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Journal articles on the topic 'Xenopus laevi'

Author: Grafiati

Published: 9 March 2023

Last updated: 31 July 2025

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1

Munck, B. G., and L. K. Munck. "Na+-independent transport of bipolar and cationic amino acids across the luminal membrane of the small intestine." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 272, no. 4 (1997): R1060—R1068. http://dx.doi.org/10.1152/ajpregu.1997.272.4.r1060.

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The role of sodium in transport of bipolar and cationic amino acids and their interactions were examined in vitro by measuring unidirectional influx across the brush-border membrane of intact rat jejunal and rabbit ileal epithelia. The chloride-dependent and beta-alanine inhibitable B(0,+) present in rabbit ileum was blocked by combining inhibition by beta-alanine with Na(+)- or Cl(-)-free conditions. Under these conditions, lysine influx across the brush-border membrane is Na+ independent. All Na+-independent influx of cationic and bipolar amino acids is by a system b(0,+) equivalent in the b

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2

Liu, Xia, Xue-mei Ji, Xi-ning Du, et al. "Molecular Cloning, Expression, Bioinformatics Analysis, and Bioactivity of TNFSF13 (APRIL) in the South African Clawed Frog (Xenopus laevi): A New Model to Study Immunological Diseases." OMICS: A Journal of Integrative Biology 17, no. 7 (2013): 384–92. http://dx.doi.org/10.1089/omi.2013.0004.

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3

de Koning, Harry P., Bruce G. Jenks, Wim J. J. M. Scheenen, Eveline P. C. T. de Rijk, Raymond T. J. M. Caris та Eric W. Roubos. "Indirect Action of Elevated Potassium and Neuropeptide Y on αMSH Secretion from the Pars Intermedia of Xenopus laevis: A Biochemical and Morphological Study". Neuroendocrinology 54, № 1 (1991): 68–76. http://dx.doi.org/10.1159/000125853.

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4

Dores, Robert M., Tami C. Steveson, and Kristin Lopez. "Differential Mechanisms for the N-Acetylation of Alpha-Melanocyte-Stimulating Hormone and Beta-Endorphin in the Intermediate Pituitary of the Frog, Xenopus laevis." Neuroendocrinology 53, no. 1 (1991): 54–62. http://dx.doi.org/10.1159/000125697.

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5

Rahman Khan, Tanwirur, and Ian R Duce. "Expression of Tick Receptor Protein in Xenopus laevis Oocyte." International Journal of Science and Research (IJSR) 10, no. 8 (2021): 424–26. https://doi.org/10.21275/mr21725205900.

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6

Vredenburg, Vance T., Stephen A. Felt, Erica C. Morgan, et al. "Prevalence of Batrachochytrium dendrobatidis in Xenopus Collected in Africa (1871–2000) and in California (2001–2010)." PLoS ONE 8, no. 5 (2013): e63791. https://doi.org/10.5281/zenodo.13508598.

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(Uploaded by Plazi for the Bat Literature Project) International trade of the invasive South African clawed frog (Xenopus laevis), a subclinical carrier of the fungal pathogen Batrachochytrium dendrobatis (Bd) has been proposed as a major means of introduction of Bd into na¨ıve, susceptible amphibian populations. The historical presence of Bd in the indigenous African population of Xenopus is well documented. However, there are no reports documenting the presence of Bd in wild Xenopus populations in the US, particularly in California where introduced populations are well-established after inte

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7

Vredenburg, Vance T., Stephen A. Felt, Erica C. Morgan, et al. "Prevalence of Batrachochytrium dendrobatidis in Xenopus Collected in Africa (1871–2000) and in California (2001–2010)." PLoS ONE 8, no. 5 (2013): e63791. https://doi.org/10.5281/zenodo.13508598.

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(Uploaded by Plazi for the Bat Literature Project) International trade of the invasive South African clawed frog (Xenopus laevis), a subclinical carrier of the fungal pathogen Batrachochytrium dendrobatis (Bd) has been proposed as a major means of introduction of Bd into na¨ıve, susceptible amphibian populations. The historical presence of Bd in the indigenous African population of Xenopus is well documented. However, there are no reports documenting the presence of Bd in wild Xenopus populations in the US, particularly in California where introduced populations are well-established after inte

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8

Vredenburg, Vance T., Stephen A. Felt, Erica C. Morgan, et al. "Prevalence of Batrachochytrium dendrobatidis in Xenopus Collected in Africa (1871–2000) and in California (2001–2010)." PLoS ONE 8, no. 5 (2013): e63791. https://doi.org/10.5281/zenodo.13508598.

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(Uploaded by Plazi for the Bat Literature Project) International trade of the invasive South African clawed frog (Xenopus laevis), a subclinical carrier of the fungal pathogen Batrachochytrium dendrobatis (Bd) has been proposed as a major means of introduction of Bd into na¨ıve, susceptible amphibian populations. The historical presence of Bd in the indigenous African population of Xenopus is well documented. However, there are no reports documenting the presence of Bd in wild Xenopus populations in the US, particularly in California where introduced populations are well-established after inte

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9

Vredenburg, Vance T., Stephen A. Felt, Erica C. Morgan, et al. "Prevalence of Batrachochytrium dendrobatidis in Xenopus Collected in Africa (1871–2000) and in California (2001–2010)." PLoS ONE 8, no. 5 (2013): e63791. https://doi.org/10.5281/zenodo.13508598.

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Abstract:

(Uploaded by Plazi for the Bat Literature Project) International trade of the invasive South African clawed frog (Xenopus laevis), a subclinical carrier of the fungal pathogen Batrachochytrium dendrobatis (Bd) has been proposed as a major means of introduction of Bd into na¨ıve, susceptible amphibian populations. The historical presence of Bd in the indigenous African population of Xenopus is well documented. However, there are no reports documenting the presence of Bd in wild Xenopus populations in the US, particularly in California where introduced populations are well-established after inte

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10

Saveliev, S. V., N. V. Besova, E. S. Savelieva, and V. I. Gulimova. "NEUROBLASTS MIGRATION AND PATTERN FORMATION DURING DEVELOPMENT OF THE XENOPUS LAEVIS." CLINICAL AND EXPERIMENTAL MORPHOLOGY 29, no. 1 (2019): 63–70. http://dx.doi.org/10.31088/2226-5988-2019-29-1-63-70.

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11

Parain, Karine, Sophie Lourdel, Alicia Donval, et al. "CRISPR/Cas9-Mediated Models of Retinitis Pigmentosa Reveal Differential Proliferative Response of Müller Cells between Xenopus laevis and Xenopus tropicalis." Cells 11, no. 5 (2022): 807. http://dx.doi.org/10.3390/cells11050807.

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Retinitis pigmentosa is an inherited retinal dystrophy that ultimately leads to blindness due to the progressive degeneration of rod photoreceptors and the subsequent non-cell autonomous death of cones. Rhodopsin is the most frequently mutated gene in this disease. We here developed rhodopsin gene editing-based models of retinitis pigmentosa in two Xenopus species, Xenopus laevis and Xenopus tropicalis, by using CRISPR/Cas9 technology. In both of them, loss of rhodopsin function results in massive rod cell degeneration characterized by progressive shortening of outer segments and occasional ce

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12

Sive, H. L., R. M. Grainger, and R. M. Harland. "Xenopus laevis Einstecks." Cold Spring Harbor Protocols 2007, no. 12 (2007): pdb.prot4750. http://dx.doi.org/10.1101/pdb.prot4750.

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13

Shrestha, Bindesh, Prabhakar Sripadi, Brent R. Reschke, et al. "Subcellular Metabolite and Lipid Analysis of Xenopus laevis Eggs by LAESI Mass Spectrometry." PLoS ONE 9, no. 12 (2014): e115173. http://dx.doi.org/10.1371/journal.pone.0115173.

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14

Asada-Kubota, M. "A monoclonal antibody specific for an epidermal cell antigen of Xenopus laevis: electron microscopic observations using a gold-labeling method." Journal of Histochemistry & Cytochemistry 36, no. 5 (1988): 515–21. http://dx.doi.org/10.1177/36.5.3356895.

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A monoclonal antibody (EPI-1), raised against the supernatant of a homogenate of Xenopus laevis larvae at the tailbud stage (stage 36/37), interacts specifically with a 250 KD epidermal antigen of Xenopus. An immunocytochemical gold-labeling technique was used to investigate changes in antigen distribution during epidermal development of Xenopus laevis. Specific immunolabeling was initially detected over the endoplasmic reticulum in the outer epithelial cells of the late gastrula stage (stage 12.5). After the early neurula stage (stage 13), immunolabeling appeared over moderately electron-dens

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15

Arystarhova, E. "Toxicological biotesting of waters of surface sources of water service and drinking water using larvas of Хenopus laevis". Visnyk agrarnoi nauky 96, № 2 (2018): 60–63. http://dx.doi.org/10.31073/agrovisnyk201802-10.

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16

Shaidani, Nikko-Ideen, Sean McNamara, Marcin Wlizla, and Marko E. Horb. "Obtaining Xenopus laevis Embryos." Cold Spring Harbor Protocols 2021, no. 3 (2020): pdb.prot106211. http://dx.doi.org/10.1101/pdb.prot106211.

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17

Shaidani, Nikko-Ideen, Sean McNamara, Marcin Wlizla, and Marko E. Horb. "Obtaining Xenopus laevis Eggs." Cold Spring Harbor Protocols 2021, no. 3 (2020): pdb.prot106203. http://dx.doi.org/10.1101/pdb.prot106203.

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18

Sive, H. L., R. M. Grainger, and R. M. Harland. "Dejellying Xenopus laevis Embryos." Cold Spring Harbor Protocols 2007, no. 10 (2007): pdb.prot4731. http://dx.doi.org/10.1101/pdb.prot4731.

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19

Sive, H. L., R. M. Grainger, and R. M. Harland. "Handling Xenopus laevis Adults." Cold Spring Harbor Protocols 2007, no. 10 (2007): pdb.prot4733. http://dx.doi.org/10.1101/pdb.prot4733.

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20

Sive, H. L., R. M. Grainger, and R. M. Harland. "Isolating Xenopus laevis Testes." Cold Spring Harbor Protocols 2007, no. 10 (2007): pdb.prot4735. http://dx.doi.org/10.1101/pdb.prot4735.

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21

Sive, H. L., R. M. Grainger, and R. M. Harland. "Xenopus laevis Egg Collection." Cold Spring Harbor Protocols 2007, no. 10 (2007): pdb.prot4736. http://dx.doi.org/10.1101/pdb.prot4736.

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22

Sive, H. L., R. M. Grainger, and R. M. Harland. "Xenopus laevis Keller Explants." Cold Spring Harbor Protocols 2007, no. 12 (2007): pdb.prot4749. http://dx.doi.org/10.1101/pdb.prot4749.

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23

Mohun, Tim, Robert Wilson, Elisa Gionti, and Malcolm Logan. "Myogenesis in Xenopus laevis." Trends in Cardiovascular Medicine 4, no. 3 (1994): 146–51. http://dx.doi.org/10.1016/1050-1738(94)90067-1.

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24

Kiefer, P., M. Mathieu, M. J. Close, G. Peters, and C. Dickson. "FGF3 from Xenopus laevis." EMBO Journal 12, no. 11 (1993): 4159–68. http://dx.doi.org/10.1002/j.1460-2075.1993.tb06100.x.

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25

Claußen, Maike, Thomas Lingner, Claudia Pommerenke, Lennart Opitz, Gabriela Salinas, and Tomas Pieler. "Global analysis of asymmetric RNA enrichment in oocytes reveals low conservation between closely related Xenopus species." Molecular Biology of the Cell 26, no. 21 (2015): 3777–87. http://dx.doi.org/10.1091/mbc.e15-02-0115.

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RNAs that localize to the vegetal cortex during Xenopus laevis oogenesis have been reported to function in germ layer patterning, axis determination, and development of the primordial germ cells. Here we report on the genome-wide, comparative analysis of differentially localizing RNAs in Xenopus laevis and Xenopus tropicalis oocytes, revealing a surprisingly weak degree of conservation in respect to the identity of animally as well as vegetally enriched transcripts in these closely related species. Heterologous RNA injections and protein binding studies indicate that the different RNA localiza

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26

Hadji-Azimi, I., V. Coosemans, and C. Canicatti. "Atlas of adult Xenopus laevis laevis hematology." Developmental & Comparative Immunology 11, no. 4 (1987): 807–74. http://dx.doi.org/10.1016/0145-305x(87)90068-1.

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27

Tix, Leonie, Lisa Ernst, Britta Bungardt, Steven R. Talbot, Gero Hilken, and René H. Tolba. "Establishment of the body condition score for adult female Xenopus laevis." PLOS ONE 18, no. 4 (2023): e0280000. http://dx.doi.org/10.1371/journal.pone.0280000.

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The assessment of animals’ health and nutritional status using a Body Condition Score (BCS) has become a common and reliable tool in lab-animal science. It enables a simple, semi-objective, and non-invasive assessment (palpation of osteal prominences and subcutaneous fat tissue) in routine examination of an animal. In mammals, the BCS classification contains 5 levels: A low score describes a poor nutritional condition (BCS 1–2). A BCS of 3 to 4 is considered optimum, whereas a high score (BCS = 5) is associated with obesity. While BCS are published for most common laboratory mammals, these ass

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28

Foulkrod, Ashley M., Gretchen M. Geibel, Yuthana Kongprachaya, and Pierette M. Appasamy. "Expression of T cell genes in adult Xenopus laevis and TCR gene expression in the Xenopus tadpole tail." Journal of Immunology 196, no. 1_Supplement (2016): 216.3. http://dx.doi.org/10.4049/jimmunol.196.supp.216.3.

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Abstract Xenopus laevis is a unique and useful model for studies of the evolution and development of the adaptive immune response. The Xenopus immune system shares much similarity with the immune system of higher animals, with some unique exceptions, is relatively easy to maintain, and it’s larval period can be manipulated since it exists outside the female. This study explored the distribution of T cell specific genes, as markers for the presence of T cells, in adult X. laevis as well as X. laevis tadpoles. Transcripts for all four TCR genes (γ, δ, α and β) were detected in the adult Xenopus

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29

Roco, Álvaro S., Thomas Liehr, Adrián Ruiz-García, Kateryna Guzmán, and Mónica Bullejos. "Comparative Distribution of Repetitive Sequences in the Karyotypes of Xenopus tropicalis and Xenopus laevis (Anura, Pipidae)." Genes 12, no. 5 (2021): 617. http://dx.doi.org/10.3390/genes12050617.

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Xenopus laevis and its diploid relative, Xenopus tropicalis, are the most used amphibian models. Their genomes have been sequenced, and they are emerging as model organisms for research into disease mechanisms. Despite the growing knowledge on their genomes based on data obtained from massive genome sequencing, basic research on repetitive sequences in these species is lacking. This study conducted a comparative analysis of repetitive sequences in X. laevis and X. tropicalis. Genomic in situ hybridization (GISH) and fluorescence in situ hybridization (FISH) with Cot DNA of both species reveale

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30

Chang, W. Y., F. KhosrowShahian, M. Wolanski, et al. "Conservation of Pitx1 expression during amphibian limb morphogenesis." Biochemistry and Cell Biology 84, no. 2 (2006): 257–62. http://dx.doi.org/10.1139/o06-036.

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In contrast to the pattern of limb emergence in mammals, chicks, and the newt N. viridescens, embryos such as Xenopus laevis and Eleutherodactylus coqui initiate pelvic limb buds before they develop pectoral ones. We studied the expression of Pitx1 in X. laevis and E. coqui to determine if this paired-like homeodomain transcription factor directs differentiation specifically of the hindlimb, or if it directs the second pair of limbs to form, namely the forelimbs. We also undertook to determine if embryonic expression patterns were recapitulated during the regeneration of an amputated limb bud.

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31

Morrow, S., J. Gosálvez, C. López-Fernández, F. Arroyo, W. V. Holt, and M. J. Guille. "Effects of freezing and activation on membrane quality and DNA damage in Xenopus tropicalis and Xenopus laevis spermatozoa." Reproduction, Fertility and Development 29, no. 8 (2017): 1556. http://dx.doi.org/10.1071/rd16190.

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There is growing concern over the effect of sperm cryopreservation on DNA integrity and the subsequent development of offspring generated from this cryopreserved material. In the present study, membrane integrity and DNA stability of Xenopus laevis and Xenopus tropicalis spermatozoa were evaluated in response to cryopreservation with or without activation, a process that happens upon exposure to water to spermatozoa of some aquatic species. A dye exclusion assay revealed that sperm plasma membrane integrity in both species decreased after freezing, more so for X. laevis than X. tropicalis sper

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32

Kelley, Darcy B., Martha L. Tobias, and Mark Ellisman. "Androgen-induced plasticity at a “vocal” neuromuscular synapse." Proceedings, annual meeting, Electron Microscopy Society of America 52 (1994): 32–33. http://dx.doi.org/10.1017/s0424820100167895.

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Brain and muscle are sexually differentiated tissues in which masculinization is controlled by the secretion of androgens from the testes. Sensitivity to androgen is conferred by the expression of an intracellular protein, the androgen receptor. A central problem of sexual differentiation is thus to understand the cellular and molecular basis of androgen action. We do not understand how hormone occupancy of a receptor translates into an alteration in the developmental program of the target cell. Our studies on sexual differentiation of brain and muscle in Xenopus laevis are designed to explore

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33

Scherer, Warren J., and Susan B. Udin. "Differential intertectal delay between Rana pipiens and Xenopus laevis: Implications for species-specific visual plasticity." Visual Neuroscience 12, no. 5 (1995): 1007–11. http://dx.doi.org/10.1017/s0952523800009548.

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AbstractIn the frog Xenopus laevis, the isthmotectal projection, which relays input from the ipsilateral eye, exhibits anatomical reorganization following surgical eye rotation performed during tadpole stages while the isthmotectal projection in the frog Rana pipiens fails to show reorganization. This plasticity has been shown to be dependent upon activation of the N-methyl-D-aspartate (NMDA) receptor located on tectal cell dendrites. The reorganization process in Xenopus is hypothesized to employ a Hebbian mechanism requiring correlated firing of ipsilateral and contralateral inputs to a give

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34

Serrano, Elba E., and Quincy A. Quick. "Auditory organs in Xenopus laevis and Xenopus tropicalis." Journal of the Acoustical Society of America 112, no. 5 (2002): 2229. http://dx.doi.org/10.1121/1.4808622.

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35

Matsuda, Yoichi, Yoshinobu Uno, Mariko Kondo, et al. "A New Nomenclature of Xenopus laevis Chromosomes Based on the Phylogenetic Relationship to Silurana/Xenopus tropicalis." Cytogenetic and Genome Research 145, no. 3-4 (2015): 187–91. http://dx.doi.org/10.1159/000381292.

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Xenopus laevis (XLA) is an allotetraploid species which appears to have undergone whole-genome duplication after the interspecific hybridization of 2 diploid species closely related to Silurana/Xenopus tropicalis (XTR). Previous cDNA fluorescence in situ hybridization (FISH) experiments have identified 9 sets of homoeologous chromosomes in X. laevis, in which 8 sets correspond to chromosomes 1-8 of X. tropicalis (XTR1-XTR8), and the last set corresponds to a fusion of XTR9 and XTR10. In addition, recent X. laevis genome sequencing and BAC-FISH experiments support this physiological relationshi

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36

Ghaseminejad, Farhad, Beatrice M. Tam, Colette N. Chiu, Joanna M. Feehan, and Orson L. Moritz. "Gene editing treatment strategies for retinitis pigmentosa assessed in Xenopus laevis carrying a mutant Rhodopsin allele." Journal of Translational Genetics and Genomics 6 (2022): 111–25. http://dx.doi.org/10.20517/jtgg.2021.49.

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Aim: To examine the utility of gene editing therapies for retinitis pigmentosa using Xenopus laevis carrying a mutation in Rhodopsin. Methods: Xenopus laevis were genetically modified using CRISPR-Cas9 based methods and characterized by Sanger sequencing, dot blot, electroretinography, and confocal microscopy. Results: We identified genetically modified Xenopus laevis carrying a net 12 base pair deletion in the Rho.L gene. These animals have a retinal degeneration that is apparent by 14 days, with abnormal or missing rod outer segments, and a reduced electroretinogram signal. We prevented the

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37

McCallum, F. S., and B. E. H Maden. "Human 18 S ribosomal RNA sequence inferred from DNA sequence. Variations in 18 S sequences and secondary modification patterns between vertebrates." Biochemical Journal 232, no. 3 (1985): 725–33. http://dx.doi.org/10.1042/bj2320725.

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We have determined the DNA sequences encoding 18 S ribosomal RNA in man and in the frog, Xenopus borealis. We have also corrected the Xenopus laevis 18 S sequence: an A residue follows G-684 in the sequence. These and other available data provide a number of representative examples of variation in primary structure and secondary modification of 18 S ribosomal RNA between different groups of vertebrates. First, Xenopus laevis and Xenopus borealis 18 S ribosomal genes differ from each other by only two base substitutions, and we have found no evidence of intraspecies heterogeneity within the 18

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38

Shum, B. P., D. Avila, L. Du Pasquier, M. Kasahara, and M. F. Flajnik. "Isolation of a classical MHC class I cDNA from an amphibian. Evidence for only one class I locus in the Xenopus MHC." Journal of Immunology 151, no. 10 (1993): 5376–86. http://dx.doi.org/10.4049/jimmunol.151.10.5376.

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Abstract The amphibian Xenopus is an ectothermic vertebrate in which the MHC has been studied extensively at the functional, biochemical, and genetic levels. A cDNA clone corresponding to the MHC class la gene (Xela-UAA1f) of Xenopus laevis was isolated by screening a cDNA phage library with oligonucleotides based on NH2-terminal protein sequence. Three pieces of evidence support its status as a class la gene: 1) Previous biochemical data suggested that only one polymorphic class la molecule is expressed per MHC haplotype in X. laevis. NH2-terminal sequencing of the class I protein encoded by

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39

Ginal, Philipp, Francisco D. Moreira, Raquel Marques, Rui Rebelo, and Dennis Rödder. "Predicting terrestrial dispersal corridors of the invasive African clawed frog Xenopus laevis in Portugal." NeoBiota 64 (January 28, 2021): 103–18. https://doi.org/10.3897/neobiota.64.60004.

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Invasive species, such as the mainly aquatic African clawed frog Xenopus laevis, are a main threat to global biodiversity. The identification of dispersal corridors is necessary to restrict further expansion of these species and help to elaborate management plans for their control and eradication. Here we use remote sensing derived resistance surfaces, based on the normalised difference vegetation index (NDVI) and the normalised difference water index (NDWI) accounting for behavioural and physiological dispersal limitations of the species, in combination with elevation layers, to determine fin

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40

Charalambous, Anna, Maria Koyioni, Ioanna Antoniades, et al. "1,2,3-Dithiazoles – new reversible melanin synthesis inhibitors: a chemical genomics study." MedChemComm 6, no. 5 (2015): 935–46. http://dx.doi.org/10.1039/c5md00052a.

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41

Hammoud, Lamis, Logan A. Walsh, and Sashko Damjanovski. "Cloning and developmental characterization of Xenopus laevis membrane type-3 matrix metalloproteinase (MT3-MMP)." Biochemistry and Cell Biology 84, no. 2 (2006): 167–77. http://dx.doi.org/10.1139/o05-175.

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Proper extracellular matrix (ECM) remodeling, mediated by matrix metalloproteinases (MMPs), is crucial for the development and survival of multicellular organisms. Full-length Xenopus laevis membrane type-3 matrix metallo proteinase (MT3-MMP) was amplified by PCR and cloned from a stage 28 Xenopus head cDNA library. A comparison of the derived Xenopus MT3-MMP protein sequence to that of other vertebrates revealed 86% identity with human and mouse and 85% identity with chicken. The expression profile of MT3-MMP was examined during Xenopus embryogenesis: MT3-MMP transcripts were first detected a

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42

Baronsky, Thilo, Aliaksandr Dzementsei, Marieelen Oelkers, Juliane Melchert, Tomas Pieler, and Andreas Janshoff. "Reduction in E-cadherin expression fosters migration of Xenopus laevis primordial germ cells." Integrative Biology 8, no. 3 (2016): 349–58. http://dx.doi.org/10.1039/c5ib00291e.

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43

Nonaka, M., C. Namikawa-Yamada, M. Sasaki, L. Salter-Cid, and M. F. Flajnik. "Evolution of proteasome subunits delta and LMP2: complementary DNA cloning and linkage analysis with MHC in lower vertebrates." Journal of Immunology 159, no. 2 (1997): 734–40. http://dx.doi.org/10.4049/jimmunol.159.2.734.

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Abstract The class II region of the mammalian MHC harbors two proteasome subunit genes, LMP2 and LMP7. These genes are induced by IFN-gamma, and their products are incorporated into proteasomes substituting for their closest relatives, the delta and X subunits, respectively. This substitution is believed to change the proteolytic specificity of proteasomes, making it more suitable for generation of peptides to be presented by class I molecules. To elucidate the phylogenetic origin of LMP2 and the linkage of its gene with the MHC, reverse transcriptase-PCR amplification of Xenopus laevis and la

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44

Pauwels, Olivier S. G., Jonathan Brecko, Dimitri Baeghe, Jeroen Venderickx, Ann Vanderheyden, and Thierry Backeljau. "Morphological, acoustic and genetic identification of a reproducing population of the invasive African clawed frog Xenopus laevis (Anura, Pipidae) recently discovered in Belgium." ZooKeys 1184 (November 14, 2023): 41–64. http://dx.doi.org/10.3897/zookeys.1184.103702.

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Using external morphology of adults and tadpoles, osteology from high-resolution microcomputed tomography, vocalization analysis, and DNA sequence data, the identity of a reproducing Belgian population of invasive Xenopus at the current northernmost edge of the distribution of the genus in Europe was assessed. All data concur to an identification as Xenopus (Xenopus) laevis (Daudin, 1802). Genetically it is most closely related to populations of the Cape region in South Africa. No studies on the natural history of the Belgian Xenopus population and its impact on the local environment have been

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BOĞA, Ayper, Seçil BİNOKAY, Ayşe KENDİRCİ, and Tuncay ÖZGÜNEN. "Experimental Embryology in Xenopus Laevis." Turkish Journal of Biology 21, no. 2 (1997): 141–48. http://dx.doi.org/10.55730/1300-0152.2515.

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Loidl, J., and D. Schweizer. "Synaptonemal Complexes of Xenopus laevis." Journal of Heredity 83, no. 4 (1992): 307–9. http://dx.doi.org/10.1093/oxfordjournals.jhered.a111218.

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Bernardini, Giovanni, Rosalba Gornati, Silvana Rapelli, Federica Rossi, and Bruno Berra. "Lipids of Xenopus laevis Spermatozoa." Development, Growth and Differentiation 34, no. 3 (1992): 329–35. http://dx.doi.org/10.1111/j.1440-169x.1992.tb00022.x.

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Bassham, Susan, Aaron Beam, and Janis Shampay. "Telomere Variation in Xenopus laevis." Molecular and Cellular Biology 18, no. 1 (1998): 269–75. http://dx.doi.org/10.1128/mcb.18.1.269.

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Abstract:

ABSTRACT Eukaryotic telomeres are variable at several levels, from the length of the simple sequence telomeric repeat tract in different cell types to the presence or number of telomere-adjacent DNA sequence elements in different strains or individuals. We have investigated the sequence organization of Xenopus laevis telomeres by use of the vertebrate telomeric repeat (TTAGGG) n and blot hybridization analysis. The (TTAGGG) n -hybridizing fragments, which ranged from less than 10 to over 50 kb with frequently cutting enzymes, defined a pattern that was polymorphic between individuals. BAL 31 e

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White-James, Jaime, Dustin McAndrew, James Badman, and Michael McGarry. "Alternative housing for Xenopus laevis." Lab Animal 37, no. 4 (2008): 161–63. http://dx.doi.org/10.1038/laban0408-161.

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Vignali, Robert, Simone Macrì, Marco Onorati, Emanuela Basaldella, Riccardo Sgarra, and Guidalberto Manfioletti. "HMGA proteins in Xenopus laevis." Developmental Biology 319, no. 2 (2008): 589–90. http://dx.doi.org/10.1016/j.ydbio.2008.05.487.

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