Running: PomBase::Check::GenotypeBackgrounds failed: Check the genotype backgrounds and report anything that shouldn't be there UNKNOWN,"h+ ura4-D18 leu1-32 ade6-M210/M216","M216" UNKNOWN,"h- leu1-32 ura4-D18 pmd1::hisG bfr1::ura4+ DBAP","pmd1::hisG bfr1::ura4+ DBAP" UNKNOWN,"h- leu1-32 CFP-atg8::leu1+","CFP-atg8::leu1+" UNKNOWN,"h90 his5::ura3GFP::psy1+::LEU2 sid4+::tdTomato::hphMX6 ura4-D18 leu1-32 cyhR EAP20","his5::ura3GFP::psy1+::LEU2 sid4+::tdTomato::hphMX6 cyhR EAP20" UNKNOWN,"Prototroph of ED668","Prototroph of ED668" UNKNOWN,"SP287","SP287" UNKNOWN,"H1::hygr","H1::hygr" UNKNOWN,"h90 mag2-NATMX-rpt6","mag2-NATMX-rpt6" UNKNOWN,"mat1-M smt-0","mat1-M smt-0" UNKNOWN,"h- prototroph","prototroph" UNKNOWN,"h- leu1-32 ura4-D18 ade6-M210 ksg1::natMX4","ksg1::natMX4" UNKNOWN,"cdc18delta::ura4+ ade6-M210 ura4-D18 his3-D1 [pDAD112]","cdc18delta::ura4+ [pDAD112]" UNKNOWN,"972 h-","972" UNKNOWN,"h- leu1-32 ade6-210 ura4-DS/E","ura4-DS E" UNKNOWN,"mat1M-smt0 his2 leu1-32 ura4-DSE ade6-210 otr1R:ura4 + Spr156","mat1M-smt0 his2 ura4-DSE otr1R:ura4 + Spr156" UNKNOWN,"ura4-D18 leu1-32 ade6-210 DS2","DS2" UNKNOWN,"h90 ura1- leu1-32 ade6-M216 mam2::LEU2","mam2::LEU2" 28977e64fba675ea,"P81nmt","P81nmt" 43f8a34aa26e2202,"cdc2Hs leu1-32 his3-27","cdc2Hs" 9d58ec3ae4a32b92,"REIIdelta","REIIdelta" 9f25f26d17f2ec78,"pat1-as2","pat1-as2" 9f25f26d17f2ec78,"pat1-as2 cdc2delta cdc13delta","pat1-as2" 443d8e38e12610f6,"Pnmt41+thiamine","Pnmt41+thiamine" 037f5fa29955cd85,"cdc10-ts","cdc10-ts" d9182b3ccf6650bd,"ago1+ overexpression","overexpression" 661292025a8cdee8,"gls1Δ-H","gls1Δ-H" 733ed151713320db,"mat1-Msmto","mat1-Msmto" c92c4fac293808ab,"smt-0/smt-0 non-sporulating","smt-0 smt-0 non-sporulating" 46c89f342f117ca5,"P cell genome","P cell genome" 46c89f342f117ca5,"M cell (h-)","M cell (h-)" 6c335a4e1d1a262d,"leu1-32, his7-366, pJL(his7+ adh-tk (herpes simplex thymidine kinase), pFS181(leu1+ adh1-hENT1(human nucleoside transporter))","pJL(his7+ adh-tk (herpes simplex thymidine kinase), pFS181(leu1+ adh1-hENT1(human nucleoside transporter))" 27553d3352ec591e,"tetR-clr4-cdd clr4+ 4xtetO-ade6","tetR-clr4-cdd 4xtetO-ade6" b3bc9cbfdcacc24c,"skb15::ura4+, ade2+, ura4+, ade6-M210, leu1-32, ura4-D18, h90","skb15::ura4+," 40aa30b33b608f68,"ura4delta-18","ura4delta-18" d62844597282017d,"cdc18+[Not assayed]","cdc18+[Not assayed]" d62844597282017d,"nmt1-cdc18+[Not assayed]","nmt1-cdc18+[Not assayed]" a765c0082a3d7619,"Pnmt1-mad2","Pnmt1-mad2" d4ae29a798ec94dd,"N-terminal GST fusion","N-terminal GST fusion" 79ecbc11c0699149,"ura4+ with RTS1 at each side of coding sequence","with RTS1 at each side of coding sequence" b2ae716b0ad7c3cb,"cdc25-22 wee1-as8 cut9ts","cut9ts" 4fc60b01472378b1,"h+ sup3-5 ade6-704 leu1-32","sup3-5" 4f106c6e34491953,"mat1-Pdelta17","mat1-Pdelta17" 4f106c6e34491953,"mat1-Msmt0","mat1-Msmt0" 4f106c6e34491953,"nmt1-mat1-P mat2delta mat3delta","nmt1-mat1-P mat2delta mat3delta" 4f106c6e34491953,"mat1-M mat2delta mat3delta","mat1-M mat2delta mat3delta" 9b7a8fcbcc0f3510,"Rho1.C17R-GFP","Rho1.C17R-GFP" 93c624d8e120755e,"rum1-HA","rum1-HA" 8eba150e69a624ea,"kΔ::ade6+","kΔ::ade6+" 72d1b19a5566d798,"h+N","h+N" 72d1b19a5566d798,"h-S","h-S" 72d1b19a5566d798,"h-S smt-0","h-S smt-0" 05ebdc773cdd0a9d,"Pnmt1-FLAG","Pnmt1-FLAG" 1bc92c0f892db627,"l","l" 25a5d9e72c9fc7ec,"mad2-OP","mad2-OP" 06a0bcdb548ec92c,"∆asp1","∆asp1" 0a4aae8859bbb8db,"ade, ura-, leu-","ade, ura-, leu-" 1451dc417735a0d7,"rho0","rho0" 6a42f3bfbbc08463,"t-lexBS-ura4sd20 < ori","t-lexBS-ura4sd20 < ori" f3db412b3e0f395f,"mes11delta","mes11delta" 1fc7b14866f0e4e3,"natR Chromosome 3 disomy","Chromosome 3 disomy" 1fc7b14866f0e4e3,"natR, chromosome 3 disomy","chromosome 3 disomy" 1fc7b14866f0e4e3,"natR, Chromosome 3 disomy","Chromosome 3 disomy" 1fc7b14866f0e4e3,"nat3 Chromosome 3 disomy","nat3 Chromosome 3 disomy" 1fc7b14866f0e4e3,"natR Chromsome 3 disomy","Chromsome 3 disomy" 1ff973d4c300af54,"CDC2HS his3-27 leu1-32","CDC2HS" aee38813cc53380f,"sam3","sam3" 166679a73087715a,"cob1-Δ-intron cox1-Δ-intron","cob1-Δ-intron cox1-Δ-intron" 7ea26987e7982227,"P81nmt1-smi1","P81nmt1-smi1" b1bc10e390be46c7,"Sid4–mCherry, Sad1.2–mCherry","Sid4–mCherry, Sad1.2–mCherry" b1bc10e390be46c7,"hht1-CFP mCherry-atb2","hht1-CFP mCherry-atb2" f5403fffd3ecaf81,"rpl13-2xFKBP12","rpl13-2xFKBP12" 36de390cd2e1923e,"mGFP-wsp1","mGFP-wsp1" e13e49a2df6b7722,"Cnp3C-TEV (kinetochore localized protease)","Cnp3C-TEV (kinetochore localized protease)" af39cc71da933c2d,"[prt2-pho84-nc-pho1-pho1]∆","[prt2-pho84-nc-pho1-pho1]∆" a40d7474e17bb4c0,"t-ura4-sd20:lexA < ori","t-ura4-sd20:lexA < ori" a6e8deacb9e3b2bd,"pkd2::pkd2-B42-ura4+-hist5+ leu1-32","pkd2::pkd2-B42-ura4+-hist5+" c2aaa605ef48b5f8,"nda1-","nda1-" c2aaa605ef48b5f8,"nda-","nda-" 9ef8610874465dee,"h-/h- pat1-as2/pat1-as2","pat1-as2 pat1-as2" 5b68d89f4f39e301,"natR leu+ ura-","leu+ ura-" 5b68d89f4f39e301,"natR leu- ura-","leu- ura-" 0d06afc3089ee763,"C-terminal 3xHA","C-terminal 3xHA" 0d06afc3089ee763,"N-terminal 3xHA","N-terminal 3xHA" 0d06afc3089ee763,"N-terminal 3 x HA","N-terminal 3 x HA" 72253744aee8333c,"h- asp1-WT::kanMX","asp1-WT::kanMX" e9c626e3d4661f4d,"tetR-clr4-I ura4delta::10xtetO-ade6+ clr4+","tetR-clr4-I ura4delta::10xtetO-ade6+" e9c626e3d4661f4d,"tetR-clr4-I ura4delta::10xtetO-ade6+","tetR-clr4-I ura4delta::10xtetO-ade6+" e9c626e3d4661f4d,"tetR-clr4-I ura4delta::10xtetO-ade6+ clr4-deltaCD","tetR-clr4-I ura4delta::10xtetO-ade6+ clr4-deltaCD" f93022f938a65fbf,"mat gene-induced haploid meiosis, nda3-K311","mat gene-induced haploid meiosis, nda3-K311" f93022f938a65fbf,"nda3-K311","nda3-K311" f93022f938a65fbf,"nda3-K311, mat gene-induced haploid meiosis","nda3-K311, mat gene-induced haploid meiosis" 5a8021665769078b,"nse1-OE","nse1-OE" f54275f3a8758cf5,"skp1- AtTIR1-NLS","skp1- AtTIR1-NLS" f54275f3a8758cf5,"skp1- AtTIR1-NLS, nda3-KM311","skp1- AtTIR1-NLS," 4dc2c4129add9a12,"Pnmt81","Pnmt81" 4dc2c4129add9a12,"Pnmt41","Pnmt41" f0afc6fe7b0b439a,"slp1-shutoff","slp1-shutoff" bad7d44a253000ca,"mat2-3delta","mat2-3delta" bad7d44a253000ca,"H3-H4x1 (hht1delta hht3delta hhf1delta hhf3delta) mat2-3delta","H3-H4x1 (hht1delta hhf3delta) mat2-3delta" 2d8412a36a34689a,"rtn1Δ yop1Δ spo7-aid*-HA","spo7-aid*-HA" 8ca59104c61e0b02,"CCL18 ura4-D18","CCL18" 8ca59104c61e0b02,"h+ cdc25-22 kanR leu1-32 ura4-D18 CCL13","CCL13" 8ca59104c61e0b02,"h+ ade6-M210 ura4-D18 CCL9","CCL9" 8ca59104c61e0b02,"CCL15 ura4-D18","CCL15" 8ca59104c61e0b02,"CCL5 h- kanR","CCL5" 8ca59104c61e0b02,"CCL19 ura4 D19","CCL19 ura4 D19" 8ca59104c61e0b02,"CCL23 ura4-D18","CCL23" 8ca59104c61e0b02,"CCL20 ura4-D18","CCL20" 8ca59104c61e0b02,"CCL21","CCL21" 8ca59104c61e0b02,"CCL3 h- ade6-704 leu1-32 ura4-D18","CCL3" 8ca59104c61e0b02,"CCL22 ura4-D18","CCL22" 8ca59104c61e0b02,"CCL24 ura4-D18","CCL24" 8ca59104c61e0b02,"CCL16 ura4-D18","CCL16" f30149c5fcc7f553,"sid4-GBP","sid4-GBP" a82c265e16b26ca6,"swi6(69-215)-swi6(69-215)-CFP-9xMyc-TEV","swi6(69-215)-swi6(69-215)-CFP-9xMyc-TEV" 020b7fc6a3fa0724,"cdr2-GBP-mCherry","cdr2-GBP-mCherry" 53af9f6726121d19,"nmt41 promoter, AID degron tagged, 2xHA","nmt41 promoter, AID degron tagged, 2xHA" 53af9f6726121d19,"nmt81 promoter, 2xHA, AID degron tagged","nmt81 promoter, 2xHA, AID degron tagged" 53af9f6726121d19,"AID degron tagged","AID degron tagged" fdfc9c73a3820302,"REIIΔ mat2P::ura4+","REIIΔ mat2P::ura4+" f61c7346be6b7a50,"pho7-TAP","pho7-TAP" c06e8b663aa9d810,"cnt1::ura4+","cnt1::ura4+" 153ada5377adf0b4,"mes1-B44 (arrested in meiotic prophase II),chromosome I (imr1-GFP)","mes1-B44 (arrested in meiotic prophase II),chromosome I (imr1-GFP)" 153ada5377adf0b4,"mes1-B44 (arrested in meiotic prophase II), chromosome I (imr1-GFP)","mes1-B44 (arrested in meiotic prophase II), chromosome I (imr1-GFP)" f17c3d43d258f9f6,"mei4-P527","mei4-P527" f85ac1dcd8ab8c25,"41x HA tag fused to N-terminus","41x HA tag fused to N-terminus" 744e598799f5d648,"CRISPRi-ceo1-9,ceo1-11","CRISPRi-ceo1-9,ceo1-11" 744e598799f5d648,"CRISPRi,ceo5-4","CRISPRi,ceo5-4" 744e598799f5d648,"CRISPRi-ceo2-1,ceo2-12","CRISPRi-ceo2-1,ceo2-12" 744e598799f5d648,"CRISPRi-ceo6-1,ceo6-3","CRISPRi-ceo6-1,ceo6-3" 744e598799f5d648,"CRISPRi-ceo2-12","CRISPRi-ceo2-12" 744e598799f5d648,"CRISPRi-ceo7-7","CRISPRi-ceo7-7" 744e598799f5d648,"CRISPRi-ceo6-1","CRISPRi-ceo6-1" 744e598799f5d648,"CRISPRi-ceo6-3","CRISPRi-ceo6-3" 744e598799f5d648,"CRISPRi-ceo4-6","CRISPRi-ceo4-6" 744e598799f5d648,"CRISPRi-ceo1-9","CRISPRi-ceo1-9" 744e598799f5d648,"CRISPRi-ceo3-2","CRISPRi-ceo3-2" 744e598799f5d648,"dSpG-CRISPRi-ceo4-10,ceo4-9","dSpG-CRISPRi-ceo4-10,ceo4-9" 744e598799f5d648,"CRISPRi-ceo2-1","CRISPRi-ceo2-1" 744e598799f5d648,"CRISPRi-ceo1-11","CRISPRi-ceo1-11" 744e598799f5d648,"dSpG-CRISPRi-aim4-10","dSpG-CRISPRi-aim4-10" 744e598799f5d648,"dSpG-CRISPRi-ceo4-10","dSpG-CRISPRi-ceo4-10" 744e598799f5d648,"dSpG-CRISPRi","dSpG-CRISPRi" 9debc7862e07fda7,"h90 imr1::GFP mes1-B44","imr1::GFP mes1-B44" 33c4c7d6daa555cf,""A" deletion 99bp after STOP",""A" deletion 99bp after STOP" 36f40baed62fc60c,"cut11.2","cut11.2" 0b47b3720f6a23d9,"intronless mtDNA [deltai]","intronless mtDNA [deltai]" 848fdf36e609c892,"KanMX6, h-, cdc13Δ, Nat6MX","Nat6MX" 848fdf36e609c892,"h? KanMX6 ura4+ ura4-D18 leu1-32","h?" 848fdf36e609c892,"KanMX6, ade6-M21, ura4-D18, leu1-32, h+","ade6-M21," 848fdf36e609c892,"KanMX6, cdc11-129, cut11mCherry ScLEU2+ ura4-D18, ade6-","cdc11-129, cut11mCherry ScLEU2+" 848fdf36e609c892,"KanMX6, h-, NatMX6","NatMX6" 2dbe85a34294a16f,"yep1Δ","yep1Δ" 2dbe85a34294a16f,"yep1delta","yep1delta" f0575bfe108d54e1,"mes1-B44 / mes1-B44 rec12delta / rec12delta rec8-2A / rec8-2A","mes1-B44 mes1-B44" f0575bfe108d54e1,"mes1-B44 / mes1-B44","mes1-B44 mes1-B44" f0575bfe108d54e1,"mes1-B44 / mes1-B44 rec12delta / rec12delta rec8-2A15A / rec8-2A15A","mes1-B44 mes1-B44" f0575bfe108d54e1,"mes1-B44","mes1-B44" c8f6d94453228801,"integrated pMO159 ( nmt1-nimA)","integrated pMO159 ( nmt1-nimA)" e9f007db7b387da3,"pREP3X","pREP3X" e9f007db7b387da3,"pIRT-2X","pIRT-2X" e9f007db7b387da3,"leu1-32, pIRT-2X","pIRT-2X" e9f007db7b387da3,"pREP3X-rum1","pREP3X-rum1" e9f007db7b387da3,"pREP81X","pREP81X" e7cc68a1da978b38,"nmt41, cig1Δ, cig2Δ","nmt41," 0985d9c7ca7f7a05,"intronless background mt[delta i]","intronless background mt[delta i]" 619a912c82d69329,"h- 972","972" 5bba706f5b371433,"otr::ura4+ inherited from clr4Δ cells (activated)","otr::ura4+ inherited from cells (activated)" 5bba706f5b371433,"otr::ura4+ inherited from wild-type cells (silenced)","otr::ura4+ inherited from wild-type cells (silenced)" dcdf06bafb5cb58c,"pat1-as","pat1-as" e2652e0c0cecb1f0,"mat1-Pdelta17","mat1-Pdelta17" d03f4f351b987011,"Δecl2Δecl3","Δecl2Δecl3" b6b9d534da028509,"RTS1-mat1-SspI::inv-RTS1 (RTS1 moved to cenII-distal side of mat1 and inverted)","RTS1-mat1-SspI::inv-RTS1 (RTS1 moved to cenII-distal side of mat1 and inverted)" e1b1536bc0389824,"lem2-shut-off bqt4Δ","lem2-shut-off" e1b1536bc0389824,"lem2-shut-off bqt4delta","lem2-shut-off" b792e3d40839cdbd,"Strain DY8531 (derivative of standard lab strain 972 h- engineered to feature the large inversion present in most other S. pombe strains (Hu et al. 2015))","Strain DY8531 (derivative of standard lab strain 972 engineered to feature the large inversion present in most other S. pombe strains (Hu et al. 2015))" 6585a50b0d18cc5e,"h-mam2delta::map3","h-mam2delta::map3" db9b5a7b5f36c25c,"h+ cdc2-M35 mat3-M cen1-GFP ura4-D18 (haploid meiosis inducing)","mat3-M cen1-GFP (haploid meiosis inducing)" 50db88fdd925afa8,"cdc10–129","cdc10–129" 6d8e5bb149dd8a29,"tRNA-ser UGAM, substitution of C at position 37:10, the tenth nucleotide of the intron that begins after position 37","tRNA-ser UGAM, substitution of C at position 37:10, the tenth nucleotide of the intron that begins after position 37" eac4af49b1a4ec47,"C-terminal HA tag","C-terminal HA tag" 95ec493fb8fa90cf,"mei4-C125->STOP","mei4-C125->STOP" 0bca2cbb0e3b6375,"rad52-YFP","rad52-YFP" 08c96f6f44e500f7,"975 h+ ura4-D18 leu1-32 ade6-M210","975" 216f4dec12ef6153,"Padh11-GBP-mCherry","Padh11-GBP-mCherry" 216f4dec12ef6153,"Padh11-GBP-mCherry-TEV-NLS","Padh11-GBP-mCherry-TEV-NLS" 216f4dec12ef6153,"Padh11-GBP-mCherry-NLS","Padh11-GBP-mCherry-NLS" 216f4dec12ef6153,"Padh1-GBP-mCherry-TEV-NLS","Padh1-GBP-mCherry-TEV-NLS" 216f4dec12ef6153,"Padh11-2xGBP-mCherry-NLS","Padh11-2xGBP-mCherry-NLS" 02289de0acddb1f0,"ade6-M216 leu1-32 ura4D18 h-","ura4D18" 3a3a0d9e76ed714d,"fis1-GBP","fis1-GBP" 014aa031f039268b,"cut12-NEGFP plo1+","cut12-NEGFP" 014aa031f039268b,"cut12-NEGFP","cut12-NEGFP" 014aa031f039268b,"cut12-NEGFP cdc2-33","cut12-NEGFP" 5f8aff66a56b4439,"pREP3X plasmid","pREP3X plasmid" 5fe4a0c49baf997f,"mat1-Msmt0","mat1-Msmt0" f1c2dba49bdde890,"telomerase minus","telomerase minus" 8c6d16a0b6951d6d,"Δecl1Δecl2Δecl3","Δecl1Δecl2Δecl3" 8c6d16a0b6951d6d,"ecl1Δ,ecl2Δ,ecl3Δ","ecl1Δ,ecl2Δ,ecl3Δ" 8c6d16a0b6951d6d,"ecl1delta,ecl2delta,ecl3delta","ecl1delta,ecl2delta,ecl3delta" 81cc9cd6e028de43,"pnu1[Δi]","pnu1[Δi]" 81cc9cd6e028de43,"Δpnu1[Δi]","Δpnu1[Δi]" b85e8d183eac4d18,"Tet Promoter","Tet Promoter" 9079e758e75e287f,"Bqt1-GBP (ectopic)","Bqt1-GBP (ectopic)" 94f70c9135257d87,"rep1-mad2","rep1-mad2" e0fb6894384ffb7a,"cdc25-22, kanr cut11+:GFP:ura4+ ura4-D18 leu1-32 ade6","kanr cut11+:GFP:ura4+ ade6" e0fb6894384ffb7a,"cut11+:GFP:ura4+ ura4-D18 leu1-32","cut11+:GFP:ura4+" e0fb6894384ffb7a,"kanr cut11+:GFP:ura4+ ura4-D18 leu1-32 ade6","kanr cut11+:GFP:ura4+ ade6" e0fb6894384ffb7a,"kanr cut11+:GFP:ura4+ ura4-D18 leu1-32","kanr cut11+:GFP:ura4+" e0fb6894384ffb7a,"cdc25-22, kanr cut11+:GFP:ura4+ ura4-D18 leu1-32","kanr cut11+:GFP:ura4+" e0fb6894384ffb7a,"cdc25-22, kanr cut11+:GFP:ura4+ ura4-D18 leu1-32 ade6","kanr cut11+:GFP:ura4+ ade6" e0fb6894384ffb7a,"kanr cut11+:GFP:ura4+ ura4-D18","kanr cut11+:GFP:ura4+" e0fb6894384ffb7a,"cdc25-22, kanr cut11+:GFP:ura4+ ura4-D18 leu1-32 ade6?","kanr cut11+:GFP:ura4+ ade6?" e0fb6894384ffb7a,"kanr cut11+:GFP:ura4+ ura4-D18 ade6","kanr cut11+:GFP:ura4+ ade6" e0fb6894384ffb7a,"cut11+:GFP:ura4+ ura4-D18 ade6","cut11+:GFP:ura4+ ade6" e0fb6894384ffb7a,"cdc25-22 kanr cut11+:GFP:ura4+ ura4-D18 leu1-32","kanr cut11+:GFP:ura4+" e0fb6894384ffb7a,"ura4-D18 leu1-32 ade6","ade6" 36fa256918417316,"RTS1-mat1-SspI::inv-RTS1 (RTS1 moved to cenII-distal side of mat1 and inverted)","RTS1-mat1-SspI::inv-RTS1 (RTS1 moved to cenII-distal side of mat1 and inverted)" 7341b39d1e6a56ef,"Pnmt81 GFP","Pnmt81 GFP" 2bfae567526bc0ec,"cdc2::CDC2Hs ade6-607 leu1-32 his3-27","cdc2::CDC2Hs ade6-607" 2bfae567526bc0ec,"cdc2::CDC2Hs ade6-704 leu1-32 his3-27","cdc2::CDC2Hs" 53fad494a10fe0a6,"rec8+o.p. rec11+o.p","rec8+o.p. rec11+o.p" c480fb02b530ca54,"Shk1-mCherry","Shk1-mCherry" 5da5597d14f0cc49,"mat1Pdelta17::LEU2","mat1Pdelta17::LEU2" bc37079d00ce0453,"ade6-ura4, ade6-arg1","ade6-ura4, ade6-arg1" bc37079d00ce0453,"ade6-ura4 ade6-arg1","ade6-ura4 ade6-arg1" d335f8eb4efaf35d,"Atg8-Scs2 fusion","Atg8-Scs2 fusion" d335f8eb4efaf35d,"AIMart-fused Erg11 + TM-mCherry-CSSIst2","AIMart-fused Erg11 + TM-mCherry-CSSIst2" 4b79f8edcf2340db,"cdc25.22","cdc25.22" d8d0ae0fabd341f8,"MDR-sup","MDR-sup" 17cceecf86230427,"GBP-alp4","GBP-alp4" 24e9f1d9ea02f952,"mat-Pcdelta, mat-Mcdelta","mat-Pcdelta, mat-Mcdelta"