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Chlamydomonas hap2

WebMay 3, 2024 · HAP2 is a class II gamete fusogen in many eukaryotic kingdoms. A crystal structure of Chlamydomonas HAP2 shows a trimeric fusion state. Domains D1, D2.1 … WebOct 1, 2024 · The first atomic model of HAP2 [27], a Chlamydomonas HAP2 homotrimer, revealed an unambiguous structural homology to class II fusion proteins, with the β sheet-rich domains I, II, and III arranged in the folded-back (hairpin) conformation typical of the viral proteins in the post-fusion trimer [17]. In their prefusion form on virus particles ...

RCSB PDB - 6DBS: Fusion surface structure, function, and dynamics …

WebFeb 23, 2024 · Studies in Chlamydomonas and Plasmodium (the pathogen causing malaria in humans) revealed that hap2 mutant gametes in both organisms were fully capable of … WebJul 19, 2024 · The cytoplasmic domain of the gamete membrane fusion protein HAP2 targets the protein to the fusion site in Chlamydomonas and regulates the fusion reaction. Development 142 , 962–971 (2015). click reaction点击反应 https://hickboss.com

UniProt

WebThe structure of Chlamydomonas HAP2 suggests that the cd loop is bipartite, with the two parts split by a small alpha helix (Fe´dry et al., 2024). Given this specific structure/function biological activity observed during the study of HAP2 in Tetrahymena, Arabidopsis, and Chlamydomonas, and the general conservation of the protein WebMar 1, 2015 · Early reports on HAP2 in Arabidopsis concluded that it was required for gamete attachment (Mori et al., 2006), but by exploiting the ease of experimentally identifying and quantifying the location and properties of HAP2 at individual steps in gamete fusion in the green alga Chlamydomonas and the malaria pathogen Plasmodium … WebNov 13, 2024 · HAP2/GCS1 is a protein identified in plants, protozoan parasites and other organisms that has an important role during membrane fusion in fertilization processes. ... The conserved plant sterility gene HAP2 functions after attachment of fusogenic membranes in Chlamydomonas and Plasmodium gametes. Genes Dev. 2008;22(8):1051–68. Article … bncc ef15ar04

The molecular foundations of zygosis SpringerLink

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Chlamydomonas hap2

William J. Snell

http://genesdev.cshlp.org/content/22/8/1051.full.pdf http://genesdev.cshlp.org/content/22/8/1051.full.pdf

Chlamydomonas hap2

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WebJun 15, 2024 · The kinetics of degradation of HAP2-GCS1 and FUS1 in Chlamydomonas zygotes (mentioned above) are consistent with a process activated by fresh transcription after fusion, at least in part . Remarkably, although land plants have dramatically elaborated lifecycles compared to their green algal ancestors, this ancestral function of … WebJul 9, 2024 · The cellular fusion protein HAP2, which is structurally homologous to viral class II fusion proteins, drives gamete fusion across several eukaryotic kingdoms. Gamete …

http://prodata.swmed.edu/Lab/HAP2.pdf WebDec 20, 2024 · Furthermore, comparisons between the HAP2 structures of Chlamydomonas, Arabidopsis, and Trypanosoma cruzi showed substantial, taxa …

WebMar 23, 2010 · HAP2/GCS1 family members mediate membrane fusion between gametes in a broad range of eukaryotes, ranging from algae and higher plants to protozoans and … WebChlamydomonas HAP2 is a member of a broadly conserved protein family whose founding member was identified in Arabidopsis in a screen for male sterile mutants (Johnson et al., 2004). [HAP2 more recently has also been termed GCS1 (Mori et al., 2006).] Previously, using gene disruption methods, we showed that in both Chlamydomonas and the rodent

WebDec 31, 2016 · Structural modeling of the HAP2/GCS1 protein family predicts that they are homologous to EFF-1 and class II fusion proteins from enveloped viruses (e.g. dengue and Zika viruses).

WebJan 1, 2024 · Hydroxyproline-rich GP1 as an anchor for Chlamydomonas cell wall ... The screening experiment with pJPZ11_HAP2 did not result in any positive candidate, the outcome was confirmed by 50 mL cultures of the top candidate (Supp. Fig. S.3). The maximum RFU obtained during the screening in the 96 well plates for pJPZ11_HAP2 … bncc ef12lp12Webtransformed Chlamydomonas wild-type (WT) or mutant HAP2 transgenes carrying an influenza virus hemagglutinin tag (HA) into a fusion-defective, hap2 mutant strain (Liu et al., 2008) and assessed HAP2-HA expression and trafficking to the mating structure as well as fusion of the transformed hap2 minus gametes with WT plus gametes. HAP2-HA was ... bncc ef15lp07WebOct 3, 2024 · HAP2 is a class II gamete fusogen in many eukaryotic kingdoms. A crystal structure of Chlamydomonas HAP2 shows a trimeric fusion state. Domains D1, D2.1 and D2.2 line the 3-fold axis; D3 and a stem pack against the outer surface. Surprisingly, hydrogen-deuterium exchange shows that surfaces of D1, D2.2 and D3 closest to the 3 … bncc ef15lp06WebMay 3, 2024 · 6DBS. PubMed Abstract: HAP2 is a class II gamete fusogen in many eukaryotic kingdoms. A crystal structure of Chlamydomonas HAP2 shows a trimeric fusion state. Domains D1, D2.1 and D2.2 line the 3-fold axis; D3 and a stem pack against the outer surface. Surprisingly, hydrogen-deuterium exchange shows that surfaces of D1, D2 ... click readerWebHAP2 localizes at the fusion site of Chlamydomonas minus gametes, yet Chlamydomonas minus and Plasmodium hap2 male gametes retain the ability, using other, species-limited proteins, to form tight prefusion membrane attachments with their respective gamete partners. Membrane dye experiments show that HAP2 is essential for … bncc ef15lp14WebNational Center for Biotechnology Information bncc ef15lp11WebOct 1, 2024 · In Chlamydomonas, it is possible to quantitatively assess discrete steps in fertilization in mixtures composed of millions of pure plus and minus gametes synchronously undergoing the multiple steps of fertilization. Exploiting this system solved the quandary left by the plant studies and showed unequivocally that HAP2 was not required for gamete … bncc ef15lp09