def bed_store(bedfile, sorted=False):
bedfile = mergeBed(bedfile, s=True, nms=True, sorted=sorted)
bed = Bed(bedfile)
reads, reads_r = {}, defaultdict(list)
for b in bed:
target = "{0}:{1}".format(b.seqid, b.start)
for accn in b.accn.split(","):
reads[accn] = target
reads_r[target].append(accn)
return reads, reads_r
def bed_store(bedfile):
bedfile = mergeBed(bedfile, s=True, nms=True, sorted=True)
bed = Bed(bedfile)
reads, reads_r = {}, defaultdict(list)
for b in bed:
target = "{0}:{1}".format(b.seqid, b.start)
for accn in b.accn.split(","):
reads[accn] = target
reads_r[target].append(accn)
return reads, reads_r
def insertionpairs(args):
"""
%prog insertionpairs endpoints.bed
Pair up the candidate endpoints. A candidate exision point would contain
both left-end (LE) and right-end (RE) within a given distance.
-----------| |------------
-------| |--------
---------| |----------
(RE) (LE)
"""
p = OptionParser(insertionpairs.__doc__)
p.add_option(
"--extend",
default=10,
type="int",
help="Allow insertion sites to match up within distance",
)
p.set_outfile()
opts, args = p.parse_args(args)
if len(args) != 1:
sys.exit(not p.print_help())
(bedfile, ) = args
mergedbedfile = mergeBed(bedfile, d=opts.extend, nms=True)
bed = Bed(mergedbedfile)
fw = must_open(opts.outfile, "w")
support = lambda x: -x.reads
for b in bed:
names = b.accn.split(",")
ends = [EndPoint(x) for x in names]
REs = sorted([x for x in ends if x.leftright == "RE"], key=support)
LEs = sorted([x for x in ends if x.leftright == "LE"], key=support)
if not (REs and LEs):
continue
mRE, mLE = REs[0], LEs[0]
pRE, pLE = mRE.position, mLE.position
if pLE < pRE:
b.start, b.end = pLE - 1, pRE
else:
b.start, b.end = pRE - 1, pLE
b.accn = "{0}|{1}".format(mRE.label, mLE.label)
b.score = pLE - pRE - 1
print(b, file=fw)
def insertionpairs(args):
"""
%prog insertionpairs endpoints.bed
Pair up the candidate endpoints. A candidate exision point would contain
both left-end (LE) and right-end (RE) within a given distance.
-----------| |------------
-------| |--------
---------| |----------
(RE) (LE)
"""
p = OptionParser(insertionpairs.__doc__)
p.add_option("--extend", default=10, type="int",
help="Allow insertion sites to match up within distance")
p.set_outfile()
opts, args = p.parse_args(args)
if len(args) != 1:
sys.exit(not p.print_help())
bedfile, = args
mergedbedfile = mergeBed(bedfile, d=opts.extend, nms=True)
bed = Bed(mergedbedfile)
fw = must_open(opts.outfile, "w")
support = lambda x: -x.reads
for b in bed:
names = b.accn.split(",")
ends = [EndPoint(x) for x in names]
REs = sorted([x for x in ends if x.leftright == "RE"], key=support)
LEs = sorted([x for x in ends if x.leftright == "LE"], key=support)
if not (REs and LEs):
continue
mRE, mLE = REs[0], LEs[0]
pRE, pLE = mRE.position, mLE.position
if pLE < pRE:
b.start, b.end = pLE - 1, pRE
else:
b.start, b.end = pRE - 1, pLE
b.accn = "{0}|{1}".format(mRE.label, mLE.label)
b.score = pLE - pRE - 1
print >> fw, b
def fill(args):
"""
%prog fill gaps.bed bad.fasta
Perform gap filling of one assembly (bad) using sequences from another.
"""
p = OptionParser(fill.__doc__)
p.add_option(
"--extend",
default=2000,
type="int",
help="Extend seq flanking the gaps",
)
opts, args = p.parse_args(args)
if len(args) != 2:
sys.exit(not p.print_help())
gapsbed, badfasta = args
Ext = opts.extend
gapdist = 2 * Ext + 1 # This is to prevent to replacement ranges intersect
gapsbed = mergeBed(gapsbed, d=gapdist, nms=True)
bed = Bed(gapsbed)
sizes = Sizes(badfasta).mapping
pf = gapsbed.rsplit(".", 1)[0]
extbed = pf + ".ext.bed"
fw = open(extbed, "w")
for b in bed:
gapname = b.accn
start, end = max(0, b.start - Ext - 1), b.start - 1
print("\t".join(str(x) for x in (b.seqid, start, end, gapname + "L")),
file=fw)
start, end = b.end, min(sizes[b.seqid], b.end + Ext)
print("\t".join(str(x) for x in (b.seqid, start, end, gapname + "R")),
file=fw)
fw.close()
fastaFromBed(extbed, badfasta, name=True)
def fill(args):
"""
%prog fill gaps.bed bad.fasta
Perform gap filling of one assembly (bad) using sequences from another.
"""
p = OptionParser(fill.__doc__)
p.add_option("--extend", default=2000, type="int",
help="Extend seq flanking the gaps [default: %default]")
opts, args = p.parse_args(args)
if len(args) != 2:
sys.exit(not p.print_help())
gapsbed, badfasta = args
Ext = opts.extend
gapdist = 2 * Ext + 1 # This is to prevent to replacement ranges intersect
gapsbed = mergeBed(gapsbed, d=gapdist, nms=True)
bed = Bed(gapsbed)
sizes = Sizes(badfasta).mapping
pf = gapsbed.rsplit(".", 1)[0]
extbed = pf + ".ext.bed"
fw = open(extbed, "w")
for b in bed:
gapname = b.accn
start, end = max(0, b.start - Ext - 1), b.start - 1
print >> fw, "\t".join(str(x) for x in \
(b.seqid, start, end, gapname + "L"))
start, end = b.end, min(sizes[b.seqid], b.end + Ext)
print >> fw, "\t".join(str(x) for x in \
(b.seqid, start, end, gapname + "R"))
fw.close()
fastaFromBed(extbed, badfasta, name=True)
def pastegenes(args):
"""
%prog pastegenes coverage.list old.genes.bed new.genes.bed old.assembly
Paste in zero or low coverage genes. For a set of neighboring genes
missing, add the whole cassette as unplaced scaffolds. For singletons the
program will try to make a patch.
"""
from jcvi.formats.base import DictFile
from jcvi.utils.cbook import gene_name
p = OptionParser(pastegenes.__doc__)
p.add_option(
"--cutoff",
default=90,
type="int",
help="Coverage cutoff to call gene missing",
)
p.add_option(
"--flank",
default=2000,
type="int",
help="Get the seq of size on two ends",
)
p.add_option(
"--maxsize",
default=50000,
type="int",
help="Maximum size of patchers to be replaced",
)
opts, args = p.parse_args(args)
if len(args) != 4:
sys.exit(not p.print_help())
coveragefile, oldbed, newbed, oldassembly = args
cutoff = opts.cutoff
flank = opts.flank
maxsize = opts.maxsize
coverage = DictFile(coveragefile, valuepos=2, cast=float)
obed = Bed(oldbed)
order = obed.order
bed = [x for x in obed if x.accn in coverage]
key = lambda x: coverage[x.accn] >= cutoff
extrabed = "extra.bed"
extendbed = "extend.bed"
pastebed = "paste.bed"
fw = open(extrabed, "w")
fwe = open(extendbed, "w")
fwp = open(pastebed, "w")
fw_ids = open(extendbed + ".ids", "w")
singletons, large, large_genes = 0, 0, 0
for chr, chrbed in groupby(bed, key=lambda x: x.seqid):
chrbed = list(chrbed)
for good, beds in groupby(chrbed, key=key):
if good:
continue
beds = list(beds)
blocksize = len(set([gene_name(x.accn) for x in beds]))
if blocksize == 1:
singletons += 1
accn = beds[0].accn
gi, gb = order[accn]
leftb = obed[gi - 1]
rightb = obed[gi + 1]
leftr = leftb.range
rightr = rightb.range
cur = gb.range
distance_to_left, oo = range_distance(leftr, cur)
distance_to_right, oo = range_distance(cur, rightr)
span, oo = range_distance(leftr, rightr)
if distance_to_left <= distance_to_right and distance_to_left > 0:
label = "LEFT"
else:
label = "RIGHT"
if 0 < span <= maxsize:
print(
"\t".join(
str(x) for x in (chr, leftb.start, rightb.end, gb.accn)
),
file=fwp,
)
print(leftb, file=fwe)
print(gb, file=fwe)
print(rightb, file=fwe)
print(
"L:{0} R:{1} [{2}]".format(
distance_to_left, distance_to_right, label
),
file=fwe,
)
print(gb.accn, file=fw_ids)
continue
large += 1
large_genes += blocksize
ranges = [(x.start, x.end) for x in beds]
rmin, rmax = range_minmax(ranges)
rmin -= flank
rmax += flank
name = "-".join((beds[0].accn, beds[-1].accn))
print("\t".join(str(x) for x in (chr, rmin - 1, rmax, name)), file=fw)
fw.close()
fwe.close()
extrabed = mergeBed(extrabed, d=flank, nms=True)
fastaFromBed(extrabed, oldassembly, name=True)
summary([extrabed])
logging.debug("Singleton blocks : {0}".format(singletons))
logging.debug("Large blocks : {0} ({1} genes)".format(large, large_genes))
def pastegenes(args):
"""
%prog pastegenes coverage.list old.genes.bed new.genes.bed old.assembly
Paste in zero or low coverage genes. For a set of neighboring genes
missing, add the whole cassette as unplaced scaffolds. For singletons the
program will try to make a patch.
"""
from jcvi.formats.base import DictFile
from jcvi.utils.cbook import gene_name
p = OptionParser(pastegenes.__doc__)
p.add_option("--cutoff", default=90, type="int",
help="Coverage cutoff to call gene missing [default: %default]")
p.add_option("--flank", default=2000, type="int",
help="Get the seq of size on two ends [default: %default]")
p.add_option("--maxsize", default=50000, type="int",
help="Maximum size of patchers to be replaced [default: %default]")
opts, args = p.parse_args(args)
if len(args) != 4:
sys.exit(not p.print_help())
coveragefile, oldbed, newbed, oldassembly = args
cutoff = opts.cutoff
flank = opts.flank
maxsize = opts.maxsize
coverage = DictFile(coveragefile, valuepos=2, cast=float)
obed = Bed(oldbed)
order = obed.order
bed = [x for x in obed if x.accn in coverage]
key = lambda x: coverage[x.accn] >= cutoff
extrabed = "extra.bed"
extendbed = "extend.bed"
pastebed = "paste.bed"
fw = open(extrabed, "w")
fwe = open(extendbed, "w")
fwp = open(pastebed, "w")
fw_ids = open(extendbed + ".ids", "w")
singletons, large, large_genes = 0, 0, 0
for chr, chrbed in groupby(bed, key=lambda x: x.seqid):
chrbed = list(chrbed)
for good, beds in groupby(chrbed, key=key):
if good:
continue
beds = list(beds)
blocksize = len(set([gene_name(x.accn) for x in beds]))
if blocksize == 1:
singletons += 1
accn = beds[0].accn
gi, gb = order[accn]
leftb = obed[gi - 1]
rightb = obed[gi + 1]
leftr = leftb.range
rightr = rightb.range
cur = gb.range
distance_to_left, oo = range_distance(leftr, cur)
distance_to_right, oo = range_distance(cur, rightr)
span, oo = range_distance(leftr, rightr)
if distance_to_left <= distance_to_right and \
distance_to_left > 0:
label = "LEFT"
else:
label = "RIGHT"
if 0 < span <= maxsize:
print >> fwp, "\t".join(str(x) for x in \
(chr, leftb.start, rightb.end, gb.accn))
print >> fwe, leftb
print >> fwe, gb
print >> fwe, rightb
print >> fwe, "L:{0} R:{1} [{2}]".format(distance_to_left, \
distance_to_right, label)
print >> fw_ids, gb.accn
continue
large += 1
large_genes += blocksize
ranges = [(x.start, x.end) for x in beds]
rmin, rmax = range_minmax(ranges)
rmin -= flank
rmax += flank
name = "-".join((beds[0].accn, beds[-1].accn))
print >> fw, "\t".join(str(x) for x in (chr, rmin - 1, rmax, name))
fw.close()
fwe.close()
extrabed = mergeBed(extrabed, d=flank, nms=True)
fastaFromBed(extrabed, oldassembly, name=True)
summary([extrabed])
logging.debug("Singleton blocks : {0}".format(singletons))
logging.debug("Large blocks : {0} ({1} genes)".format(large, large_genes))
def variation(args):
"""
%prog variation P1.bed P2.bed F1.bed
Associate IES in parents and progeny.
"""
p = OptionParser(variation.__doc__)
p.add_option("--diversity",
choices=("breakpoint", "variant"),
default="variant",
help="Plot diversity")
opts, args, iopts = p.set_image_options(args, figsize="6x6")
if len(args) != 3:
sys.exit(not p.print_help())
pfs = [op.basename(x).split('-')[0] for x in args]
P1, P2, F1 = pfs
newbedfile = "-".join(pfs) + ".bed"
if need_update(args, newbedfile):
newbed = Bed()
for pf, filename in zip(pfs, args):
bed = Bed(filename)
for b in bed:
b.accn = "-".join((pf, b.accn))
b.score = None
newbed.append(b)
newbed.print_to_file(newbedfile, sorted=True)
neworder = Bed(newbedfile).order
mergedbedfile = mergeBed(newbedfile, nms=True)
bed = Bed(mergedbedfile)
valid = 0
total_counts = Counter()
F1_counts = []
bp_diff = []
novelbedfile = "novel.bed"
fw = open(novelbedfile, "w")
for b in bed:
accns = b.accn.split(',')
pfs_accns = [x.split("-")[0] for x in accns]
pfs_counts = Counter(pfs_accns)
if len(pfs_counts) != 3:
print(b, file=fw)
continue
valid += 1
total_counts += pfs_counts
F1_counts.append(pfs_counts[F1])
# Collect breakpoint positions between P1 and F1
P1_accns = [x for x in accns if x.split("-")[0] == P1]
F1_accns = [x for x in accns if x.split("-")[0] == F1]
if len(P1_accns) != 1:
continue
ri, ref = neworder[P1_accns[0]]
P1_accns = [neworder[x][-1] for x in F1_accns]
bp_diff.extend(x.start - ref.start for x in P1_accns)
bp_diff.extend(x.end - ref.end for x in P1_accns)
print("A total of {0} sites show consistent deletions across samples.".\
format(percentage(valid, len(bed))), file=sys.stderr)
for pf, count in total_counts.items():
print("{0:>9}: {1:.2f} deletions/site".\
format(pf, count * 1. / valid), file=sys.stderr)
F1_counts = Counter(F1_counts)
# Plot the IES variant number diversity
from jcvi.graphics.base import plt, savefig, set_ticklabels_helvetica
fig = plt.figure(1, (iopts.w, iopts.h))
if opts.diversity == "variant":
left, height = zip(*sorted(F1_counts.items()))
for l, h in zip(left, height):
print("{0:>9} variants: {1}".format(l, h), file=sys.stderr)
plt.text(l,
h + 5,
str(h),
color="darkslategray",
size=8,
ha="center",
va="bottom",
rotation=90)
plt.bar(left, height, align="center")
plt.xlabel("Identified number of IES per site")
plt.ylabel("Counts")
plt.title("IES variation in progeny pool")
ax = plt.gca()
set_ticklabels_helvetica(ax)
savefig(F1 + ".counts.pdf")
# Plot the IES breakpoint position diversity
else:
bp_diff = Counter(bp_diff)
bp_diff_abs = Counter()
for k, v in bp_diff.items():
bp_diff_abs[abs(k)] += v
plt.figure(1, (iopts.w, iopts.h))
left, height = zip(*sorted(bp_diff_abs.items()))
for l, h in zip(left, height)[:21]:
plt.text(l,
h + 50,
str(h),
color="darkslategray",
size=8,
ha="center",
va="bottom",
rotation=90)
plt.bar(left, height, align="center")
plt.xlabel("Progeny breakpoint relative to SB210")
plt.ylabel("Counts")
plt.xlim(-.5, 20.5)
ax = plt.gca()
set_ticklabels_helvetica(ax)
savefig(F1 + ".breaks.pdf")
# Serialize the data to a file
fw = open("Breakpoint-offset-histogram.csv", "w")
for k, v in sorted(bp_diff.items()):
print("{0},{1}".format(k, v), file=fw)
fw.close()
total = sum(height)
zeros = bp_diff[0]
within_20 = sum([v for i, v in bp_diff.items() if -20 <= i <= 20])
print("No deviation: {0}".format(percentage(zeros, total)),
file=sys.stderr)
print(" Within 20bp: {0}".format(percentage(within_20, total)),
file=sys.stderr)
def variation(args):
"""
%prog variation P1.bed P2.bed F1.bed
Associate IES in parents and progeny.
"""
p = OptionParser(variation.__doc__)
p.add_option("--diversity", choices=("breakpoint", "variant"),
default="variant", help="Plot diversity")
opts, args, iopts = p.set_image_options(args, figsize="6x6")
if len(args) != 3:
sys.exit(not p.print_help())
pfs = [op.basename(x).split('-')[0] for x in args]
P1, P2, F1 = pfs
newbedfile = "-".join(pfs) + ".bed"
if need_update(args, newbedfile):
newbed = Bed()
for pf, filename in zip(pfs, args):
bed = Bed(filename)
for b in bed:
b.accn = "-".join((pf, b.accn))
b.score = None
newbed.append(b)
newbed.print_to_file(newbedfile, sorted=True)
neworder = Bed(newbedfile).order
mergedbedfile = mergeBed(newbedfile, nms=True)
bed = Bed(mergedbedfile)
valid = 0
total_counts = Counter()
F1_counts = []
bp_diff = []
novelbedfile = "novel.bed"
fw = open(novelbedfile, "w")
for b in bed:
accns = b.accn.split(',')
pfs_accns = [x.split("-")[0] for x in accns]
pfs_counts = Counter(pfs_accns)
if len(pfs_counts) != 3:
print >> fw, b
continue
valid += 1
total_counts += pfs_counts
F1_counts.append(pfs_counts[F1])
# Collect breakpoint positions between P1 and F1
P1_accns = [x for x in accns if x.split("-")[0] == P1]
F1_accns = [x for x in accns if x.split("-")[0] == F1]
if len(P1_accns) != 1:
continue
ri, ref = neworder[P1_accns[0]]
P1_accns = [neworder[x][-1] for x in F1_accns]
bp_diff.extend(x.start - ref.start for x in P1_accns)
bp_diff.extend(x.end - ref.end for x in P1_accns)
print >> sys.stderr, \
"A total of {0} sites show consistent deletions across samples.".\
format(percentage(valid, len(bed)))
for pf, count in total_counts.items():
print >> sys.stderr, "{0:>9}: {1:.2f} deletions/site".\
format(pf, count * 1. / valid)
F1_counts = Counter(F1_counts)
# Plot the IES variant number diversity
from jcvi.graphics.base import plt, savefig, set_ticklabels_helvetica
fig = plt.figure(1, (iopts.w, iopts.h))
if opts.diversity == "variant":
left, height = zip(*sorted(F1_counts.items()))
for l, h in zip(left, height):
print >> sys.stderr, "{0:>9} variants: {1}".format(l, h)
plt.text(l, h + 5, str(h), color="darkslategray", size=8,
ha="center", va="bottom", rotation=90)
plt.bar(left, height, align="center")
plt.xlabel("Identified number of IES per site")
plt.ylabel("Counts")
plt.title("IES variation in progeny pool")
ax = plt.gca()
set_ticklabels_helvetica(ax)
savefig(F1 + ".counts.pdf")
# Plot the IES breakpoint position diversity
else:
bp_diff = Counter(bp_diff)
bp_diff_abs = Counter()
for k, v in bp_diff.items():
bp_diff_abs[abs(k)] += v
plt.figure(1, (iopts.w, iopts.h))
left, height = zip(*sorted(bp_diff_abs.items()))
for l, h in zip(left, height)[:21]:
plt.text(l, h + 50, str(h), color="darkslategray", size=8,
ha="center", va="bottom", rotation=90)
plt.bar(left, height, align="center")
plt.xlabel("Progeny breakpoint relative to SB210")
plt.ylabel("Counts")
plt.xlim(-.5, 20.5)
ax = plt.gca()
set_ticklabels_helvetica(ax)
savefig(F1 + ".breaks.pdf")
# Serialize the data to a file
fw = open("Breakpoint-offset-histogram.csv", "w")
for k, v in sorted(bp_diff.items()):
print >> fw, "{0},{1}".format(k, v)
fw.close()
total = sum(height)
zeros = bp_diff[0]
within_20 = sum([v for i, v in bp_diff.items() if -20 <= i <= 20])
print >> sys.stderr, "No deviation: {0}".format(percentage(zeros, total))
print >> sys.stderr, " Within 20bp: {0}".format(percentage(within_20, total))
