Results 271 to 280 of about 114,650 (305)

Phylogenetic relationships and the identification of allopolyploidy in circumpolar Silene sect. Physolychnis

open access: yesAmerican Journal of Botany, Volume 112, Issue 6, June 2025.
Abstract Premise Species complexes are groups of closely related species with ambiguous delimitation, often composed of recently diverged lineages. Polyploidization and uniparental reproduction (i.e., selfing and apomixis) can play important roles in the origin of species complexes. These complexes pose challenges for species‐based scientific questions,
Anne‐Sophie Quatela   +7 more
wiley   +1 more source

Rare species do not disproportionately contribute to phylogenetic diversity in a subalpine plant community

open access: yesAmerican Journal of Botany, Volume 112, Issue 6, June 2025.
Abstract Premise Within plant communities, few species are abundant, and most are locally rare. Worldwide, 36% of plant species are exceedingly rare and often face high extinction risk. However, the community phylogenetic impact of the loss of rare plants is largely unknown in many systems.
Leah N. Veldhuisen   +3 more
wiley   +1 more source

Investigation of antibacterial and anticancer activities of biosynthesized metal‐doped and undoped zinc oxide nanoparticles

open access: yesBiotechnology and Applied Biochemistry, Volume 72, Issue 3, Page 586-609, June 2025.
Abstract Over the past 10 years, nanotechnology has emerged as a very promising technique for a wide range of biomedical applications. Green synthesized metal and metal oxide nanoparticles (NPs) are cheap, easy to produce in large quantities, and safe for the environment.
Kaan Şendal   +6 more
wiley   +1 more source

Organ toxicities associated with diet‐induced obesity in rats: Investigation of changes in activities selected enzymes

open access: yesBiotechnology and Applied Biochemistry, Volume 72, Issue 3, Page 743-754, June 2025.
Abstract Obesity stands out as one of the most significant health problems in the modern world. The prevalence of high‐calorie diets (HCDs) globally exacerbates this condition. Throughout history, plants and plant‐derived food products have been utilized for medicinal purposes, demonstrating their efficacy in the treatment and prevention of various ...
Bedia Bati
wiley   +1 more source

Phytochemical Profile and Anticancer Activity of Achillea conferta Leaf Extracts: Insights Into Antioxidant Properties

open access: yesChemistry &Biodiversity, Volume 22, Issue 6, June 2025.
ABSTRACT This study explores the phytochemical composition and biological potential of extracts from Achillea conferta leaves, specifically hydroethanolic extract (HE), total flavonoid extract (TFE), and glycoside flavonoid extract (GFE). Phytochemical screening of HE revealed significant concentrations of phenolic compounds, flavonoids, and tannins ...
Mhmood Shakoori Yaseen   +3 more
wiley   +1 more source

Citizen science records are fuelling exciting discoveries of new plant species

open access: yes
American Journal of Botany, Volume 112, Issue 6, June 2025.
Thomas Mesaglio   +2 more
wiley   +1 more source
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Typifications in Eupatorieae (Asteraceae)

Phytotaxa, 2022
During a taxonomic revision of Eupatorieae (Asteraceae) from Ceará state, Brazil, we found that nomenclatural acts were required according to the International Code of Botanical Nomenclature (ICBN). After analyzing protologues and original material, we have designated three lectotypes for names within Ayapana, Barrosoa, and Dissothrix.
NATANAEL COSTA REBOUÇAS   +3 more
openaire   +2 more sources

ETHNOPHARMACOLOGY OF MEXICAN ASTERACEAE (COMPOSITAE)

Annual Review of Pharmacology and Toxicology, 1998
▪ Abstract  Traditional herbal remedies have increased in popularity in Europe and the United States in recent years but have always been important to people living in rural Mexico and to their Mexican American/Chicano descendants in the United States.
Heinrich, Michael   +4 more
openaire   +4 more sources

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