Laboratory Information

NameBK View on WormBase
Allele designationqp
HeadMatthew J Buechner
InstitutionUniversity of Kansas, Lawrence, KS
Address University of Kansas
8035 Haworth Hall
1200 Sunnyside Ave.
Lawrence 66045
United States
Website http://www.molecularbiosciences.ku.edu/~mb/cgi-bin/viewprofile.shtml?id=7
Gene classes

Strains contributed by this laboratory

Strain Genotype Species Description
BK201 qpIs95 X. C. elegans qpIs95 [exc-9p::mCherry::eea-1] X. Expression of mCherry-tagged EEA-1 of early endosomes in cytoplasm of excretory canals along nearly entire length of worm. Fluorescence not strong. Generated in N2 background. Construct integrated on X chromosome. Reference: Mattingly BC & Buechner M. Dev Biol. 2011 Nov 1;359(1):59-72. doi: 10.1016/j.ydbio.2011.08.011. PMID: 21889936.
BK204 qpIs96. C. elegans qpIs96 [exc-9p::mCherry::cdc-42]. Expression of mCherry-tagged cytoplasmic CDC-42. Generated in N2 background. Unknown site of construct integration. Reference: Mattingly BC & Buechner M. Dev Biol. 2011 Nov 1;359(1):59-72. doi: 10.1016/j.ydbio.2011.08.011. PMID: 21889936.
BK205 qpIs97 V. C. elegans qpIs97 [exc-9p::mCherry::rab-11] V. Expression of mCherry-tagged RAB-11 of recycling endosomes in cytoplasm of excretory canals along nearly entire length of worm. Generated in N2 background. Reference: Mattingly BC & Buechner M. Dev Biol. 2011 Nov 1;359(1):59-72. doi: 10.1016/j.ydbio.2011.08.011. PMID: 21889936.
BK206 qpIs98. C. elegans qpIs98 [exc-9p::mCherry::glo-1]. Expression of mCherry-tagged GLO-1 of lysosomes in cytoplasm of excretory canals along nearly entire length of worm. Unknown site of construct integration. Reference: Mattingly BC & Buechner M. Dev Biol. 2011 Nov 1;359(1):59-72. doi: 10.1016/j.ydbio.2011.08.011. PMID: 21889936.
BK210 qpIs100. C. elegans qpIs100 [exc-9p::mCherry::rab-7]. Expression of mCherry-tagged RAB-7 of late endosomes in cytoplasm of excretory canals along nearly entire length of worm. Generated in N2 background. Unknown site of construct integration. Reference: Mattingly BC & Buechner M. Dev Biol. 2011 Nov 1;359(1):59-72. doi: 10.1016/j.ydbio.2011.08.011. PMID: 21889936.
BK211 qpIs101 X. C. elegans qpIs101 [exc-9p::mCherry::rme-1] X. N2 containing construct conferring expression of mCherry-tagged RME-1 of recycling endosomes in cytoplasm of excretory canals along nearly entire length of worm. Reference: Mattingly BC & Buechner M. Dev Biol. 2011 Nov 1;359(1):59-72. doi: 10.1016/j.ydbio.2011.08.011. PMID: 21889936.
BK220 qpIs103. C. elegans qpIs103 [exc-9p::mCherry::GRIP]. Expression of mCherry-tagged mammalian GRIP of Golgi in cytoplasm of excretory canals along nearly entire length of worm. Generated in N2 background. Unknown site of construct integration. Reference: Mattingly BC & Buechner M. Dev Biol. 2011 Nov 1;359(1):59-72. doi: 10.1016/j.ydbio.2011.08.011. PMID: 21889936.
BK36 qpIs11 I; unc-119(ed3) III. C. elegans qpIs11 [vha-1p::GFP + unc-119(+)] I. Strong expression of GFP in the cytoplasm of the excretory canal cell (exc) and slightly less strong expression in the head mesodermal cell (hmc). Reference: Mattingly BC & Buechner M. Dev Biol. 2011 Nov 1;359(1):59-72.
BK530 ifc-2(qp110) X. C. elegans Large cysts in excretory canal, sometimes visible with dissecting microscope. qp110 deletion removes part of promoter and first 2 bases of start codon of ifc-2. Deletion of bases 650114 ttttctagggtcctcatcacaaAT 650091 of Chr X (Wormbase WS297 release). Reference: Al-Hashimi H, et al. Genetics. 2018 Oct;210(2):637-652. doi: 10.1534/genetics.118.301078. PMID: 29945901.
BK531 ifc-2(qpIs111[gfp::3xflag::ifc-2]) X. C. elegans GFP::3xFlag tag inserted at N-terminus of endogenous ifc-2 locus. Strong GFP signal forming meshwork at lumenal surface of excretory canal cell, visible along entire canal lengths. Insertion between bases 650089 and 650090 of Chrom. X (Wormbase WS297 release). Reference: Al-Hashimi H, et al. Genetics. 2018 Oct;210(2):637-652. doi: 10.1534/genetics.118.301078. PMID: 29945901.
BK532 ifa-4(qpIs112[mKate2::3xmyc::ifa-4]) X. C. elegans mKate2::3xMyc tag inserted at N-terminus of endogenous ifa-4 locus. Strong mKate2 signal at lumenal surface of excretory canal cell lumen along entire canal lengths. Insertion between bases 4515979 and 4515978 of Chom. X (Wormbase WS297 release). Reference: Al-Hashimi H, et al. Genetics. 2018 Oct;210(2):637-652. doi: 10.1534/genetics.118.301078. PMID: 29945901.
BK533 ifc-2(qpIs111[gfp::3xflag::ifc-2]) ifa-4(qpIs112[mKate2::3xmyc::ifa-4]) X. C. elegans GFP::3xFlag tag inserted at N-terminus of endogenous ifc-2 locus. mKate2::3xMyc tag inserted at N-terminus of endogenous ifa-4 locus. Strong GFP signal forming meshwork at lumenal surface of excretory canal cell. Strong GFPand mKate2 signal at lumenal surface of excretory canal cell lumen along entire canal lengths. qpIs112 insertion made in parental strain BK531 qpIs111. Inserted between bases 4515979 and 4515978 of Chom. X (Wormbase WS297 release). Reference: Al-Hashimi H, et al. Genetics. 2018 Oct;210(2):637-652. doi: 10.1534/genetics.118.301078. PMID: 29945901.
BK585 exc-9(qpIs124[gfp::3xFlag::exc-9]) IV; ifc-2(rh247) X. C. elegans GFP::3xFlag tag inserted at N-terminus of endogenous exc-9 locus. Large cysts in excretory canal, sometimes visible with dissecting microscope, due to loss of intermediate filament-like protein IFC-2 (formerly called EXC-2). Canals labeled with GFP and 3xFlag. GFP::3xFlag tag was inserted with repair of qp130 deletion in parental strain BK596. Derived by crossing parental strains BK583 x NJ678 and selecting for canal cysts and fluorescence. Reference: Yang Z, et al. J Cell Biol. 2020 Nov 2;219(11):e202003152. doi: 10.1083/jcb.202003152. PMID: 32860501.
BK587 exc-9(qpIs124[gfp::3xFlag::exc-9]) IV; ifa-4(ok1717) X. C. elegans GFP::3xFlag tag inserted at N-terminus of endogenous exc-9 locus. Large cysts in excretory canal, sometimes visible with dissecting microscope, due to loss of intermediate filament IFA-4. Canals labeled with GFP and 3xFlag. GFP::3xFlag tag was inserted with repair of qp130 deletion in parental strain BK596. Derived by crossing parental strains BK583 x VC1221 and selecting for canal cysts and fluorescence. Reference: Yang Z, et al. J Cell Biol. 2020 Nov 2;219(11):e202003152. doi: 10.1083/jcb.202003152. PMID: 32860501.
BK588 exc-9(qpIs124[gfp::3xFlag::exc-9]) IV; ifa-4(qpIs112[mKate2::3xmyc::ifa-4]) X. C. elegans mKate2::3xMyc tag inserted at N-terminus of endogenous ifa-4 locus. GFP::3xFlag tag inserted at N-terminus of endogenous exc-9 locus. GFP::3xFlag tag was inserted with repair of qp130 deletion in parental strain BK596. Strong mKate2 signal at lumenal surface of excretory canal cell lumen and along entire canal lengths. Canals labeled with GFP and 3xFlag. Derived by crossing parental strains BK583 x BK532 and selecting for canal cysts and both GFP and mKate fluorescence. Reference: Yang Z, et al. J Cell Biol. 2020 Nov 2;219(11):e202003152. doi: 10.1083/jcb.202003152. PMID: 32860501.
BK589 exc-9(qpIs125[exc-9::gfp::3xFlag]) IV. C. elegans GFP::3xFlag tag inserted at C-terminus of endogenous exc-9 locus. Reference: Yang Z, et al. J Cell Biol. 2020 Nov 2;219(11):e202003152. doi: 10.1083/jcb.202003152. PMID: 32860501.
BK590 exc-9(qpIs126[mKate2::3xMyc::exc-9]) IV. C. elegans mKate2::3xMyc tag inserted at N-terminus of endogenous exc-9 locus. Canals labeled with mKate2 and 3xMyc. Tag was inserted with repair of qp130 deletion in parental strain BK596. Reference: Yang Z, et al. J Cell Biol. 2020 Nov 2;219(11):e202003152. doi: 10.1083/jcb.202003152. PMID: 32860501.
BK596 exc-9(qp130) IV. C. elegans CRISPR-induced deletion of bases -1 through +8 of coding region to create a knockout allele of exc-9. Large cysts in excretory canal, sometimes visible with dissecting microscope. Reference: Yang Z, et al. J Cell Biol. 2020 Nov 2;219(11):e202003152. doi: 10.1083/jcb.202003152. PMID: 32860501.
BK597 exc-1(qp127[exc-1::gfp::3xflag]) I. C. elegans GFP::3xFlag tag inserted at N-terminus of endogenous exc-1 locus. Strong GFP signal forming meshwork at apical (lumenal) surface of excretory canal cell canals visible along entire canal lengths. Expression also visible in uterine seam cell and distal tip cells. Inserted between bases 15477404 and 15477403 of Chrom. X (Wormbase WS297 release). Reference: Yang Z, et al. J Cell Biol. 2020 Nov 2;219(11):e202003152. doi: 10.1083/jcb.202003152. PMID: 32860501.
BK600 exc-9(qp128[gfp::3xflag::exc-9(*LIM)] *qp124) IV. C. elegans 2nd, 3rd, and 4th Cysteines in EXC-9 LIM domain replaced with Alanines in endogenoulsy-tagged exc-9 locus. Canals slightly shortened. Derived by further CRISPR modification of qp124. Reference: Yang Z, et al. J Cell Biol. 2020 Nov 2;219(11):e202003152. doi: 10.1083/jcb.202003152. PMID: 32860501.
BK601 exc-1(rh26) X; arIs198. C. elegans arIs198 [glt-3p::CFP + glt-3p::LifeAct::TagRFP]. Shortened excretory canals from loss of GTPase (IRG homologue). Derived by crossing parental strains NJ51 to GS7637 and outcrossing to remove cyk-1 mutation on LG IV. Reference: Yang Z, et al. J Cell Biol. 2020 Nov 2;219(11):e202003152. doi: 10.1083/jcb.202003152. PMID: 32860501.
BK602 exc-5(rh232) IV; arIs198. C. elegans arIs198 [glt-3p::CFP + glt-3p::LifeAct::TagRFP]. Large cysts in excretory canal, sometimes visible with dissecting microscope. Fluorescence shows some filamentation of actin fibers at apical (lumenal) surface of cysts. Derived by crossing parental strains NJ731 to GS7637 and outcrossing 3x to remove cyk-1 mutation on LG IV. Reference: Yang Z, et al. J Cell Biol. 2020 Nov 2;219(11):e202003152. doi: 10.1083/jcb.202003152. PMID: 32860501.
BK603 exc-9(n2669) IV; arIs198. C. elegans arIs198 [glt-3p::CFP + glt-3p::LifeAct::TagRFP]. Large cysts in excretory canal, sometimes visible with dissecting microscope. Fluorescence shows some filamentation of actin fibers at apical (lumenal) surface of cysts. Derived by crossing parental strains MT6984 to GS7637 and outcrossing 3x to remove cyk-1 mutation on LG III. Reference: Yang Z, et al. J Cell Biol. 2020 Nov 2;219(11):e202003152. doi: 10.1083/jcb.202003152. PMID: 32860501.
MT6984 exc-9(n2669) IV. C. elegans Wide, meandering excretory canals, with some septate fluid-filled cysts. Canal enlargement visible from L1 through adult. Defect visible only by Nomarski microscopy. n2669 was originally listed as an allele of exc-5. Later repeated complementation tests showed n2669 to be an allele of a novel locus positioned close to exc-5.
NJ51 exc-1(rh26) X. C. elegans Excretory canal defect. Large fluid-filled cysts appear randomly along the excretory canal, especially at the tips: 100% penetrant. Cysts often visible as clear spots by low-power microscopy. Shortened canals. Smaller cysts in amphid sheath. Stop mutation in 2nd Ras-like IRGP domain. Encodes homologue of human IRGC. [NOTE (08/2025): The correct genotype of this strain is exc-1(rh26), not exc-3(rh26) as previously described.]
NJ555 exc-3(rh207) X. C. elegans Excretory canal defect. Canals are shortened and animal is somewhat pale. Defect visible only by Nomarski microscopy. Tail spike is often malformed.
NJ602 ifc-2(rh209) X. C. elegans Homozygous viable, but poor growth and some mortality at lower osmolarity. Large fluid-filled cysts in excretory cell body and shortened canals, sometimes visible with dissecting microscope. Encodes intermediate filament protein. ifc-2 formerly known as exc-2. References: Buechner M, et al. Dev Biol. 1999 Oct 1;214(1):227-41. doi: 10.1006/dbio.1999.9398. PMID: 10491271.
NJ678 ifc-2(rh247) X. C. elegans Homozygous viable, but poor growth and some mortality at lower osmolarity. Large fluid-filled cysts in excretory cell body and shortened canals, sometimes visible with dissecting microscope. Encodes intermediate filament protein. ifc-2 formerly known as exc-2. References: Buechner M, et al. Dev Biol. 1999 Oct 1;214(1):227-41. doi: 10.1006/dbio.1999.9398. PMID: 10491271. Yang Z, et al. J Cell Biol. 2020 Nov 2;219(11):e202003152. doi: 10.1083/jcb.202003152. PMID: 32860501.
NJ683 exc-7(rh252) II. C. elegans Excretory canal defect. Canal is invariably short with multiple cysts of varying size clustered along length, especially at the tips. Visible only by Nomarski microscopy. Tail spike is often slightly malformed. Animal is somewhat pale.
NJ831 exc-3(rh186) X. C. elegans Excretory canal defect. Hypomorphic allele. Canals are slightly shortened. Defect visible only by Nomarski microscopy.
NJ833 exc-6(rh103) III. C. elegans Excretory canal defect. Canal varies in length from no outgrowth to almost complete outgrowth. Frequent small vacuoles and extra branchings in the canal lumen visible only by Nomarski microscopy. Animals are somewhat pale.
This laboratory hasn't submitted any alleles to the CGC.