Tyrosine-protein kinase hopscotch; Tyrosine kinase of the non-receptor type, phosphorylates the marelle protein. Required maternally for the establishment of the normal array of embryonic segments: involved in the control of pair- rule gene transcription in a stripe-specific manner. Together with Hsp83 and piwi, mediates canalization, also known as developmental robustness, likely via epigenetic silencing of existing genetic variants and suppression of transposon-induced new genetic variation.

Signal-transducer and activator of transcription protein at 92E (Stat92E) encodes a transcription factor that shuttles between the cytosol and nucleus and functions in the JAK/STAT pathway. Its roles include proliferation, growth control, organismal metabolism, cell competition, stem cell self-renewal, immunity and developmental patterning.

Unpaired 2 (upd2) encodes a secreted molecule that acts at a distance as a ligand for the JAK/STAT signal transduction pathway. upd2 mutants are viable due to redundancy with other Upd-family genes.

Unpaired 3 (upd3) encodes a "cytokine" (secreted protein) of the Unpaired family that can bind and activate the JAK-STAT receptor encoded by dome. It is induced in hemocytes or in the intestine upon damage to regulate the repair response in these tissues through JAK-STAT activation.

Suppressor of cytokine signaling at 36E (Socs36E) encodes a negative regulator of the JAK/STAT and EGFR pathways. It is a transcriptional target of the product of Stat92E that mediates lysosomal degradation following pathway stimulation and inhibits basal pathway activity.

Epidermal growth factor receptor; Binds to four ligands: Spitz, Gurken, Vein and Argos, which is an antagonist. Transduces the signal through the ras-raf-MAPK pathway. Involved in a myriad of developmental decisions. Critical for the proliferation of imaginal tissues, and for the determination of both the antero-posterior and dorso-ventral polarities of the oocyte. In the embryo, plays a role in the establishment of ventral cell fates, maintenance of amnioserosa and ventral neuroectodermal cells, germ band retraction, cell fate specification in the central nervous system and production [...]

Transmembrane emp24 domain-containing protein eca; Eca and bai are essential, though not redundant, for dorsoventral patterning of the embryo. Specifically required during early embryogenesis for the activity of maternal tkv, while the zygotic tkv is not affected. Involved in Golgi organization. Belongs to the EMP24/GP25L family.

P24-related-2, isoform A; P24-related-2 (p24-2) encodes a p24-transporter-type protein involved in post-mating oviposition.

Zinc finger protein chinmo; Required for morphological differentiation of postmitotic neurons during postembryonic brain development. Ensures production of appropriate neuron subtypes within a lineage by preventing precocious generation of late neuronal types of that lineage. Acts as a downstream mediator of the transcriptional activator Stat92e and is required for the development of the eye- antennal disk which gives rise to the adult eye, antenna and head capsule, for transcriptional repression of the Notch receptor ligand Ser and for the self-renewal of cyst stem cells in the testis [...]