Results 71 to 80 of about 63,028 (288)

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

Complete plastome sequence of Vernicia Montana Lour. (Euphorbiaceae): a deciduous tree species in southeast Asia

open access: yesMitochondrial DNA. Part B. Resources, 2021
Vernicia montana Lour. is a deciduous tree species belonging to the family of Euphorbiaceae, distributed in southeast Asia. Here, we report and characterize the complete plastome of Vernicia montana Lour.
Jian-Feng Yao   +3 more
doaj   +1 more source

Ricinus Communis: Nutritional Importance, Health Benefits, and Industrial Applications

open access: yeseFood, Volume 7, Issue 1, February 2026.
The current paper summarizes the nutritional composition, phytochemistry, health benefits, safety studies, and applications of castor beans and their oil. Moreover, the diverse bioactive compounds, including saponins, emodins, terpenoids, anthraquinones, flavonoids, steroids, and alkaloids, exhibit therapeutic properties such as antioxidant, anticancer,
Hassan Raza   +13 more
wiley   +1 more source

Natural Products in Cancer Prevention and Therapy: Current Challenges and Future Directions

open access: yesMedComm, Volume 7, Issue 2, February 2026.
Natural products play a pivotal role in cancer therapy. They induce cancer cell death by reprogramming four metabolic pathways while precisely targeting the tumor microenvironment and immune cells. These compounds not only leverage novel delivery systems for innovative applications but also demonstrate unique therapeutic efficacy across clinical stages:
Ruimiao Qian   +8 more
wiley   +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, Volume 28, Issue 1, Page 82-93, February 2026.
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

Comprehensive review on herbal remedies treatment for acquired immune deficiency syndrome (AIDS)

open access: yesHIV & AIDS Review. International Journal of HIV-Related Problems
This thorough review aimed to present critical examination of the literature on the subject, and assess the effectiveness of herbal medicines for the treatment of acquired immune deficiency syndrome (AIDS).
Sushma Verma, Sushen Singh Choudhary
doaj   +1 more source

Pollination and plant reproduction in the Cerrado, the world's most biodiverse savanna

open access: yesBiological Reviews, Volume 101, Issue 1, Page 74-105, February 2026.
ABSTRACT The Brazilian Cerrado is a continental‐wide biodiversity hotspot and the most species‐rich savanna ecosystem in the world. The main aspect characterising this biodiversity is that the landscape is arranged as an intricate mosaic of different plant formations, including grasslands, savannas, and forests, each harbouring distinct but ...
João C. F. Cardoso   +6 more
wiley   +1 more source

A survey of selected coastal vegetation communities of Florida [PDF]

open access: yes, 1977
A survey of coastal vegetation around Florida was conducted during 1973 and 1974. Seventeen sites were selected and sampled using the transect method to determine species occurrence, relative densities, and habitat development and structure.
Carlton, Jedfrey M.
core  

Comparative analysis of plant immune receptor architectures uncovers host proteins likely targeted by pathogens. [PDF]

open access: yes, 2016
BACKGROUND: Plants deploy immune receptors to detect pathogen-derived molecules and initiate defense responses. Intracellular plant immune receptors called nucleotide-binding leucine-rich repeat (NLR) proteins contain a central nucleotide-binding (NB ...
Cevik, Volkan   +4 more
core   +11 more sources

Temperature and the evolution of flower color: A review

open access: yesAmerican Journal of Botany, Volume 113, Issue 1, January 2026.
Abstract Flower colors brighten our natural world. How and why have they evolved? How might ongoing global warming alter their evolutionary trajectories? In this review, I examine the influence of ambient temperature on the evolution of flower color.
Elizabeth P. Lacey
wiley   +1 more source

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