30A9-30B1;30D2-30F4
This deletion removes multiple ribosomal protein-coding genes (in addition to other genes).
Df(2L)γ7/+ flies have increased total and cold shock-resistant 3-h memory after a single cycle of training. In addition, they have significantly increased 7-h memory and significantly increased 24-h memory after massed training compared with wild-type.
Flies heterozygous for the deletion do not show a Minute bristle phenotype.
The Df(2L)γ7 chromosome acts as a dominant moderate suppressor of telomeric silencing (assayed using the effect of the chromosome on the eye colour phenotype of flies carrying "P{wvar}KR3-2", a stable "brown-red" variant of the P{3'WP-2,wvar}2Lt insertion), but this is assumed to be a false positive result (the suppressor may not be within the bounds of the deficient region) because the 2L TAS array on the chromosome is missing (as assayed by in situ hybridization) and it has previously been shown (FBrf0137248, FBrf0158986) that partial or complete deficiency of the 2L TAS array on the homologue suppresses silencing of brown-red variants of P{3'WP-2,wvar}2Lt.
