strategiesfor) cloning) how)to)find)the)clone)for)a ... · kanr gene ecorl sites (b) ligation...

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Strategies for cloning How to find the clone for a specific gene? Terms: Direct selec:on Different types of DNA library Iden:fica:on from gene library Iden:fica:on of a clone

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Page 1: Strategiesfor) cloning) How)to)find)the)clone)for)a ... · kanR gene EcoRl sites (b) Ligation gives 13 different recombinant DNA molecules 13 different fragments Ligate into the

Strategies  for  cloning  How  to  find  the  clone  for  a  specific  gene?  

Terms:  •  Direct  selec:on  •  Different  types  of  DNA  library  •  Iden:fica:on  from  gene  library  •  Iden:fica:on  of  a  clone  

Page 2: Strategiesfor) cloning) How)to)find)the)clone)for)a ... · kanR gene EcoRl sites (b) Ligation gives 13 different recombinant DNA molecules 13 different fragments Ligate into the

Selec:on  problem!!  

Sid  127  

Page 3: Strategiesfor) cloning) How)to)find)the)clone)for)a ... · kanR gene EcoRl sites (b) Ligation gives 13 different recombinant DNA molecules 13 different fragments Ligate into the

Different  strategies  for  selec:on  

Sid  128  

Page 4: Strategiesfor) cloning) How)to)find)the)clone)for)a ... · kanR gene EcoRl sites (b) Ligation gives 13 different recombinant DNA molecules 13 different fragments Ligate into the

Direct  selec:on  

Sid  129  

Page 5: Strategiesfor) cloning) How)to)find)the)clone)for)a ... · kanR gene EcoRl sites (b) Ligation gives 13 different recombinant DNA molecules 13 different fragments Ligate into the

Direct  selec:on  for  TrpA  gene  

Sid  130  

Page 6: Strategiesfor) cloning) How)to)find)the)clone)for)a ... · kanR gene EcoRl sites (b) Ligation gives 13 different recombinant DNA molecules 13 different fragments Ligate into the

Gene  library  in  a  cosmid  

Sid  132  

Page 7: Strategiesfor) cloning) How)to)find)the)clone)for)a ... · kanR gene EcoRl sites (b) Ligation gives 13 different recombinant DNA molecules 13 different fragments Ligate into the

Expression  of    genes  

Sid  132  

Page 8: Strategiesfor) cloning) How)to)find)the)clone)for)a ... · kanR gene EcoRl sites (b) Ligation gives 13 different recombinant DNA molecules 13 different fragments Ligate into the

Sid  134  

Page 9: Strategiesfor) cloning) How)to)find)the)clone)for)a ... · kanR gene EcoRl sites (b) Ligation gives 13 different recombinant DNA molecules 13 different fragments Ligate into the

Nucleic  acid  hybridiza:on  

Sid  135  

Page 10: Strategiesfor) cloning) How)to)find)the)clone)for)a ... · kanR gene EcoRl sites (b) Ligation gives 13 different recombinant DNA molecules 13 different fragments Ligate into the

Sid  135  

Page 11: Strategiesfor) cloning) How)to)find)the)clone)for)a ... · kanR gene EcoRl sites (b) Ligation gives 13 different recombinant DNA molecules 13 different fragments Ligate into the

32P-­‐dATP  

Sid  136  

Page 12: Strategiesfor) cloning) How)to)find)the)clone)for)a ... · kanR gene EcoRl sites (b) Ligation gives 13 different recombinant DNA molecules 13 different fragments Ligate into the

Labelling  different  techniques  

Sid  136  

Page 13: Strategiesfor) cloning) How)to)find)the)clone)for)a ... · kanR gene EcoRl sites (b) Ligation gives 13 different recombinant DNA molecules 13 different fragments Ligate into the

Sid  138  

Page 14: Strategiesfor) cloning) How)to)find)the)clone)for)a ... · kanR gene EcoRl sites (b) Ligation gives 13 different recombinant DNA molecules 13 different fragments Ligate into the

Iden:fica:on  of  high  abundance  clones  

Sid  139  

Page 15: Strategiesfor) cloning) How)to)find)the)clone)for)a ... · kanR gene EcoRl sites (b) Ligation gives 13 different recombinant DNA molecules 13 different fragments Ligate into the

Sid  139  

Page 16: Strategiesfor) cloning) How)to)find)the)clone)for)a ... · kanR gene EcoRl sites (b) Ligation gives 13 different recombinant DNA molecules 13 different fragments Ligate into the

Sid  140  

Page 17: Strategiesfor) cloning) How)to)find)the)clone)for)a ... · kanR gene EcoRl sites (b) Ligation gives 13 different recombinant DNA molecules 13 different fragments Ligate into the

Sid  141  

Page 18: Strategiesfor) cloning) How)to)find)the)clone)for)a ... · kanR gene EcoRl sites (b) Ligation gives 13 different recombinant DNA molecules 13 different fragments Ligate into the

Heterologous  probing  

Sid  142  

Page 19: Strategiesfor) cloning) How)to)find)the)clone)for)a ... · kanR gene EcoRl sites (b) Ligation gives 13 different recombinant DNA molecules 13 different fragments Ligate into the

Sid  143  

Page 20: Strategiesfor) cloning) How)to)find)the)clone)for)a ... · kanR gene EcoRl sites (b) Ligation gives 13 different recombinant DNA molecules 13 different fragments Ligate into the

Southern  hybridiza:on  

Sid  143  

Page 21: Strategiesfor) cloning) How)to)find)the)clone)for)a ... · kanR gene EcoRl sites (b) Ligation gives 13 different recombinant DNA molecules 13 different fragments Ligate into the

Sid  144  

Page 22: Strategiesfor) cloning) How)to)find)the)clone)for)a ... · kanR gene EcoRl sites (b) Ligation gives 13 different recombinant DNA molecules 13 different fragments Ligate into the

Immuno  screening  

Sid  145