large scale variations Flashcards

1
Q

voorbeelden

A
  • inserties
  • deleties
  • translocaties
    > transposons: (los van recombinantiemech meiose, gefl. IR)
  • tandem herh
  • duplicatie chromosoom
  • copy number variation (CNV)
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2
Q

opsporen

A
  • sequentiebepaling
  • microarrays & indels
  • karyogram (groot)
  • RFLP + fingertyping
  • TP-PCR (triple repeat)
  • HRM (high resolution melting)
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3
Q

micro-arrays

A

probes overlap hele genoom
indel = verzamelnaam insert/deletie
lage stringentie (=/= snp)

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4
Q

karyogram

A

cytogenetic mapping = beeld kern
levende cel (lymfocyten)
1) fixeren metafase, zwellen + lyseren op coupe
2) kleuren
3) microscopisch onderzoek
controle FISH met centromeer-spec probe voor spec chrom

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5
Q

RFLP + tekening

A

1) RE
2) GEF
3) southern blot
probleem:
- lengte insertie = lengte geknipt fragment
- insertie nieuwe RE herk
» RFLP-PCR

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6
Q

RFLP-fingerprinting

A
  • prokaryoten typische insertie sequenties verspringen om x generaties = transposons
  • probes tegen insertie
    nadeel: veel DNA nodig
    » AFLP-PCR
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7
Q

TR-PCR

A

primers flankeren repeat expansie
probleem: coderende gebieden, prom, UTR
- PCR regio + lengtebep cap/acrylGEF
probleem: gebieden tss repeats zo lag > geen amplicon > geen signaal

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