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  • Articles  (9)
  • Nederland  (7)
  • Chemical evolution  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Pyrophosphate synthesis from phospho(enol)pyruvate catalyzed by precipitated magnesium phosphate with ”enzyme-like” activity (1992)
    Springer
    Journal of molecular evolution 35 (1992), S. 277-285 
    Details
    ISSN: 1432-1432
    Keywords: Transphosphorylation ; Pyrophosphate ; Precipitated magnesium phosphate ; Phospho(enol)pyruvate ; Phosphorolysis ; Chemical evolution ; Inorganic enzyme
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The enzyme-like kinetic properties of precipitated magnesium phosphate as a catalyst for formation of pyrophosphate (PPi) from phospho (enol)pyruvate (PEP) are described. This synthesis occurs at a low temperature (37°C) and represents a model that may help us understand the relevance to chemical evolution of minerals as ancient catalysts whose functions could have been taken over by contemporary enzymes. An insoluble Pi.Mg matrix was formed in a medium with 80% of the water replaced by dimethyl sulfoxide as a way of simulating conditions in a drying pond. Phospho(enol)pyruvate adsorbs onto the Pi.Mg surface according to a Langmuir isotherm, and the PEP concentration dependence of PPi formation follows a Michaelian-like function. A yield of 33% for transformation of the initially adsorbed PEP into PPi was attained after 4 days of incubation with equimolecular concentrations of Pi, MgCl2, and PEP. The magnesium concentration dependence for Pi and Mg precipitation, for adsorption of PEP onto solid Pi.Mg, and for PPi formation showed complex cooperative behavior. These results taken as a whole lead to the conclusion that the Pi.Mg surface not only provides a reactant for PPi formation but also catalyzes the reaction.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00161165
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  • 2
    Electronic Resource
    Electronic Resource
    Model for prebiotic pyrophosphate formation: Condensation of precipitated orthophosphate at low temperature in the absence of condensing or phosphorylating agents (1990)
    Springer
    Journal of molecular evolution 31 (1990), S. 353-358 
    Details
    ISSN: 1432-1432
    Keywords: Pyrophosphate formation ; Precipitated calcium phosphate ; Condensation reaction ; Chemical evolution ; Dimethyl sulfoxide
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The formation of pyrophosphate (PPi) by condensation of orthophosphate (Pi) at low temperature (37°C) in the absence of condensing or phosphorylating agents could have been an ancient process in chemical evolution. In the present investigation the synthesis of32PPi from32Pi was carried out at pH 8.0 and PPi was found in larger amounts in the presence of insoluble Pi (with calcium or manganese ions) than in its absence (with magnesium ions, or with no divalent cations present). After 10 days of incubation in the presence of precipitated calcium phosphate, about 1.6 nmol/ml of PPi was formed (0.057% yield relative to insoluble Pi). The hypothesis that the reaction is dependent on precipitated Pi was reinforced by the effect of adding dimethyl sulfoxide (2.1–9.9 M) in the presence of magnesium ions: the amount of magnesium phosphate precipitated in the presence of the organic solvent was proportional to the amount of PPi formed. The large and negative activation entropies found in aqueous media with calcium ions and in a medium containing 11.3 M dimethyl sulfoxide with magnesium ions suggest that the reaction was favored by a hydrophobic phenomenon at the surface of solid Pi. This reaction could serve as a model for prebiotic formation of PPi.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02106049
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  • 3
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    Wantsen van de Nederlandse Waddeneilanden v (Hemiptera: Heteroptera) (2016)
    In:  Nederlandse Faunistische Mededelingen (0169-2453) vol.46 (2016) p.87
    Details
    Publication Date: 2018-12-13
    Description: Het laatste overzicht van de wantsen van de Nederlandse waddeneilanden dateert van 2012. Een opsomming wordt gegeven van 43 nieuwe eilandrecords, waaronder vijf soorten die voor het eerst op de waddeneilanden zijn waargenomen. In totaal zijn er nu 380 soorten wantsen van de Nederlandse waddeneilanden bekend.
    Keywords: Heteroptera ; Nederland ; Waddeneilanden ; verspreiding ; 42.75
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
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  • 4
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    Wantsen van de Nederlandse Waddeneilanden IV (Hemiptera: Heteroptera) (2012)
    In:  Nederlandse Faunistische Mededelingen vol. 38, pp. 25-48
    Details
    Publication Date: 2024-01-12
    Description: Het laatste overzicht van de wantsen van de Nederlandse waddeneilanden dateert van 2004 met aanvullingen in 2009. Een opsomming wordt gegeven van 144 nieuwe eilandrecords, waaronder 12 soorten die voor het eerst op de waddeneilanden zijn waargenomen. Pachycoleus pusillimus (Dipsocoridae) is nieuw voor de Nederlandse\nlijst. In totaal zijn er nu 375 soorten wantsen van de waddeneilanden bekend.
    Keywords: Hemiptera ; Heteroptera ; Nederland ; Waddeneilanden ; verspreiding
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 5
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    Wantsen van de Nederlandse Waddeneilanden v (Hemiptera: Heteroptera) (2016)
    In:  Nederlandse Faunistische Mededelingen vol. 46, pp. 87-93
    Details
    Publication Date: 2024-01-12
    Description: Het laatste overzicht van de wantsen van de Nederlandse waddeneilanden dateert van 2012. Een opsomming wordt gegeven van 43 nieuwe eilandrecords, waaronder vijf soorten die voor het eerst op de waddeneilanden zijn waargenomen. In totaal zijn er nu 380 soorten wantsen van de Nederlandse waddeneilanden bekend.
    Keywords: Heteroptera ; Nederland ; Waddeneilanden ; verspreiding
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 6
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    Wantsen van de Nederlandse waddeneilanden III (Hemiptera: Heteroptera) (2009)
    In:  Nederlandse Faunistische Mededelingen vol. 31, pp. 89-99
    Details
    Publication Date: 2024-01-12
    Description: De fauna van de Nederlandse waddeneilanden telde volgens het laatste overzicht 336 soorten. Een opsomming wordt gegeven van 158 nieuwe eilandrecords, waaronder 26 soorten, die voor het eerst voor de waddeneilanden worden vermeld. De miride Capsus pilifer wordt van de lijst afgevoerd. In totaal zijn er nu 363 soorten wantsen op de waddeneilanden waargenomen.
    Keywords: Hemiptera ; Heteroptera ; verspreiding ; Nederland
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 7
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    Nieuwe en interessante Nederlandse wantsen III (Hemiptera: Heteroptera) (2009)
    In:  Nederlandse Faunistische Mededelingen vol. 31, pp. 53-87
    Details
    Publication Date: 2024-01-12
    Description: In dit artikel wordt een overzicht gegeven van 38 soorten nieuwe of anderszins interessante Nederlandse wantsen. Corythucha ciliata (Tingidae), Macrolophus rubi, Orthotylus ochrotrichus (Miridae), Amphiareus constrictus, Buchananiella continua, Cardiasthetus fasciiventris, Lyctocoris dimidiatus (Anthocoridae), Arocatus longiceps (Lygaeidae) en Pinthaeus sanguinipes (Pentatomidae) zijn nieuw voor de Nederlandse fauna. Van Orius flagellum (Anthocoridae) werd slechts \xc3\xa9\xc3\xa9n exemplaar aangetroffen en de introductie van Oxycarenus lavaterae (Lygaeidae) uit Itali\xc3\xab resulteerde niet in vestiging. Beide laatstgenoemde soorten worden vooralsnog niet toegevoegd aan de Nederlandse lijst, die inmiddels 629 soorten telt.
    Keywords: Hemiptera ; Heteroptera ; verspreiding ; Nederland
    Repository Name: National Museum of Natural History, Netherlands
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  • 8
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    Wantsen van de Nederlandse Waddeneilanden II (Hemiptera: Heteroptera) (2004)
    In:  Nederlandse Faunistische Mededelingen vol. 21, pp. 79-122
    Details
    Publication Date: 2024-01-12
    Description: Bugs of the West Frisian Islands ii (Hemiptera: Heteroptera)\nThe first review of Heteroptera recorded from the West Frisian Islands was published in 1989\nand included records of 278 species. To date, our knowledge of the fauna of these islands increased\nconsiderably, resulting in records of 336 species and 351 new island records. Texel houses\nmost species since 2004 (279 against 181 in 1989), finally outnumbering Terschelling (272 against\n240 in 1989) and also the numbers of known species from Ameland, Schiermonnikoog and\nVlieland increased considerably. A review is given of all new island records since 1989 and a\nnumber of especially interesting species is treated in more detail. Comparisons are made\nbetween the fauna of the West Frisian Islands and that of the nearby mainland (provinces of\nNoord-Holland (the northern part only), Friesland and Groningen) and of the German East\nand North Frisian Islands.\nThe distribution of Lygocoris minor (Miridae) is limited to the Dutch and German Frisian\nIslands, and Orius horvathi (Anthocoridae), Kleidocerys ericae (Lygaeidae) and Piesma salsolae\n(Piesmatidae) in The Netherlands only are known from the West Frisian Islands and do not\noccur on the German Islands. Orius horvathi is recorded here for the first time from the\nNetherlands. The five largest West Frisian Islands have only 105 of the 336 known species in\ncommon and there are large differences in species composition between the islands. Texel and\nTerschelling show the highest resemblance with 70,0 percent of the species in common,\nwhereas for the other islands this percentage varies between 49,2 and 58,8. A total of 63\nspecies were recorded on a single islands only, most of them on Texel (31 species) and\nTerschelling (20).\nAlmost all species of the West Frisian Islands (91,1%) also occur on the nearby mainland, but\n109 species known from this part of the mainland were never found on the West Frisian\nIslands. The resemblance with the northern part of North-Holland is the largest (67,3%),\nfollowed by Friesland (64,2%) and Groningen (57,3%), respectively.\nBased on the presence of flightless species on the islands and the fast colonization of the\nislands by a number of invasive species, it is supposed that the absence of species likely to\noccur depends on other factors than just isolation from the mainland.
    Keywords: Nederland ; Verspreiding ; Naamlijst
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 9
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    Nieuwe en interessante Nederlandse Wantsen II, met een geactualiseerde Naamlijst (Hemiptera: Heteroptera) (2005)
    In:  Nederlandse Faunistische Mededelingen vol. 23, pp. 37-76
    Details
    Publication Date: 2024-01-12
    Description: New and interesting Dutch bugs ii, with an updated checklist (Hemiptera: Heteroptera)\nThe following species are recorded for the first time from the Netherlands: Tupiocoris\nrhododendri (Miridae), Xylocoridea brevipennis (Anthocoridae), Metopoplax fuscinervis (Lygaeidae)\nand Elasmostethus minor (Acanthosomatidae). Six species are already shortly mentioned\nelsewhere as Dutch species, but are treated here in detail: Copium clavicorne and Derephysia\nsinuatocollis (Tingidae), Amphiareus obscuriceps (Anthocoridae), Horvathiolus superbus and\nHolcocranum saturejae (Lygaeidae), and Stagonomus bipunctatus pusillus (Pentatomidae).\nNew data are provided for the following little known or rare species: the dipsocorid\nCryptostemma waltli, the gerrid Gerris lateralis, the mirids Deraeocoris punctulatus, Capsodes\nsulcatus, Mermitelocerus schmidtii, Pinalitus atomarius, Teratocoris paludum, Heterocordylus\ntumidicornis, Orthotylus virens, Hoplomachus thunbergii, Psallus punctulatus and Tytthus geminus,\nthe anthocorids Anthocoris amplicollis and Orius horvathi, the lygaeids Nysius huttoni, Drymus\nlatus, Lamproplax picea, Scolopostethus pilosus, Emblethis denticollis, Megalonotus emarginatus,\nAellopus atratus and Raglius vulgaris, the stenocephalid Dicranocephalus medius, the rhopalid\nLiorhyssus hyalinus, and the pentatomids Carpocoris fuscispinus, Stagonomus bipunctatus\npusillus and Rhaphigaster nebulosa. New data and distribution maps are presented for some\nspecies showing expanding ranges: the recently established Japanese tingid Stephanitis takeyai,\nthe berytid Metatropis rufescens, the coreid Gonocerus acutangulatus, the scutellerid Eurygaster\ntestudinaria, and the pentatomids Holcogaster vernalis and Eysarcoris aeneus. Tupiocoris\nrhododendri, Stephanitis takeyai en Nysius huttoni are introduced exotic species.\nA checklist of the 618 species recorded from the Netherlands is included.
    Keywords: Nederland ; Verpsreiding ; Naamlijst ; Herkenning ; Biotoop
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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