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1401por Li, Chao, Fu, Zhe, Jin, Tao, Liu, Yixiang, Liu, Naixin, Yin, Saige, Wang, Zhuo, Huang, Yubing, Wang, Yinglei, Zhang, Yingxuan, Li, Jiayi, Wu, Yutong, He, Li, Tang, Jing, Wang, Ying, Yang, Xinwang“…BACKGROUND: Amphibian derived pro-healing peptides as molecular probes might provide a promising strategy for development of drug candidates and elucidation of cellular and molecular mechanisms of skin wound healing. …”
Publicado 2023
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1402por Ovchinnikov, Vladimir, Uliano-Silva, Marcela, Wilkinson, Mark, Wood, Jonathan, Smith, Michelle, Oliver, Karen, Sims, Ying, Torrance, James, Suh, Alexander, McCarthy, Shane A, Durbin, Richard, O’Connell, Mary J“…We present genome sequences for the caecilians Geotrypetes seraphini (3.8 Gb) and Microcaecilia unicolor (4.7 Gb), representatives of a limbless, mostly soil-dwelling amphibian clade with reduced eyes, and unique putatively chemosensory tentacles. …”
Publicado 2023
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1403por Serafin, Pawel, Kowalczyk, Paweł, Mollica, Adriano, Stefanucci, Azzurra, Laskowska, Anna K., Zawadzka, Magdalena, Kramkowski, Karol, Kleczkowska, Patrycja“…Given that many promising antimicrobial peptides with excellent broad-spectrum antibacterial properties are secreted by some frog species (e.g., bombesins, opioids, temporins, etc.), our goal was to identify the antimicrobial properties of amphibian-derived dermorphin and ranatensin peptides, which were combined to produce a hybrid compound. …”
Publicado 2023
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1404“…The maximum hypothermic storage time of amphibian oocytes is several hours, which is due to the peculiarities of the structure of the cell envelope. …”
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1405por Gonzalez Daza, William, Muylaert, Renata L., Sobral-Souza, Thadeu, Lemes Landeiro, Victor“…Due to the multifaceted factors that influence the spread of malaria, influencing malaria risk factors were analyzed through regional outbreak cluster analysis and spatio-temporal models in the Brazilian Amazon, incorporating climate, land use/cover interactions, species richness, and number of endemic birds and amphibians. Results showed that high amphibian and bird richness and endemism correlated with a reduction in malaria risk. …”
Publicado 2023
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1406“…In this study, we comprehensively investigated variations in growth rate and gut bacterial community in relation to temperature differences during the complex process of amphibian metamorphosis. Higher temperatures prompted tadpoles to metamorphose more rapidly than at lower temperatures, but the impact on size and weight was minimal. …”
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1407por Duperray, Maëlle, Hardet, Fanny, Henriet, Elodie, Saint-Marc, Christelle, Boué-Grabot, Eric, Daignan-Fornier, Bertrand, Massé, Karine, Pinson, Benoît“…Here, we studied the developmental requirements for purine metabolism using the amphibian Xenopus laevis as a vertebrate model. We provide the first functional characterization of purine pathway genes and show that these genes are mainly expressed in nervous and muscular embryonic tissues. …”
Publicado 2023
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1408Xnrs and Activin Regulate Distinct Genes during Xenopus Development: Activin Regulates Cell Division“…BACKGROUND: The mesoderm of the amphibian embryo is formed through an inductive interaction in which vegetal cells of the blastula-staged embryo act on overlying equatorial cells. …”
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1409“…We emphasize three important periods in the evolution of the olfactory system evident by comparative genomics: the adaptation to land in amphibian ancestors, the decline of olfaction in primates, and the delineation of putative pheromone receptors concurrent with rodent speciation. …”
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1410“…In amphibian oocytes, most lateral loops of the lampbrush chromosomes correspond to active transcriptional sites for RNA polymerase II. …”
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1411por Sheridan, Judson D.“…White fat from the newt, Triturus pyrrhogaster, fat body, and brown fat from the interscapular fat pad of newborn mice have been tested for the presence of low-resistance intercellular junctions. 42 pairs of amphibian fat cells and 15 pairs of mammalian brown fat cells were found to be "electrically coupled." …”
Publicado 1971
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1412Publicado 1988“…Eggs of the amphibian, Xenopus laevis, were quick-frozen, deep-etched, and rotary-shadowed. …”
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1413“…Phylogenetic analysis of the molecular evolution of lungfish and other vertebrate visual pigment genes indicates a closer relationship between lungfish and amphibian pigments than to pigments in teleost fishes. …”
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1414Publicado 1981“…We have proposed that the gap junctions between amphibian blastomeres are comprised of voltage-sensitive channels. …”
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1415Publicado 1985“…Light-evoked K+o changes in the rabbit (E-type) retina resemble those previously described in amphibian (I-type) retinas. Different components of the light-evoked K+o changes can be distinguished on the bases of retinal depth, V vs. log I properties, and their responses to pharmacological agents. …”
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1416Publicado 1989“…The effects of a neutral lidocaine homologue, 5-hydroxyhexano-2',6'- xylidide (5-HHX), on the kinetics and amplitude of sodium currents in voltage-clamped amphibian nerve fibers are described. 5-HHX produced two types of sodium current inhibition: (a) tonic block, in resting fibers (IC50 approximately 2 mM), and (b) phasic block, an additional, incremental inhibition, in repetitively depolarized fibers (frequency greater than 1 Hz). …”
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1417Publicado 1983“…The electrophysiology of the renal Na-K ATPase was studied in isolated perfused amphibian proximal tubules during alterations in bath (serosal) potassium. …”
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1418por Coolen, Marion, Nicolle, Delphine, Plouhinec, Jean-Louis, Gombault, Aurélie, Sauka-Spengler, Tatjana, Menuet, Arnaud, Pieau, Claude, Mazan, Sylvie“…Due to the presence of a blastopore as in amphibians, the turtle has been suggested to exemplify a transition form from an amphibian- to an avian-type gastrulation pattern. …”
Publicado 2008
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1419“…Statistical analyses reveal that the frequently used amino acid residues (>10%) are Ala and Gly in bacterial peptides, Cys and Gly in plant peptides, Ala, Gly and Lys in insect peptides, and Leu, Ala, Gly and Lys in amphibian peptides. Using frequently occurring residues, we demonstrate database-aided peptide design in different ways. …”
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1420“…In this study, we have cloned orthologs of Kir4.1 and Kir5.1 from the genome of the amphibian, Xenopus tropicalis (Xt). Heteromeric XtKir4.1/XtKir5.1 channels exhibit similar macroscopic current properties to rat Kir4.1/Kir5.1 with a faster time-dependent rate of activation. …”
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