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Green in grey: ecosystem services and disservices perceptions from small-scale green infrastructure along a rural-urban gradient in Bengaluru, India
(2023-06-25)
Ecosystem services provided by green infrastructure are often discussed for their potential to address the societal challenges of urbanization. However, green infrastructure, particularly small-scale types (e.g. trees), is vulnerable to loss through urbanization and is often passed over during scientific investigations. Studies on the perceptions of ecosystem services and disservices (hereafter called ecosystem (dis)services) dynamics along the ruralurban gradient are particularly rare in the literature. Therefore, ...
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Philip Charles Brookes, 23 March 1951 to 28 September 2023
(2023-12-14)
Obituary to Philip Charles Brookes (1951-2023).
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Lipidome remodeling in response to nutrient replenishment requires the tRNA modifier Deg1/Pus3 in yeast
(2023-10-21)
In the yeast Saccharomyces cerevisiae, the absence of the pseudouridine synthase Pus3/Deg1, which modifies tRNA positions 38 and 39, results in increased lipid droplet (LD) content and translational defects. In addition, starvation-like transcriptome alterations and induced protein aggregation were observed. In this study, we show that the deg1 mutant increases specific misreading errors. This could lead to altered expression of the main regulators of neutral lipid synthesis which are the acetyl-CoA carboxylase (Acc1), ...
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Exploring eco-industrial development in the global south: recognizing informal waste-picking as urban-industrial symbiosis?
(2023-05-23)
Industrial ecology (IE) is discussed as a suitable approach to resolve three widespread socio-ecological problems in the so-called global south: waste accumulation, unemployment, and lack of adequate housing. As the IE framework was developed mainly in the global north, its applicability in the global south is uncertain. The issue is discussed along the use of municipal waste as building materials as a concrete application of circular economy (CE) and IE principles, which could contribute to the alleviation of the ...
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Optimization of the bicinchoninic acid assay for quantifying carbohydrates of soil extracellular polymeric substances
(2023-12-23)
Background and aims
The bicinchoninic acid (BCA) method was not yet applied on soil extracts of extracellular polymeric substances (EPS) to quantify polysaccharides, although this might be possible by introducing a cleavage step to produce monosaccharides. A pre-extraction with CaCl₂ to remove interfering substances is usually performed before extracting EPS. The main objective of this study was to optimize the BCA assay for total carbohydrates quantification by applying a hydrolysis step to the EPS extracts, while ...
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The Internal Structure of the Velvet Worm Projectile Slime: A Small-Angle Scattering Study
(2023-02-24)
For prey capture and defense, velvet worms eject an adhesive slime which has been established as a model system for recyclable complex liquids. Triggered by mechanical agitation, the liquid bio-adhesive rapidly transitions into solid fibers. In order to understand this mechanoresponsive behavior, here, the nanostructural organization of slime components are studied using small-angle scattering with neutrons and X-rays. The scattering intensities are successfully described with a three-component model accounting for ...
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Human‑elephant conflict in the Sri Lankan dry zone: investigating social and geographical drivers through field‑based methods
(2023-07-02)
Human-elephant conflict (HEC) in Sri Lanka has escalated over the recent years, with, on average, 300 elephant deaths annually and human casualties of around 90 per year. Employing field-based qualitative methods, this contribution identifies causes and contexts of human-elephant conflict in those parts of the Sri Lankan dry zone most severely affected. We have used field observations as well as semi-structured interviews with experts and affected villagers as primary data collection techniques. The findings show ...
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Relevance of organic vs. inorganic nitrogen in intra- and interspecific competition of seven central European tree species
(2023-06-23)
Key message: When competing for nitrogen with other tree species, organic N is more important than inorganic N for most species. //
Abstract: Competition for nitrogen (N) in the rhizosphere is a key process regulating a seedling´s chances for growth and survival. However, only few studies have investigated this at the individual species´ level when using a community approach. In this study, ¹⁵N incubation experiments were conducted to quantify inorganic (i.e. ammonium and nitrate) and organic (i.e. glutamine-N and ...
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Prioritizing strategies for wheat biofortification: Inspiration from underutilized species
(2023-10-05)
The relationship between malnutrition and climate change is still poorly understood but a comprehensive knowledge of their interactions is needed to address the global public health agenda. Limited studies have been conducted to propose robust and economic-friendly strategies to augment the food basket with underutilized species and biofortify the staples for nutritional security. Sea-buckthorn is a known “superfood” rich in vitamin C and iron content. It is found naturally in northern hemispherical temperate Eurasia ...
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Biodistricts as a tool to revitalize rural territories and communities: insights from the biodistrict Cilento
(2023-11-03)
The necessity and urgency of the food systems transformation is no longer questionable, and the transformation pathways are inevitably reappearing as a subject of academic and public debate. In search of sustainable food production strategies as part of a broader transformation, organic food systems are called for as one of the solutions to achieve environmentally friendly and just food systems. In this context, the role of biodistricts has been recently emphasized at the EU level. The authors of the manuscript argue ...