Deletion of nucleotides -170 to 2157.
Excision of P{lArB}roX1MB710 has deleted 2.3-2.4 Kb of sequence starting just 5' to the rox1 transcriptional start and extending into the rox1 coding region.
Deleted for bases -170 to 2157 where 1 is first base of GB:U85980.
Df(1)52, Polr2A+tcos4Δ4.3, lncRNA:roX1ex84A has lethal | male phenotype, suppressible | partially by msl-2Hsp83.PK/msl-1Hsp83.PC
Df(1)52, roX1[+], Polr2A+tcos4Δ4.3, lncRNA:roX1ex84A, + is an enhancer of partially lethal - majority die | male phenotype of msl-1Hsp83.PC, msl-2Hsp83.PK
Df(1)52, roX1[+], Polr2A+tcos4Δ4.3, lncRNA:roX1ex84A, + is a suppressor | partially of lethal | female limited phenotype of msl-1Hsp83.PC, msl-2Hsp83.PK
Df(1)52, P{w+4Δ4.3}, lncRNA:roX1ex84A has lethal | male phenotype
Df(1)52, Polr2A+tcos4Δ4.3, lncRNA:roX1ex84A has lethal | male phenotype
Only 0.4% of roX1ex84A Df(1)52 hemizygous males with P{w+4Δ4.3} survive to adulthood and these die shortly after eclosion. These animals are slightly delayed in reaching 3rd instar and when they do are abnormally thin. Survival to adulthood is partially rescued (to 4.7%) by msl-1Hsp83.PC; msl-2Hsp83.PK.