Table 1.

Sequencing the Mouse KCC2 Locus with the Mu System

PlasmidpSR11
Insert size (kb)10.3
Vector size (kb)2.9
Minitransposon usedcat–Mu
E. coli cells used
 StrainDH5α
 Competence (cfu/μg pUC19 DNA)∼107
Plasmid introduced into cells byelectroporation
Fraction of standard reaction used in  electroporation1:10
Number of ApR/CmRcolonies obtained540
Number of clones screened by  restriction analysis95 (100%)
  two plasmids apparent2[ii] (2%)
  one plasmid apparent93 (98%)
Clones with one transposon93 (98%)
 in vector14 (15%)
 in insert79 (83%)
Number of clones sequenced71 (75%)
Total sequenced (bp)68,143
Final sequence (bp)10,288
Average read per sequence reaction
 (nucleotide)494
Redundancy (fold)6.6

[i] Sequences retrieved using RP and UP primers are included.

[ii] These clones exhibited a restriction pattern consistent with cotransformation of two plasmids.