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| | zhp-3 | RING-type domain-containing protein. (389 aa) |
| | knl-1 | Kinetochore null protein 1; Proposed to be part of the KMN network incorporating the MIS12 complex and NDC80 complex that is required for establishing the kinetochore-microtubule interface that aids in chromosome segregation during meiotic and mitotic cell division. Appears to function downstream of hcp-3 (CENP-A) and hcp-4 (CENP-C) in the kinetochore assembly hierarchy. Has a role in the correct localization of the spindly-like protein spdl-1 and the RZZ complex that is composed of rod-1, czw-1 and zwl-1 to kinetochores. Required for the recruitment of spindle-assembly checkpoint comp [...] (1010 aa) |
| | lab-1 | Long arms of the bivalent protein 1; Involved in sister chromatid cohesion during mitosis and meiosis. In association with the gsp-2 phosphatase, it both restricts the localization and antagonizes the function of the air-2 kinase during meiosis I and mitosis to promote chromatid cohesion and spindle attachment. This in turn, drives germ cell immortality. Furthermore, may play a role in ensuring the timely assembly of the synaptonemal complex during prophase I of meiosis. (161 aa) |
| | zyg-11 | Early embryogenesis protein zyg-11; Acts as target recruitment subunit in the E3 ubiquitin ligase complex zyg-11-cul-2-elc-1. Required for metaphase to anaphase transition and M phase exit at meiosis II. Regulates polarity establishment. (799 aa) |
| | plk-1 | Serine/threonine-protein kinase plk-1; Required for oocyte nuclear envelope breakdown before entry of oocyte into spermatheca. In meiotic cells, required for spindle dynamics and probably for spindle attachment to the chromosomes. Zygotic role in the development of the germline and nerve cord. In mitotic cells, plays a role in spindle organization and centrosome maturation. Involved in asymmetric nuclear localization of cdc- 25.1 during embryogenesis which affects cell division timing. Together with plk- 2, regulates cytoplasm polarity in early embryos. May play a minor role in chromos [...] (649 aa) |
| | szy-20 | Suppressor of zyg-1 protein 20; RNA binding protein that is required for normal cell division and cytokinesis during embryonic development. Functions with RNA-binding protein atx-2 to ensure embryonic cell division, and to this end, plays a role in the regulation of centrosome assembly, position and size, and in astral microtubule outgrowth and nucleation. Furthermore, negatively regulates the levels of the protein kinase zyg-1 at the centrosome. Also involved in ensuring centrosome attachment to the nuclear envelope. (563 aa) |
| | syp-2 | Uncharacterized protein. (213 aa) |
| | dpy-26 | Condensin complex subunit dpy-26; Required for both chromosome condensation and segregation and for X-chromosome dosage compensation depending on its binding partners. Member of the condensin I complex, a complex required for conversion of interphase chromatin into mitotic-like condense chromosomes and for proper chromosome segregation in mitosis and meiosis. As a member of the condensin I complex, further controls the crossover number and distribution in meiosis by restricting double strand break formation, probably by influencing higher-order chromosome structure. Plays a role in rob [...] (1263 aa) |
| | smz-1 | Sperm Meiosis PDZ domain containing proteins. (274 aa) |
| | ify-1 | Securin-like protein; Acts as a chaperone and as an inhibitor for separase sep-1. Plays an essential role in maintaining chromosome cohesion prior to meiotic and mitotic anaphase, in cytokinesis and in organizing the spindle and the centrosome. Ubiquitination-dependent degradation at the onset of anaphase is likely to activate sep-1 resulting in the proteolysis of the cohesin complex and the subsequent segregation of the chromosomes. Also required for cortical granule exocytosis. (244 aa) |
| | rfs-1 | RAD51-like protein 1; Has a role in the homologous recombination repair (HRR) of genomic DNA during meiosis. Required for rad-51 recruitment onto ssDNA gaps generated at stalled replication fork barriers. (245 aa) |
| | brc-1 | Breast cancer type 1 susceptibility protein homolog; E3 ubiquitin-protein ligase that specifically mediates the formation of polyubiquitin chains and plays a central role in DNA repair. Plays a role in triggering cellular responses at damage sites in response to DNA damage that may be induced by UV and ionizing radiation for example. Functions in double-strand break repair, and is required for homologous recombination between sister chromatids in meiotic and mitotic cells. In particular, protects against chromosome non-disjunction and nuclear fragmentation during meiotic double-strand [...] (612 aa) |
| | mus-81 | ERCC4 domain-containing protein. (445 aa) |
| | xpf-1 | ERCC4 domain-containing protein. (935 aa) |
| | zhp-2 | RING-type domain-containing protein. (240 aa) |
| | him-5 | High Incidence of Males (Increased X chromosome loss). (252 aa) |
| | F08F8.4 | Uncharacterized protein. (314 aa) |
| | coh-3 | Rad21_Rec8 domain-containing protein. (607 aa) |
| | msh-5 | MutS protein homolog 5; Crucial component in meiotic recombination, functioning at some point after the initiation step of recombination. Plays a role in promoting the crossover outcome of meiotic recombination events. Required for formation of normal meiotic crossover, and crossover and chiasmata generated by artificially made DNA breaks. (1369 aa) |
| | scc-1 | Sister chromatid cohesion protein 1; Cleavable component of the cohesin complex involved in chromosome cohesion during cell cycle. The cohesin complex is required for the cohesion of sister chromatids after DNA replication. The cohesin complex apparently forms a large proteinaceous ring within which sister chromatids can be trapped (By similarity). At metaphase-anaphase transition, this protein is cleaved and dissociates from chromatin, allowing sister chromatids to segregate (By similarity). (645 aa) |
| | scc-3 | Cohesin subunit scc-3; Component of the cohesin complex, a complex required for the cohesion of sister chromatids after DNA replication. The cohesin complex apparently forms a large proteinaceous ring within which sister chromatids can be trapped (By similarity). At anaphase, the scc-1 subunit of the complex is cleaved and dissociates from chromatin, allowing sister chromatids to segregate (By similarity). The cohesin complex may also play a role in spindle pole assembly during mitosis (By similarity). Has a role in stabilization of homologous chromosome associations during meiotic syn [...] (1096 aa) |
| | rde-2 | Uncharacterized protein. (578 aa) |
| | syp-1 | Synaptonemal complex protein SYP-1. (489 aa) |
| | capg-1 | Condensin complex subunit capg-1; Member of two distinct condensin I complexes, the condensin I complex and the condensin I-like dosage compensation complex. The condensin I complex is required for conversion of interphase chromatin into mitotic-like condensed chromosomes and for chromosome segregation in meiosis and mitosis. As a member of the condensin I complex, further controls crossover number and distribution in meiosis by restricting double strand break formation, probably by influencing higher-order chromosome structure. Regulatory subunit of the condensin I-like dosage compens [...] (1153 aa) |
| | apc-11 | Anaphase-promoting complex subunit 11; Probable component of the anaphase promoting complex/cyclosome (APC/C), a cell cycle-regulated E3 ubiquitin ligase that controls progression through mitosis and the G1 phase of the cell cycle. The APC/C complex acts by mediating ubiquitination and subsequent degradation of target proteins. Developmental role in early embryogenesis and the metaphase to anaphase transition in meiosis and mitosis. In vitro, recruits the ubiquitin-conjugating enzyme ubc-2 to exert ubiquitin ligase activity. Belongs to the RING-box family. (135 aa) |
| | F35H10.5 | Uncharacterized protein. (79 aa) |
| | syp-3 | Uncharacterized protein. (224 aa) |
| | lem-3 | Ankyrin repeat and LEM domain-containing protein 1 homolog; Endonuclease which, in association with baf-1, plays an essential role during embryogenesis in the DNA repair response following DNA damage probably by ensuring proper chromosome segregation. Also required during postembryonic cell divisions after DNA damage caused by ionizing radiation to ensure normal cell proliferation. Resolves chromatin bridges in late mitosis that result from incomplete DNA replication, defective chromosome condensation or unresolved recombination intermediates. Together with brc-1, contributes to genome [...] (704 aa) |
| | F44E5.15 | Uncharacterized protein. (222 aa) |
| | cep-1 | Transcription factor cep-1; Transcriptional activator that binds the same DNA consensus sequence as p53. Has a role in normal development to ensure proper meiotic chromosome segregation. Promotes apoptosis under conditions of cellular and genotoxic stress in response to DNA damage, hypoxia, or starvation. Regulates germline apoptosis in response to DNA damage. Its pro-apoptotic activity is inhibited when bound to ape-1 in vitro. Plays a role in cell cycle arrest in the germline in response to DNA damage by UV-C light. However, not required for survival in response to DNA damage induced [...] (644 aa) |
| | zhp-1 | Zip (Yeast meiotic zipper) Homologous Protein. (220 aa) |
| | slx-1 | Structure-specific endonuclease subunit SLX1 homolog; Catalytic subunit of a heterodimeric structure-specific endonuclease that resolves DNA secondary structures generated during DNA repair and recombination. Has endonuclease activity towards branched DNA substrates, introducing single-strand cuts in duplex DNA close to junctions with ss-DNA (Potential). Has a preference for replication forks over 5' flap structures or Holliday junctions and shows much lower activity toward 3' flap structures. Required for proper crossover distribution through inhibition of crossover formation at the c [...] (443 aa) |
| | eme-1 | Essential Meiotic Endonuclease. (454 aa) |
| | htp-3 | HORMA domain-containing protein. (739 aa) |
| | spd-3 | Uncharacterized protein. (478 aa) |
| | evl-14 | Uncharacterized protein. (1570 aa) |
| | mut-2 | NTP_transf_2 domain-containing protein. (441 aa) |
| | K07D4.2 | Uncharacterized protein. (194 aa) |
| | top-2 | DNA topoisomerase 2 top-2; Control of topological states of DNA by transient breakage and subsequent rejoining of DNA strands. Topoisomerase II makes double- strand breaks (By similarity). Essential during mitosis in the adult germline and during embryogenesis for proper segregation of daughter chromosomes. Required for centromere resolution during mitosis. Required for chromosome segregation in anaphase of meiosis I during spermatogenesis. Promotes cleavage furrow stability during cytokinesis upon the presence of chromatin obstructions. Promotes DNA break formation upon zygotic genome [...] (1520 aa) |
| | rmh-1 | DUF1767 domain-containing protein. (926 aa) |
| | R05D3.12 | Putative DNA topoisomerase 2, mitochondrial; Control of topological states of DNA by transient breakage and subsequent rejoining of DNA strands. Topoisomerase II makes double- strand breaks (By similarity); Belongs to the type II topoisomerase family. (1170 aa) |
| | R06C7.2 | Uncharacterized protein. (233 aa) |
| | bub-1 | Mitotic checkpoint serine/threonine-protein kinase bub-1; Serine/threonine-protein kinase essential for spindle- assembly checkpoint signaling. Plays a key role in the recruitment of the checkpoint proteins bub-3, mdf-1 and mdf-2 to unattached kinetochores. mdf-1 recruitment is independent of bub-1 kinase activity. Has a role in the correct kinetochore localization of the spindly-like protein spdl-1. In addition, during meiotic anaphase I, controls the recruitment of hcp- 1/2 and klp-19 to the ring-shaped domain formed between chromosomes. Involved in chromosome alignment, chromosome h [...] (987 aa) |
| | cls-2 | Protein CLASP-2; Probable microtubule plus-end tracking protein that promotes the stabilization of dynamic microtubules. Required for the formation of mitotic and meiotic spindles. Specifically promotes the polymerization of kinetochore-bound microtubules. Also required for cytoplasmic streaming. Essential for embryonic development. (1023 aa) |
| | him-10 | Kinetochore protein Nuf2 homolog; Acts as a component of the essential kinetochore-associated NDC80 complex, which is required for chromosome segregation in mitosis and meiosis and spindle checkpoint activity. The ndc-80 complex synergistically enhances the affinity of the ska-1 complex for microtubules and may allow the ndc-80 complex to track depolymerizing microtubules. Belongs to the NUF2 family. (490 aa) |
| | gsp-4 | Serine/threonine-protein phosphatase PP1-delta; Probable phosphatase which plays a redundant role with gsp-4 in spermatogenesis by regulating sister chromatid segregation during meiosis. In addition, involved in sperm motility by controlling the dynamic disassembly of major sperm proteins (MSP) in the spermatozoan pseudopodium. (305 aa) |
| | lis-1 | Lissencephaly-1 homolog; Positively regulates the activity of the minus-end directed microtubule motor protein dynein. May enhance dynein-mediated microtubule sliding by targeting dynein to the microtubule plus end. Required for several dynein- and microtubule-dependent processes such as nuclear migration during cell division. Part of a complex with nud-2, which is recruited to the nuclear envelope by unc-83, where, in turn, it recruits dynein to the nuclear surface and regulates nuclear migration in hypodermal precursor cells. Plays a role in GABAergic synaptic vesicle localization in [...] (404 aa) |
| | him-6 | Bloom syndrome protein homolog; Participates in DNA replication and repair (By similarity). Exhibits a magnesium-dependent ATP-dependent DNA-helicase activity that unwinds single- and double-stranded DNA in a 3'-5' direction (By similarity). Negatively regulates sister chromatid exchange (SCE) ; Belongs to the helicase family. RecQ subfamily. (988 aa) |
| | him-18 | High Incidence of Males (Increased X chromosome loss). (718 aa) |
| | pzf-1 | Paired Zinc Finger protein. (504 aa) |
| | hcp-2 | HoloCentric chromosome binding Protein. (1295 aa) |
| | atl-1 | Serine/threonine-protein kinase ATR; Serine/threonine protein kinase which activates checkpoint signaling upon genotoxic stresses such as ionizing radiation (IR), ultraviolet light (UV), or DNA replication stalling, thereby acting as a DNA damage sensor (By similarity). Recognizes the substrate consensus sequence [ST]-Q (By similarity). Phosphorylates various proteins, which collectively inhibits DNA replication and mitosis and promotes DNA repair and recombination (By similarity). Prevents mitotic catastrophe by functioning in the S-phase checkpoint and cooperating with atm-1 in the c [...] (2531 aa) |
| | cyb-3 | G2/mitotic-specific cyclin-B3; Could be involved at the G2/M (mitosis) transition (Probable). Interacts with the CDK1 and CDK2 protein kinases (Probable). G2/M cyclins accumulate steadily during G2 and are abruptly destroyed at mitosis (Probable). Plays a role during oocyte meiosis II. (385 aa) |
| | eri-1 | 3'-5' exonuclease eri-1; RNA exonuclease that acts as a negative regulator of RNA interference (RNAi). Probably acts by degrading the 3'-overhangs of short interfering RNAs (siRNAs). Its tissue specificity may help explain the inefficiency of neuronal RNAi. (582 aa) |
| | rmh-2 | DUF1767 domain-containing protein. (615 aa) |
| | zim-2 | C2H2-type domain-containing protein. (584 aa) |
| | zim-3 | Zinc finger In Meiosis. (581 aa) |
| | him-8 | C2H2-type domain-containing protein. (361 aa) |
| | zim-1 | C2H2-type domain-containing protein. (606 aa) |
| | him-17 | High Incidence of Males (Increased X chromosome loss). (954 aa) |
| | smz-2 | Sperm Meiosis PDZ domain containing proteins. (274 aa) |
| | rec-8 | Meiotic recombination protein rec-8; Plays a role in meiotic chromosome cohesion and segregation. Necessary for sister chromatid co- orientation and sister chromatid cohension until meiosis II. May also be required for repair of programmed meiotic double stranded breaks. During spermatogenesis, likely involved in spermatocyte centriole cohesion, thus preventing their separation during the second meiotic division. Belongs to the rad21 family. Highly divergent. (781 aa) |
| | W02A2.8 | Uncharacterized protein. (229 aa) |
| | gsp-3 | Serine/threonine-protein phosphatase PP1-gamma; Probable phosphatase which plays a redundant role with gsp-4 in spermatogenesis by regulating sister chromatid segregation during meiosis. In addition, involved in sperm motility by controlling the dynamic disassembly of major sperm proteins (MSP) in the spermatozoan pseudopodium. (305 aa) |
| | gei-17 | E3 SUMO-protein ligase gei-17; Functions as an E3-type smo-1 ligase. Mediates smo-1 conjugation to air-2 in vitro and is required for proper chromosome alignment. In the early embryo, specifically suppresses checkpoint activation in response to DNA damage, maybe by promoting mus-101 sumoylation. In embryos, plays a role in determining telomere localization in the nucleus. (780 aa) |
| | dpy-28 | Condensin complex subunit 1; Required for both chromosome condensation and segregation during mitosis and meiosis and X-chromosome dosage compensation depending on its binding partners. Regulatory subunit of the condensin I complex, a complex required for conversion of interphase chromatin into mitotic-like condense chromosomes. The condensin I complex probably introduces positive supercoils into relaxed DNA in the presence of type I topoisomerases and converts nicked DNA into positive knotted forms in the presence of type II topoisomerases (By similarity). The condensin I complex func [...] (1499 aa) |
| | zhp-4 | Zip (Yeast meiotic zipper) Homologous Protein. (283 aa) |
| | fcd-2 | FANCD2 (Fanconi's anemia defect) ortholog. (1440 aa) |
| | pqn-85 | Nipped-B-like protein pqn-85; Probably plays a structural role in chromatin. Involved in sister chromatid cohesion, possibly by interacting with the cohesin complex (By similarity). (2203 aa) |
| | coh-4 | Rad21_Rec8 domain-containing protein. (609 aa) |
| | sep-1 | Separin homolog sep-1; Cysteine protease, which plays a central role in homologous chromosome separation during meiosis I and in sister chromatid separation during embryonic mitosis. Promotes chromosome/sister chromatid segregation by cleaving the scc-1 (mitosis) and rec-8 (meiosis) subunits of the cohesin complex at the onset of anaphase (Probable). May cleave histone H3-like protein cpar-1 during meiosis I metaphase- anaphase transition. Promotes cortical granule exocytosis after oocyte fertilization during the first meiotic anaphase. Essential for embryonic cytokinesis by regulating [...] (1262 aa) |
| | csc-1 | Chromosome segregation and cytokinesis defective protein 1; Component of the chromosomal passenger complex (CPC), a complex that acts as a key regulator of chromosome segregation and cytokinesis during mitosis. The CPC complex has essential functions at the centromere in ensuring correct chromosome alignment and segregation. In the complex, it may be required to direct the Aurora B/air-2 to centromeric DNA; Belongs to the borealin family. Highly divergent. (249 aa) |
| | helq-1 | Helicase C-terminal domain-containing protein. (923 aa) |
| | spe-6 | Serine/threonine-protein kinase spe-6; Serine/threonine-protein kinase which is involved in spermatogenesis. In spermatocytes, regulates meiosis and the localization and assembly of major sperm protein (MSP) into fibrous bodies. In addition, may suppress the initiation of spermiogenesis downstream of spe-8, spe-12, spe-27 and spe-29. (379 aa) |
| | tim-1 | Protein timeless homolog; Plays an important role in chromosome cohesion during both mitosis and meiosis. In prophase of meiosis, it is involved in the formation of the synaptonemal complex (SC) and specifically, in the diplotene and diakinesis phases of prophase, it stabilizes the association of homologous chromosomes during synapsis and sister chromatid cohesion. It regulates cohesin subunits to promote meiotic chromosome cohesion and localizes non-SMC (structural maintenance of chromosome) cohesin subunits to chromatin prior to or during pre-meiotic S phase. Implicated in influencin [...] (1353 aa) |
| | pph-4.1 | Serine/threonine-protein phosphatase 4 catalytic subunit 1; Protein phosphatase which plays an essential role in meiosis and in early embryonic mitosis. During spermatocyte meiosis and the first embryonic mitosis, regulates centrosome maturation, and thus spindle formation, by recruiting some of the components of the pericentriolar material (PCM). During oocyte meiosis I, regulates meiotic chromosome dynamics including synapsis-independent chromosome pairing, restriction of synapsis to homologous chromosomes, programmed DNA double-strand break initiation and crossover formation resulti [...] (333 aa) |
| | elc-1 | Skp1_POZ domain-containing protein. (124 aa) |
| | san-1 | BUB1 N-terminal domain-containing protein. (390 aa) |
| | hcp-1 | HoloCentric chromosome binding Protein. (1475 aa) |
| | him-14 | MutS protein homolog him-14; Required during the pachytene stage of meiotic prophase for the formation of crossovers between homologous chromosomes. Not needed for pairing or synapsis. May promote crossing over by interfering with Holliday junction branch migration. Has no apparent role in DNA mismatch repair. (842 aa) |
| | cin-4 | DNA topoisomerase-like protein cin-4; Plays a role in the removal of cohesin from kinetochores on mitotic chromosomes and is required for centromere resolution. Belongs to the type II topoisomerase family. (842 aa) |
| | rbx-1 | RING-box protein 1; Component of the SCF (SKP1-CUL1-F-box protein) E3 ubiquitin ligase complex, which mediates the ubiquitination and subsequent proteasomal degradation of target proteins. Through the RING-type zinc finger, seems to recruit the E2 ubiquitination enzyme to the complex and brings it into close proximity to the substrate (By similarity). Essential for meiosis, mitotic chromosomal condensation and cytokinesis. Involved in histone H3 phosphorylation. (110 aa) |
| | gcna-1 | SprT-like domain-containing protein. (532 aa) |
| | him-3 | HORMA domain-containing protein. (291 aa) |
| | ZK430.5 | Peptidase C50 domain-containing protein. (1276 aa) |
| | cul-2 | Cullin-2; Core component of multiple cullin-RING-based CBC (Cul2- ElonginB-ElonginC) E3 ubiquitin-protein ligase complexes which mediate the ubiquitination and subsequent proteasomal degradation of target proteins. As a scaffold protein may contribute to catalysis through positioning of the substrate and the ubiquitin-conjugating enzyme. The functional specificity of the CBC complex depends on the variable substrate recognition component (By similarity). May function in ubiquitin-mediated degradation of CKIs to target cki-1 for degradation. CBC(zif-1) may ensure germline precursor cell [...] (791 aa) |
