Results 151 to 160 of about 3,482,901 (312)

River Barriers and Spatial Constraints: Unveiling the Factors Shaping Species Distribution in the Amazonian Rainforest

Journal of Biogeography, EarlyView.
ABSTRACT Aim We aimed to quantify the relative contributions of geographic distance, environmental variation, and riverine barriers to shaping species distributions across the Amazon forest. Location Amazon forest, Brazil. Time Period Present. Major Taxa Studied Class Arachnida; Order: Opiliones (harvestmen).
Cristian de Sales Dambros, Elisa Leal Abbad, Pio Antonio Colmenares Garcia, Ana Lúcia Tourinho   +3 more
wiley   +1 more source

Molecular phylogeny reveals a new species of ghost electric knifefish Porotergus Ellis 1912 (Gymnotiformes: Apteronotidae), from the Amazon basin

Journal of Fish Biology, EarlyView.
Abstract A new species of ghost electric knifefish, Porotergus sambaibensis sp. nov., is described from the Javaés River, a tributary of the Araguaia River in Brazil. The new species was assigned to the genus Porotergus as the closest relative to Porotergus gimbeli through maximum likelihood reconstruction of a concatenated multilocus dataset ...
Marina B. Mendonça, Luiz A. W. Peixoto, Carine C. Chamon, A. Akama, C. David de Santana   +4 more
wiley   +1 more source

Brazilian nephrologist's knowledge of intradialytic exercise: a national survey. [PDF]

J Bras Nefrol
Cordeiro MDNA, Silva JRD, Policarpo JH, Souza DE, Barbosa JFS, Marinho PÉM.   +5 more
europepmc   +1 more source

Integrative taxonomy suggests hidden diversity within the fish genus Cyttopsis (Zeiformes, Parazenidae)

Journal of Fish Biology, EarlyView.
Abstract Nine specimens of Cyttopsis rosea (Zeiformes: Parazenidae) were collected during scientific surveys at three different locations in the northeast Atlantic. All nine specimens were included in the molecular analysis, adding new cytochrome c oxidase subunit I sequences to public databases.
Rafael Bañón, Francisco Baldó, Juan Carlos Arronte, Alejandro de Carlos, José‐ Daniel Barreiro‐Vázquez, Ángel Sebastián Comesaña, David Barros‐García   +6 more
wiley   +1 more source

New insights into the putative XX/XY sex chromosomal system in blue‐eyed red‐fin pleco Hypostomus soniae (Siluriformes, Loricariidae)

Journal of Fish Biology, EarlyView.
Abstract Blue‐eyed red‐fin pleco Hypostomus soniae (family Loricariidae) presented a putative sex system XX/XY in early stage. Aiming to explore the inter‐populational karyotypic variation and proposed emergence of the XX/XY system, we studied 13 H. soniae individuals (6 males, 7 females) from the Tapajós River.
Luan Aércio Melo Maciel, Renata Coelho Rodrigues Noronha, Bruno Rafael Ribeiro de Almeida, Manoella Gemaque Cavalcante, Cleusa Yoshiko Nagamachi, Julio Cesar Pieczarka, Luís Reginaldo R. Rodrigues   +6 more
wiley   +1 more source

A new species of Peckoltia (Siluriformes, Loricariidae) from the rapids of the Rio Tocantins‐Araguaia basin, Brazil

Journal of Fish Biology, EarlyView.
Abstract Here, we describe a new species of Peckoltia (Loricariidae; Hypostominae) from the rapids of the Rio Tocantins‐Araguaia basin, previously identified as Peckoltia vittata, using an integrative taxonomy approach. The new species is distinguished from congeners by ventral region presenting diffuse stripes on surface, not presenting spots or ...
Felipe Arian Andrade de Araújo, Marlon Felipe Chumber Ferreira, Aline Nascimento Silva, Wolmar Benjamin Wosiacki   +3 more
wiley   +1 more source

Processos de admissão e de integração de imigrantes altamente qualificados em Portugal e a sua relação com a migração circular [PDF]

, 2014
Góis, Pedro, Marques, José Carlos
core  

Optimisation of freeze substitution protocols for the examination of malaria parasite structure by volumetric electron microscopy

Journal of Microscopy, EarlyView.
Abstract Malaria is one of the deadliest infectious diseases in the world, annually responsible for over 400,000 deaths. It is caused by parasites of the genus Plasmodium, which undergo remarkable structural changes during their development within different cells across various hosts.
Rachel Rachid, Camila Wendt, Wanderley de Souza, Kildare Miranda   +3 more
wiley   +1 more source

Investigation of the Telomere Length in PERI‐Implant Oral Mucosa Cells

Journal of Oral Pathology &Medicine, EarlyView.
ABSTRACT Background The biological effects of dental implants on peri‐implant tissues have been widely investigated. Recent reports of oral squamous cell carcinoma (OSCC) cases adjacent to dental implants have raised concerns regarding the potential impact of implant materials on cellular aging and oncogenic transformation.
Fernando Costa Giffoni, Thaís Ellen Chaves Gomes, Priscila Nazaré de Souza, Paula Valente e Silva, Luiz Alexandre Viana Magno, Amanda Lage Cândido, Marcelo Faria Lasmar, Sebastião Guilherme de Oliveira Neto, Marcus Vinicius Lucas Ferreira, Thiago Moreira Gonçalves Araujo, Luara Isabela dos Santos, Bruno Ramos Chrcanovic, Ricardo Santiago Gomez, Roberta Rayra Martins‐Chaves   +13 more
wiley   +1 more source

Cerebral CT- Angiography: study of brain aneurysms [PDF]

, 2009
Brito, O, Machado, E, Marques, C, Pereira, S, Santos, G   +4 more
core