Results 51 to 60 of about 61,221 (252)

Resilience of Indigenous healthcare systems: Ethnobotanical approaches among the Baka, southeastern Cameroon

open access: yesPeople and Nature, EarlyView.
Abstract Indigenous Peoples rely on biodiversity and traditional knowledge for health and well‐being, yet biological and cultural systems are threatened by ecological and social changes. Limited understanding exists on the factors that support the resilience of Indigenous Peoples' healthcare systems—the capacity of a healthcare system to adapt to ...
Sandrine Gallois   +8 more
wiley   +1 more source

The growth-form of Euphorbia hedyotoides N. E. Br. (syn. E. decariana Croiz.)

open access: yesCollectanea Botanica, 1992
S'ofereix una detallada descripció d'una peculiar forma de creixement d'E. hedyotoides N. E. Or. procedent del sud de Madagascar. Es situa,juntament amb E. eliotii Léandri, en un grup separat : el grup E. hedyotoides.
Werner Rauh
doaj   +1 more source

Rapid preparative isolation of cleistanthin A from the leaves of Cleistanthus collinus Using reverse-phase flash chromatography

open access: yesJournal of Pharmacy and Bioallied Sciences, 2022
Introduction: Cleistanthin A (CA) is an aryl naphthalene lignan, which has a potent anticancer activity by regulating the tumor microenvironment. The objective was to develop a new technique for the isolation of cleistanthin A from the acetone extract of
S C Santosh Kumar   +2 more
doaj   +1 more source

Therapeutic Effects of Phyllanthus urinaria L on Cisplatin‐Induced Acute Kidney Injury: Anti‐Inflammatory, Anti‐Apoptotic, and Anti‐Oxidative Action

open access: yesPediatric Discovery, EarlyView.
Phyllanthus urinaria L can alleviate cisplatin‐induced acute kidney injury by inhibiting inflammation, apoptosis and oxidative stress. ABSTRACT Acute kidney injury (AKI) is a prevalent and serious clinical challenge with limited specific treatments.
Qitong Guo   +8 more
wiley   +1 more source

Euphorbia tirucalli L. (Euphorbiaceae): the miracle tree: current status of available knowledge [PDF]

open access: yes, 2011
Euphorbia tirucalli is one of the most important tree Euphorbias known worldwide for its many uses. Endemic to tropical Africa where it often grows wild, it is usually planted for boundary demarcation but also as a live fence around compounds, shrines ...
Mwine, Tedson Julius, Van Damme, Patrick
core   +1 more source

Effect of seed circulation systems on the spread and diversity of Xanthomonas phaseoli pv. manihotis infecting cassava crops of the Colombian Caribbean

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Cassava is a lifeline for millions of people across the tropics, but its productivity is at risk from a disease called Cassava Bacterial Blight (CBB). In this study, we explore how the everyday practices of farmers exchanging cassava cuttings—a long‐standing tradition—can shape how the disease spreads and evolves in the Colombian Caribbean.
Darío Pérez   +7 more
wiley   +1 more source

Euphosantianane E–G: Three New Premyrsinane Type Diterpenoids from Euphorbia sanctae-catharinae with Contribution to Chemotaxonomy

open access: yesMolecules, 2019
Euphorbia species were widely used in traditional medicines for the treatment of several diseases. From the aerial parts of Egyptian endemic plant, Euphorbia sanctae-catharinae, three new premyrsinane diterpenoids, namely, euphosantianane E−G (1 ...
Abdelsamed I. Elshamy   +6 more
doaj   +1 more source

The role of tropical forest fragment vegetation in maintaining arthropod diversity and spillover to adjacent sugarcane fields O papel da vegetação de fragmentos de floresta tropical na manutenção da diversidade de artrópodes e na sua disseminação para campos de cana‐de‐açúcar adjacentes

open access: yesAgricultural and Forest Entomology, EarlyView.
Tree diversity increases arthropod richness and the abundance of beneficial arthropod groups within Atlantic Forest fragments. Higher insect richness in forest fragments is associated with greater richness in adjacent sugarcane fields, and both habitats share insect families, suggesting spillover.
Sabrina Cesarin de Oliveira   +5 more
wiley   +1 more source

Reversibility of sex changes in the plant kingdom: more important than we thought?

open access: yesBiological Reviews, EarlyView.
ABSTRACT Compared to animals, plants show a wide range of reproductive strategies with different degrees of sex separation (e.g. dioecy, monoecy, hermaphroditism). While sex expression was previously thought to be genetically determined and fixed in plants, accumulating evidence suggests that sex expression can change reversibly even within one ...
Iris Sammarco   +3 more
wiley   +1 more source

Convergent adaptations: bitter manioc cultivation systems in fertile anthropogenic dark earths and floodplain soils in central Amazonia [PDF]

open access: yes, 2012
Shifting cultivation in the humid tropics is incredibly diverse, yet research tends to focus on one type: long-fallow shifting cultivation. While it is a typical adaptation to the highly-weathered nutrient-poor soils of the Amazonian terra firme, fertile
Alessandro Alves-Pereira   +5 more
core   +5 more sources

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