southern result in 
the paper)
judy

Stacia Engel wrote:
> yes, very good.  the documentation also says this:
> "The NAS evidence code should be used in all cases where the author 
> makes a statement that a curator wants to capture but for which there 
> are neither results presented nor a specific reference cited in the 
> source used to make the annotation."
>
> see http://www.geneontology.org/GO.evidence.shtml#nas
>
> There are results presented from a Southern hybridization, so NAS 
> still doesn't make sense in this case.
>
> i'm not sure what the right answer is, but i don't think NAS is it.
>
>
>
> stacia
>
>
> On Jun 5, 2008, at 3:50 PM, Karen Christie wrote:
>
>>
>> Our new documentation for the distinction between TAS and NAS is very 
>> simple. If they cite another paper, it is TAS. If it isn't tracable 
>> to another publication, then it isn't TAS.
>>
>> Here's what we have on the web in the current documentation:
>>
>> TAS
>> Any statement in an article where the original evidence (experimental 
>> results, sequence comparison, etc.) is not directly shown, but is 
>> referenced in the article and therefore can be traced to another source.
>>
>> NAS
>> Statements in papers (abstract, introduction, or discussion) that a 
>> curator cannot trace to another publication
>>
>> -Karen
>>
>>
>> On Thu, 5 Jun 2008, Stacia Engel wrote:
>>
>>> I agree that it should be TAS with the paper that does the 
>>> Southern.  NAS doesn't make much sense.
>>>
>>> stacia
>>>
>>>
>>> On Jun 5, 2008, at 3:37 PM, MICHELLE GIGLIO wrote:
>>>
>>>> Hi,
>>>> Should we explore the option of expanding the scope of IPI?  A 
>>>> Southern is an experiment that looks for a physical interaction.
>>>> But if folks don't want to do that, then I think it would be TAS, 
>>>> not NAS. It is traceable to the Southern.
>>>> Michelle
>>>> -----Original Message-----
>>>> From: annotation-bounces at genome.stanford.edu on behalf of Karen 
>>>> Christie
>>>> Sent: Thu 6/5/2008 4:53 PM
>>>> To: Pascale Gaudet
>>>> Cc: GO Annotation list; Julie Park; evidence at genome.stanford.edu
>>>> Subject: Re: [Annotation] [Evidence]   Fwd:  ISS/ISA from Southerns?
>>>> How could we cite SGD? We didn't do any sequence similarity 
>>>> comparisons.
>>>> Also, why do you think the Southern evidence is dubious? High 
>>>> stringency
>>>> Southerns are actually quite strong evidence.
>>>> -Karen
>>>> On Thu, 5 Jun 2008, Pascale Gaudet wrote:
>>>>> Another suggestion: How about making the annotation citing SGD 
>>>>> rather than the paper? Is the sequence similarity good enough to 
>>>>> do that?
>>>>> It seems to me that Southern evidence is pretty dubious anyway, I 
>>>>> know it's nice to capture all information we can get from papers, 
>>>>> but that seems
>>>>> rather low quality?
>>>>> Pascale
>>>>> Julie Park wrote:
>>>>>       Thanks all for your input.
>>>>> Unfortunately there is no other evidence for these annotations and 
>>>>> all subsequent papers that discuss these genes reference the 
>>>>> original Southern
>>>>> experiments.
>>>>> The curators here agree with Emily's reasoning for not using EXP.  
>>>>> We also are against using IPI.  Since both interacting parties are 
>>>>> DNA
>>>>> molecules and not gene products it is both misleading and 
>>>>> non-compliant with the IPI criteria.
>>>>> We at SGD have decided that given the changes to the ISS evidence 
>>>>> code, we'll change these annotations to use the evidence code NAS 
>>>>> and still use
>>>>> the Southern paper as the reference.
>>>>> Thanks again,
>>>>> -Julie
>>>>>
>>>>>             From: Emily Dimmer <edimmer at ebi.ac.uk>
>>>>> Date: June 5, 2008 4:56:56 AM PDT
>>>>> To: Evidence Code Group <evidence at genome.stanford.edu>
>>>>> Cc: GO Annotation list <annotation at genome.stanford.edu>
>>>>> Subject: Re: [Evidence] [Annotation]  Fwd:  ISS/ISA from Southerns?
>>>>> I like the idea of using IPI.
>>>>> At the moment all experimental annotations should be able to be 
>>>>> described by one of the child codes of EXP, the only annotations
>>>>> which directly use this code are those which do meet the criteria 
>>>>> of the child experimental codes, but cannot be retrofitted by the
>>>>> submitting group.
>>>>> It might be nice to keep it this way, rather than allow EXP to be 
>>>>> used for undocumented experimental methods -  otherwise EXP could
>>>>> potentially end up as a dumping ground for a diverse range of 
>>>>> annotations where the curator is not sure which of the child
>>>>> experimental codes is appropriate.
>>>>> Emily
>>>>> Judith Blake wrote:
>>>>>       I agree too.  This is too far from ISS as now employed.
>>>>>
>>>>>       aren't these from older papers?  Isn't there better evidence 
>>>>> available now?  if so, why include them?  if not, what about
>>>>>       EXP?
>>>>>
>>>>>       judy
>>>>>
>>>>>       MICHELLE GIGLIO wrote:
>>>>>
>>>>>             Hi Rama,
>>>>>
>>>>>             I agree with Susan.  I am reluctant to add this back 
>>>>> to ISS. However, I don't know where it would go
>>>>>             instead.
>>>>>
>>>>>             If it does come back to the ISS family (if we can not 
>>>>> think of another alternative) then it definitely can
>>>>>             NOT go under ISA as there is no alignment in this 
>>>>> situation. It would have to be plain ISS.  (But I still
>>>>>             don't like it there.)
>>>>>
>>>>>             Could it possibly be an IPI?
>>>>>
>>>>>             Michelle
>>>>>
>>>>>             -----Original Message-----
>>>>>
>>>>>             From: evidence-bounces at genome.stanford.edu on behalf 
>>>>> of Susan Tweedie
>>>>>
>>>>>             Sent: Wed 6/4/2008 5:17 AM
>>>>>
>>>>>             To: Rama Balakrishnan
>>>>>
>>>>>             Cc: Evidence Code Group; GO Annotation list
>>>>>
>>>>>             Subject: Re: [Evidence] Fwd:  ISS/ISA from Southerns?
>>>>>
>>>>>             One thing we'd have to consider if we added this 
>>>>> (back?) to ISS is that
>>>>>
>>>>>             the new classification of evidence codes groups ISS, 
>>>>> ISA etc as
>>>>>
>>>>>             'computational analysis evidence codes' - that 
>>>>> wouldn't be strictly true
>>>>>
>>>>>             if Southerns were included.
>>>>>
>>>>>             I am uneasy about mixing together cases where the 
>>>>> sequence is known with
>>>>>
>>>>>             those that aren't - no review of the evidence is 
>>>>> possible in the latter
>>>>>
>>>>>             case. Personally, I would be reluctant to make an 
>>>>> annotation based on a
>>>>>
>>>>>             cross-hybridisation expt but maybe I just remember too 
>>>>> many spurious
>>>>>
>>>>>             bands from my time in the lab.
>>>>>
>>>>>             Are there really that many cases these days where 
>>>>> sequencing is so
>>>>>
>>>>>             stnadard where this is the only evidence to support a 
>>>>> term? Maybe I'm
>>>>>
>>>>>             just spolit working on a species with complete genome 
>>>>> sequence...
>>>>>
>>>>>             Cheers,
>>>>>
>>>>>             Susan
>>>>>
>>>>>             On Tue, 2008-06-03 at 12:05 -0700, Rama Balakrishnan 
>>>>> wrote:
>>>>>
>>>>>             > I haven't heard from anybody on this so far. Is it 
>>>>> okay if we add
>>>>>
>>>>>             > 'southern analysis' as an acceptable evidence to the 
>>>>> ISS
>>>>>
>>>>>             > documentation?
>>>>>
>>>>>             >
>>>>>
>>>>>             >
>>>>>
>>>>>             > Thanks,
>>>>>
>>>>>             >
>>>>>
>>>>>             >
>>>>>
>>>>>             > Rama
>>>>>
>>>>>             >
>>>>>
>>>>>             >
>>>>>
>>>>>             > Begin forwarded message:
>>>>>
>>>>>             >
>>>>>
>>>>>             > > From: Rama Balakrishnan <rama at genome.stanford.edu>
>>>>>
>>>>>             > > Date: May 9, 2008 5:18:06 PM PDT
>>>>>
>>>>>             > > To: Evidence Code Group 
>>>>> <evidence at genome.stanford.edu>
>>>>>
>>>>>             > > Cc: GO Annotation list 
>>>>> <annotation at genome.stanford.edu>
>>>>>
>>>>>             > > Subject: [Evidence] ISS/ISA from Southerns?
>>>>>
>>>>>             > >
>>>>>
>>>>>             > >
>>>>>
>>>>>             > > Reposting...
>>>>>
>>>>>             > > I am dealing with a similar situation like the one 
>>>>> Julie has
>>>>>
>>>>>             > > mentioned below.
>>>>>
>>>>>             > >
>>>>>
>>>>>             > >
>>>>>
>>>>>             > > Thanks,
>>>>>
>>>>>             > >
>>>>>
>>>>>             > >
>>>>>
>>>>>             > > Rama
>>>>>
>>>>>             > >
>>>>>
>>>>>             > >
>>>>>
>>>>>             > > Begin forwarded message:
>>>>>
>>>>>             > > > From: Julie Park <juliep at genome.stanford.edu>
>>>>>
>>>>>             > > > Date: April 23, 2008 3:57:22 PM PDT
>>>>>
>>>>>             > > > To: evidence at genome.stanford.edu
>>>>>
>>>>>             > > > Subject: [Evidence] ISS/ISA from Southerns?
>>>>>
>>>>>             > > >
>>>>>
>>>>>             > > >
>>>>>
>>>>>             > > > Dear evidence code group,
>>>>>
>>>>>             > > >
>>>>>
>>>>>             > > > I had a question about whether Southern analysis 
>>>>> alone can be used
>>>>>
>>>>>             > > > as > > > evidence for an annotation.
>>>>>
>>>>>             > > >
>>>>>
>>>>>             > > > In S. cerevisiae, MEL2-10 are annotated by ISS to
>>>>>
>>>>>             > > > alpha-galactosidase > > > activity.  There is no 
>>>>> sequence alignment or information (older > > >
>>>>>             literature, pre-genome sequencing), instead the 
>>>>> authors infer
>>>>>
>>>>>             > > > homology/
>>>>>
>>>>>             > > > sequence similarity from a Southern 
>>>>> hybridization using a MEL1
>>>>>
>>>>>             > > > probe.  > > > Southern analysis was listed in 
>>>>> the old ISS documentation but the
>>>>>
>>>>>             > > > only > > > mention of Southerns in the new 
>>>>> documentation is under ISA in > > > conjunction with a
>>>>>             sequence alignment.
>>>>>
>>>>>             > > >
>>>>>
>>>>>             > > > Is ISS by Southern only no longer allowed or did 
>>>>> it just get left
>>>>>
>>>>>             > > > out > > > of the current documentation?
>>>>>
>>>>>             > > > If allowed, would I leave these annotations as 
>>>>> ISS or would it be
>>>>>
>>>>>             > > > okay > > > to ISA w/ MEL1?
>>>>>
>>>>>             > > >
>>>>>
>>>>>             > > > thanks,
>>>>>
>>>>>             > > > Julie
>>>>>
>>>>>             > > >
>>>>>
>>>>>             > > > 
>>>>> ****************************************************************
>>>>>
>>>>>             > > > Julie Park, Ph.D., Scientific Curator
>>>>>
>>>>>             > > >  Saccharomyces Genome Database
>>>>>
>>>>>             > > >  Department of Genetics
>>>>>
>>>>>             > > >  Stanford University School of Medicine
>>>>>
>>>>>             > > >  Stanford, CA 94305-5120 USA
>>>>>
>>>>>             > > >  phone: (650)724-9959  fax: (650)725-1534
>>>>>
>>>>>             > > >  http://www.yeastgenome.org
>>>>>
>>>>>             > > > 
>>>>> *****************************************************************
>>>>>
>>>>>             > > > _______________________________________________
>>>>>
>>>>>             > > > Evidence mailing list
>>>>>
>>>>>             > > > Evidence at geneontology.org
>>>>>
>>>>>             > > > 
>>>>> http://fafner.stanford.edu/mailman/listinfo/evidence
>>>>>
>>>>>             > >
>>>>>
>>>>>             > >
>>>>>
>>>>>             > > _______________________________________________
>>>>>
>>>>>             > > Evidence mailing list
>>>>>
>>>>>             > > Evidence at geneontology.org
>>>>>
>>>>>             > > http://fafner.stanford.edu/mailman/listinfo/evidence
>>>>>
>>>>>             >
>>>>>
>>>>>             >
>>>>>
>>>>>             > _______________________________________________
>>>>>
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>>>>>
>>>>>             _______________________________________________
>>>>>
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>>>>>
>>>>>             
>>>>> ------------------------------------------------------------------------ 
>>>>>
>>>>>
>>>>>             _______________________________________________
>>>>>
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>>>>>
>>>>>       _______________________________________________
>>>>>
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>>>>>       Annotation at geneontology.org
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>>>>>       http://fafner.stanford.edu/mailman/listinfo/annotation
>>>>> -- 
>>>>> Do you need any additional GO annotation resources?
>>>>> Which proteins would you like annotated with GO?
>>>>> Let us know in the GOA User Survey, available at: 
>>>>> http://www.ebi.ac.uk/GOA/contactus.html
>>>>> ------------------------------------------------------------------
>>>>>   Emily Dimmer Ph.D.
>>>>>   GOA Coordinator
>>>>>   EMBL-EBI
>>>>>   Wellcome Trust Genome Campus
>>>>>   Hinxton
>>>>>   Cambridge CB10 1SD, U.K.
>>>>>   Tel:     +44 1223 494654
>>>>>   Fax:    +44 1223 494468
>>>>>   email:  edimmer at ebi.ac.uk
>>>>>   URL:    http://www.ebi.ac.uk/goa
>>>>> _______________________________________________
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>>>>>         
>>>>> ______________________________________________________________________________________________________________________________________________ 
>>>>>
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