Academic literature on the topic 'Extracellular enzymes; Actinobacteria; Ecological services'

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Journal articles on the topic "Extracellular enzymes; Actinobacteria; Ecological services"

1

Leonardo, Lima Bandeira, de Castro Viana Larissa, de Figueiredo Nogueira Mesquita Ariel, Moreira de Matos Neto João, Miranda Martins Claudia, and Claudia Silveira Martins Suzana. "Production of Extracellular Pectinase from Cultivable Soil Bacteria Strains." World Wide Journal of Multidisciplinary Research and Development 8, no. 11 (2022): 128–32. https://doi.org/10.5281/zenodo.7406354.

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Among the abundant and highly interactive microbial groups present in soil, actinobacteria stand out. An extracellular enzyme type produced by this phylum of bacteria is pectinases, which are enzymes capable of degrading pectin complex biomolecules. The present study aimed to evaluate the pectinolytic activity of actinobacteria. Forty-five strains of actinobacteria were selected according to their morphological characteristics, area where they were isolated and diversity of genera. The pectinolytic enzymatic index (EI) for each strain was determined by the ratio between the hydrolysis halo dia
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2

Rizzo, Carmen, Antonella Conte, Maurizio Azzaro, et al. "Cultivable Bacterial Communities in Brines from Perennially Ice-Covered and Pristine Antarctic Lakes: Ecological and Biotechnological Implications." Microorganisms 8, no. 6 (2020): 819. http://dx.doi.org/10.3390/microorganisms8060819.

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The diversity and biotechnological potentialities of bacterial isolates from brines of three Antarctic lakes of the Northern Victoria Land (namely Boulder Clay and Tarn Flat areas) were first explored. Cultivable bacterial communities were analysed mainly in terms of bacterial response to contaminants (i.e., antibiotics and heavy metals) and oxidation of contaminants (i.e., aliphatic and aromatic hydrocarbons and polychlorobiphenyls). Moreover, the biosynthesis of biomolecules (antibiotics, extracellular polymeric substances and enzymes) with applications for human health and environmental pro
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3

Nikitina, E. P., L. B. Buyantueva, E. Yu Abidueva, and C. H. Sun. "Taxonomic and ecophysiological characteristics of actinobacteria in soils of the dry steppe zone of the Selenga Highlands (Western Transbaikalia)." Vavilov Journal of Genetics and Breeding 27, no. 4 (2023): 411–20. http://dx.doi.org/10.18699/vjgb-23-49.

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Arid habitats have recently attracted increasing attention in terms of biodiversity research and the disco very of new bacterial species. These habitats are among the target ecosystems suitable for isolating new strains of actinobacteria that are likely to produce new metabolites. This paper presents the results on the isolation of actinobacteria from soils of the dry steppe zone of the Selenga Highlands, the characterization of their taxonomic diversity, as well as ecological and trophic properties. The bacterial counts on ISP 4 medium ranged from 6.6 × 105 to 7.1 × 106 CFU/g. The highest bac
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Małecka-Adamowicz, Marta, and Łukasz Kubera. "Patterns of Structural and Functional Bacterioplankton Metacommunity along a River under Anthropogenic Pressure." Sustainability 13, no. 20 (2021): 11518. http://dx.doi.org/10.3390/su132011518.

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Bacteria, an integral part of aquatic ecosystems, are responsible for the circulation of matter and flow of energy. Since bacterioplankton rapidly responds to any natural and human-induced disturbances in the environment, it can serve as a bioindicator of these changes. Knowing factors that shape the microbial community structure may help the sustainable management of the water environment. However, the identification of environmental signals affecting the structure and function of bacterioplankton is still a challenge. The study analyses the impact of environmental variables on basic microbia
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Yang, Qingsong, Jue Peng, Shimin Ni, Chenyang Zhang, Junguang Wang, and Chongfa Cai. "Soil erosion‐induced decline in aggregate stability and soil organic carbon reduces aggregate‐associated microbial diversity and multifunctionality of agricultural slope in the Mollisol region." Land Degradation & Development, May 16, 2024. http://dx.doi.org/10.1002/ldr.5163.

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AbstractSoil erosion has become a serious ecological problem hindering the agricultural and economic development in Northeast China. Soil aggregates are basic units that regulate soil fertility and microbial activity. However, there have been few reports on the role of soil erosion in regulating the microbial diversity, multiple ecosystem services, and functions (multifunctionality) of soil aggregates. In this study, we investigated the effects of soil erosion on microbial diversity and the activities of various extracellular enzymes associated with soil aggregates by using Mollisol soil in No
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