Alessia Bani

Alessia Bani
University of Essex · School of Biological Sciences

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22
Publications
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Introduction
Skills and Expertise

Publications

Publications (22)
Article
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Many rural smallholder farmers in Kenya use water-harvesting ponds, to collect rainwater, as sustainable sources of water for domestic and agricultural purposes. There is currently limited information regarding the microbial ecology in these ponds. Here, we used High Throughput Sequencing (HTS) to characterize the microorganisms present (including...
Article
Full-text available
This paper demonstrated the growth ability of twelve algae-microbial consortia (AC) isolated from organic wastes when a pig slurry-derived wastewater (NFP) was used as growth substrate in autotrophic cultivation. Nutrient recovery, biochemical composition, fatty acid and amino acid profiles of algae consortia were evaluated and compared. Three alga...
Article
Full-text available
Scientists and practitioners working on river restoration have made progress on understanding the recovery potential of rivers from geomorphological and engineering perspectives. We now need to build on this work to gain a better understanding of the biological processes involved in river restoration. Environmental policy agendas are focusing on na...
Article
Pure microalgae cultivation in organic wastes may be hampered by their low adaptation to extreme growth conditions and by the risk of microbial contamination. This work aimed to isolate self-adapted microalgae-microbial consortia able to survive in organic wastes characterized by extreme conditions, to be then proposed for technological application...
Article
Full-text available
The amount of nitrogen (N) deposition onto forests has globally increased and is expected to double by 2050, mostly because of fertilizer production and fossil fuel burning. Several studies have already investigated the effects of N depositions in forest soils, highlighting negative consequences on plant biodiversity and the associated biota. Never...
Article
Cultivation of specific microalgae is still difficult in an industrial setup as contamination and balancing the economic cost are not always possible. Understanding the ecology of cultivation of microalgae is therefore necessary to implement stable production. The aim of the study was to understand how different types of photobioreactors and types...
Article
Full-text available
This study aimed at examining and comparing the nutrient removal efficiency, biomass productivity and microbial community structure of two outdoor pilot-scale photobioreactors, namely a bubble column and a raceway pond, treating the liquid fraction of an agricultural digestate. Bacterial and eukaryotic communities were characterized using a metabar...
Article
Supraglacial debris of Miage Glacier (Mont Blanc, Italy) was used as an in situ model for monitoring growth and modification of the taxonomic structure of fungal populations using an in-growth mesh bag approach over three consecutive years. Sterilized debris was placed in mesh bags (MB) and buried in the debris layer. Pristine debris (D) covering t...
Chapter
Marine management areas provide a key tool for efforts towards sustainable development, reconciling socio-economic goals with those for biodiversity conservation. Decisions about where and when to establish spatial management areas in the oceans are currently hampered by the uncertainties of incomplete, or overly general, information about biodiver...
Article
Full-text available
Microbes drive leaf litter decomposition, and their communities are adapted to the local vegetation providing that litter. However, whether these local microbial communities confer a significant home-field advantage in litter decomposition remains unclear, with contrasting results being published. Here, we focus on a litter transplantation experime...
Article
Full-text available
Background Microalgae‐bacteria based processes are among the most promising low‐cost technologies to treat livestock wastewaters. The current literature reports the need for pretreatment or dilution of piggery wastewater for adequate microalgal growth. The aim of the study is to optimize the potential of microalgal‐bacterial communities to treat un...
Article
Full-text available
Litter decomposition is the main source of mineral nitrogen (N) in terrestrial ecosystem and a key step in carbon (C) cycle. Microbial community is the main decomposer, and its specialization on specific litter is considered at the basis of higher decomposition rate in its natural environment than in other forests. However, there are contrasting ev...
Article
Full-text available
We studied the relationship between plant functional foliar traits and the endophytic bacterial communities associated in trees, taking the example of sessile oak ( Quercus petraea (Matt.) Liebl). Forty-five samples with replicates of eight leaves per sample were collected in spring, summer and autumn. Bacterial community diversity was analyzed via...
Article
Leaf litter and deadwood have important roles in the forest ecosystems, providing shelter for several organisms, preventing erosion and microclimate fluctuations. Their decomposition is a key process of biogeochemical cycles in forest. Microorganisms are the primary agents of decomposition. Particularly, fungi are considered the major contributors...
Article
Wood-inhabiting fungi are major decomposers of organic matter in forest systems, playing a crucial role for the maintenance of critical ecosystem processes. Despite their importance, very few studies have investigated wood-inhabiting fungi with biomolecular techniques, especially in Southern Europe. We studied deadwood quality along with stand stru...
Article
Full-text available
Purpose Spatial distribution on a regional scale of the rhizobacterial communities of Phragmites australis stands was investigated along the Yellow River watershed, China. Materials and methods Samples were collected along a secondary and the main drainage canals. Amplified ribosomal intergenic spacer analysis (ARISA) and pyrosequencing were perfor...
Article
Full-text available
Reconstruction of the regulatory network is an important step in understanding how organisms control the expression of gene products and therefore phenotypes. Recent studies have pointed out the importance of regulatory network plasticity in bacterial adaptation and evolution. The evolution of such networks within and outside the species boundary i...
Article
Full-text available
Here we report a benchmark of the effect of bootstrap cut-off values of the RDP Classifier tool in terms of data retention along the different taxonomic ranks by using Illumina reads. Results provide guidelines for planning sequencing depths and selection of bootstrap cut-off in taxonomic assignments.
Article
Full-text available
We performed a longitudinal study (repeated observations of the same sample over time) to investigate both the composition and structure of temporal changes of bacterial community composition in soil mesocosms, subjected to three different treatments (water and 5 or 25 mg kg(-1) of dried soil Cd(2+)). By analogy with the pan genome concept, we iden...

Projects

Projects (2)
Project
Plant leaves degradation by microorganisms is one of the most important process for forest soil formation. Up to now, very few studies have tackled this process. Moreover, very few studies consider the diversity of microbial communities in the process. We propose a multidisciplinary project to link bacterial/fungal development dynamics, microscope observation of leaf degradation and chemical/morphological characteristics of leaf litter. 216 litter bags with oak, beech and rhododendron leaves respectively will be placed in an oak forest (Monticolo, 500 m a.s.l.), a beech forest (San Genesio Atesino, 1000 m a.s.l.), and rhododendron bush (Renon, 1500 m a.s.l.). Degradation will be observed during over 500 days, sampling litter bags every 2 months ca. We will perform chemical analysis of lignin, cellulose, hemicellulose by Thermogravimetric Analysis (TGA), C, N and P content. Analysis of key enzyme activity. Fungal and bacterial community analysis will be carried out by Illumina Miseq sequencing and Real Time PCR of ribosomal genes and of chatecol dioxygenase genes. Then we will observe leaf microbial colonization by fluorescent and FISH microscopy. We also take into account foliar traits possibly related to degradation dynamics such as stomata density in order to judge the relevance of foliar trait-microbiome relationships. Project aims: - Determination of the fungal and bacterial taxa involved in the biodegradation of oak, beech and rhododendron leaves in forest systems. - Quantification of the main degraders populations. - Assessment of the dynamics of the overall degradation by comparing genomic, physiologic and chemical data. - Correlation of the dynamics with the environmental parameters collected by already existing meteorological stations. - Determination of the leaves biomass and chemical degradation. - Correlation of the foliar degradation and the microbial dynamics. Expected outcomes: - Definition of the degradation dynamics of plant leaves in natural environment under monitored conditions. - Assessment of the “core microbiome” associated to the degradation activity. - Better comprehension of the effect of warmer/colder environments on leaves degradation, providing new data on the definition of climate changes consequences. - Assessment of the role of leaves degradation in the enrichment of organic carbon in high mountain mineral soils.