Title: DNA
1??????? ????? ?????? ??????? ?? ????? ?? ???????
??? ??????? DNA
2?????
- ?????? ????? ?????? ???? ????? ????????? ?? ?????
??? ???? ??????? ?????????? ???????????? ???
???????? ?????? ???? ?????? ???????? ?? ??????
?????? ?????? ???????? ?? ??????? ?????? ICARDA. - ????? ????????
- ??????? ????? ?????? ??????? ?? ????? ?? ???????
??? ??????? DNA - Using Hidden Markov Models to finding gene in DNA
sequences - ??????? ??????? ???? ???? ?? ????? ??? ????
??????? ?????????? ???????????? ??? ?????????
???????? Murari Singh ?? ?????? ?????? ??????
???????? ?? ??????? ?????? ICARDA.
3??? ?????
- ???? ??? ????? ??? ????? ?????? ???? Perl ?????
??? ????? ??? ?????? ??????? DNA ?????? ?????
???????? ??? ????????? ????????? ??????? ????
????? ?? ????????? ??? ?? ????? ????? ?? ?????
???? ???? ??????? ???????? ?????? ???? ???? ??
??? ???? ???????? ?? ?????? ??????? ????????
????? ?????? ???????. - ?????? ?? ??? ????? ???????? ??? ?????? ???????
- ????? ???????? (???????).
- ??? ??????? ?????? ????.
- ??????? ???????? ???? ???? ?????????.
4????? ???????? (???????)
5????? ?????? ?????? ??????? ???????? DNA
- ????? ????? ?????? ?????? ??????? ???????? ?????
DNA ?? ???? ????? ???????? ?? ????? ???? ???
??????????? (A, T, C, G)? ??? ???? ?? ???? ??????
?????? ????? ???????? ??????? ?? ?????????
??????? ????? ?????? ????. - ???? ???? ????? DNA ?? ????? ??????? ?????? ??
??? ??????? ???? ?????? ??? ?? A ??? ?? T ??? C
??? ?? G? ??? ????? ??? ?????? ??????? ??? ???
??? ?????? ???? ???????? ?????? ?? ???? ?? ????
(??????? 23 ????). - ????? ??? ???? ????? DNA ???????? ?? ???? ???
???? ????? ???? ?? ??????? 3.2 ????? ?????.
6??????? Genes
- ???? ??? ????? ??? ????? ??????? ?? ????? ?????
DNA ????? ????? ??????? ?????? ?? ???? ??????
???? ?? ????? ????? (??? ??????? ?? ??????? ??
25000 ??? ??????). - ?? ???? ??????? ???? ???? ?????? ??????? ???
???????? ??? ???? ????? ?? ????? ???????? ??????
????? DNA (3 ?? ???? ?????). - ?????? ??????? ??? ???????? ??? ?????? ???? ?????
DNA? ???? ?? ??? ?????? ??? ????? ?? ???? ?? ????
????? DNA ???? ???? ??? ????.
7??????? ???????? Amino Acids
- ?????? ???????? ????? 20 ???? ?????? ??????
?????? ???? ????? ?????????? ???????? ??
???????. - ????? ??? ?????? ???????? ???????? ????????
??????? ?????????? ??? ?????? ?? ???????? ?????. - ???? ???? ??? ????? ?????? ???????? ????? ????
???????? ????????? ???? ??? ?????? ????? ???
?????? ???????? ?? ????? ????? ???? ???? ???
????? ?? ???? ????? ????? ???? ??? ???? ??? ????
?? ??? ????.
8?????? ?? ????? ??? ???????? (1)
- ?????? ?????? ??????? ???????? ?? ???? ????? DNA
??? ???????? ??? ???????? ????? ??? ??????? ????
?? ????? ??????? mRNA. - ???? ????? ??????? mRNA ???? ????? ????? ???????
???? ?? ???? ????? ???? ?????? ????? DNA. - ??? ???? ????? RNA ??? ???? ??? ??????? ???????
?????????? T ???????? ?????????? U ???????? ??
??? ??????? ?? ??????? ?? ??????? ?????????? A. - ???? ??????? ????? ??????? mRNA ?????? ????
?????? ??? ????? ???? ????? ????? ??????????
?????.
9?????? ?? ????? ??? ???????? (2)
- ???????? ????? ???? ????? ???? ??? ?? ????? ?????
??????? ??? ??? ?????? ????????. - ?? ??????? ???? ?????? ????? 64 ????? ????
???????? ????? ?? ????? ????? ??????? ?? ??? ??
????? 20 ???? ?????? ??? ???????? ??? ???? ?????
????????? ??? ???? ?? ???? ??????? ???????? ????
?? ?????. - ??? ????? ???????? ??????? ??????? ?? ????
??????? ??? ????? ?? ??? ?????? ??? ???? ???????
???????? ???? ???? ?? ??????? ??? ?????? ??? ??
??? ???????.
10?????? ?? ????? ??? ???????? (3)
- ??? ????? ???? ?????????? ??????? ??? ??????????
??? ???? ?? ?????? ?????? ????? ?? ????? ???
??????? mRNA ??????? ?? ???? ??????? ????? ??????
???????? ??? ????? ??????? ????????. - ?????? ??? ??????? ????? ??? ?????? tRNA ?????
????? ?? ??? ?????? ?? ???? ?????? ?????? ??
????? ?????? ?????? ??????? ??????? ????
???????. - ???? ???? ??????? ???????? ??? ????? ?? ?????????
?????? ??????? ????????? ??? ?? ???? ????? ??????
tRNA.
11???? ??? ??????? ???????? ?? ????????? Rebosome
Tyr
Val
His
Met
Pro
3
CAU
UAC
GUA
CCU
5
???? ??? ???????
12????? ?????????? Proteins
- ?? ??? ????? ??????? ???????? ???? ???? ????????
???????? ??????? ???????? ???? ???? ???????
?????????? ???????? ??????? ???????? ????????. - ?? ???? ???????? ???????? ??????? ?? ???? ????
??????? ???? ???? ???? ???? ??? ??? ???????
???????? ??? ????? ???????? ???? ?? ?????. - ????? ??? ??? ???? ??????? ???? ??? ???? ??? ????
???? ????? ????? ??? ??? ??????? mRNA ??? ?????
?????? ???? ?? ???? ????? ?? ??? ???????? ??????.
13??? ??????? ?????? ????
14??? ?????? ?????? ?????
- ???? ?????? ????? ??? ??? ????? ???? ????? ????
????? ?? ??????? ?????? A, T, C, G ??????? ??
????? ???? ????? DNA ???????? ??? ????? ???
??????? ??? ????????? ???? ????? ??????? ???????
?????? ?????? ????? ?????????.
15????? ????? ??????? ???? ????? ???????
- ????? ??? ?????? ?????? ????? ??? ????? ?? ????
???? ?????? ????? ???????? ????? ???? ???????
?????? ?? ??? ??? ?????? ???? ????? ??? ?????
??????? ???? DNA ?? ????? ??? ????? ?????? ??????
????????? ???? ?? ?????? ?? ???? ????? ??? ????
?????? ??????? ???????? ?????? ?? ??? ???????
?????? ?? ???????? ?? ???? ?? 30 ?? ???????. - ??? ??? ?? ????? ??? ???? ???? ???? ???? ??????
???? ???? ??? ????? ????????? ???? ???? ???
??????? ????????? ??? ?????? ????? ?????? ??????
???? ???????? ??? ?????? ?? ????? ????? ?????
???? ??? ?? ???? ?? ?????? ???? ?????? ????????
???? ???????? ??? 6 ?????? ??????.
16??????? ???????? ???? ???? ?????????
17????? ?????? ??????? HMM
- ????? ????? ?????? ??? ?????? ??????? ??????????
??? ????? ?????? ?????????? ???? ??????? ?????
???? ??????? ???? ???? ???????? ???????? ?? ????
??? ???? ?? ?? ?? ????? ??? ?????? ??????
???????. - ?? ????? ?????? ??????? ?? ?????? ??????? ???
??????? ???? ?????? ??? ???? ?? ??? ???? ?????
?????? ?? ?????? ????? ?? ?????? ????? ?? ?????
??? ?? ????? ????? ???????. - ???? ?? ????? ????? ???????? ???????? ??????
???????? ??? ????? ?????? ????? ????????? ????
???? ?????? ?? ????? ????? ??????? ???? ??? ???
??? ??????.
18???? ??????
- ???? ?? ???? ????? ???? ?? ???? ???? ??????? ????
?? ???? ??????? ????? ??? ??????? ????? ??????
????? ??? ?? ?????? ??????? ????????? ???? ??
???????? ??? ????? ?? ?? ???? ?? ??? ?? ?????
???? ???? ????? ????? ?? ??? ?????. - ?????? ????? ?? ???? ???? ????? ?????? ?????
????? ??? ???? ??????? ??? ???? ??????? ?????
????????? ????? ??? ?? ????? ?? ?????? ??? ????
?? ?? ???? ????? ???? ???? ??? ???? ??? ????????
?????? ????? ???? ????? ?????
?????? ??????????
0.4
0.6
0.4
????
0.6
????
0.7
0.3
0.6
0.3
0.1
0.5
0.1
0.4
????
????
?????
????
????
?????
19?????? ????? ????? ?????? ??????? HMM
- ?????? ??? ?????? ???????.
- ?????? ??? ????? ????? ?????????.
- ?????? ?????? ??? ??????.
- ??????? ??????.
- ??????????? ??????? Bioinformatics ?? ???? ??????
?????? ????? ?????????? (????? ??? ??????? Genes)
??? ??????? ????? DNA.
20??? Perl
- ????? ??? ????? ???? ??? ??? 1987 ?? ??? Larry
Wall? ??? ??? ?????? ???? ??????? ???? ?? ??????
??????? ??????? ??? ????????? ????? ????? ?????
???? ????? ?? ?????? ???? ????? ???????? ??????
??????? ?????. - ???? ??? Perl ??? ????? ??? ????? (????? ????
???? ????????? ?????? ????????)? ??? ????? ??????
???? ???? ??????? ????????? ???????? ?????????. - ???? ??? Perl ??? ???? ?? ???????? ??????? ?? ???
??? ???? ?? ???? ????? ????? ????.
21????? BioPerl
- ??? ?? ????? ????? BioPerl ?? ??? ????? ?????? ??
???????? ??????? ?????? ????????? ???????? ???
Perl ???? ???? ????? ??????? ?? ????????
?????????? (?????????) ?????????. - ???? ?????? ??? ??????? ???? ??? ????? ??????
?????? ?????? ??????? ?????????? (?????????)? ???
????? ?????? ?? ??????? ???? ???? ????? ?????????
?? ??? ????? ??????? ?????? ?? ??? ????? ??
??????.
22??? ??????? ????????? R
- ????? ??? R ???????? ?????? ????? ?? ??? ?????
?????? ???? ?????? ??????? ???????? ????????? ???
????? ??? ?? ???????? ????????? ??? ???? ???? ???
?? ????? ??????? Auckland ??????????. - ????? ??? R ??? ????? ???????? ?? ????? ?????????
????????? ?????? ????????? ??? ????? ??? ???????
??? ??????? ?? ?????? ?? ?????? ?????? ????
??????. - ????? ??? R ???? ?????????? ???????? ???? ??????
?? ?????? ????? ?????? ?????? ????? ?????.
23?????? ?? ???? ???? ??????????? ??? ?????? ??????