268,537 research outputs found
Mitin de apoyo a Adolfo López Mateos en Paraiso.
No full textUna de las pancartas tiene inscrito: P Paraiso Tabasco N R con C O I López Mateos
Agrupación Ruiz-Mateos
No full textRecull d'adhesius editats per la formació política Agrupación Ruiz Mateos. Adhesius provinents de donacions diverse
Dedicatòria de Ramón García Mateos a Asunción Carandell
No full textEl nom de l'autor i el títol estan impresos.Ramón García Mateos ofrece a Ton Carandell este Como el faro sin luz de la tristeza, libro de poemas que he querido sea testimonio de mi cariño por José Agustín. Con un beso y mi amitad. Cambrils, enero 2001
Microplana nana Mateos, Giribet and Carranza 1998
No full text<i>Microplana nana</i> Mateos, Giribet and Carranza, 1998 <p>(Figures 1, 7, Table 1)</p> <p> <i>Material examined</i></p> <p> <i>Holotype.</i> NHML 1998.2.9.1, sagittal sections of one specimen on three slides (labelled LA 2.1, 2.2, 2.3).</p> <p> <i>Paratype.</i> NHML 1998.2.9.2, sagittal sections of one specimen on two slides (labelled LA1.1, 1.2). For further details see Mateos et al. (1998).</p> <p> <i>Description</i></p> <p>For details of external features, epidermis, musculature, nervous system and alimentary system, see Mateos et al. (1998).</p> <p>Testes as described by Mateos et al. (1998), discharge into sperm ducts (vasa deferentia), which run posteriorly to copulatory apparatus. Sperm ducts not readily discernable in sections but must be very narrow. (Duct labelled “D” on fig. 5 of Mateos et al. 1998, is ovovitelline duct, not sperm duct.) Anterior to copulatory apparatus, each sperm duct expands to about 40 µm in diameter and forms a sperm storage structure (spermiducal vesicle) on either side. They then narrow (duct is occluded but visible over most of its length, but appears to be about 2.5 µm in diameter) and separately enter penis bulb. Penis with basal diameter about 170–200 µm and total (retracted) length about 450 µm. In both specimens, the distal end, about 150 µm, is reflected with diameter about 40 µm. Sperm ducts discharge separately but close together into anterior end of ejaculatory duct. Ejaculatory duct eccentric, in ventral half of penis, maximum diameter about 50 µm, lined with tall columnar cells, about 5 µm diameter in distal, reflected, portion.</p> <p>Ovaries, oviducts and vitellaria as described by Mateos et al. (1998). Oviducts extend posterior to penis and converge to separately join posterior extremity of female genital duct. Duct short, about 50 µm long and Y-shaped. Base of Y opens into posterior of atrium, each upper arm of the Y receiving one ovovitelline duct. Narrow genito-intestinal duct (Figure 7) runs dorsally from female genital duct to branch of intestine. Many eosinophilic glands, presumably “shell gland” secreting the cocoon material, surround region around female genital duct.</p> <p> <i>Discussion</i></p> <p>The type material has been re-examined because details of the copulatory apparatus differ from the description and diagram given by Mateos et al. (1998: fig. 2) and accordingly the species is partially re-described above, as far as is necessary to correct the details.</p> <p>The differences between the description of Mateos et al. (1998) and the present description are as follows. First, the sperm ducts enter the penis separately and remain separate in the base of the penis until they discharge separately into the ejaculatory duct. They are shown in fig. 2 of Mateos et al. (1998) fusing before entering the penis bulb and discharging into the ejaculatory duct as a single duct. Second, the female genital duct is about 50 µm long, whereas it is shown as about 300 µm long in fig. 2 of Mateos et al. (1998). Third, there is a genito-intestinal duct running dorsally from the female genital duct. This was stated to be absent by Mateos et al. (1998).</p>Published as part of <i>Vila-Farré, Miquel, Sluys, Ronald, Mateos, Eduardo, Jones, Hugh D. & Romero, Rafael, 2011, Land planarians (Platyhelminthes: Tricladida: Geoplanidae) from the Iberian Peninsula: new records and description of two new species, with a discussion on ecology, pp. 869-891 in Journal of Natural History 45 (15 - 16)</i> on pages 885-886, DOI: 10.1080/00222933.2010.536267, <a href="http://zenodo.org/record/5203496">http://zenodo.org/record/5203496</a>
Lepidocyrtus bicoloris Mateos, 2012, sp. nov.
No full text<i>Lepidocyrtus bicoloris</i> sp. nov. <p>Figs 3, 5–26; Tabs 1–3</p> <p> <b>Type material.</b> Holotype: male in one slide (CRBA 10697), Serra Marina mountains, Cabrils municipality, Barcelona province, Spain (N41.54661 E2.36532), pine and oak litter, 28.xi.2007, leg. E. Mateos (see Tabs 1 and 2, Loc122). Paratypes: 6 specimens in slides and 16 specimens in alcohol, the same data as the holotype; 6 specimens in slides and 32 specimens in alcohol, same locality as the holotype, 05.v.2007; 9 specimens in slides and 21 specimens in alcohol, Serra del Montseny mountains, Tagamanent municipality, Barcelona Province, Spain (N41.75090 E2.30553), herbs above ground (see Tabs 1 and 2, Loc249). Holotype and one paratype slide from Loc249 (specimen CRBA 10698) saved in the collection of the Centre de Recursos de Biodiversitat Animal, Faculty of Biology, University of Barcelona (http://www.crba.ub.edu); other specimens kept in the E. Mateos’ slides collection.</p> <p> <b>Etymology.</b> The subspecies name refers to the body color pattern (body with two colors).</p> <p> <b>Description.</b> Adult body length (without head and furca) 0.7–1.0 mm. With dark blue pigment on the dorsal and ventral sides of th.II to abd.II (including ventral tube), ant.I–IV (with increasing colour intensity towards the distal part of each segment), and cx.I–III; densely black pigmented ocular areas (Fig. 3). The foremost part of the eye-patches connected by a pigmented band.</p> <p> All morphological and chaetotaxic characters match those explained for <i>L. lanuginosus</i>, with the following differences: Ratio antenna:cephalic diagonal 1.2–1.6. Labium chaetotaxy [M1*] M2R*EL1L2; one out of 22 examined individuals with two M setae on one side of the labium. Interocular chaetotaxy with ciliated setae (s, t, p), and 1–3 scales. Abd.II seta ml present in three out of 22 examined individuals (Fig. 25) (one specimen with seta ml present on one side of the body and absent on the other side). Abd.IV seta E4p ciliated macrochaeta in three out of 22 examined individuals, smooth mesochaeta on the other 19; ratio C1-B5/B5-B6 as 1.3–1.7. Ventral tube with 7+7 ciliated setae on anterior side; 6+6 ciliated setae on posterior side; each lateral flap with a maximum of 6 ciliated setae and 2 smooth setae. Four out of 22 examined individuals have a fourth inner tooth at 83% of the inner edge of the unguis, and unguiculus with a finely serrated outer margin (Fig. 26). Ratio manubrium:dens:mucro as 16:15:1.</p> <p> <b>Ecology and distribution.</b> Specimens were obtained from pine and oak litter and from herbaceous vegetation. They all have a gut content composed mainly of fungal hyphae and spores.</p> <p> <b>Discussion.</b> Color pattern is usually a useful discriminating character in Lepidocyrtinae (even in Entomobryidae). The "color pattern species" coined by Yoshii (1989) for tropical Entomobryoidea argues that in the absence of diagnostic morphological characters, differences in color pattern were sufficient to define valid species. The molecular analysis of Soto-Adames (2002) on <i>Lepidocyrtus</i> and <i>Pseudosinella</i> also demonstrated this point. The new species is very close to <i>L. lanuginosus</i> and <i>L. cyaneus</i>. Of this two species <i>L. bicoloris</i> <b>sp. nov.</b> can be differentiated by the body color pattern: blue pigment on th.II to abd.II in <i>L. bicoloris</i>, without pigment in <i>L. lanuginosus</i>, and dark blue pigmented in <i>L. cyaneus</i>. In addition, the new species has a size slightly smaller than the others, abd.IV seta Fe4 is a smooth mesochaeta, and shows variability in the presence or absence of abd.II seta ml, the number of unguis teeth, and the empodial denticulation (see Table 3).</p>Published as part of <i>Mateos, Eduardo, 2012, The European Lepidocyrtus lanuginosus group (Collembola: Entomobryidae), definition and description of a new species from Spain, pp. 69-81 in Zootaxa 3570</i> on page 79, DOI: <a href="http://zenodo.org/record/210424">10.5281/zenodo.210424</a>
A model of credit limits and bankruptcy with applications to welfare and indebtedness
No full textThis paper presents a macroeconomic model of unsecured consumer debt and default where credit conditions consist of pre-approved interest rates and borrowing limits, a feature of actual credit cards. All loans, irrespective of their size and risk, take place against the same type of credit line, and some borrowers are credit constrained. This type of situation is shown to arise in a free-entry competitive equilibrium if there are fixed costs in banking and the banks' decisions on interest rates and on credit limits are made separately. Numerical experiments are conducted to study, on one hand, the macroeconomic and welfare effects of the consumer bankruptcy code, and on the other hand, the consequences of various factors for both indebtedness and bankruptcy. Restricting bankruptcy filings - be it through a stricter Chapter 7 means testing or a longer period of credit exclusion - leads to sizable welfare loses. The recent rise in filing rates and debt is best explained by a combination of lower intermediation costs and more severe non-discretionary expenditures shocks. The endogenous response of the credit limit proves to be crucial for these findings
The high rate of endoreduplication in the repair deficient CHO mutant EM9 parallels a reduced level of methylated deoxycytidine in DNA
No full textIt has been recently proposed that hypomethylation of DNA induced by 5-azacytidine (5-azaC) leads to reduced chromatid decatenation that ends up in endoreduplication, most likely due to a failure in topo II function [S. Mateos, I. Domínguez, N. Pastor, G. Cantero, F. Cortés, The DNA demethylating 5-azaC induces endoreduplication in cultured Chinese hamster cells, Mutat. Res. 578 (2005) 33-42]. The Chinese hamster mutant cell line EM9 has a high spontaneous frequency of endoreduplication as compared to its parental line AA8. In order to see if this is related to the degree of DNA methylation, we have investigated the basal levels of both endpoints in AA8 and EM9, as well as the effect of extensive 5-azaC-induced demethylation on the production of endoreduplication. Based on the correlation between the levels of DNA methylation and indices of endoreduplication we propose that genomic DNA hypomethylation in EM9 cell line is probably an important factor that bears significance in relation to the high basal level of endoreduplication observed in this cell lin
Lepidocyrtus lusitanicus Mateos, 2008, sp. nov.
No full textLepidocyrtus lusitanicus species-complex identification key 1 Apical antennal bulb bilobed; abd. IV setae E 1, De 1 and E 4 p ciliated macrochaetae. L. bilobatus sp. nov. - Apical antennal bulb simple; abd. IV setae E 1, De 1 and E 4 p smooth mesochaetae................................. 2 2 Labial seta R absent; ventral cephalic groove with 2 + 2 ciliated setae and 1 + 1 smooth setae L. selvaticus - Labial seta R present; ventral cephalic groove with 3 + 3 ciliated setae (L. lusitanicus)............................ 3 3 Body unpigmented ................................................................................................. L. lusitanicus lusitanicus - Dark pigment on th. III–abd. II ................................................................................ L. lusitanicus coloratus - Dark pigment on head, thorax, and abd. I–V ................................................................ L. lusitanicus nigrus - Patches of dark pigment on abd. III–IV .................................................................. L. lusitanicus piezoensis - Difuse pigment on head and th. II–abd. III with a conspicuous pigmented th. II anterior margin................ .................................................................................................................................... L. lusitanicus form APublished as part of Mateos, Eduardo, 2008, Definition of Lepidocyrtus lusitanicus Gama, 1964 species-complex (Collembola, Entomobryidae), with description of new species and color forms from the Iberian Peninsula, pp. 38-54 in Zootaxa 1917 on page 51, DOI: 10.5281/zenodo.18463
Lepidocyrtus bicoloris Mateos 2012
No full text<i>Lepidocyrtus bicoloris</i> Mateos, 2012 <p> – <i>Lepidocyrtus bicoloris</i> Mateos, 2012: 79.</p> <p> <b>MAZ:</b> Bakhshi <i>et al</i>. 2022.</p> <p> <b>Ecology and habitat in Iran:</b> leaf litter in forest.</p> <p> <b>General distribution:</b> Spain (Mateos 2012) and Iran.</p>Published as part of <i>Mayvan, Mahmood Mehrafrooz, Greenslade, Penelope & Sadeghi-Namaghi, Hussein, 2023, An annotated checklist of the Collembola (Hexapoda) from Iran, pp. 1-101 in Zootaxa 5275 (1)</i> on page 36, DOI: 10.11646/zootaxa.5275.1.1, <a href="http://zenodo.org/record/7898948">http://zenodo.org/record/7898948</a>
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