FlyBase Recombinant Construct Report: P{Orco-GAL4.K}

General Information

Symbol

P{Orco-GAL4.K}

FlyBase ID

FBtp0022479

Feature type

transgenic_transposable_element

Component Allele(s)

Scer\GAL4^Orco.PK

Also Known As

Orco-GAL4, Or83b-GAL4

Size

Expression Data

GAL4 reporter/driver

Associated insertion(s)

2 available

Molecular map

Description and Uses

Construct components

Component allele Scer\GAL4^Orco.PK

Transgenic product class

Component

Use(s)

Regulatory region(s)

Orco

Encoded product / tool

GAL4

binary expression system - driver

Description

A 7.7 kb PCR product whose 3' end is 0.57 kb upstream of the translation initiation codon of Orco regulates expression of a GAL4 driver.

(Kreher et al., 2005)

Sequence Data

Sequence (FB)

Associated Sequence Data

DDBJ / EMBL / GenBank

DNA Sequence

Extent

Segments and Size

Total Size

Left end

Right end

Segments

Num

Orientation

Symbol

Reference

Phenotypic Data

Component Allele

Phenotypic Data

Scer\GAL4^Orco.PK

Phenotypic Class Phenotype Manifest In Detailed Description

Expression Data

Reporter Expression

distribution deduced from reporter (Gal4 UAS)

Stage

Tissue/Position (including subcellular localization)

Reference

larval stage

olfactory receptor neuron

(Kreher et al., 2005)

larval stage -- adult stage

olfactory receptor neuron

(Deng et al., 2011)

adult stage

adult olfactory receptor neuron | subset

(Zhang et al., 2020)

Additional Information

Statement

Reference

Drives expression in olfactory receptor neurons.

(FlyBase Curators, 2017)

ScerGAL4^Orco.PK drives expression in most odorant receptor neurons.

(Deng et al., 2011)

Marker for

adult olfactory receptor neuron

(Zhang et al., 2020)

Reflects expression of

Orco

(Zhang et al., 2020, Deng et al., 2011, Kreher et al., 2005)

Reporter construct used in assay

Progenitors and Descendants

progenitor(s)

descendant(s)

Comments

Stocks (1)

Stocks containing insertion(s) of this recombinant construct

Bloomington

23292

w¹¹¹⁸; P{Orco-GAL4.K}97.1

External Crossreferences and Linkouts ( 0 )

Synonyms and Secondary IDs (12)

Reported As

Symbol Synonym

DmelOrco-Gal4

(Choo et al., 2018)

OR83b-Gal4

(Deng et al., 2011)

OR83bGal4

(Kessissoglou et al., 2020)

ORCO-Gal4

(Boehm et al., 2022, Hussain et al., 2018)

Or83b-GAL4

(Guven-Ozkan et al., 2016, Bai and Carlson, 2010, Kreher et al., 2005)

Or83b-Gal4

(Donnelly et al., 2020, Babcock and Ganetzky, 2015, Babcock and Ganetzky, 2015, Daniels et al., 2011)

Orco-GAL4

(Vogt et al., 2021, Fraichard et al., 2020, Zhang et al., 2020, Corfas et al., 2019, Eliason et al., 2018, Steck et al., 2018, Lee et al., 2017, Sethi and Wang, 2017, Ueira-Vieira et al., 2014, Montagné et al., 2012)

Orco-Gal4

(Easwaran and Montell, 2025, Golovin et al., 2021, Grabe et al., 2020, Lee et al., 2020, Talay et al., 2017)

P{Or83b-GAL4.K}

(Carlson, 2007.4.19, FlyBase, 1992-)

P{Orco-GAL4.K}

(Steck et al., 2018, FlyBase, 1996-)

orco-GAL4

(Marini-Davis et al., 2025, Thakur et al., 2025)

orco-Gal4

(Züfle et al., 2025, Davis et al., 2024, Morón-Oset et al., 2023, Morón-Oset et al., 2019, Purice et al., 2017, Musashe et al., 2016, Chan et al., 2015)

Secondary FlyBase IDs

References (40)

Report Sections

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