embryonic segment (with ftz5)
ftz13/+ first instar larvae only rarely have segmentation defects.
At 26.5oC, about 64% of ftz5/ftz13 animals survive to adulthood, while at 27.5oC, about 35% survive to adulthood. At 26.5oC, ftz5/ftz13 embryos show variable segmentation phenotypes, ranging from normal to having defects in three ftz-dependent denticle belts. At 27.5oC, 53.8% of ftz5/ftz13 embryos have segment defects, with 4.3% having 3 ftz-dependent segments affected.
Homozygous embryos lack the odd-numbered abdominal segments.
Mutant embryos are deficient for cuticular structures derived from the even numbered parasegments.
P{ftzK}; ftz13 embryos fail to express ftz in the CNS and have a normal or only mildly defective epidermal development (FBrf0049007).
Subtle reduction in rate of germ band extension.
Double mutants with prd4 display a complete lack of segmentation.
Odd numbered denticle bands missing.
ftz5/ftz13 has partially lethal | heat sensitive phenotype, enhanceable | maternal effect by E(ftz)1427[+]/E(ftz)14271427
ftz5/ftz13 has partially lethal | heat sensitive phenotype, enhanceable | maternal effect by E(ftz)18151815/E(ftz)1815[+]
ftz5/ftz13 has partially lethal | heat sensitive phenotype, enhanceable | maternal effect by E(ftz)18191819/E(ftz)1819[+]
ftz5/ftz13 has partially lethal | heat sensitive phenotype, enhanceable | maternal effect by E(ftz)2020/E(ftz)20[+]
ftz5/ftz13 has partially lethal | heat sensitive phenotype, enhanceable | maternal effect by E(ftz)2142[+]/E(ftz)21422142
ftz5/ftz13 has partially lethal | heat sensitive phenotype, enhanceable | maternal effect by E(ftz)28282828/E(ftz)2828[+]
ftz5/ftz13 has partially lethal | heat sensitive phenotype, enhanceable | maternal effect by E(ftz)4236[+]/E(ftz)42364236
ftz5/ftz13 has partially lethal | heat sensitive phenotype, enhanceable | maternal effect by E(ftz)29552955/E(ftz)2955[+]
ftz5/ftz13 has partially lethal | heat sensitive phenotype, enhanceable | maternal effect by E(ftz)3150[+]/E(ftz)31503150
ftz5/ftz13 has partially lethal | heat sensitive phenotype, enhanceable | maternal effect by E(ftz)32013201/E(ftz)3201[+]
ftz5/ftz13 has partially lethal | heat sensitive phenotype, enhanceable | maternal effect by E(ftz)4038[+]/E(ftz)40384038
ftz5/ftz13 has partially lethal | heat sensitive phenotype, enhanceable | maternal effect by E(ftz)4758[+]/E(ftz)47584758
ftz5/ftz13 has partially lethal | heat sensitive phenotype, enhanceable | maternal effect by E(ftz)53035303/E(ftz)5303[+]
ftz5/ftz13 has partially lethal | heat sensitive phenotype, enhanceable | maternal effect by Gug[+]/Gug1757
ftz5/ftz13 has partially lethal | heat sensitive phenotype, enhanceable | maternal effect by Gug2295/Gug[+]
ftz5/ftz13 has partially lethal | heat sensitive phenotype, enhanceable | maternal effect by Gug3333/Gug[+]
ftz5/ftz13 has partially lethal | heat sensitive phenotype, enhanceable | maternal effect by bek1/bek[+]
ftz5/ftz13 has partially lethal | heat sensitive phenotype, enhanceable | maternal effect by ftz-f1[+]/ftz-f13443
ftz5/ftz13 has partially lethal | heat sensitive phenotype, enhanceable by E(ftz)723[+]/E(ftz)723723
ftz5/ftz13 has partially lethal | heat sensitive phenotype, enhanceable | maternal effect by ftz-f1[+]/ftz-f15308
ftz5/ftz13 has partially lethal | heat sensitive phenotype, enhanceable | maternal effect by hth2232/hth[+]
ftz5/ftz13 has partially lethal | heat sensitive phenotype, enhanceable | maternal effect by ftz-f12478/ftz-f1[+]
ftz5/ftz13 has partially lethal | heat sensitive phenotype, enhanceable | maternal effect by eIF4E12188/eIF4E1[+]
ftz5/ftz13 has partially lethal | heat sensitive phenotype, enhanceable | maternal effect by Gug519/Gug[+]
ftz5/ftz13 has partially lethal | heat sensitive phenotype, enhanceable by how[+]/how2455
ftz5/ftz13 has partially lethal | heat sensitive phenotype, enhanceable | maternal effect by E(ftz)10271027/E(ftz)1027[+]
ftz13 has embryonic/first instar larval cuticle phenotype, enhanceable by egl3e/egl1
ftz5/ftz13 has embryonic segment phenotype, enhanceable by E(ftz)18151815/E(ftz)1815[+]
ftz5/ftz13 has embryonic segment phenotype, enhanceable by E(ftz)18191819/E(ftz)1819[+]
ftz5/ftz13 has embryonic segment phenotype, enhanceable by E(ftz)2020/E(ftz)20[+]
ftz5/ftz13 has embryonic segment phenotype, enhanceable by E(ftz)2142[+]/E(ftz)21422142
ftz5/ftz13 has embryonic segment phenotype, enhanceable by E(ftz)29552955/E(ftz)2955[+]
ftz5/ftz13 has embryonic segment phenotype, enhanceable by E(ftz)3150[+]/E(ftz)31503150
ftz5/ftz13 has embryonic segment phenotype, enhanceable by E(ftz)32013201/E(ftz)3201[+]
ftz5/ftz13 has embryonic segment phenotype, enhanceable by E(ftz)4038[+]/E(ftz)40384038
ftz5/ftz13 has embryonic segment phenotype, enhanceable by E(ftz)723[+]/E(ftz)723723
ftz5/ftz13 has embryonic segment phenotype, enhanceable by Gug[+]/Gug1757
ftz5/ftz13 has embryonic segment phenotype, enhanceable by Gug3333/Gug[+]
ftz5/ftz13 has embryonic segment phenotype, enhanceable by bek1/bek[+]
ftz5/ftz13 has embryonic segment phenotype, enhanceable by ftz-f1[+]/ftz-f13443
ftz5/ftz13 has embryonic segment phenotype, enhanceable by ftz-f1[+]/ftz-f15308
ftz5/ftz13 has embryonic segment phenotype, enhanceable by hth2232/hth[+]
ftz5/ftz13 has embryonic segment phenotype, enhanceable by ftz-f12478/ftz-f1[+]
ftz5/ftz13 has embryonic segment phenotype, enhanceable by Gug519/Gug[+]
ftz5/ftz13 has embryonic segment phenotype, enhanceable by E(ftz)1427[+]/E(ftz)14271427
ftz5/ftz13 has embryonic segment phenotype, suppressible by E(ftz)4236[+]/E(ftz)42364236
ftz5/ftz13 has embryonic segment phenotype, suppressible by how[+]/how2455
ftz[+]/ftz13 is an enhancer of embryonic segment | maternal effect | germline clone phenotype of bek1
The segmentation defects seen in ftz5/ftz13 embryos at 27.5oC are dominantly enhanced by the following (in each case the % of embryos with segmentation defects followed by the % of embryos with at least 3 ftz-dependent segments affected are given in parentheses after the enhancing allele); ftz-f12478 (95.9%, 44.7%), ftz-f13443 (98.5%, 35.1%), ftz-f15308 (91.3%, 40.5%), Gug519 (100%, 90.2%), Gug1757 (89.7%, 55.1%), Gug3333 (98.7%, 98.0%), bek1 (92.5%, 61.9%), hth2232 (73.9%, 16.3%), E(ftz)2020 (72.4%, 11.2%), E(ftz)723723 (91.9%, 32.5%), E(ftz)14271427 (99.4%, 93.1%), E(ftz)18151815 (72.1%, 22.1%), E(ftz)18191819 (97.8%, 31.3%), E(ftz)21422142 (93.1%, 13.2%), E(ftz)29552955 (78.5%, 16.2%), E(ftz)31503150 (95.0%, 79.4%), E(ftz)32013201 (88.7%, 15.5%), E(ftz)40384038 (82.9%, 23.6%). how2455 dominantly suppresses the segmentation defects seen in ftz5/ftz13 embryos at 27.5oC; 26.2% of the embryos have segment defects and 1.5% have at least 3 ftz-dependent segments affected. E(ftz)42364236 dominantly suppresses the segmentation defects seen in ftz5/ftz13 embryos at 27.5oC; 39.0% of the embryos have segment defects and 1.2% have at least 3 ftz-dependent segments affected. The frequency of segmentation defects seen in embryos derived from a cross of bek1/+ males to females carrying homozygous bek1 germline clones is increased if the fathers also carry ftz13.
ftz13 is rescued by ftzNE.LRAAA
ftz13 is rescued by ftzNE.AAAA
ftz13 is rescued by Antp::ftzftzAntpHD.NE
ftz13 is rescued by ftz::Tcas\ftzftzTcHD.NE
ftz13 is partially rescued by ftz::Asal\ftzftzAsHD.NE
ftz11/ftz13 is partially rescued by ftzΔ257-316.αTub84B
ftz11/ftz13 is partially rescued by ftzαTub84B.PA
21 to 71% of ftz11/ftz13 flies are rescued to adulthood by ftz+tDa. 2 to 5% of ftz11/ftz13 flies are rescued to adulthood by ftzT263D. Larval cuticles of ftz11/ftz13 animals rescued by ftzT263D are indistinguishable from wild-type. ftz11/ftz13 flies are not rescued to adulthood by ftzT263A. Larval cuticles of ftz11/ftz13 animals carrying ftzT263A have pair-wise deletions of even-numbered parasegments. The penetrance of the phenotype is variable and defects in each ftz-dependent parasegment (PS) occur with a characteristic frequency. These range from the most to least frequently affected as follows: PS2 > PS6 > PS10 = PS4 > PS12 = PS14 > PS8.
Jurgens.
Removes even numbered en stripes.
Mutant phenotype of the ftz13/ftz14 heterozygote can be rescued to adulthood by the P{ftz4} construct. Partial rescue is seen with P{ftz5} construct and its revertants and no rescue with the P{ftzΔHD} construct.