Alineamiento de secuencias Flashcards

1
Q

IMPORTANTE

Que es

A

Forma de organizar las secuencias de DNA, RNA o proteinas, teniendo una de consulta y una de referencia, para identificar regiones similares entre ellas.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

IMPORTANTE

Caracteristicas

A

Estima similitudes, infiere relaciones evoluticas, necesita herramientas precisas para analizar con detalle (diagrama de puntos para analisis grafico y alineaciones locales/globales para analizar residuos)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

IMPORTANTE

Alineamiento local (de 2)

Alinmiento global (todos - identifica mutaciones)

A

Identifica regiones conservadas entre 2 secuencias (similitudes)
Ej: BLAST, LAIGN, EMBOSS Needle, EMBOS Water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Algoritmos de pares (Dot Plot)

A

Metodo mas simple para identificar similitudes, por pares

Busca caracteristicas en diferente orden y revela patrones complejos

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Como se interpreta Dot-plot

A

Como secuencias divergentes donde solo un segmento es homologo
Repeticion en tandem: forma cuadrada

º

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Needleman - wunch

A

Se genera una matriz de (m+1)x(n+1)
- M es tamaño de la primera secuencia
- N es tamaño de la segunda secuencia

Valor de c/celda basado en 3 condiciones

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Valor de c/celda basado en 3 condiciones, ¿cuales?

A
  1. Match
  2. Mismatch
  3. Gap
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Smith and waterman

A

Optimizado para alineamientos locales
Via de alineamiento inicia de cualquier punto
Valor minimo permitido es 0

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q
A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q
A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q
A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q
A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q
A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q
A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q
A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q
A
8
Q
A
8
Q
A
8
Q
A
8
Q
A