def runIncubation(self,
src=None,
vol=None,
srcdil=None,
tgt=None,
enzymes=None,
incTemp=37,
incTime=15,
hiTemp=None,
hiTime=0,
inPlace=False):
if len(enzymes) != 1:
print "ERROR: runIncubation only supports a single master mix"
assert False
if inPlace:
if tgt is not None:
print "ERROR: tgt specified for in-place incubation"
assert False
elif tgt is None:
tgt = [
Sample("%s.%s" % (src[i].name, enzymes[0].name),
decklayout.SAMPLEPLATE) for i in range(len(src))
]
if srcdil == None:
# Minimum dilution (no water)
srcdil = 1 / (1 -
sum([1 / e.conc.dilutionneeded() for e in enzymes]))
if vol is None and inPlace:
vol = [s.volume * srcdil for s in src]
[src, tgt, vol, srcdil] = listify([src, tgt, vol, srcdil])
# Adjust source dilution
for i in range(len(src)):
src[i].conc = Concentration(srcdil[i], 1)
if inPlace:
self.runRxInPlace(src, vol, enzymes[0], returnPlate=False)
tgt = src
else:
self.e.stage('User', enzymes, src, tgt, vol, destMix=False)
self.e.shakeSamples(tgt, returnPlate=False)
if hiTemp is None:
worklist.pyrun('PTC\\ptcsetpgm.py INC TEMP@%.0f,%.0f TEMP@25,30' %
(incTemp, incTime * 60))
else:
assert (hiTime > 0)
worklist.pyrun(
'PTC\\ptcsetpgm.py INC TEMP@%.0f,%.0f TEMP@%.0f,%.0f TEMP@25,30'
% (incTemp, incTime * 60, hiTemp, hiTime * 60))
self.e.runpgm("INC",
incTime + hiTime + 2,
False,
max(vol),
hotlidmode="TRACKING",
hotlidtemp=10)
return tgt
def runLigPgm(self, vol, ligtemp, inactivate=True, inacttemp=65):
if inactivate:
pgm = "LIG15-%.0f" % ligtemp
worklist.pyrun(
'PTC\\ptcsetpgm.py %s TEMP@%.0f,900 TEMP@%.0f,600 TEMP@25,30' %
(pgm, ligtemp, inacttemp))
self.e.runpgm(pgm,
27,
False,
vol,
hotlidmode="TRACKING",
hotlidtemp=10)
elif ligtemp == 25:
worklist.comment('Ligation at room temp')
self.e.pause(15 * 60)
else:
pgm = "TRP%.0f-15" % ligtemp
worklist.pyrun('PTC\\ptcsetpgm.py %s TEMP@%.0f,900 TEMP@25,30' %
(pgm, ligtemp))
self.e.runpgm(pgm,
17,
False,
vol,
hotlidmode="TRACKING",
hotlidtemp=10)
def beadAddElutant(self,
src,
elutant=None,
elutionVol=30,
eluteTime=60,
returnPlate=True,
temp=None):
if elutant is None:
elutant = decklayout.WATER
[src, elutionVol, elutant] = listify([src, elutionVol, elutant])
for i in range(len(src)):
if elutionVol[i] < 30:
print "WARNING: elution from beads with %.1f ul < minimum of 30ul" % elutionVol[
i]
print " src=", src[i]
self.e.transfer(elutionVol[i] - src[i].volume, elutant[i], src[i],
(False, True))
if temp is None:
self.e.shake(src[0].plate, dur=eluteTime, returnPlate=returnPlate)
else:
self.e.shake(src[0].plate, dur=30, returnPlate=False)
worklist.pyrun('PTC\\ptcsetpgm.py elute TEMP@%d,%d TEMP@25,2' %
(temp, eluteTime))
self.e.runpgm("elute", eluteTime / 60, False, elutionVol[0])
if returnPlate:
self.e.moveplate(src[0].plate, "Home")
def runPCRInPlace(self,
prefix,
src,
vol,
ncycles,
suffix,
annealtemp=57,
save=None):
[prefix, src, vol, suffix] = listify([prefix, src, vol, suffix])
primer = [
reagents.getsample("MPCR" + prefix[i] + suffix[i])
for i in range(len(prefix))
]
self.runRxInPlace(src, vol, primer, returnPlate=(save is not None))
if save is not None:
self.saveSamps(src=src,
vol=5,
dil=10,
tgt=save,
plate=decklayout.DILPLATE,
dilutant=decklayout.SSDDIL)
pgm = "PCR%d" % ncycles
# worklist.pyrun('PTC\\ptcsetpgm.py %s TEMP@95,120 TEMP@95,30 TEMP@55,30 TEMP@72,25 GOTO@2,%d TEMP@72,180 TEMP@16,2'%(pgm,ncycles-1))
worklist.pyrun(
'PTC\\ptcsetpgm.py %s TEMP@95,120 TEMP@95,10 TEMP@%f,10 GOTO@2,%d TEMP@72,120 TEMP@25,2'
% (pgm, annealtemp, ncycles - 1))
self.e.runpgm(pgm,
4.80 + 1.55 * ncycles,
False,
max(vol),
hotlidmode="CONSTANT",
hotlidtemp=100)
def runT7Pgm(self, vol, dur):
if dur < 100:
pgm = "TRP37-%d" % dur
else:
pgm = "T37-%d" % dur
worklist.pyrun('PTC\\ptcsetpgm.py %s TEMP@37,%d TEMP@25,2' %
(pgm, dur * 60))
self.e.runpgm(pgm, dur, False, vol)
def runRTPgm(self, dur=20, heatInactivate=False):
if heatInactivate:
hidur = 2
pgm = "RT-%d" % dur
worklist.pyrun(
'PTC\\ptcsetpgm.py %s TEMP@37,%d TEMP@95,%d TEMP@25,2 RATE 0.5'
% (pgm, dur * 60, hidur * 60))
self.e.runpgm(
pgm, dur + hidur + 2.5, False, 100
) # Volume doesn't matter since it's just an incubation, use 100ul
else:
if dur < 100:
pgm = "TRP37-%d" % dur
else:
pgm = "T37-%d" % dur
worklist.pyrun('PTC\\ptcsetpgm.py %s TEMP@37,%d TEMP@25,2' %
(pgm, dur * 60))
self.e.runpgm(
pgm, dur, False, 100
) # Volume doesn't matter since it's just an incubation, use 100ul
def oneround(self, q, input, prefixOut, stop, prefixIn, keepCleaved, t7vol,
rtvol, pcrdil, cycles, pcrvol, dolig):
primerSet = [
set(["MX", "REF", "T7X", prefixIn[i] + "X", prefixOut[i] + "X"])
for i in range(len(prefixIn))
]
if keepCleaved:
print "Starting new cleavage round, will add prefix: ", prefixOut
assert (dolig)
else:
print "Starting new uncleaved round, will retain prefix: ", prefixIn
print "stop=", stop, "prefixOut=", prefixOut, ", prefixIn=", prefixIn, ",t7vol=", t7vol, ",rtvol=", rtvol, ",pcrdil=", pcrdil, ",cycles=", cycles, ",dolig=", dolig
if self.rtCarryForward:
assert (dolig)
names = [i.name for i in input]
if self.rnaInput:
rxs = input
stopDil = 1
else:
print "######## T7 ########### %.0f min" % (clock.elapsed() / 60)
print "Inputs: (t7vol=%.2f)" % t7vol
inconc = [inp.conc.final for inp in input]
for inp in input:
if inp.conc.units == 'nM':
print " %s: %.1ful@%.1f %s, use %.1f ul (%.3f pmoles)" % (
inp.name, inp.volume, inp.conc.stock, inp.conc.units,
t7vol / inp.conc.dilutionneeded(),
t7vol * inp.conc.final / 1000)
needDil = max([inp.conc.stock
for inp in input]) * 1.0 / self.qConc
else:
print " %s: %.1ful@%.1f %s, use %.1f ul" % (
inp.name, inp.volume, inp.conc.stock, inp.conc.units,
t7vol / inp.conc.dilutionneeded())
needDil = 100 / self.qConc # Assume 100nM
# inp.conc.final=inp.conc.stock*self.templateDilution
if self.directT7 and self.rndNum == 1:
# Just add ligands and MT7 to each well
if not keepCleaved:
for i in range(len(input)):
if self.inputs[i]['ligand'] is not None:
ligand = reagents.getsample(
self.inputs[i]['ligand'])
self.e.transfer(t7vol /
ligand.conc.dilutionneeded(),
ligand,
input[i],
mix=(False, False))
names[i] += "+"
mconc = reagents.getsample("MT7").conc.dilutionneeded()
for i in range(len(input)):
watervol = t7vol * (1 - 1 / mconc) - input[i].volume
if watervol > 0.1:
self.e.transfer(watervol,
decklayout.WATER,
input[i],
mix=(False, False))
self.e.transfer(t7vol / mconc,
reagents.getsample("MT7"),
input[i],
mix=(False, False))
assert (abs(input[i].volume - t7vol) < 0.1)
rxs = input
elif self.rndNum == len(
self.rounds) and self.finalPlus and keepCleaved:
rxs = self.runT7Setup(
src=input,
vol=t7vol,
srcdil=[inp.conc.dilutionneeded() for inp in input])
for i in range(len(input)):
inp = input[i]
if self.inputs[i]['ligand'] is not None:
rxs += self.runT7Setup(
ligands=[
reagents.getsample(self.inputs[i]['ligand'])
],
src=[inp],
vol=t7vol,
srcdil=[inp.conc.dilutionneeded()])
prefixIn += [prefixIn[i]]
prefixOut += [prefixOut[i]]
stop += [stop[i]]
primerSet += [primerSet[i]]
names += ["%s+" % names[i]]
elif keepCleaved:
rxs = self.runT7Setup(
src=input,
vol=t7vol,
srcdil=[inp.conc.dilutionneeded() for inp in input])
else:
rxs = self.runT7Setup(
ligands=[
reagents.getsample(inp['ligand'])
for inp in self.inputs
],
src=input,
vol=t7vol,
srcdil=[inp.conc.dilutionneeded() for inp in input])
if self.rndNum == 1 and "template" in self.qpcrStages:
# Initial input
for i in range(len(rxs)):
q.addSamples(src=rxs[i],
needDil=needDil,
primers=primerSet[i],
names=["%s.T" % names[i]])
needDil = needDil * max(
[inp.conc.dilutionneeded() for inp in input])
self.runT7Pgm(dur=self.t7dur, vol=t7vol)
for i in range(len(rxs)):
rxs[i].name = "%s.t7" % names[i]
print "Estimate usable RNA concentration in T7 reaction at %.0f nM" % self.rnaConc
print "######## Stop ########### %.0f min" % (clock.elapsed() / 60)
self.e.lihahome()
print "Have %.1f ul before stop" % rxs[0].volume
preStopVolume = rxs[0].volume
self.addEDTA(tgt=rxs, finalconc=2) # Stop to 2mM EDTA final
stopDil = rxs[0].volume / preStopVolume
if self.saveRNA:
self.saveSamps(
src=rxs,
vol=5,
dil=self.saveRNADilution,
plate=decklayout.DILPLATE,
dilutant=reagents.getsample("TE8"),
mix=(False,
False)) # Save to check [RNA] on Qubit, bioanalyzer
needDil = self.rnaConc / self.qConc / stopDil
if "stopped" in self.qpcrStages:
for i in range(len(rxs)):
q.addSamples(src=rxs[i:i + 1],
needDil=needDil,
primers=primerSet[i],
names=["%s.stopped" % names[i]])
print "######## RT Setup ########### %.0f min" % (clock.elapsed() /
60)
hiTemp = 95
stop = ["%s-Stop" % n for n in stop]
rt = self.runRT(src=rxs,
vol=rtvol,
srcdil=self.rtDil,
heatInactivate=self.rtHI,
hiTemp=hiTemp,
dur=self.rtdur,
incTemp=50,
stop=[reagents.getsample(s) for s in stop],
stopConc=self.stopConc
) # Heat inactivate also allows splint to fold
rxs = rt
for i in range(len(rxs)):
if dolig and not self.singlePrefix:
rxs[i].name = names[i] + "." + prefixOut[i] + ".rt"
else:
rxs[i].name = names[i] + ".rt"
print "RT volume= [", ",".join(["%.1f " % x.volume for x in rxs]), "]"
needDil /= self.rtDil
if self.rtpostdil[self.rndNum - 1] > 1:
print "Dilution after RT: %.2f" % self.rtpostdil[self.rndNum - 1]
self.diluteInPlace(tgt=rxs, dil=self.rtpostdil[self.rndNum - 1])
needDil = needDil / self.rtpostdil[self.rndNum - 1]
if self.rtSave:
rtsv = self.saveSamps(
src=rxs,
vol=self.rtSaveVol,
dil=self.rtSaveDil,
plate=decklayout.DILPLATE,
dilutant=reagents.getsample("TE8"),
mix=(False, False)) # Save to check RT product on gel (2x dil)
if "rt" in self.qpcrStages:
for i in range(len(rxs)):
q.addSamples(src=rtsv[i:i + 1],
needDil=needDil / 2,
primers=self.rtprimers[self.rndNum - 1] if
hasattr(self, 'rtprimers') else primerSet[i],
names=["%s.rt" % names[i]])
else:
if "rt" in self.qpcrStages:
for i in range(len(rxs)):
q.addSamples(src=rxs[i:i + 1],
needDil=needDil,
primers=self.rtprimers[self.rndNum - 1] if
hasattr(self, 'rtprimers') else primerSet[i],
names=["%s.rt" % names[i]])
rtCarryForwardDil = 10
rtCarryForwardVol = 3.5
if self.rtCarryForward and not keepCleaved:
# Also include RT from a prior round from here on
for r in self.lastSaved:
newsamp = Sample("%s.samp" % r.name, decklayout.SAMPLEPLATE)
self.e.transfer(rxs[0].volume, r, newsamp, (False, False))
rxs.append(newsamp)
if dolig:
print "######## Ligation setup ########### %.0f min" % (
clock.elapsed() / 60)
extdil = 5.0 / 4
reagents.getsample("MLigase").conc = Concentration(5)
if self.ligInPlace:
rxs = self.runLig(rxs,
inPlace=True,
srcdil=extdil,
incTime=self.ligdur)
else:
rxs = self.runLig(rxs,
inPlace=False,
srcdil=extdil,
vol=20,
incTime=self.ligdur)
print "Ligation volume= ", [x.volume for x in rxs]
needDil = needDil / extdil
if self.extpostdil[self.rndNum - 1] > 1:
print "Dilution after extension: %.2f" % self.extpostdil[
self.rndNum - 1]
self.diluteInPlace(tgt=rxs,
dil=self.extpostdil[self.rndNum - 1])
needDil = needDil / self.extpostdil[self.rndNum - 1]
pcrdil = pcrdil * 1.0 / self.extpostdil[self.rndNum - 1]
if self.saveDil is not None:
ext = self.saveSamps(
src=rxs,
vol=3,
dil=self.saveDil,
dilutant=reagents.getsample("TE8"),
tgt=[
Sample("%s.ext" % n, decklayout.DILPLATE)
for n in names
],
mix=(False, True)) # Save cDNA product for subsequent NGS
if "ext" in self.qpcrStages:
for i in range(len(ext)):
# Make sure we don't take more than 2 more steps
maxdil = q.MAXDIL * q.MAXDIL
if needDil / self.saveDil > maxdil:
logging.notice(
"Diluting ext by %.0fx instead of needed %.0f to save steps"
% (maxdil, needDil / self.saveDil))
q.addSamples(src=[ext[i]],
needDil=min(maxdil,
needDil / self.saveDil),
primers=primerSet[i],
names=["%s.ext" % names[i]],
save=False)
else:
if "ext" in self.qpcrStages:
print "needDil=", needDil
for i in range(len(names)):
q.addSamples(src=[rxs[i]],
needDil=needDil,
primers=primerSet[i],
names=["%s.ext" % names[i]])
isave = i + len(names)
if isave < len(rxs):
# samples restored
q.addSamples(src=[rxs[isave]],
needDil=needDil / rtCarryForwardDil,
primers=primerSet[isave])
else:
extdil = 1
self.extpostdil[self.rndNum - 1] = 1
if self.rtpostdil[self.rndNum - 1] > 1:
pcrdil = pcrdil * 1.0 / self.rtpostdil[self.rndNum - 1]
totalDil = stopDil * self.rtDil * self.rtpostdil[
self.rndNum - 1] * extdil * self.extpostdil[self.rndNum - 1]
fracRetained = rxs[0].volume / (t7vol * totalDil)
print "Total dilution from T7 to Pre-pcr Product = %.2f*%.2f*%.2f*%.2f*%.2f = %.2f, fraction retained=%.0f%%" % (
stopDil, self.rtDil, self.rtpostdil[self.rndNum - 1], extdil,
self.extpostdil[self.rndNum - 1], totalDil, fracRetained * 100)
if self.rtCarryForward and not keepCleaved:
# Remove the extra samples
assert (len(self.lastSaved) > 0)
rxs = rxs[:len(rxs) - len(self.lastSaved)]
self.lastSaved = []
if len(rxs) > len(input):
# Have extra samples due when self.finalPlus is True
rxs = rxs[0:len(input)] # Only keep -target products
prefixOut = prefixOut[0:len(input)]
prefixIn = prefixIn[0:len(input)]
stop = stop[0:len(input)]
if self.dopcr and not (keepCleaved and self.noPCRCleave):
print "######### PCR ############# %.0f min" % (clock.elapsed() /
60)
maxvol = max([r.volume for r in rxs])
print "PCR Volume: %.1f, Dilution: %.1f, volumes available for PCR: [%s]" % (
pcrvol, pcrdil, ",".join(["%.1f" % r.volume for r in rxs]))
initConc = needDil * self.qConc / pcrdil
if keepCleaved:
initConc = initConc * self.cleavage # Only use cleaved as input conc
else:
initConc = initConc * (1 - self.cleavage)
gain = pcrgain(initConc, 400, cycles)
finalConc = min(200, initConc * gain)
print "Estimated starting concentration in PCR = %.1f nM, running %d cycles -> %.0f nM\n" % (
needDil * self.qConc / pcrdil, cycles, finalConc)
nsplit = int(math.ceil(pcrvol * 1.0 / self.maxPCRVolume))
print "Split each PCR into %d reactions" % nsplit
minsrcdil = 1 / (1 - 1.0 / 3 - 1.0 / 4)
sampNeeded = pcrvol / pcrdil
if self.rtCarryForward and keepCleaved:
sampNeeded += rtCarryForwardVol
maxvol = max([r.volume for r in rxs])
minvol = min([r.volume for r in rxs])
if keepCleaved and self.rtCarryForward:
assert (len(rxs) == len(rtCarryForward))
print "Saving %.1f ul of each pre-PCR sample" % (
rtCarryForwardVol)
self.lastSaved = [
Sample("%s.sv" % x.name, decklayout.DILPLATE) for x in rxs
]
for i in range(len(rxs)):
# Save with rtCarryForwardDil dilution to reduce amount of RT consumed (will have Ct's 2-3 lower than others)
self.e.transfer(rtCarryForwardVol, rxs[i],
self.lastSaved[i], (False, False))
self.e.transfer(
rtCarryForwardVol * (rtCarryForwardDil - 1),
decklayout.WATER, self.lastSaved[i], (False, True)
) # Use pipette mixing -- shaker mixing will be too slow
#print "NSplit=",nsplit,", PCR vol=",pcrvol/nsplit,", srcdil=",pcrdil,", input vol=",pcrvol/nsplit/pcrdil
minvol = min([r.volume for r in rxs])
maxpcrvol = (minvol - 15 - 1.4 * nsplit) * pcrdil
if maxpcrvol < pcrvol:
print "Reducing PCR volume from %.1ful to %.1ful due to limited input" % (
pcrvol, maxpcrvol)
pcrvol = maxpcrvol
if keepCleaved:
master = "MTaqC"
else:
master = "MTaqU"
if self.barcoding:
primers = self.bcprimers[self.rndNum - 1]
if primers is not None and nsplit > 1:
primers = primers * nsplit
else:
primers = None
if primers is None:
primers = [("T7%sX" % x).replace("T7T7", "T7")
for x in prefixOut] * nsplit
print "Running PCR with master=", master, ", primers=", primers
pcr = self.runPCR(src=rxs * nsplit,
vol=pcrvol / nsplit,
srcdil=pcrdil,
ncycles=cycles,
primers=primers,
usertime=self.usertime if keepCleaved else None,
fastCycling=False,
inPlace=False,
master=master,
lowhi=self.lowhi,
annealTemp=57)
if keepCleaved and self.regenPCRCycles is not None:
# Regenerate prefix
pcr2 = self.runPCR(src=pcr,
vol=self.regenPCRVolume,
srcdil=self.regenPCRDilution,
ncycles=self.regenPCRCycles,
primers=None,
usertime=None,
fastCycling=False,
inPlace=False,
master="MTaqR",
lowhi=self.lowhi,
annealTemp=55)
# Add BT575p for 1 more cycle
for p in pcr2:
self.e.transfer(p.volume * 0.5 / 10,
reagents.getsample("Unclvd-Stop"), p,
(False, False))
# One more cycle
cycling = ' TEMP@95,30 TEMP@55,30 TEMP@68,30 TEMP@25,2'
worklist.pyrun('PTC\\ptcsetpgm.py rfin %s' % (cycling))
self.e.runpgm("rfin",
5.0,
False,
max([p.volume for p in pcr2]),
hotlidmode="CONSTANT",
hotlidtemp=100)
pcr = pcr2 # Use 2nd PCR as actual output
if len(pcr) <= len(names):
# Don't relabel if we've split
for i in range(len(pcr)):
pcr[i].name = names[i] + ".pcr"
#print "Volume remaining in PCR input source: [",",".join(["%.1f"%r.volume for r in rxs]),"]"
needDil = finalConc / self.qConc
print "Projected final concentration = %.0f nM" % (needDil *
self.qConc)
for i in range(len(pcr)):
pcr[i].conc = Concentration(stock=finalConc,
final=None,
units='nM')
if self.pcrSave:
# Save samples at 1x (move all contents -- can ignore warnings)
maxSaveVol = (100
if self.savedilplate else 1500) * 1.0 / nsplit
if self.finalRound and nsplit == 1 and self.savedilplate:
print "Skipping save of final PCR"
sv = pcr
else:
sv = self.saveSamps(
src=pcr[:len(rxs)],
vol=[
min([maxSaveVol, x.volume]) for x in pcr[:len(rxs)]
],
dil=1,
plate=(decklayout.DILPLATE if self.savedilplate else
decklayout.EPPENDORFS),
atEnd=self.savePCRAtEnd)
if nsplit > 1:
# Combine split
for i in range(len(rxs), len(rxs) * nsplit):
self.e.transfer(min([maxSaveVol, pcr[i].volume]),
pcr[i],
sv[i % len(sv)],
mix=(False,
i >= len(rxs) * (nsplit - 1)))
# Correct concentration (above would've assumed it was diluted)
for i in range(len(sv)):
sv[i].conc = pcr[i].conc
if "pcr" in self.qpcrStages:
for i in range(len(sv)):
q.addSamples(sv[i],
needDil,
primers=primerSet[i],
names=["%s.pcr" % names[i]])
processEff = 0.5 # Estimate of overall efficiency of process
print "Have %.2f pmoles of product (%.0f ul @ %.1f nM)" % (
sv[0].volume * sv[0].conc.stock / 1000, sv[0].volume,
sv[0].conc.stock)
return sv
else:
assert "pcr" not in self.qpcrStages ## Not implemented
return pcr[:len(rxs)]
elif self.noPCRCleave:
print "Dilution instead of PCR: %.2f" % self.nopcrdil
# Need to add enough t7prefix to compensate for all of the Stop primer currently present, regardless of whether it is for cleaved or uncleaved
# Will result in some short transcripts corresponding to the stop primers that are not used for cleaved product, producing just GGG_W_GTCTGC in the next round. These would be reverse-trancribed, but may compete for T7 yield
t7prefix = reagents.getsample("BT88")
dil = self.extpostdil[self.rndNum - 1] * userDil
stopconc = 1000.0 / dil
bt88conc = t7prefix.conc.stock
relbt88 = stopconc / bt88conc
print "Using EXT with %.0fnM of stop oligo as input to next T7, need %.2ful of BT88@%.0fnM per ul of sample" % (
stopconc, relbt88, bt88conc)
for r in rxs:
vol = r.volume * relbt88
t7prefix.conc.final = t7prefix.conc.stock * vol / (r.volume +
vol)
r.conc.final = r.conc.stock * r.volume / (r.volume + vol)
self.e.transfer(vol, t7prefix, r, mix=(False, False))
if self.nopcrdil > (1 + relbt88):
self.diluteInPlace(tgt=rxs,
dil=self.nopcrdil / (1.0 + relbt88))
needDil = needDil / self.nopcrdil
print "Dilution of EXT product: %.2fx * %.2fx = %2.fx\n" % (
1 + relbt88, self.nopcrdil / (1 + relbt88), self.nopcrdil)
else:
print "Dilution of EXT product: %.2fx\n" % (1 + relbt88)
return rxs
else:
return rxs
def runPCR(self,
prefix,
src,
vol,
srcdil,
tgt=None,
ncycles=20,
suffix='S',
sepPrimers=True,
primerDil=4):
## PCR
[prefix, src, tgt, vol, srcdil,
suffix] = listify([prefix, src, tgt, vol, srcdil, suffix])
for i in range(len(tgt)):
if tgt[i] is None:
tgt[i] = Sample(
"%s.P%s%s" % (src[i].name, prefix[i], suffix[i]),
src[i].plate)
# Adjust source dilution
for i in range(len(src)):
src[i].conc = Concentration(srcdil[i], 1)
if sepPrimers:
sampvols = [vol[i] / srcdil[i] for i in range(len(src))]
mm = reagents.getsample("MPCR")
mmvols = [
vol[i] / mm.conc.dilutionneeded() for i in range(len(src))
]
for s in prefix + suffix:
if not reagents.isReagent(s):
reagents.add(name=s, conc=primerDil, extraVol=30)
sprefix = [reagents.getsample(p) for p in prefix]
ssuffix = [reagents.getsample(p) for p in suffix]
prefixvols = [
vol[i] / sprefix[i].conc.dilutionneeded()
for i in range(len(src))
]
suffixvols = [
vol[i] / ssuffix[i].conc.dilutionneeded()
for i in range(len(src))
]
watervols = [
vol[i] - mmvols[i] - prefixvols[i] - suffixvols[i] -
sampvols[i] for i in range(len(src))
]
print "water=", watervols, ", mm=", mmvols, ", prefix=", prefixvols, ", suffix=", suffixvols, ", samp=", sampvols
self.e.multitransfer(watervols, decklayout.WATER, tgt,
(False, False)) # Transfer water
self.e.multitransfer(mmvols, mm, tgt,
(False, False)) # PCR master mix
sprefixset = set(sprefix)
ssuffixset = set(ssuffix)
if len(sprefixset) < len(ssuffixset):
# Distribute sprefix first
for p in sprefixset:
self.e.multitransfer([
prefixvols[i]
for i in range(len(src)) if sprefix[i] == p
], p, [tgt[i] for i in range(len(src)) if sprefix[i] == p],
(False, False))
# Then individually add ssuffix
for i in range(len(src)):
self.e.transfer(suffixvols[i], ssuffix[i], tgt[i],
(False, False))
else:
# Distribute ssuffix first
for p in ssuffixset:
self.e.multitransfer([
suffixvols[i]
for i in range(len(src)) if ssuffix[i] == p
], p, [tgt[i] for i in range(len(src)) if ssuffix[i] == p],
(False, False))
# Then individually add sprefix
for i in range(len(src)):
self.e.transfer(prefixvols[i], sprefix[i], tgt[i],
(False, False))
# Now add templates
for i in range(len(src)):
self.e.transfer(sampvols[i], src[i], tgt[i], (False, False))
else:
primer = [prefix[i] + suffix[i] for i in range(len(prefix))]
print "primer=", primer
for up in set(primer):
s = "MPCR%s" % up
if not reagents.isReagent(s):
reagents.add(name=s, conc=4 / 3.0, extraVol=30)
self.e.stage(
'PCR%s' % up, [reagents.getsample("MPCR%s" % up)],
[src[i] for i in range(len(src)) if primer[i] == up],
[tgt[i] for i in range(len(tgt)) if primer[i] == up],
[vol[i] for i in range(len(vol)) if primer[i] == up],
destMix=False)
pgm = "PCR%d" % ncycles
self.e.shakeSamples(tgt, returnPlate=False)
# worklist.pyrun('PTC\\ptcsetpgm.py %s TEMP@95,120 TEMP@95,30 TEMP@55,30 TEMP@72,25 GOTO@2,%d TEMP@72,180 TEMP@16,2'%(pgm,ncycles-1))
worklist.pyrun(
'PTC\\ptcsetpgm.py %s TEMP@95,120 TEMP@95,10 TEMP@57,10 GOTO@2,%d TEMP@72,120 TEMP@25,2'
% (pgm, ncycles - 1))
self.e.runpgm(pgm,
4.80 + 1.55 * ncycles,
False,
max(vol),
hotlidmode="CONSTANT",
hotlidtemp=100)
return tgt
