Diapositiva 1

1
ÁCIDOS NUCLEICOS SENCILLOS NUCLEÓTIDOS
2
Py
Pu
U
A
G
C
H C N O P
r
dr
Pi
3
(No Transcript)
4
(No Transcript)
5
http//users.rcn.com/jkimball.ma.ultranet/BiologyP
ages/N/Nucleotides.html
6
Desoxirribonucleótido con timina Ácido
desoxitimidílico
Ribonucleótido con uracilo Ácido uridílico
7
http//users.rcn.com/jkimball.ma.ultranet/BiologyP
ages/N/Nucleotides.html
8
A pentosa B Base nitrogenada C Fosfato
9
OLIGONUCLEÓTIDO
5
3
10
http//chemistry.gsu.edu
www.nyu.edu
A
11
www.nyu.edu
G
12
http//chemistry.gsu.edu
www.nyu.edu
C
13
www.nyu.edu
http//chemistry.gsu.edu
14
A
T
G
C
http//chemistry.gsu.edu
15
(No Transcript)
16
(No Transcript)
17
(No Transcript)
18
http//www.arrakis.es/lluengo/adnhelice.htm
www.psc.edu
19
www.es.embnet.org
www.chem.ox.ac.uk
20
(No Transcript)
21
(No Transcript)
22
(No Transcript)
23
(No Transcript)
24
(No Transcript)
25
(No Transcript)
26
(No Transcript)
27
(No Transcript)
28
(No Transcript)
29
SV40 ? 5 x 103 pdb (2 mm) fX-174 ? 5386 pdb Fago
l ? 5 x 104 pdb Nanoarchaeota ? 5 x 105
pdb Excherichia coli ? 4 x 106 pdb (1,4
mm) Levadura ? 2 x 107 pdb Caenorhabditis elegans
? 1 x 108 pdb Drosophila melanogaster ? 2 x 108
pdb Perro ? 2.4 x 109 pdb Humano ? 3,3 x 109 pdb
30
(No Transcript)
31
(No Transcript)
32
(No Transcript)
33
TRANSCRIPCIÓN
34
(No Transcript)
35
(No Transcript)
36
Los ARNm no sufren procesamiento
postranscripcional en PROCARIOTAS
37
(No Transcript)
38
microRNA
Small nuclear RNA
39
(No Transcript)
40
Capping
Posición anómala unión anómala G metilada
todo ello hace irreconocible para las
exonucleasas este extremo, librándolo de su ataque
41
Splicing
42
Adición de poliA
43
ARNm maduro
44
(No Transcript)
45
(No Transcript)
46
(No Transcript)
47
(No Transcript)
48
http//upload.wikimedia.org/wikipedia/commons/b/bf
/TRNA_all2.png
49
(No Transcript)
50
(No Transcript)
51
(No Transcript)
52
(No Transcript)
53
View of the structure of the yeast ribosome the
small subunit is shown in blue whereas the large
subunit is shown in yellow. Ribosomal RNA is
shown in red. Credit M Yusupovhttp//phys.org/
news/2010-12-eukaryotic-ribosome-unveils.htmljCp
54
REPLICACIÓN
55
(No Transcript)
56
(No Transcript)
57
(No Transcript)
58
TRADUCCIÓN
59
(No Transcript)
60
(No Transcript)
61
(No Transcript)
62
(No Transcript)
63
(No Transcript)
64
(No Transcript)
65
(No Transcript)
66
(No Transcript)