Results 1 to 10 of about 18,739 (185)

OSCILLATORIA AMPHIBIA – SURSĂ DE SUBSTANŢE BIOLOGIC ACTIVE

Studia Universitatis Moldaviae: Stiinte reale si ale naturii, 2011
Nature, quantity of biochemical analysis of Oscillatoria amphibia Ag CLHE-A 1 were examined. These cultures were grown in medium Gromov nr. 6, on the 14th day, after which laboratory analyses have been carried out.
USM ADMIN
doaj  

Cambios de asignación genérica en especies fósiles del este de Europa descritas como Bufo belogoricus Ratnikov, 1993, Bufo planus Ratnikov, 1993 y Bufo albus Ratnikov, 1993 (Amphibia, Anura, Bufonidae)

Graellsia, 2013
Se discute la atribución genérica de tres formas fósiles descritas como Bufo belogoricus Ratnikov, 1993, Bufo planus Ratnikov, 1993, y Bufo albus Ratnikov, 1993.
V. Yu Ratnikov
doaj   +1 more source

Disruption of Sex-Linked Sox3 Causes ZW Female-to-Male Sex Reversal in the Japanese Frog Glandirana rugosa

Biomolecules
Sox3 is an ancestral homologous gene of the male-determining Sry in eutherian mammals and determines maleness in medaka fish. In the Japanese frog, Glandirana rugosa, Sox3 is located on the Z and W chromosomes.
Ikuo Miura, Yoshinori Hasegawa, Michihiko Ito, Tariq Ezaz, Mitsuaki Ogata   +4 more
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Glycopattern analysis and structure of the egg extra-cellular matrix in the Apennine yellow-bellied toad, <i>Bombina pachypus (Anura: Bombinatoridae)</i>

Folia Histochemica et Cytobiologica, 2011
We studied the glycopatterns and ultrastructure of the extra-cellular matrix (ECM) of the egg of the Apennine yellow-bellied toad <i>Bombina pachypus</i>, by light and electron microscopy in order to determine structure, chemical composition ...
Maria Mastrodonato, Roberta Rossi, Angela Maria Moramarco, Giovanni Scillitani   +3 more
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Expected impacts of climate change threaten the anuran diversity in the Brazilian hotspots

Ecology and Evolution, 2018
We performed Ecological Niche Models (ENMs) to generate climatically suitable areas for anurans in the Brazilian hotspots, the Atlantic Forest (AF), and Cerrado (CER), considering the baseline and future climate change scenarios, to evaluate the ...
Tiago S. Vasconcelos, Bruno T. M. doNascimento, Vitor H. M. Prado   +2 more
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Herpetofaunal Diversity of Çanakkale Southwest Coastal Zones

Turkish Journal of Bioscience and Collections, 2020
Along with the literature information obtained from previous studies, the determination of species in herpetofauna studies gives information about the herpetofauna of the research area.
Begüm Boran, İbrahim Uysal, Murat Tosunoğlu   +2 more
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Immunohistochemical Characterization of Langerhans Cells in the Skin of Three Amphibian Species

Biology
The amphibian taxon includes three orders that present different morphological characteristics: Anura, Caudata, and Apoda. Their skin has a crucial role: it acts as an immune organ constituting a physical, chemical, immunological, and microbiological ...
Giorgia Pia Lombardo, Anthea Miller, Marialuisa Aragona, Emmanuele Messina, Angelo Fumia, Michał Kuciel, Alessio Alesci, Simona Pergolizzi, Eugenia Rita Lauriano   +8 more
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Integrating alpha, beta, and phylogenetic diversity to understand anuran fauna along environmental gradients of tropical forests in western Ecuador

Ecology and Evolution, 2019
The study of current distribution patterns of amphibian species in South America is of particular interest in areas such as evolutionary ecology and conservation biology.
Luis Amador, Mauricio Soto‐Gamboa, Juan M. Guayasamin   +2 more
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Microplastic Contamination in Amphibians and Reptiles: An Ecotoxicological Synthesis of Exposure, Mechanisms, and Risk Implications

Toxics
Microplastic (MP) contamination has become a defining feature of twenty-first century environmental change, yet the toxicological and ecological consequences for amphibians and reptiles—two vertebrate classes already facing severe extinction pressures ...
Ahmet Ali Berber, Cansu Akbulut, Şefika Nur Demir, Muammer Kurnaz   +3 more
doaj   +1 more source

Identity of Sphaerotheca pluvialis (Jerdon, 1853) and other available names among the burrowing frogs (Anura: Dicroglossidae) of South Asia

Journal of Threatened Taxa, 2017
Species diversity of South Asian burrowing frogs within the genus Sphaerotheca is still obscure because of lack of taxonomic review.  There are taxonomic issues within the genus Sphaerotheca with several names being synonymized to S. breviceps and names,
Neelesh Dahanukar, Shauri Sulakhe, Anand Padhye   +2 more
doaj   +1 more source