FB2026_03 , released September 17, 2026
Insertion: Dmel\P{lacW}ex697
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General Information
Symbol
Dmel\P{lacW}ex697
Species
D. melanogaster
Name
FlyBase ID
FBti0003139
Feature type
transposable_element_insertion_site
Also Known As
ex-lacZ, ex697, Ex-Z, expanded-lacZ, ex-lacZ697, ex697-lacZ
Description
Inserted Element
P{lacW}
LINE ID
Affected gene(s)
Ecol\lacZ, ex
Viability / fertility
Associated allele(s)
Ecol\lacZex-697, ex697
Stock availability
1 publicly available
Genomic Location
Chromosomal Location
2L ( 21C2 )
Sequence Location
2L:431,266..431,266 [+]
Target / Docking site
Genomic Maps
Member of Large Scale Dataset(s)
Dataset
Description
Detailed Mapping Data
Chromosome (arm)
Sequence Location
2L:431,266..431,266 [+]
(Boedigheimer and Laughon, 1993)
Orientation
Cytological location (computed by FlyBase)
21C2 (inferred by FlyBase from sequence location)
Cytological location (reported)
Insertion into Natural transposon
Comments concerning location
Sequence Data
Flanking sequence
Inserted Element
Construct
P{lacW}
Size (Kb)

10.691

Component Allele(s)
w+mC
Molecular map
Affected Gene(s)
Phenotypic Data
Expression Data
Reporter Expression
distribution deduced from reporter
Stage
Tissue/Position (including subcellular localization)
Reference
larval stage
imaginal disc
(Boedigheimer and Laughon, 1993)
third instar larval stage
eye-antennal disc | restricted
(Külshammer and Uhlirova, 2013)
wing pouch
(Slattery et al., 2011)
presumptive capitellum

Comment: weak

(Slattery et al., 2011)
distribution deduced from reporter or direct label
Stage
Tissue/Position (including subcellular localization)
Reference
third instar larval stage
wing hinge primordium
(Yue et al., 2012)
Additional Information
Statement
Reference

ex reporter expression was compared in the wing and haltere discs. Expression is reduced in the pouch of the haltere.

(Slattery et al., 2011)

Enhancer trap expression is detected throughout the imaginal discs.

(Boedigheimer and Laughon, 1993)
 
Marker for
Reflects expression of
ex
(Slattery et al., 2011, Boedigheimer and Laughon, 1993)
Reporter construct used in assay
Data on Genetic Line
Line ID
Origin as a multiple insertion line
Progenitor(s) within the Genome
Related Aberration or Balancer
Aberration
Balancer
Stocks (1)
External Crossreferences and Linkouts ( 0 )
Synonyms and Secondary IDs (17)
Reported As
Symbol Synonym
EX-Z
(Huang et al., 2013)
Ex-Z
(Kagey et al., 2012)
Ex-lacZ
(Huang et al., 2022)
Ex697
(Jagannathan et al., 2016)
P{lacW}ex697
(Boedigheimer and Laughon, 1993, FlyBase, 1992-)
ex-LacZ
(Sharp et al., 2021, Misra and Irvine, 2019, Yamamoto et al., 2017, Fernández et al., 2014)
ex-LacZ697
(Mesrouze et al., 2022)
ex-Z
(Gilbert et al., 2011)
ex-lacZ
(Kakemura and Igaki, 2024, Kroeger et al., 2024, Mitchell et al., 2024, Huang et al., 2023, Zhao et al., 2023, Mok and Choi, 2022, Ahmad et al., 2021, Nagai et al., 2021, Wang and Spradling, 2020, Fulford et al., 2019, Sarpal et al., 2019, Wang et al., 2019, Katsukawa et al., 2018, Wang et al., 2018, Matakatsu et al., 2017, Zhang et al., 2017, Dong et al., 2015, Patel et al., 2015, Huang et al., 2014, Thomas and Strutt, 2014, Christiansen et al., 2013, Huang et al., 2013, Jukam et al., 2013, McKay and Lieb, 2013, Perea et al., 2013, Chen and Verheyen, 2012, Matakatsu and Blair, 2012, Yue et al., 2012, Zhang et al., 2012, Fernández et al., 2011, Gilbert et al., 2011, Grusche et al., 2011, Poon et al., 2011, Richter et al., 2011, Slattery et al., 2011, Sun et al., 2011, Yan et al., 2011, Morrison and Halder, 2010, Neto-Silva et al., 2010, Zhang et al., 2008, Zhang et al., 2008, Cho et al., 2006)
ex-lacZ697
(Cho et al., 2006)
ex.lacZ
(Borreguero-Muñoz et al., 2019)
ex::lacZ
(Külshammer and Uhlirova, 2013)
ex697
(Fernández et al., 2014, Zhang et al., 2012, Gilbert et al., 2011, Neto-Silva et al., 2010)
ex697-lacZ
(Waghmare et al., 2024, Wang et al., 2018)
expanded-LacZ
(Fernández et al., 2014)
expanded-lacZ
(Sun et al., 2011)
ey-lacZ
(Genevet et al., 2010)
Name Synonyms
Secondary FlyBase IDs
    References (62)