The process whose specific outcome is the progression of an immature germ cell over time, from its formation to the mature structure (gamete). A germ cell is any reproductive cell in a multicellular organism.

A cell cycle process by which the cell nucleus divides as part of a meiotic cell cycle in the male germline.

A cell cycle process comprising the steps by which a cell progresses through male meiosis I, the first meiotic division in the male germline.

The process of formation of spermatozoa, including spermatocytogenesis and spermiogenesis.

The process whose specific outcome is the progression of the gonad over time, from its formation to the mature structure. The gonad is an animal organ that produces gametes; in some species it also produces hormones.

Any process that decreases the frequency, rate or extent of transposition. Transposition results in the movement of discrete segments of DNA between nonhomologous sites.

The chemical reactions and pathways involving piRNAs, Piwi-associated RNAs, a class of 24- to 30-nucleotide RNA derived from repeat or complex DNA sequence elements and processed by a Dicer-independent mechanism.

The covalent transfer of a methyl group to C-5 of cytosine that contributes to the establishment of DNA methylation patterns in the gamete.

Any process that modulates the rate or extent of progression through the meiotic cell cycle.

The chemical reactions and pathways resulting in the formation of piRNAs, Piwi-associated RNAs, a class of 24- to 30-nucleotide RNA derived from repeat or complex DNA sequence elements and processed by a Dicer-independent mechanism.

Any process in which a protein is transported to, or maintained in, a specific location.

Any process involved in the controlled movement of a flagellated sperm cell.

Any process that modulates the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of proteins by the translation of mRNA or circRNA.

The cell cycle process in which chromatin structure is compacted prior to and during mitosis in eukaryotic cells.

Construction of a stage-1 egg chamber in the anterior part of the germarium, from the progeny of germ-line and somatic stem cells. An example of this is found in Drosophila melanogaster.

Polarization of the oocyte along its anterior-posterior axis. An example of this is found in Drosophila melanogaster.

Establishment of the specialized cytoplasm found at the poles of the egg. An example of this is found in Drosophila melanogaster.

Establishment of the specialized cytoplasm found at the poles of the egg. An example of this is found in Drosophila melanogaster.

Any process in which RNA is transported to, or maintained in, the oocyte pole plasm. An example of this is found in Drosophila melanogaster.

Any process in which mRNA is transported to, or maintained in, a specific location within the cell.

The chromosome organization process in which meiotic chromosomes in the oocyte nucleus cluster together to form a compact spherical structure called the karyosome.

Any process that activates or increases the frequency, rate or extent of embryonic development.

The determination of male sex and sexual phenotype in the germ-line of the hermaphrodite. An example of this is found in Caenorhabditis elegans.

The determination of male sex and sexual phenotype in the germ-line of the hermaphrodite. An example of this is found in Caenorhabditis elegans.

Any process that activates or increases the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of proteins by the translation of mRNA or circRNA.

Any process that activates or increases the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of proteins by the translation of mRNA or circRNA.

Any process that modulates the frequency, rate or extent of oskar mRNA translation. To ensure the localization of Oskar protein at the posterior pole of the oocyte, translation of oskar mRNA is repressed during its transport to the posterior pole and activated upon localization of the mRNA at the posterior cortex.

Any process that activates or increases the frequency, rate or extent of oskar mRNA translation.

Establishment of the dorsal filaments, elaborate specializations of the chorion that protrude from the anterior end of the egg and facilitate embryonic respiration.

The complete process of formation and maturation of an ovum or female gamete from a primordial female germ cell. Examples of this process are found in Mus musculus and Drosophila melanogaster.

The complete process of formation and maturation of an ovum or female gamete from a primordial female germ cell. Examples of this process are found in Mus musculus and Drosophila melanogaster.

Any process that activates or increases the frequency, rate or extent of fertilization.

Any process that activates or increases the frequency, rate or extent of fertilization.

Any cellular metabolic process involving nucleobases, nucleosides, nucleotides and nucleic acids.

A cell cycle process by which the cell nucleus divides as part of a meiotic cell cycle in the male germline.

A cell cycle process comprising the steps by which a cell progresses through male meiosis I, the first meiotic division in the male germline.

The process of formation of spermatozoa, including spermatocytogenesis and spermiogenesis.

The process of formation of spermatozoa, including spermatocytogenesis and spermiogenesis.

Any process that decreases the frequency, rate or extent of transposition. Transposition results in the movement of discrete segments of DNA between nonhomologous sites.

Any process that decreases the frequency, rate or extent of gene expression. Gene expression is the process in which a gene's coding sequence is converted into a mature gene product or products (proteins or RNA). This includes the production of an RNA transcript as well as any processing to produce a mature RNA product or an mRNA or circRNA (for protein-coding genes) and the translation of that mRNA or circRNA into protein. Protein maturation is included when required to form an active form of a product from an inactive precursor form.

Any process involved in the controlled movement of a flagellated sperm cell.

Any process that modulates the frequency, rate or extent of any process in which a protein is transported to, or maintained in, a specific location.

The chemical reactions and pathways involving piRNAs, Piwi-associated RNAs, a class of 24- to 30-nucleotide RNA derived from repeat or complex DNA sequence elements and processed by a Dicer-independent mechanism.

Any process that activates or increases the frequency, rate or extent of embryonic development.

The covalent transfer of a methyl group to C-5 of cytosine that contributes to the establishment of DNA methylation patterns in the gamete.

The chemical reactions and pathways resulting in the formation of piRNAs, Piwi-associated RNAs, a class of 24- to 30-nucleotide RNA derived from repeat or complex DNA sequence elements and processed by a Dicer-independent mechanism.

A small cytoplasmic, non-membranous RNA/protein complex aggregates in the primordial germ cells of many higher eukaryotes.

All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

A P granule that contains the PIWIL2-TDRD1 module, a set of proteins that act in the primary piRNA pathway. The pi-body corresponds to the cementing material between mitochondria found in gonocytes.

A P granule that contains the PIWIL4-TDRD9 module, a set of proteins that act in the secondary piRNA pathway.

A ribonucleoprotein complex found in the cytoplasm of male germ cells, composed of exceedingly thin filaments that are consolidated into a compact mass or into dense strands of varying thickness that branch to form an irregular network. Contains mRNAs, miRNAs, and protein components involved in miRNA processing (such as Argonaute proteins and the endonuclease Dicer) and in RNA decay (such as the decapping enzyme DCP1a and GW182).

A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.

All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

Differentiated cytoplasm associated with a pole (animal, vegetal, anterior, or posterior) of an oocyte, egg or early embryo.

Cytoplasm situated near, or occurring around, the nucleus.

A small organelle enclosed by a single membrane, and found in most eukaryotic cells. Contains peroxidases and other enzymes involved in a variety of metabolic processes including free radical detoxification, lipid catabolism and biosynthesis, and hydrogen peroxide metabolism.

The double lipid bilayer enclosing the nucleus and separating its contents from the rest of the cytoplasm; includes the intermembrane space, a gap of width 20-40 nm (also called the perinuclear space).

A small, dense body one or more of which are present in the nucleus of eukaryotic cells. It is rich in RNA and protein, is not bounded by a limiting membrane, and is not seen during mitosis. Its prime function is the transcription of the nucleolar DNA into 45S ribosomal-precursor RNA, the processing of this RNA into 5.8S, 18S, and 28S components of ribosomal RNA, and the association of these components with 5S RNA and proteins synthesized outside the nucleolus. This association results in the formation of ribonucleoprotein precursors; these pass into the cytoplasm and mature into the 40S and 60S subunits of the ribosome.

All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

A closed structure, found only in eukaryotic cells, that is completely surrounded by unit membrane and contains liquid material. Cells contain one or several vacuoles, that may have different functions from each other. Vacuoles have a diverse array of functions. They can act as a storage organelle for nutrients or waste products, as a degradative compartment, as a cost-effective way of increasing cell size, and as a homeostatic regulator controlling both turgor pressure and pH of the cytosol.

The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.

A dense aggregation in the cytosol composed of proteins and RNAs that appear when the cell is under stress.

A ribonucleoprotein granule located in the cytoplasm.

The nucleus of a germ cell, a reproductive cell in multicellular organisms.

A small cytoplasmic, non-membranous RNA/protein complex aggregates in the primordial germ cells of many higher eukaryotes.

A germline specific spherical organelle, rich in membrane skeletal proteins. Precursor to the fusome.

The region that lies just beneath the plasma membrane in the part of a cell that is closest to the posterior as defined by the developing, or existing, anterior/posterior axis.

A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.

The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.

The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.

A dense aggregation in the cytosol composed of proteins and RNAs that appear when the cell is under stress.

A ribonucleoprotein complex found in the cytoplasm of male germ cells, composed of exceedingly thin filaments that are consolidated into a compact mass or into dense strands of varying thickness that branch to form an irregular network. Contains mRNAs, miRNAs, and protein components involved in miRNA processing (such as Argonaute proteins and the endonuclease Dicer) and in RNA decay (such as the decapping enzyme DCP1a and GW182).

The portion of the nuclear lumen proximal to the inner nuclear membrane.

The portion of the nuclear lumen proximal to the inner nuclear membrane.

Cytoplasm situated near, or occurring around, the nucleus.

A P granule that contains the PIWIL2-TDRD1 module, a set of proteins that act in the primary piRNA pathway. The pi-body corresponds to the cementing material between mitochondria found in gonocytes.

A P granule that contains the PIWIL4-TDRD9 module, a set of proteins that act in the secondary piRNA pathway.

A dense aggregation in the nucleus composed of proteins and RNAs that appear when the cell is under stress.

A dense aggregation in the nucleus composed of proteins and RNAs that appear when the cell is under stress.

A macromolecular complex containing both protein and RNA molecules.