Results 51 to 60 of about 9,376,044 (297)

Leveraging machine learning and Landsat time series for high-resolution mapping of mining-induced vegetation changes in Ouagadougou, Burkina Faso

open access: yesEnvironmental Challenges
Quarries are open pit mines, where construction materials such as granite and clay are extracted from the earth's surface, leading to a major disturbance of vegetation and subsequent degradation of ecosystem services.
Oussama Himmy   +5 more
doaj   +1 more source

Food Flows and the Roles of Cities in West African Food Distribution Networks

open access: yesFrontiers in Sustainable Food Systems, 2022
In West Africa, rampant urbanization is changing food systems, including the magnitude and composition of food flows and the length of supply chains. An increasing body of literature discusses pathways to sustainable transformation of urban food systems ...
Hanna Karg   +7 more
doaj   +1 more source

Autophagy and mitophagy in pancreatic β‐cell homeostasis and their involvement in diabetes pathophysiology

open access: yesFEBS Letters, EarlyView.
This review focuses on the role of autophagy and mitophagy in maintaining pancreatic β‐cell function and homeostasis. We discuss how genetic defects affecting these pathways contribute to the development of type 1, type 2, monogenic, and gestational diabetes. We further explore their potential as therapeutic targets. Created in BioRender.
Yunkyeong Lee   +2 more
wiley   +1 more source

Emerging experimental and computational methods for studying redox‐regulated structural transitions

open access: yesFEBS Letters, EarlyView.
Redox reactions can reshape proteins and alter how they behave in cells, with important consequences for health and disease. This review explores emerging experimental and computational approaches for discovering these redox‐sensitive protein switches, revealing their structural effects, and predicting their behavior, opening new opportunities to ...
Tasneem Rass   +2 more
wiley   +1 more source

Effect of green and roasted coffee storage conditions on selected characteristic quality parameters

open access: yesScientific Reports, 2023
The paper attempts to determine the best storage conditions for green and roasted coffee beans. Coffee beans were processed in various ways—some of them were washed or left in their natural state after harvesting, then they were stored in two types of ...
Justyna Błaszkiewicz   +8 more
doaj   +1 more source

Organic livestock production systems and appropriate development in relation to public expectations [PDF]

open access: yes, 2001
There has been a tremendous growth in numbers of organic farms in EU over the latest years – from below 20,000 farms in year 1992 to more than 120,000 farms in 1999 (Padel, 2001).
Hermansen, John E.
core   +1 more source

Structural and biochemical analysis of a B12 superbinder

open access: yesFEBS Letters, EarlyView.
BtuG proteins are vitamin B12 scavengers in Bacteroides thetaiotaomicron, a dominant human gut bacterium. We present crystal structures of three BtuG homologs bound to cobalamin and its precursor cobinamide, revealing picomolar binding affinities, among the highest known for any natural protein.
Jose M. Martinez Felices   +3 more
wiley   +1 more source

Determination of the effects of bumblebee (Bombus terrestris), hand, and natural pollination on fruit set, yield, and quality in pitaya (Hylocereus spp.) cultivation under subtropical conditions

open access: yesBMC Plant Biology
Background Pollination plays a key role in determining fruit set, yield, and fruit quality, particularly in regions outside the crop’s native habitat where natural pollinators may be insufficient. Commercial pitaya (Hylocereus spp.) production in Türkiye
Halil İbrahim Yolcu   +3 more
doaj   +1 more source

Interactions between abiotic factors and the bioactivity of biodynamic horn manure on the growth of garden cress (Lepidium sativum L.) in a bioassay

open access: yesChemical and Biological Technologies in Agriculture, 2020
Background The use of biostimulants like humic substances is a promising innovative approach in agriculture to activate and sustain physiological plant processes.
Alain Morau, Hans-Peter Piepho
doaj   +1 more source

Newsletter of the LowInputBreeds project. Issue 1. EU project LowInputBreeds - Development of integrated livestock breeding and management strategies to improve animal health, product quality and performance in European organic and ‘low input’ milk, meat and egg production [PDF]

open access: yes, 2009
Welcome to the first issue of the newsletter of the project LowInputBreeds “Development of integrated livestock breeding and management strategies to improve animal health, product quality and performance in European organic and ‘low input’ milk, meat
LowInputBreeds Consortium,
core  

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