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Comperative Genomics

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???? I ?????? ????????? ?????? ???????. ???? II ?????? ... Fungal phylogeny. ???????? ????? ???? ????????? ??????? 2005. 11. Genome alignment algorithm ... – PowerPoint PPT presentation

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Title: Comperative Genomics


1
Comperative Genomics
???????? ????????? ??????
???????? ????? ???? ????????? ??????? 2005.
2
?? ???? ???? ?
  • ??????? ???????? ???
  • ???? ????????? ????
  • ???? I ?????? ????????? ?????? ???????
  • ???? II ?????? ????????? ?? ?????? ????
  • ????? ???????

3
??????? ????????
  • ??????? ??????? ?? ?????? ?????? ?????.
  • ???? ?? ??????? ????????.
  • ??????
  • - ???? ???? ???? ?????????? ?????
  • - ?????? ??????? ?? ???? ???.
  • ????? ?????????? ??????.
  • ???? ??? ???? ????
  • ???? ?????? ???? ?

4
??????? ????? ??????
  • ?????? ?????
  • ??????? ????? ??????
  • ?????? ShotGun
  • ????? ???? ??? ?? ??? ??? ???? ????

5
ShotGun sequencing
6
?????
14 ???? ?????. ?????? ?????? 20-40 ??? ?????.
???? ???? ????????????? ?????? ?????? ??????
???????????. ??????? ???????? ????? 742 ????.
  • ?????? ???? ??????? de novo ?? ????

?????? ????? (???? - ?????? genolevures 00')
  • 14 ???? ?????. ?????? ?????? 20-40 ???? ?????.
  • ???? ???? ????????????? ?????? ?????? ??????
    ???????????
  • ??????? ????????, ????? 742 ????.

7
????
  • ???? ?????? ??????? ????? ???? ?

8
Sequencing and comparison of yeast species to
identify genes and regulatory elements()
  • ???? ???? Mannollis Kellis
  • ??? ????? Eric s. Lander

() Kellis M, et al. (2003) Sequencing and
comparison of yeast species to identify
genes and regulatory elements. Nature 423
241254
9
Kellis to the rescue
  • ????? ????? ?????? ?? ????? ??????.
  • ????? ?????
  • ????? ???? ????? ?? S. cerevisiae
  • ????? ???????? ?????? ?????? ??????? ???? ??????
    ???? ????? ??????.

10
Fungal phylogeny
11
Genome alignment algorithm
  • ????? ?? ????? ???????????? ?"? ???? Blast
  • ????? ??? ??"? ?????
  • ????? ?????
  • ??? ????? ????.
  • ????? ??????
  • ?? ?? synteny
  • BUS

12
?????? ?????? ???????
  • ???? ????? ?? 11
  • ??????? ???? ??????? ?? ?????
  • ????? ???? ?? ??? ?????
  • ???? ???? ????

13
???????
Figure 2
14
???????? 14
15
??? ???????? ???????????
  • ????? ??? ?????? ???????????.
  • ???? Vs. ??????????.

Figure 3
16
????? ????
  • ?????? alignment ?? ???????
  • ???? ????? ???? ??????????? ?-S.Cerevisiae
  • ???? ORFs ???????.
  • ????? ???????? ???? ?????????? ??? ???.

17
???? ????? ????? ?????? (RFC)
  • ??? ORF ????? ?????.
  • ???? ?????? - 340 ?????? ?? ???????.
  • 96 ????.
  • ¾ ???????? ?? ??? ORF ???????(!)
  • ????? ????? ?????? ?????.

18
???? ????? ????? ?????? (RFC)
  • ???? ?? ORF ?- S. Cerevisiae ???? ?? ??? ??????
    ????????

Figure 4
19
??????
  • ????? 503 ????
  • ????? 43 ???? ?????
  • ????? ????? ??????? - 5,726 ORF ???????
  • ????? ??? ????? ?????? ???? ???? ???? ?? ????

20
????? ???? ?? ???? ???
  • 210 ORF ?????? ?????? ????.
  • ????? ???? ????? ?????? ??????.
  • 330 ORF ??????? ????? ????.
  • ?????? ???? ????? ????? ?????????? ???? ????.

21
Figure 5
22
????
  • ???? 18 ???? ?? S.Cerevisiae ?? ????? ??????????
  • ???? ???? ?????? ????

23
???????? ?? ????
  • ???? species specific
  • ????? ?????? ????? ?? ????? ??????
  • ???? ?? ???? ???? ?????? ???? ????? 35 ????
    ????? ????? ????? ??????? ?-S. Cerevisiae.

24
????? ?? ????? ???? ???? ?????
  • ???? ????? ????? ???? - ????? ????, ?????? ????.
  • ????? ??????
  • ??????? ???????? ??????????? ????? ?????
  • ??????? ?? ?????? ?????? ?? ??? ?????
  • ????? ???? ?????? de novo ?? ?????? ????

25
?? ????? ?
  • ?? ????? ??????? 4 ???? ???? (?? ?? ???? ??
    ???????? ?????????)
  • ????? ???? ?????
  • ????? ??????? ???? ?? ???? ?????
  • ????? ??????? ?? ????
  • ????? ?? ????????? ????????????

26
?????
27
????!
  • ???? ?? ?????? ??? ?
  • ???? ?????? ???? !
  • ????? ???? ? ????? ???? ?

28
Conservation and Evolution of Cis-Regulatory
Systems in Ascomycetes Fungi()
  • ????? ????? Dr. Audrey Gasch
  • ??? ????? Prof. Michel Eisen

() Gasch AP et al. (2004) Conservation and
evolution of Cis-Regulatory systems in Ascomycete
fungi. PloS Biol. 2e-398
29
????????
  • ??? ????????? ?????? ????? ??????
  • ??????? ?????? cis-?????????

30
?????? ????
  • Cis-regulation elements
  • ?????? ?????? - ????????? ???? ????? ????? ????
  • ????? ??????? ???? ????
  • ?????? ????? ????????????
  • ?????? ??????? ???? ?alignment ?? ??????
    ?????????
  • ????? ??????? ?? ?????? ??????????

31
???? ????? ????? ??????
  • ????? ???? ???????? ??????
  • ???? ????? ????? -gt ??-???????
  • ????? ?????? ???????????
  • ????? ?????? ???? ???????

32
????' ????? ????...
  • ????' ????? ????,
  • ???? ?????? ????? ??????? ??-??????? ?-S.
    Cerevisiae, ?????? ??-??????? ?? ?????? ??????.
  • ??? ???? ?? ????? ?
  • ???? ????,
  • ????? ????.
  • ????? ???? ??????,
  • ????? ???? ?? ????? ?????? ????? ??????.
  • ????? ??? ????? ?? Kellis et al. ???? ????? ?? ??
    60-80 ?????? ??????????.
  • ????? ????? ?????? ???? ???? ?????? ???? ??? S.
    Pombe
  • ???????, ?????

33
???? ?????
  • 264 ?????? ???? ??-??????????
  • ????? ??? ????? ?? 80 ????? ??????
  • 41 ????? ???????? ??????
  • ???? ?????

34
????? ???????
  • 597 ??????? ???????
  • 42 ??????? ???? ?????
  • 4 ????? ??????? ?????

35
?-13 ?????? ??????
  • ????? ????? ??? ??? ?????
  • ?????? ???? ?????? ??? ????? ?????.

36
?????? vs. ????????
  • ?? ???????? ???? ? 3 ???? 4 ?????? ???????
  • ??? ???????? ???? ??????????? ???? ????? ???????
  • ???? ???? ???? ???? ?????? ????

37
?????
  • ???? ?????????? ??? ?????? ????????
  • ???? ???????? ??? ????? ????? ???? ?????
    ???????? ?? ?

38
????? ????????
  • ??!

39
????? ?????? ???? ????
  • ???? ???? ?????? ??????????
  • ????? ????? ????? ???????? ???? ???? ????

40
Conservation of Cis sequence enrichment in
specific gene groups. Figure 2
?????? ???????
41
???? ????? ??????
  • MCB ???? ???? ???????? ???? ? G1
  • ???? ????? ???? ?? ? S.Pombe

42
  • Gen4p ????????? ?? ?. ?????
  • GATA factors ????????? ?? ????
  • ???? GATA
  • ?????????? ?? GATA factors ?????? ??? ???? ????

43
??????? ?????? ?S. Cerevisiae-
  • ??????? ????????
  • ????? ?-S. Cerevisiae
  • ????? ??????? ????
  • ??????.

44
????
  • ???? ????? ????? ?? ???????? ?? ?????, ?????
    ????? ????? ???? ?????? ????? ?
  • ?????!

45
?????? ??????
  • ????? ?? ???????? ????? ????? ?????
  • ??????? ???? ??? ??????
  • ????? ????? ???? ????

46
(No Transcript)
47
???? ??? ???????
  • ??????? ???????? ?????? ??? ???? ???? ??????
  • ??????????? ???????????? ?? ?????? ?????

48
?????? - ?????
  • ?????? ????
  • ?????? ??????
  • ?????? ?????
  • ????? ?????? ????? ?????

49
???????? ???? ????
  • ????? ????? ??????? ??????
  • ????? ????? ?????
  • ???? ?? ??????
  • deletions insertions
  • ????? ?????

50
??-????????
  • ????? ??????? ????? ??-????????
  • Rpn4p ???? ??? ???? ?? ???? ???????????
  • ? C.Albicans ????? ???? ???? ??????
  • ? Rpn4n ? C.albicans ?? ?????? ????? ?-DNA ????

51
?????? ???? ????? ???
  • ???? ?????? ???? ?????? ???? ?????
  • ? N.Crassa ????? ???????? ?? Rnp4p
  • ???? ????? ?? ????? ??????????? ?? ???????????
  • ????? ? Rpn4p ???? ???? ?????

52
???????? - ?????
  • ????? ????? ??????? ??????
  • ????? ????? ?????
  • ????? ??????? ????? ??-????????
  • ???? ?????? ???? ?????? ???? ?????

53
??? ?????
  • ????? ?? ?????? ?????? ?? ????? ????? ??? ?????
    ???? ?? ???? ?????? ????????? ?? ??????? ?
    cis-??????????.

54
?? ??????
  • ??????? ???????? ?????? ???????? ?? ?????
  • ??? ??? ????? ????? ????????? ??? ?????
  • ?????? ?????????
  • ????? ??? ?????? ???????? ?? ?????? ?????
  • Kellis et al. ????? ???? ?????? ???? ?? ???? ?
    S.Cerevisiae
  • Gasch et al. - ????? ???? ???? cis-??????????

55
?????? ???? ????? ??????
  • ???? ?? ???? ??? ????? ??????? ?????????????
    ??????? ?????? ?????
  • ????? ???? ??? S. Cerevisiae ???? S. Bayanus ????
    ??? ???? ???? ?????.
  • ???????? ?????? ???? ???? ????? ?????? ?? ????
    ????.

56
???? ???...
  • Hsa21 ? Ptr22 ?? ???????????
  • ???????? ?????? ??????? ????
  • ???? ?????() ??? ??????? ??????? ???????? ??
    ??????

()Watanabe et al. DNA sequence and comparative
analysis of chimpanzee chromosome 22. Nature.
2004 May 27429382-8.
57
?????? ?????? ???????
  • ?????? ??? ??? ??????? ?????
  • ???? ???? ????? ????
  • ????? ?????? ??? ????????
  • ???? ????? ??????? ????? ??????
  • ?????? ?????? ???????
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  • ????? ???? ???????
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