Actin-related protein 2/3 complex, subunit 1 (Arpc1) encodes one of seven components of the highly conserved Arp2/3 complex. The Arp2/3 complex is required for many cellular and developmental processes requiring F-actin polymerization, including germline ring canal growth, embryonic cellularization, myoblast fusion, and endocytosis.

HEM-protein (Hem) encodes a component of the WAVE Regulatory Complex. Hem product regulates processes such as neuronal migration and asymmetric division of neural precursors by inhibiting the product of SCAR degradation. In the asymmetric process, the Hem-pathway indirectly maintains proper localization of proteins such as those encoded by insc and numb; Belongs to the HEM-1/HEM-2 family.

Actin-related protein 2/3 complex, subunit 1 (Arpc1) encodes one of seven components of the highly conserved Arp2/3 complex. The Arp2/3 complex is required for many cellular and developmental processes requiring F-actin polymerization, including germline ring canal growth, embryonic cellularization, myoblast fusion, and endocytosis.

WASp, isoform A; WASp (WASp) encodes the homolog of the conserved Wiskott-Aldrich Syndrome family of nucleation promoting factors. It enables the Arp2/3 complex to nucleate polymerization of branched microfilament arrays. It contributes to gastrulation, myoblast fusion, synapse morphology at neuromuscular junctions, sensory organ development, and spermatogenesis.

Actin-related protein 2/3 complex, subunit 1 (Arpc1) encodes one of seven components of the highly conserved Arp2/3 complex. The Arp2/3 complex is required for many cellular and developmental processes requiring F-actin polymerization, including germline ring canal growth, embryonic cellularization, myoblast fusion, and endocytosis.

Adenylyl cyclase-associated protein; Capulet (capt) encodes a conserved actin binding protein that functions across eukaryotes to negatively regulate actin filament assembly. Different types of actin filament formation are differentially affected by the loss of capt.

Actin-related protein 2/3 complex, subunit 1 (Arpc1) encodes one of seven components of the highly conserved Arp2/3 complex. The Arp2/3 complex is required for many cellular and developmental processes requiring F-actin polymerization, including germline ring canal growth, embryonic cellularization, myoblast fusion, and endocytosis.

Twinfilin (twf) encodes a ubiquitously expressed actin monomer binding protein that is structurally related to the product of tsr and inhibits actin filament assembly. It is highly conserved and is present in all eukaryotes except plants. Its roles include bristle and neuronal development; Belongs to the actin-binding proteins ADF family. Twinfilin subfamily.

Homeobox protein B-H1; B-H1 and B-H2 are regulated by members of the wg signaling pathway; wg and dpp. B-H1 and B-H2 are coexpressed and functionally required in R1 and R6 receptor cells and primary pigment cells for normal eye development. Coexpression is also required for the fate determination of external sensory organs, formation of notal microchaetae, formation of presutural macrochaetae, antennal development and for distal leg morphogenesis; segmentation and specification of tarsal segments 3-5. Belongs to the Antp homeobox family.

Homeobox protein B-H2; B-H1 and B-H2 are regulated by members of the wg signaling pathway; wg and dpp. B-H1 and B-H2 are coexpressed and functionally required in R1 and R6 receptor cells and primary pigment cells for normal eye development. Coexpression is also required for the fate determination of external sensory organs, formation of notal microchaetae, formation of presutural macrochaetae, antennal development and for distal leg morphogenesis; segmentation and specification of tarsal segments 3-5. Belongs to the Antp homeobox family.

Homeobox protein B-H1; B-H1 and B-H2 are regulated by members of the wg signaling pathway; wg and dpp. B-H1 and B-H2 are coexpressed and functionally required in R1 and R6 receptor cells and primary pigment cells for normal eye development. Coexpression is also required for the fate determination of external sensory organs, formation of notal microchaetae, formation of presutural macrochaetae, antennal development and for distal leg morphogenesis; segmentation and specification of tarsal segments 3-5. Belongs to the Antp homeobox family.

Zinc finger protein sens; Transcription factor both necessary and sufficient for proper development of most cell types of the embryonic and adult peripheral nervous system (PNS). Essential component of the proneural Notch signaling pathway required for proper sensory organ precursor (SOP) differentiation. Correct expression requires expression of scalloped (sd). Repression of rough (ro) in R8 photoreceptor is an essential mechanism of R8 cell fate determination.

Homeobox protein B-H1; B-H1 and B-H2 are regulated by members of the wg signaling pathway; wg and dpp. B-H1 and B-H2 are coexpressed and functionally required in R1 and R6 receptor cells and primary pigment cells for normal eye development. Coexpression is also required for the fate determination of external sensory organs, formation of notal microchaetae, formation of presutural macrochaetae, antennal development and for distal leg morphogenesis; segmentation and specification of tarsal segments 3-5. Belongs to the Antp homeobox family.

Tailup, isoform A; Tailup (tup) encodes a transcription factor that regulates neuronal sub-type identity, including motor, serotonergic and dopaminergic neuron identity. It regulates germ band retraction, dorsal closure, muscle and heart development.

Homeobox protein B-H2; B-H1 and B-H2 are regulated by members of the wg signaling pathway; wg and dpp. B-H1 and B-H2 are coexpressed and functionally required in R1 and R6 receptor cells and primary pigment cells for normal eye development. Coexpression is also required for the fate determination of external sensory organs, formation of notal microchaetae, formation of presutural macrochaetae, antennal development and for distal leg morphogenesis; segmentation and specification of tarsal segments 3-5. Belongs to the Antp homeobox family.

Homeobox protein B-H1; B-H1 and B-H2 are regulated by members of the wg signaling pathway; wg and dpp. B-H1 and B-H2 are coexpressed and functionally required in R1 and R6 receptor cells and primary pigment cells for normal eye development. Coexpression is also required for the fate determination of external sensory organs, formation of notal microchaetae, formation of presutural macrochaetae, antennal development and for distal leg morphogenesis; segmentation and specification of tarsal segments 3-5. Belongs to the Antp homeobox family.

Chip, isoform B; Chip (Chi) encodes a transcriptional co-factor that regulates gene expression. It contributes to the regulation of Notch signaling, leg development and axon guidance.

Processed neurogenic locus Notch protein; Essential signaling protein which has a major role in many developmental processes. Functions as a receptor for membrane-bound ligands Delta and Serrate to regulate cell-fate determination. Upon ligand activation, and releasing from the cell membrane, the Notch intracellular domain (NICD) forms a transcriptional activator complex with Su(H) (Suppressor of hairless) and activates genes of the E(spl) complex. Regulates oogenesis, the differentiation of the ectoderm and the development of the central and peripheral nervous system, eye, wing disk, [...]

Chip, isoform B; Chip (Chi) encodes a transcriptional co-factor that regulates gene expression. It contributes to the regulation of Notch signaling, leg development and axon guidance.

Achaete-scute complex protein T5; Achaete (ac) encodes a BHLH transcription factor that interacts antagonistically with the Notch signaling pathway to promote neural precursor formation. Its major role is in nervous system development.

Chip, isoform B; Chip (Chi) encodes a transcriptional co-factor that regulates gene expression. It contributes to the regulation of Notch signaling, leg development and axon guidance.

Daughterless (da) encodes a class I bHLH protein important for sex determination and dosage compensation by controlling the feminizing switch gene Sxl. It participates in transcriptional regulation of a wide variety processes, including oogenesis, neurogenesis, myogenesis and cell proliferation.

Chip, isoform B; Chip (Chi) encodes a transcriptional co-factor that regulates gene expression. It contributes to the regulation of Notch signaling, leg development and axon guidance.

Achaete-scute complex protein T4; AS-C proteins are involved in the determination of the neuronal precursors in the peripheral nervous system and the central nervous system. Also involved in sex determination and dosage compensation.

Chip, isoform B; Chip (Chi) encodes a transcriptional co-factor that regulates gene expression. It contributes to the regulation of Notch signaling, leg development and axon guidance.

Tailup, isoform A; Tailup (tup) encodes a transcription factor that regulates neuronal sub-type identity, including motor, serotonergic and dopaminergic neuron identity. It regulates germ band retraction, dorsal closure, muscle and heart development.

Cullin 4 (Cul4) encodes the molecular scaffold for the CRL4 E3 ubiquitin ligase complex, which catalyzes the ubiquitylation and subsequent destruction of proteins that function in cell growth and proliferation as well as transcription, replication and repair of the genome; Belongs to the cullin family.

Hyrax, isoform A; Hyrax (hyx) encodes a protein recruited by signaling pathway specific transcriptional regulators such as the products of arm and ci and is important for the output of Wingless and Hedgehog pathways.

Neurogenic locus protein delta; Acts as a ligand for Notch (N) receptor. Essential for proper differentiation of ectoderm. Dl is required for the correct separation of neural and epidermal cell lineages. Fringe (fng) acts in the Golgi to determine the type of O-linked fucose on the EGF modules in N, altering the ability of N to bind with Delta (Dl). O-fut1 also has a role in modulating the interaction.

Processed neurogenic locus Notch protein; Essential signaling protein which has a major role in many developmental processes. Functions as a receptor for membrane-bound ligands Delta and Serrate to regulate cell-fate determination. Upon ligand activation, and releasing from the cell membrane, the Notch intracellular domain (NICD) forms a transcriptional activator complex with Su(H) (Suppressor of hairless) and activates genes of the E(spl) complex. Regulates oogenesis, the differentiation of the ectoderm and the development of the central and peripheral nervous system, eye, wing disk, [...]

Neurogenic locus protein delta; Acts as a ligand for Notch (N) receptor. Essential for proper differentiation of ectoderm. Dl is required for the correct separation of neural and epidermal cell lineages. Fringe (fng) acts in the Golgi to determine the type of O-linked fucose on the EGF modules in N, altering the ability of N to bind with Delta (Dl). O-fut1 also has a role in modulating the interaction.

Protein extra-macrochaetae; Participates in sensory organ patterning by antagonizing the neurogenic activity of the Achaete-scute complex (AS-C). It lacks a basic DNA-binding domain but is able to form heterodimers with other HLH proteins, thereby inhibiting DNA binding. May sequester proneural proteins in complexes inefficient for DNA interaction. EMC also affects vein differentiation. Inhibits the activity of AS-C proteins by forming an non-DNA binding heterodimer.

Neurogenic locus protein delta; Acts as a ligand for Notch (N) receptor. Essential for proper differentiation of ectoderm. Dl is required for the correct separation of neural and epidermal cell lineages. Fringe (fng) acts in the Golgi to determine the type of O-linked fucose on the EGF modules in N, altering the ability of N to bind with Delta (Dl). O-fut1 also has a role in modulating the interaction.

Irregular chiasm C-roughest protein; Roughest (rst) encodes a multi-purpose transmembrane protein that is well studied in the fly eye and muscle during development. It interacts with the transmembrane ligand encoded by hbs to guide cell movement.

Neurogenic locus protein delta; Acts as a ligand for Notch (N) receptor. Essential for proper differentiation of ectoderm. Dl is required for the correct separation of neural and epidermal cell lineages. Fringe (fng) acts in the Golgi to determine the type of O-linked fucose on the EGF modules in N, altering the ability of N to bind with Delta (Dl). O-fut1 also has a role in modulating the interaction.

Scabrous (sca) encodes a secreted glycoprotein with partial homology to fibrinogen and its relatives. It is a transcriptional target of proneural bHLH proteins and a useful marker for proneural regions and cells. It contributes to neural patterning and interacts with the Notch pathway.

HEM-protein (Hem) encodes a component of the WAVE Regulatory Complex. Hem product regulates processes such as neuronal migration and asymmetric division of neural precursors by inhibiting the product of SCAR degradation. In the asymmetric process, the Hem-pathway indirectly maintains proper localization of proteins such as those encoded by insc and numb; Belongs to the HEM-1/HEM-2 family.

Actin-related protein 2/3 complex, subunit 1 (Arpc1) encodes one of seven components of the highly conserved Arp2/3 complex. The Arp2/3 complex is required for many cellular and developmental processes requiring F-actin polymerization, including germline ring canal growth, embryonic cellularization, myoblast fusion, and endocytosis.

HEM-protein (Hem) encodes a component of the WAVE Regulatory Complex. Hem product regulates processes such as neuronal migration and asymmetric division of neural precursors by inhibiting the product of SCAR degradation. In the asymmetric process, the Hem-pathway indirectly maintains proper localization of proteins such as those encoded by insc and numb; Belongs to the HEM-1/HEM-2 family.

WASp, isoform A; WASp (WASp) encodes the homolog of the conserved Wiskott-Aldrich Syndrome family of nucleation promoting factors. It enables the Arp2/3 complex to nucleate polymerization of branched microfilament arrays. It contributes to gastrulation, myoblast fusion, synapse morphology at neuromuscular junctions, sensory organ development, and spermatogenesis.