meetings
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| * [[10.02.08]]: | * [[10.02.08]]: | ||
| * [[01.05.08]]: | * [[01.05.08]]: | ||
| - | * [[21.05.08]]: | + | * [[21.05.08]]: Tinu: Converter von AFLPDat zu dem Selection Programm von Matthieu |
| * [[09.06.08]]: | * [[09.06.08]]: | ||
| - | |||
| - | ==== 10.02.2008 ==== | ||
| - | Dear Howard,\\ | ||
| - | |||
| - | Howard Cann wrote: | ||
| - | > Dear Laurent, | ||
| - | > | ||
| - | > Until now, the HGDP-CEPH diversity panel database has stored and | ||
| - | > displayed marker genotypes generated on the panel population samples. | ||
| - | > It is time that we receive sequences from panel users who are | ||
| - | > resequencing in the panel in order to study human variation, estimate | ||
| - | > diversity indices, describe human demography/ | ||
| - | |||
| - | Sounds good! | ||
| - | |||
| - | > What file formats should we be ready to receive? | ||
| - | |||
| - | Some flat file format would be good to have, but I think there is no | ||
| - | general agreement on how these large resequencing files should be | ||
| - | formatted. I have a MSc student with whom we are beginning to think | ||
| - | about such a format. We are investigating the possibility to have some | ||
| - | xml coded file, that would be efficient for resequencing data, but we | ||
| - | are still in the first development phase. | ||
| - | > How should we suggest to contributors to code their sequence data (nt | ||
| - | > letters or numbers), to code missing bases.......? | ||
| - | I guess it would be most useful if sequences would be grouped by | ||
| - | population, with info on:\\ | ||
| - | |||
| - | Sequence region (chromosomic region) | ||
| - | Sequence begin | ||
| - | Sequence length | ||
| - | Population where it was sequenced | ||
| - | Individual in which it was sequenced | ||
| - | Geographic coordinate of the population or of the individual | ||
| - | Linguistic group or language family of the individual or population | ||
| - | Tag indicating is sequence phase has been inferred, with pointer to the | ||
| - | other complementary sequence | ||
| - | Nucleotide should be coded as ACGT, and ? for missing data (which makes | ||
| - | intuitive sense), otherwise common letters for ambiguous nucleotide | ||
| - | assignment | ||
| - | |||
| - | > What other questions should I be asking you in order to set up a | ||
| - | > sequence db that will be useful to scientists in the field of human | ||
| - | > population genetics. | ||
| - | |||
| - | Some information on whether it is coding sequence or not, with the start | ||
| - | of the coding region, would be nice to have. Some link to some other | ||
| - | data base (e.g. ensembl) where additional information can be found would | ||
| - | be nice as well. | ||
| - | |||
| - | > I think that CEPH should be concerned with managing and maintaining | ||
| - | > the sequences in the db and not with computing various parmeters of | ||
| - | > polymorphism, | ||
| - | > are capable of doing. | ||
| - | |||
| - | Yes, you are right, but some summary statistics could be useful to | ||
| - | compute.\\ | ||
| - | |||
| - | It would also be nice to be able to extract, say all sequences or | ||
| - | polymorphism in a given chromosomal region.\\ | ||
| - | |||
| - | Cheers | ||
| - | laurent | ||
| - | |||
| - | |||
| - | ==== 09.06.2008 ==== | ||
| - | Hi Heidi,\\ | ||
| - | |||
| - | please have a look at the following paper and program... | ||
| - | |||
| - | [[http:// | ||
| - | |||
| - | It would be worth looking at...\\ | ||
| - | |||
| - | cheers | ||
| - | laurent | ||
| - | |||
| - | |||
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