Results 61 to 70 of about 963 (176)

Levantamento preliminar de Pteridophyta do Parque Estadual do Rio Doce (MG) Pteridophyta preliminary survey at Rio Doce State Park, MG, Brazil

Acta Botânica Brasílica, 1998
Foi realizado um levantamento preliminar de Pteridophyta no Parque Estadual do Rio Doce, sendo coletadas 15 famílias, 27 gêneros c 57 espécies. As famílias encontradas foram Aspleniaceae, Blechnaceae, Dennstaedtiaceae, Dryopteridaceae, Gleicheniaceae ...
Deusângela Graçano, Jefferson Prado, Aristéa Alves Azevedo   +2 more
doaj   +1 more source

Community characteristics and population dynamics of Osmanthus pubipedicellatus, a rediscovered critically endangered species based on morphological and molecular evidence

Biological Diversity, Volume 1, Issue 2, Page 93-105, June 2024.
The rediscovery of Osmanthus pubipedicellatus, a national second‐class key protected critically endangered plant. Abstract Conservation of plant diversity is essential in the current status of rapid biodiversity loss. A critically endangered species of Oleaceae, Osmanthus pubipedicellatus was rediscovered in its type locality after nearly a century ...
Dan Xie, Yi‐Da Xu, Rong Liu, Shu‐Peng Dong, Imalka Kahandawala, Angela Biro, Zu‐Lin Ning   +6 more
wiley   +1 more source

Sinopse de Licófitas e Samambaias do Parque Nacional da Amazônia, Pará, Brasil

Rodriguésia, 2020
Resumo Neste trabalho é apresentado um levantamento das samambaias e licófitas do Parque Nacional da Amazônia, Pará, Brasil. Este é um dos maiores Parques da bacia amazônica e agrega os principais tipos vegetacionais das terras baixas da Amazônia ...
Edson Alves Menezes, Paulo Henrique Labiak   +1 more
doaj   +1 more source

The Biomimetic Synthesis of Polyarylated Fluorenes, Relevant to Selaginellaceae Polyphenols, Leading to the Spontaneous Formation of Stable Radicals

ChemPlusChem, Volume 89, Issue 4, April 2024.
A biomimetic synthesis of polyarylated fluorenes similar to naturally occurring selaginpulvilines is reported in this work. Some of the synthesized fluorens spontaneously decompose to solid‐state stable radical. Various techniques were employed, including cyclic voltammetry, EPR spectroscopy, and DFT calculation to shine a light on the origin and ...
Sundaravelu Nallappan, Ringaile Lapinskaite, Josef Hájíček, Dominik Kunák, Peter Čambal, David Nečas, Ivana Císařová, Hazal Nazlıcan Atalay, Tugba B. Tumer, Ján Tarábek, Karolina Schwarzová‐Pecková, Lukas Rycek   +11 more
wiley   +1 more source

Antinociceptive effect of ethanolic extract of Selaginella convoluta in mice

BMC Complementary and Alternative Medicine, 2012
Background Selaginella convoluta (Arn.) Spring (Selaginellaceae), commonly known as “jericó”, is a medicinal plant found in northeastern Brazil. S.
de Sá Pedro Guilherme S, Nunes Xirley, de Lima Julianeli, Filho JoséAlvesdeSiqueira, Fontana André, Siqueira Jullyana de, Quintans-Júnior Lucindo, Damasceno Patrícia Kauanna, Branco Carla Rodrigues, Branco Alexsandro, Almeida JacksonRobertoGuedesdaSilva   +10 more
doaj   +1 more source

Selaginella salinoi (Selaginellaceae), a new species from Brazil

Phytotaxa, 2015
 A species of Selaginella from Parque Nacional do Caparaó, in Espírito Santo State, southeastern Brazil, is described as new to the science: Selaginella salinoi grows on rocks in Atlantic Rainforest vegetation at ca. 1200 m. The description includes photos of live plants and, scanning electron micrographs.
Luiz Armando de Araújo Góes-Neto, Gustavo Heringer, Alexandre Salino   +2 more
openalex   +3 more sources

Advances in resources, biosynthesis pathway, bioavailability, bioactivity, and pharmacology of ochnaflavone

Future Postharvest and Food, Volume 1, Issue 1, Page 47-60, March 2024.
This review provides a concise and comprehensive summary of existing knowledge on the chemical structure, plant origin, physical properties, biotransformations, and multifaceted biological activities of ochnaflavone. Abstract Ochnaflavone is a naturally occurring biflavonoid mainly isolated from Ochna integerrima, manifests health benefits encompassing
Shiye Lin, Abirami Ramu Ganesan, Celia Vargas‐De‐La‐Cruz, Jaime Ortiz‐Viedma, Jianbo Xiao   +4 more
wiley   +1 more source

Pteridófitas de uma área remanescente de Floresta Atlântica do Estado de Pernambuco, Brasil Floristic survey of the pteridophytes from a remnant area of Atlantic Forest, Pernambuco State, Brazil

Acta Botânica Brasílica, 1997
É apresentado um "checklist" das pteridófitas ocorrentes na Reserva Ecológica de Jangadinha, Município de Jaboatão dos Guararapes, como contribuição aos estudos da pteridoflora de áreas de Floresta Atlântica do Estado de Pernambuco.
Sandra Tereza Ambrósio, Iva Carneiro Leão Barros   +1 more
doaj   +1 more source

Flavonoids as Promising Akt1 Inhibitors in Cancer Medicine: Insights From Molecular Docking, Dynamics, DFT Calculations, and In Vitro Validation [PDF]

Cancer Rep (Hoboken)
ABSTRACT Background The PI3K/Akt/mTOR signaling pathway is commonly deregulated in different types of cancers, contributing to tumor proliferation, persistence, and resistance to treatment. Akt1, a crucial kinase within this pathway, plays a critical role in tumor progression and the occurrence of therapeutic resistance.
Jamshidi S, Eghbalian A, Shojaei S, Taherkhani A, Feizi‐Dehnayebi M.   +4 more
europepmc   +2 more sources

Phylogeny of Selaginellaceae: There is value in morphology after all! [PDF]

American Journal of Botany, 2016
PREMISE OF THE STUDY:The cosmopolitan lycophyte family Selaginellaceae, dating back to the Late Devonian–Early Carboniferous, is notorious for its many species with a seemingly undifferentiated gross morphology. This morphological stasis has for a long time hampered our understanding of the evolutionary history of the single genus Selaginella.
Weststrand, Stina, Korall, Petra
openaire   +3 more sources