FlyBase Recombinant Construct Report: P{Gr66a-lexA.S}

General Information

Symbol

P{Gr66a-lexA.S}

FlyBase ID

FBtp0125828

Feature type

transgenic_transposable_element

Component Allele(s)

Ecol\lexA^Gr66a.PS

Also Known As

Gr66a-LexA, Gr66a-LexA::VP16

Size

Expression Data

Associated insertion(s)

3 available

Molecular map

Description and Uses

Construct components

Component allele Ecol\lexA^Gr66a.PS

Transgenic product class

Component

Use(s)

Regulatory region(s)

Gr66a

Encoded product / tool

lexA::UnkAD

binary expression system - driver

Description

Gr66a regulatory sequences regulate expression of a lexA::UnkAD driver.

(Thistle et al., 2012)

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

Ecol\lexA^Gr66a.PS

Phenotypic Class Phenotype Manifest In Detailed Description

Expression Data

Reporter Expression

distribution deduced from reporter (Gal4 UAS)

Stage

Tissue/Position (including subcellular localization)

Reference

third instar larval stage

gustatory system neuron | subset of terminal organ

(Croset et al., 2016)

larval gnathal ganglion | restricted

(Croset et al., 2016)

bitter-sensing neuron

(Ahn and Amrein, 2023)

adult stage

bitter-sensing neuron

(Deere et al., 2023)

high salt/bitter-sensing neuron

(Sánchez-Alcañiz et al., 2018)

bitter-sensing neuron | subset

(Sapkal et al., 2024)

Additional Information

Statement

Reference

Ecol\lexA^Gr66a.PS drives expression in bitter-sensing neurons of larval external sensory organs, including those of the terminal organ and dorsal organ; and of interior sense organs including those of the dorsopharyngeal organ and hypopharyngeal organ.

(Ahn and Amrein, 2023)

Drives expression in bitter-sensing neurons in larval and adult gustatory receptors.

(FlyBase Curators, 2017)

Marker for

bitter-sensing neuron

(Deere et al., 2023)

Reflects expression of

Gr66a

(Ahn and Amrein, 2023, Deere et al., 2023, Sánchez-Alcañiz et al., 2018)

Reporter construct used in assay

Progenitors and Descendants

progenitor(s)

descendant(s)

Comments

Stocks (2)

Stocks containing insertion(s) of this recombinant construct

Bloomington

93024

w¹¹¹⁸; P{Gr66a-lexA.S}2; TM2/TM6B

93023

w¹¹¹⁸, P{Gr66a-lexA.S}1; Bl¹/CyO; TM2/TM6B

External Crossreferences and Linkouts ( 0 )

Synonyms and Secondary IDs (6)

Reported As

Symbol Synonym

Gr66a-LexA

(Lee et al., 2025, Ahn and Amrein, 2023, Jelen et al., 2023, Mi et al., 2023, Masuzzo et al., 2022, McDowell et al., 2022, Trisal et al., 2022, Yao and Scott, 2022, Zhao et al., 2022, Chen et al., 2019, Bohra et al., 2018, Sánchez-Alcañiz et al., 2018, Ahn et al., 2017, Chen and Amrein, 2017, Kim et al., 2017, Sánchez-Alcañiz et al., 2017, Harris et al., 2015, Pool et al., 2014, Thistle et al., 2012)

Gr66a-LexA-VP16

(Mi et al., 2021)

Gr66a-LexA::VP16

(Zhao et al., 2022, Lau et al., 2021)

Gr66a-lexA

(Tadres et al., 2025, Park et al., 2024, Sapkal et al., 2024, Deere et al., 2023, Deere and Devineni, 2022)

P{Gr66a-lexA.S}

(FlyBase, 1996-)

P{Gr66a-lexA.U}

(FlyBase, 1992-)

Secondary FlyBase IDs

References (31)

Report Sections

Open Close