Motif 1 Binding Protein (M1BP) encodes a transcription pausing factor. It regulates gene transcription via interaction with the Hox proteins encoded by abd-A and Ubx. It contributes to the development of ovarian follicle cells.

Grauzone (grau) encodes a transcription factor with the Cdc20 activator of the Anaphase Promoting Complex (APC) encoded by cort as key target. Absence of grau function results in the cort phenotype of female sterility, meiosis II arrest, and egg activation defects.

Heterochromatin protein 1; Structural component of heterochromatin, involved in gene repression and the modification of position-effect-variegation. Recognizes and binds histone H3 tails methylated at 'Lys-9', leading to epigenetic repression.

Protein aubergine; Acts via the piwi-interacting RNA (piRNA) metabolic process, which mediates the repression of transposable elements during meiosis by forming complexes composed of piRNAs and Piwi proteins and governs the methylation and subsequent repression of transposons. Directly binds piRNAs, a class of 24 to 30 nucleotide RNAs that are generated by a Dicer-independent mechanism and are primarily derived from transposons and other repeated sequence elements. In ovary, associates predominantly with antisense piRNAs that contain uridine at their 5' end. In testis, associates with [...]

Heterochromatin protein 1; Structural component of heterochromatin, involved in gene repression and the modification of position-effect-variegation. Recognizes and binds histone H3 tails methylated at 'Lys-9', leading to epigenetic repression.

Small ovary, isoform A; Nucleic acid binding.

Heterochromatin protein 1; Structural component of heterochromatin, involved in gene repression and the modification of position-effect-variegation. Recognizes and binds histone H3 tails methylated at 'Lys-9', leading to epigenetic repression.

Windei, isoform A; Windei (wde) encodes a chromatin-associated protein that functions as an essential cofactor and binding partner for the methyl transferase encoded by egg. It also binds to the chromosome 4-specific protein encoded by Pof. wde product is required for survival of female germ line cells.

LD37736p; Zpr1 (Zpr1) encodes a protein that functions downstream of the EGFR and other tyrosine kinase receptors. It also contributes to the assembly of spliceosome snRNPs. In the developing tracheal system it is required for terminal cell lumen formation.

Small ovary, isoform A; Nucleic acid binding.

LD37736p; Zpr1 (Zpr1) encodes a protein that functions downstream of the EGFR and other tyrosine kinase receptors. It also contributes to the assembly of spliceosome snRNPs. In the developing tracheal system it is required for terminal cell lumen formation.

Zelda, isoform A; Zelda (zld) encodes a zinc finger transcription factor that functions in early blastoderm development. It works as a zygotic genome activator because it has a global role in regulating early expressed genes, such as genes essential for cellularization, sex determination and pattern formation. It is also required at later times in development.

Protein aubergine; Acts via the piwi-interacting RNA (piRNA) metabolic process, which mediates the repression of transposable elements during meiosis by forming complexes composed of piRNAs and Piwi proteins and governs the methylation and subsequent repression of transposons. Directly binds piRNAs, a class of 24 to 30 nucleotide RNAs that are generated by a Dicer-independent mechanism and are primarily derived from transposons and other repeated sequence elements. In ovary, associates predominantly with antisense piRNAs that contain uridine at their 5' end. In testis, associates with [...]

Heterochromatin protein 1; Structural component of heterochromatin, involved in gene repression and the modification of position-effect-variegation. Recognizes and binds histone H3 tails methylated at 'Lys-9', leading to epigenetic repression.

Protein aubergine; Acts via the piwi-interacting RNA (piRNA) metabolic process, which mediates the repression of transposable elements during meiosis by forming complexes composed of piRNAs and Piwi proteins and governs the methylation and subsequent repression of transposons. Directly binds piRNAs, a class of 24 to 30 nucleotide RNAs that are generated by a Dicer-independent mechanism and are primarily derived from transposons and other repeated sequence elements. In ovary, associates predominantly with antisense piRNAs that contain uridine at their 5' end. In testis, associates with [...]

Germ cell-less (gcl) encodes a conserved BTB (broad-complex, tramtrack, and bric-a-brac) protein that mediates transcriptional repression in the germline and the degradation of the receptor tyrosine kinase encoded by tor, which in turn allows germ cell formation.

Protein aubergine; Acts via the piwi-interacting RNA (piRNA) metabolic process, which mediates the repression of transposable elements during meiosis by forming complexes composed of piRNAs and Piwi proteins and governs the methylation and subsequent repression of transposons. Directly binds piRNAs, a class of 24 to 30 nucleotide RNAs that are generated by a Dicer-independent mechanism and are primarily derived from transposons and other repeated sequence elements. In ovary, associates predominantly with antisense piRNAs that contain uridine at their 5' end. In testis, associates with [...]

ATP-dependent RNA helicase me31b; ATP-dependent RNA helicase which is a core component of a variety of ribonucleoprotein complexes (RNPs) that play critical roles in translational repression and mRNA decapping during embryogenesis, oogenesis, neurogenesis and neurotransmission. Recruits core components and translational repressors to some RNP complexes, and mediates RNP aggregation into processing granules such as P-bodies. As part of a RNP complex containing tral, eIF4E1, cup, and pAbp, involved in RNP-mediated translational repression of maternal mRNAs during oogenesis and embryogene [...]

Protein aubergine; Acts via the piwi-interacting RNA (piRNA) metabolic process, which mediates the repression of transposable elements during meiosis by forming complexes composed of piRNAs and Piwi proteins and governs the methylation and subsequent repression of transposons. Directly binds piRNAs, a class of 24 to 30 nucleotide RNAs that are generated by a Dicer-independent mechanism and are primarily derived from transposons and other repeated sequence elements. In ovary, associates predominantly with antisense piRNAs that contain uridine at their 5' end. In testis, associates with [...]

Maternal effect protein oskar; Organizes the germ plasm and directs localization of the posterior determinant nanos. Oskar protein is required to keep nos RNA and staufen protein at the posterior pole.

Protein aubergine; Acts via the piwi-interacting RNA (piRNA) metabolic process, which mediates the repression of transposable elements during meiosis by forming complexes composed of piRNAs and Piwi proteins and governs the methylation and subsequent repression of transposons. Directly binds piRNAs, a class of 24 to 30 nucleotide RNAs that are generated by a Dicer-independent mechanism and are primarily derived from transposons and other repeated sequence elements. In ovary, associates predominantly with antisense piRNAs that contain uridine at their 5' end. In testis, associates with [...]

Protein ovarian tumor locus; Essential for female fertility; germ cell division and differentiation.

Protein aubergine; Acts via the piwi-interacting RNA (piRNA) metabolic process, which mediates the repression of transposable elements during meiosis by forming complexes composed of piRNAs and Piwi proteins and governs the methylation and subsequent repression of transposons. Directly binds piRNAs, a class of 24 to 30 nucleotide RNAs that are generated by a Dicer-independent mechanism and are primarily derived from transposons and other repeated sequence elements. In ovary, associates predominantly with antisense piRNAs that contain uridine at their 5' end. In testis, associates with [...]

Polar granule component (pgc) encodes a small polypeptide involved in transcriptional silencing in primordial germ cells and in germ cell specification. It interacts with the RpII215/Spn43Ab complex that regulates RNA polymerase II expression.

Homeotic protein bicoid; Segment polarity protein that provides positional cues for the development of head and thoracic segments. Regulates the expression of zygotic genes, possibly through its homeodomain, and inhibits the activity of other maternal gene products. May also bind RNA. Interacts with Bin1 to repress transcription of bicoid target genes in the anterior tip of the embryo; a process known as retraction.

Maternal protein exuperantia; Ensures the proper localization of the mRNA of the bicoid gene to the anterior regions of the oocyte thus playing a fundamental role in the establishment of the polarity of the oocyte. May bind the bcd mRNA.

Homeotic protein bicoid; Segment polarity protein that provides positional cues for the development of head and thoracic segments. Regulates the expression of zygotic genes, possibly through its homeodomain, and inhibits the activity of other maternal gene products. May also bind RNA. Interacts with Bin1 to repress transcription of bicoid target genes in the anterior tip of the embryo; a process known as retraction.

Female sterile (1) M3 (fs(1)M3) encodes a protein that is required, along with the products of fs(1)N and clos, for their accumulation at the vitelline membrane and function in vitelline membrane integrity and Torso receptor activation.

Homeotic protein bicoid; Segment polarity protein that provides positional cues for the development of head and thoracic segments. Regulates the expression of zygotic genes, possibly through its homeodomain, and inhibits the activity of other maternal gene products. May also bind RNA. Interacts with Bin1 to repress transcription of bicoid target genes in the anterior tip of the embryo; a process known as retraction.

ATP-dependent RNA helicase me31b; ATP-dependent RNA helicase which is a core component of a variety of ribonucleoprotein complexes (RNPs) that play critical roles in translational repression and mRNA decapping during embryogenesis, oogenesis, neurogenesis and neurotransmission. Recruits core components and translational repressors to some RNP complexes, and mediates RNP aggregation into processing granules such as P-bodies. As part of a RNP complex containing tral, eIF4E1, cup, and pAbp, involved in RNP-mediated translational repression of maternal mRNAs during oogenesis and embryogene [...]

Homeotic protein bicoid; Segment polarity protein that provides positional cues for the development of head and thoracic segments. Regulates the expression of zygotic genes, possibly through its homeodomain, and inhibits the activity of other maternal gene products. May also bind RNA. Interacts with Bin1 to repress transcription of bicoid target genes in the anterior tip of the embryo; a process known as retraction.

Protein matrimony; Polo kinase inhibitor required to maintain G2 arrest in the meiotic cell cycle in females. Holds heterochromatically paired homologs together from the end of pachytene until metaphase I. Haploinsufficient locus for homologous achiasmate segregation and may be required for the maintenance of heterochromatic pairings.

Homeotic protein bicoid; Segment polarity protein that provides positional cues for the development of head and thoracic segments. Regulates the expression of zygotic genes, possibly through its homeodomain, and inhibits the activity of other maternal gene products. May also bind RNA. Interacts with Bin1 to repress transcription of bicoid target genes in the anterior tip of the embryo; a process known as retraction.

Maternal effect protein oskar; Organizes the germ plasm and directs localization of the posterior determinant nanos. Oskar protein is required to keep nos RNA and staufen protein at the posterior pole.

Homeotic protein bicoid; Segment polarity protein that provides positional cues for the development of head and thoracic segments. Regulates the expression of zygotic genes, possibly through its homeodomain, and inhibits the activity of other maternal gene products. May also bind RNA. Interacts with Bin1 to repress transcription of bicoid target genes in the anterior tip of the embryo; a process known as retraction.

Protein ovarian tumor locus; Essential for female fertility; germ cell division and differentiation.

Homeotic protein bicoid; Segment polarity protein that provides positional cues for the development of head and thoracic segments. Regulates the expression of zygotic genes, possibly through its homeodomain, and inhibits the activity of other maternal gene products. May also bind RNA. Interacts with Bin1 to repress transcription of bicoid target genes in the anterior tip of the embryo; a process known as retraction.

DNA replication inhibitor plutonium; Plutonium (plu) encodes a protein that binds to and activates the kinase encoded by png. plu mutants are female sterile, and they result in embryos with giant nuclei due to failure to translate CycB mRNA resulting in DNA replication in the absence of mitosis.

Homeotic protein bicoid; Segment polarity protein that provides positional cues for the development of head and thoracic segments. Regulates the expression of zygotic genes, possibly through its homeodomain, and inhibits the activity of other maternal gene products. May also bind RNA. Interacts with Bin1 to repress transcription of bicoid target genes in the anterior tip of the embryo; a process known as retraction.

Protein swallow; Has a role in localizing bicoid mRNA at the anterior margin of the oocyte during oogenesis, and a poorly characterized role in nuclear divisions in early embryogenesis.