Results 141 to 150 of about 362,357 (213)

Trophic Ecology of Loggerhead Turtles (Caretta caretta) in Southern Brazil: Insights From Stable Isotopes

open access: yesAquatic Conservation: Marine and Freshwater Ecosystems, Volume 36, Issue 2, February 2026.
ABSTRACT This study aimed to investigate the trophic ecology of loggerhead turtles recorded stranded along the Paraná coast in southern Brazil. Carbon and nitrogen stable isotopes were analysed in muscle tissues from 20 loggerhead turtles and in 69 specimens representing 12 prey species (molluscs, crustaceans and teleost fishes).
Gleici Montanini   +7 more
wiley   +1 more source

Seasonality Affects the Phenolic Composition and Erythroprotective Activity of Ora‐Pro‐Nobis (Pereskia aculeata) Leaves

open access: yesChemistry &Biodiversity, Volume 23, Issue 2, February 2026.
ABSTRACT Ora‐pro‐nobis (OPN) is a food plant with polyphenol‐rich leaves. However, the influence of seasonality on their quantitative phenolic composition and how it impacts their bioactivities is unknown. OPN leaves were harvested throughout 12 months, and their individual phenolic content, antioxidant activity, and erythroprotection were assessed ...
Thiago Mendanha Cruz   +3 more
wiley   +1 more source

Complete Mitochondrial Genome of Gyrodactylus nigeri (Platyhelminthes: Monogenea)

open access: yesEcology and Evolution, Volume 16, Issue 2, February 2026.
The fish Yunnanilus niger is the host of Gyrodactylus nigeri. The mitochondrial genome of G. nigeri is 14,903 bp in length. Phylogenetic analyses indicated that this species belonged to the genus Gyrodactylus and Gyrodactylidae forms an independent monophyletic clade within Gyrodactylidea.
Yuhan Yang   +6 more
wiley   +1 more source

Icnofauna de ritmitos do topo da Formação Mafra (Permo-Carbonífero da Bacia do Paraná) em Rio Negro, Estado do Paraná (PR), Brasil

open access: yesPublicación Electrónica de la Asociación Paleontológica Argentina, 2015
Icnofauna de ritmitos do topo da Formação Mafra (Permo-Carbonífero da Bacia do Paraná) em Rio Negro, Estado do Paraná (PR ...
Patricia Balistieri
doaj  

Acute Toxicity and Genotoxicity of cMoL, a Lectin From Moringa oleifera Seeds With Antifungal Activity Against Cryptococcus Strains

open access: yesJournal of Applied Toxicology, Volume 46, Issue 2, Page 682-696, February 2026.
ABSTRACT Coagulant Moringa oleifera lectin (cMoL) is one of the compounds involved in the application of M. oleifera seeds for traditional water treatment methods. The present study highlights the new biotechnological potential of cMoL lectin as an antifungal agent against Cryptococcus neoformans B3501 and H99 and Cryptococcus gattii R265 strains ...
Matheus Cavalcanti de Barros   +16 more
wiley   +1 more source

Revision of Manettia (Rubiaceae) in Paraguay

open access: yesNordic Journal of Botany, Volume 2026, Issue 2, February 2026.
Manettia Mutis is a Neotropical genus comprising over 100 species, many of which are only known from their original descriptions or, at most, from revisions dating back over 100 years. Recent review studies have remained unpublished for several years. Conventional taxonomic methods are followed.
Silvana Yasmin Gauto   +2 more
wiley   +1 more source

Habitat selection, parasites and injuries in Amazonian crocodilians

open access: yes, 1985
Caiman crocodilus is found most frequently in relatively warm, shallow or grassy areas in the larger rivers, lakes and canals of Amazonia. The habitats that it uses are increasing in area because of human activities.
Magnusson, W.
core  

Metal‐Coordination Specificity and Structural Dynamics of C. elegans Metallothionein I: Insights From 3D Modeling and MD Simulations

open access: yesProteins: Structure, Function, and Bioinformatics, Volume 94, Issue 2, Page 620-632, February 2026.
ABSTRACT Metallothioneins (MTLs) are small, cysteine‐rich proteins known for their ability to bind metal ions and exhibit flexible, disordered structures. The structural and functional characteristics of metallothionein I (MTL‐1) from Caenorhabditis elegans were investigated, focusing on its behavior in both metal free (MTL‐1 Apo) and metal‐bond states
Nilvea Ramalho de Oliveira   +4 more
wiley   +1 more source

Increasing the diversity of Sycorax Haliday, 1839 (Diptera: Psychodidae) in the Neotropical region: New species from the Brazilian Atlantic Forest

open access: yesAustral Entomology, Volume 65, Issue 1, February 2026.
Abstract Four new species of Sycorax Haliday, 1839 are described: Sycorax alumna sp. nov., Sycorax catarina sp. nov., Sycorax paranaensis sp. nov., and Sycorax striga sp. nov., with the females of Sycorax striga sp. nov. bearing characteristics that suggest haematophagous behaviour.
Lucas Rossito   +2 more
wiley   +1 more source

AVALIAÇÃO DA PESCA EXTRATIVA EM ALGUNS RIOS DO ESTADO DE SÃO PAULO, NO PERÍODO ENTRE 1994 E 1999

open access: yesBoletim do Instituto de Pesca, 2018
Através da coleta de dados mensais de captura foi realizado o acompanhamento da produção da pesca extrativa nos rios Paranapanema, Paraná, Grande, São José dos Dourados, Turvo e na Represa de Três Irmãos (rio Tietê), no perí­­odo de 1994 a 1999, e no ...
Harry VERMULM Jr   +4 more
doaj  

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