keyword
https://read.qxmd.com/read/38519396/carpogenic-germination-of-sclerotinia-sclerotiorum-sclerotia-in-brassica-oleracea-var-gemmifera-vn-brussels-sprouts-in-north-patagonia-argentina
#21
JOURNAL ARTICLE
A G Scarso, M C Sosa, M J Ousset, M C Lutz
In August 2018, symptoms of apical and basal rot resembling those caused by Sclerotinia sclerotiorum infection were observed in a commercial Brussels sprouts field in North Patagonia, Argentina. The incidence of apical and basal rot was 23.30% and 2.30%, respectively. Carpogenic germination of sclerotia was detected in shaded, highly humid soil areas. To our knowledge, this is the first report of carpogenic germination of sclerotia from S. sclerotiorum in North Patagonia.
March 21, 2024: Revista Argentina de Microbiología
https://read.qxmd.com/read/38518453/enhancing-boreal-forest-resilience-a-four-year-impact-of-biochar-on-soil-quality-and-fungal-communities
#22
JOURNAL ARTICLE
Yang-Chun-Zi Liao, Hong-Xiu Pu, Zi-Wen Jiao, Marjo Palviainen, Xuan Zhou, Jussi Heinonsalo, Frank Berninger, Jukka Pumpanen, Kajar Köster, Hui Sun
Boreal forests commonly suffer from nutrient deficiency due to restricted biological activity and decomposition. Biochar has been used as a promising strategy to improve soil quality, yet its impacts on forest soil microbes, particularly in cold environment, remains poorly understood. In this study, we investigated the effects of biochar, produced at different pyrolysis temperatures (500 °C and 650 °C) and applied at different amounts (0.5 kg·m-2 and 1.0 kg·m-2 ), on soil property, soil enzyme activity, and fungal community dynamics in a boreal forest over a span of two to four years...
March 19, 2024: Microbiological Research
https://read.qxmd.com/read/38517574/targeting-methanotrophs-and-isolation-of-a-novel-psychrophilic-methylobacter-species-from-a-terrestrial-arctic-alkaline-methane-seep-in-lagoon-pingo-central-spitsbergen-78%C3%A2-%C3%A2-n
#23
JOURNAL ARTICLE
Shalaka K Patil, Tajul Islam, Alexander Tveit, Andrew Hodson, Lise Øvreås
The microbial diversity associated with terrestrial groundwater seepage through permafrost soils is tightly coupled to the geochemistry of these fluids. Terrestrial alkaline methane seeps from Lagoon Pingo, Central Spitsbergen (78°N) in Norway, with methane-saturated and oxygen-limited groundwater discharge providing a potential habitat for methanotrophy. Here, we report on the microbial community's comparative analyses and distribution patterns at two sites close to Lagoon Pingo's methane emission source...
March 22, 2024: Antonie Van Leeuwenhoek
https://read.qxmd.com/read/38517186/draft-genome-sequence-of-arthrobacter-sp-strain-b10-11-isolated-from-the-tomato-rhizosphere
#24
JOURNAL ARTICLE
Ruben Chaboy-Cansado, Paula Cobeta, Gabriel Roscales, Daniel Aguirre de Cárcer, Alberto Rastrojo
In the present work, we present the draft genome sequence of a new putative <u>Arthrobacter</u> species associated with the tomato rhizosphere.
March 22, 2024: Microbiology Resource Announcements
https://read.qxmd.com/read/38517167/tartrate-fermentation-with-h-2-production-by-a-new-member-of-sporomusaceae-enriched-from-rice-paddy-soil
#25
JOURNAL ARTICLE
Luciana Pereira-Mora, Leandro D Guerrero, Leonardo Erijman, Ana Fernández-Scavino
In rice paddies, soil and plant-derived organic matter are degraded anaerobically to methane (CH4 ), a powerful greenhouse gas. The highest rate of methane emission occurs during the reproductive stage of the plant when mostly dicarboxylic acids are exudated by the roots. The emission of methane at this stage depends largely on the cooperative interaction between dicarboxylic acid-fermenting bacteria and methanogenic archaea in the rhizosphere. The fermentation of tartrate, one of the major acids exudated, has been scarcely explored in rice paddy soils...
March 22, 2024: Applied and Environmental Microbiology
https://read.qxmd.com/read/38516660/microbiological-impact-of-long-term-wine-grape-cultivation-on-soil-organic-carbon-in-desert-ecosystems-a-study-on-rhizosphere-and-bulk-sandy-soils
#26
JOURNAL ARTICLE
Zhiheng Wang, Wenchao Li, Yuejuan Wang, Xuefei Wang, Tingting Ma, Yanlin Liu, Yuqing Wei
The improvement of nutrients in soil is essential for using deserts and decertified ecosystems and promoting sustainable agriculture. Grapevines are suitable crops for desert soils as they can adapt to harsh environments and effectively impact soil nutrients; however, the mechanisms underlying this remain unclear. This study explored the impact of the different duration(3, 6, and 10 years) of grape cultivation on soil organic carbon, physicochemical properties, enzyme activities, microbial communities, and carbon cycle pathways in both rhizosphere and bulk soils...
2024: Frontiers in Plant Science
https://read.qxmd.com/read/38516016/insights-into-the-diversity-and-survival-strategies-of-soil-bacterial-isolates-from-the-atacama-desert
#27
JOURNAL ARTICLE
Alicyn Reverdy, Daniel Hathaway, Jessica Jha, Gabriel Michaels, Jeffrey Sullivan, Daniela Diaz McAdoo, Carlos Riquelme, Yunrong Chai, Veronica Godoy-Carter
The Atacama Desert, the driest, with the highest radiation, and one of the most ancient deserts in the world, is a hostile environment for life. We have a collection of 74 unique bacterial isolates after cultivation and confirmation by 16S rRNA gene sequencing. Pigmentation, biofilm formation, antimicrobial production against Escherichia coli MG1655 and Staphylococcus aureus HG003, and antibiotic resistance were assessed on these isolates. We found that approximately a third of the colonies produced pigments, 80% of isolates formed biofilms, many isolates produce growth inhibiting activities against E...
2024: Frontiers in Microbiology
https://read.qxmd.com/read/38516010/identification-and-genomic-characterization-of-pseudomonas-spp-displaying-biocontrol-activity-against-sclerotinia-sclerotiorum-in-lettuce
#28
JOURNAL ARTICLE
Daphné Albert, Antoine Zboralski, Marie Ciotola, Mélanie Cadieux, Adrien Biessy, Jochen Blom, Carole Beaulieu, Martin Filion
Lettuce is an economically major leafy vegetable that is affected by numerous diseases. One of the most devastating diseases of lettuce is white mold caused by Sclerotinia sclerotiorum . Control methods for this fungus are limited due to the development of genetic resistance to commonly used fungicides, the large number of hosts and the long-term survival of sclerotia in soil. To elaborate a new and more sustainable approach to contain this pathogen, 1,210 Pseudomonas strains previously isolated from agricultural soils in Canada were screened for their antagonistic activity against S...
2024: Frontiers in Microbiology
https://read.qxmd.com/read/38514578/adsorption-of-azo-dye-by-biomass-and-immobilized-yarrowia-lipolytica-equilibrium-kinetic-and-thermodynamic-studies
#29
JOURNAL ARTICLE
Amal Hajo Hassan Ibrahim, Nilüfer Cihangir, Neslihan Idil, Y Doruk Aracagök
One of the major environmental problems we have today is dye pollution, primarily caused by the textile industry. This pollution has detrimental effects on aquatic life, soil fertility, and human health. Many microbial biosorbents have been documented in the literature for the removal of a wide range of azo dyes commonly employed in the textile industry. However, Yarrowia lipolytica NBRC1658 is firstly used as both free and immobilized sorbents for the removal of Reactive yellow 18 (RY18), acid red 18 (AR18) and basic blue 41 (BB41) in this study...
March 22, 2024: World Journal of Microbiology & Biotechnology
https://read.qxmd.com/read/38513580/primary-study-on-frass-fertilizers-from-mass-reared-insects-species-variation-heat-treatment-effects-and-implications-for-soil-application-at-laboratory-scale
#30
JOURNAL ARTICLE
Nadine Praeg, Thomas Klammsteiner
Insect farming has gained popularity as a resource-efficient and eco-friendly method for managing organic wastes by converting them into high-quality protein, fat, and frass. Insect frass is a powerful organic fertilizer that enriches the soil with essential plant nutrients and enhances plant defense mechanisms through chitin stimulation. Given the importance of frass commercialization for many insect farmers and the use of increasingly diverse organic wastes as insect feedstocks, there is a need for legal guidelines to enable clean production practices...
March 20, 2024: Journal of Environmental Management
https://read.qxmd.com/read/38512483/facilitating-effects-of-reductive-soil-disinfestation-on-soil-health-and-physiological-properties-of-panax-ginseng
#31
JOURNAL ARTICLE
Yu Zhan, Ergang Wang, Yi Zhou, Guixiang He, Pengyuan Lv, Lixiang Wang, Tingting Zhou, Xinyue Miao, Changbao Chen, Qiong Li
Chemical soil fumigation (CSF) and reductive soil disinfestation (RSD) have been proven to be effective agricultural strategies to improve soil quality, restructure microbial communities, and promote plant growth in soil degradation remediation. However, it is still unclear how RSD and CSF ensure soil and plant health by altering fungal communities. Field experiments were conducted to investigate the effects of CSF with chloropicrin, and RSD with animal feces on soil properties, fungal communities and functional composition, and plant physiological characteristics were evaluated...
March 21, 2024: Microbial Ecology
https://read.qxmd.com/read/38511953/decoupling-between-the-genetic-potential-and-the-metabolic-regulation-and-expression-in-microbial-organic-matter-cleavage-across-microbiomes
#32
JOURNAL ARTICLE
Zihao Zhao, Federico Baltar, Gerhard J Herndl
UNLABELLED: Metagenomics, metatranscriptomics, and metaproteomics are used to explore the microbial capability of enzyme secretion, but the links between protein-encoding genes and corresponding transcripts/proteins across ecosystems are underexplored. By conducting a multi-omics comparison focusing on key enzymes (carbohydrate-active enzymes [CAZymes] and peptidases) cleaving the main biomolecules across distinct microbiomes living in the ocean, soil, and human gut, we show that the community structure, functional diversity, and secretion mechanisms of microbial secretory CAZymes and peptidases vary drastically between microbiomes at metagenomic, metatranscriptomic, and metaproteomic levels...
March 21, 2024: Microbiology Spectrum
https://read.qxmd.com/read/38511949/inoculation-with-stutzerimonas-stutzeri-strains-decreases-n%C3%A2-o-emissions-from-vegetable-soil-by-altering-microbial-community-composition-and-diversity
#33
JOURNAL ARTICLE
Nan Gao, Huanhuan Zhang, Chun Hu, Qing Li, Linmei Li, Peng Lei, Hong Xu, Weishou Shen
UNLABELLED: Inoculation with plant growth-promoting rhizobacteria (PGPR) strains has promoted plant growth and decreased nitrous oxide (N₂O) emissions from agricultural soils simultaneously. However, limited PGPR strains can mitigate N₂O emissions from agricultural soils, and the microbial ecological mechanisms underlying N₂O mitigation after inoculation are poorly understood. In greenhouse pot experiments, the effects of inoculation with Stutzerimonas stutzeri NRCB010 and NRCB025 on tomato growth and N₂O emissions were investigated in two vegetable agricultural soils with contrasting textures...
March 21, 2024: Microbiology Spectrum
https://read.qxmd.com/read/38511437/-effects-of-revegetation-on-soil-nitrogen-fixation-and-carbon-fixation-microbial-communities-in-the-horqin-sandy-land-china
#34
JOURNAL ARTICLE
Zi-Qing Wang, Ying Zhang, Yang Wang, Ya'nan Cui, Cheng-You Cao
To determine the diversity of nitrogen-fixing and carbon-fixing microbial groups in aeolian sandy soil and the effects of sand-fixation plantation type on the structures of two microbial groups in the Horqin Sandy Land, we selected six representative sand-fixation vegetations with the same age, including Caragana microphylla , Artemisia halodendron , Salix gordejevii , Hedysarum fruticosum , Populus simonii , and Pinus sylvestris var. mongolica as well as their adjacent natural Ulmus pumila open forest as test objects to investigate the diversities and structures of nifH - and cbbL -carrying microbial communities in soil by high-throughput sequencing technique...
January 2024: Ying Yong Sheng Tai Xue Bao, the Journal of Applied Ecology
https://read.qxmd.com/read/38511012/nanoparticle-applications-in-agriculture-overview-and-response-of-plant-associated-microorganisms
#35
REVIEW
Katiso Mgadi, Busiswa Ndaba, Ashira Roopnarain, Haripriya Rama, Rasheed Adeleke
Globally, food security has become a critical concern due to the rise in human population and the current climate change crisis. Usage of conventional agrochemicals to maximize crop yields has resulted in the degradation of fertile soil, environmental pollution as well as human and agroecosystem health risks. Nanotechnology in agriculture is a fast-emerging and new area of research explored to improve crop productivity and nutrient-use efficiency using nano-sized agrochemicals at lower doses than conventional agrochemicals...
2024: Frontiers in Microbiology
https://read.qxmd.com/read/38511009/integrated-management-of-fruit-trees-and-bletilla-striata-implications-for-soil-nutrient-profiles-and-microbial-community-structures
#36
JOURNAL ARTICLE
Qiufeng Xie, Huimei Xu, Rouyuan Wen, Le Wang, Yan Yang, Haizhu Zhang, BaoShun Su
INTRODUCTION: Forest medicinal compound systems in agroforestry ecosystems represent a multi-layered cultivation approach that utilizes forest resources efficiently. However, research on how these systems affect soil nutrients and microbial communities is limited. METHODS: This study compared the soil chemical properties and microbial communities of Bletilla striata (C) grown alone versus in agroforestry systems with apple (PB), pear (LB), and peach trees (TB), aiming to understand the impact of these systems on soil health and microbial diversity...
2024: Frontiers in Microbiology
https://read.qxmd.com/read/38511000/analysis-on-metabolic-functions-of-rhizosphere-microbial-communities-of-pinus-massoniana-provenances-with-different-carbon-storage-by-biolog-eco-microplates
#37
JOURNAL ARTICLE
Zichen Huang, Yiyun Qin, Xin He, Mengyang Zhang, Xingyue Ren, Wenya Yu, Kongshu Ji
INTRODUCTION: Rhizosphere microorganisms are influenced by vegetation. Meanwhile, they respond to vegetation through their own changes, developing an interactive feedback system between microorganisms and vegetation. However, it is still unclear whether the functional diversity of rhizosphere soil microorganisms varies with different carbon storage levels and what factors affect the functional diversity of rhizosphere soil microorganisms. METHODS: In this study, the Biolog-Eco microplate technique was used to analyze the metabolic diversity of carbon source of rhizosphere soil microorganisms from 6 Pinus massoniana provenances with three levels of high, medium and low carbon storage...
2024: Frontiers in Microbiology
https://read.qxmd.com/read/38509748/how-good-are-global-dna-based-environmental-surveys-for-detecting-all-protist-diversity-arcellinida-as-an-example-of-biased-representation
#38
JOURNAL ARTICLE
Fernando Useros, Iván García-Cunchillos, Nicolas Henry, Cédric Berney, Enrique Lara
Metabarcoding approaches targeting microeukaryotes have deeply changed our vision of protist environmental diversity. The public repository EukBank consists of 18S v4 metabarcodes from 12,672 samples worldwide. To estimate how far this database provides a reasonable overview of all eukaryotic diversity, we used Arcellinida (lobose testate amoebae) as a case study. We hypothesised that (1) this approach would allow the discovery of unexpected diversity, but also that (2) some groups would be underrepresented because of primer/sequencing biases...
March 2024: Environmental Microbiology
https://read.qxmd.com/read/38507780/co-inoculation-with-novel-nodule-inhabiting-bacteria-reduces-the-benefits-of-legume-rhizobium-symbiosis
#39
JOURNAL ARTICLE
James C Kosmopoulos, Rebecca Doyle, Katy D Heath
The ecologically and economically vital symbiosis between nitrogen-fixing rhizobia and leguminous plants is often thought of as a bi-partite interaction, yet studies increasingly show the prevalence of non-rhizobial endophytes (NREs) that occupy nodules alongside rhizobia. Yet, what impact these NREs have on plant or rhizobium fitness remains unclear. Here, we investigated four NRE strains found to naturally co-occupy nodules of the legume Medicago truncatula alongside Sinorhizobium meliloti in native soils...
March 20, 2024: Canadian Journal of Microbiology
https://read.qxmd.com/read/38506962/rare-earth-contamination-of-edible-vegetation-ce-la-and-summed-ree-in-fungi
#40
REVIEW
Jerzy Falandysz, Anna Kilanowicz, Alwyn R Fernandes, Ji Zhang
The increasing and diversified use of rare earth elements (REE) is considered a potential source of pollution of environmental media including soils. This work documents critically overview data on the occurrence of REE in the fruiting bodies of wild and farmed species of edible and medicinal mushrooms, as this was identified as the largest published dataset of REE occurrence in foodstuff. Most of the literature reported occurrences of cerium (Ce) and lanthanum (La), but a number of studies lacked data on all lanthanides...
March 20, 2024: Applied Microbiology and Biotechnology
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