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Journal Microb Biotechnol

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Harnessing microbial volatiles to replace pesticides and fertilizers.

Gareth Thomas, David Withall, Michael Birkett,

Global agricultural systems are under increasing pressure to deliver sufficient, healthy food for a growing population. Seasonal inputs, including synthetic pesticides and fertilizers, are applied to crops to reduce losses by pathogens, and enhance crop biomass, although their production and application can also incur several economic and environmental penalties. New ... Read more >>

Microb Biotechnol (Microbial biotechnology)
[2020, :]

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First description of betalains biosynthesis in an aquatic organism: characterization of 4,5-DOPA-extradiol-dioxygenase activity in the cyanobacteria Anabaena cylindrica.

María Alejandra Guerrero-Rubio, Francisco García-Carmona, Fernando Gandía-Herrero,

The biosynthesis of betalamic acid, the structural unit of pigments betalains, is performed by enzymes with 4,5-DOPA-extradiol-dioxygenase activity. These enzymes were believed to be limited to plants of the order Caryophyllales and to some fungi. However, the discovery of Gluconacetobacter diazotrophicus as the first betalain-forming bacterium opened a new field ... Read more >>

Microb Biotechnol (Microbial biotechnology)
[2020, :]

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Nitrite production by ammonia-oxidizing bacteria mediates chloramine decay and resistance in a mixed-species community.

Pejhman Keshvardoust, Vanessa A A Huron, Matthew Clemson, Nicolas Barraud, Scott A Rice,

As water distribution centres increasingly switch to using chloramine to disinfect drinking water, it is of paramount importance to determine the interactions of chloramine with potential biological contaminants, such as bacterial biofilms, that are found in these systems. For example, ammonia-oxidizing bacteria (AOB) are known to accelerate the decay of ... Read more >>

Microb Biotechnol (Microbial biotechnology)
[2020, :]

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Synthetic community with six Pseudomonas strains screened from garlic rhizosphere microbiome promotes plant growth.

Lubo Zhuang, Yan Li, Zhenshuo Wang, Yue Yu, Nan Zhang, Chang Yang, Qingchao Zeng, Qi Wang,

The rhizosphere microbiome plays an important role in the growth and health of many plants, particularly for plant growth-promoting rhizobacteria (PGPR). Although the use of PGPR could improve plant production, real-world applications are still held back by low-efficiency methods of finding and using PGPR. In this study, the structure of ... Read more >>

Microb Biotechnol (Microbial biotechnology)
[2020, :]

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Field detection of urease and carbonic anhydrase activity using rapid and economical tests to assess microbially induced carbonate precipitation.

Fernando Medina Ferrer, Kathryn Hobart, Jake V Bailey,

Microbial precipitation of calcium carbonate is a widespread environmental phenomenon that has diverse engineering applications, from building and soil restoration to carbon sequestration. Urease-mediated ureolysis and CO2 (de)hydration by carbonic anhydrase (CA) are known for their potential to precipitate carbonate minerals, yet many environmental microbial community studies rely on marker ... Read more >>

Microb Biotechnol (Microbial biotechnology)
[2020, :]

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Correlation of extracellular polymeric substances and microbial community structure in denitrification biofilm exposed to adverse conditions.

Shuo Wang, Liling Zhi, Wei Shan, Hui Lu, Qiao Xu, Ji Li,

Microbial community may respond to different adverse conditions and result in the variation of extracellular polymeric substances (EPS) in denitrification biofilm; this study discovered the role of EPS in accordance with the analysis of cyclic diguanylate (c-di-GMP) and electron equilibrium (EE) under low organic loading rate, shock organic loading rate ... Read more >>

Microb Biotechnol (Microbial biotechnology)
[2020, :]

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Elevated intracellular cyclic-di-GMP level in Shewanella oneidensis increases expression of c-type cytochromes.

Chun Kiat Ng, Jiabao Xu, Zhao Cai, Liang Yang, Ian P Thompson, Wei E Huang, Bin Cao,

Electrochemically active biofilms are capable of exchanging electrons with solid electron acceptors and have many energy and environmental applications such as bioelectricity generation and environmental remediation. The performance of electrochemically active biofilms is usually dependent on c-type cytochromes, while biofilm development is controlled by a signal cascade mediated by the ... Read more >>

Microb Biotechnol (Microbial biotechnology)
[2020, :]

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Caring soils for sustainable land uses.

Juan-Luis Ramos, Rocio Lansac,

The aim of the article is to develop and explore the idea that soil health is an essential element in combating climate change and promoting food security. An important aspect of this is that soil, rather than simply serving to support plants and as a niche for animals and microbes, ... Read more >>

Microb Biotechnol (Microbial biotechnology)
[2020, :]

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Holistic assessment of the microbiome dynamics in the substrates used for commercial champignon (Agaricus bisporus) cultivation.

Jaime Carrasco, Carlos García-Delgado, Rebeca Lavega, María L Tello, María De Toro, Víctor Barba-Vicente, María S Rodríguez-Cruz, María J Sánchez-Martín, Margarita Pérez, Gail M Preston,

Microorganisms strongly influence and are required to generate the selective substrate that provides nutrients and support for fungal growth, and ultimately to induce mushroom fructification under controlled environmental conditions. In this work, the fungal and bacterial microbiota living in the different substrates employed in a commercial crop (compost phase I, ... Read more >>

Microb Biotechnol (Microbial biotechnology)
[2020, :]

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Units for vigilance of emerging diseases based on wastewater treatment plants (WWTP-UVED).

Adoración Barros-Rodríguez, Maximino Manzanera,

Pandemics deeply affect the health and economy of the world population. A precise determination of affected communities is of great importance to establish containment measures and reduce the economic impact. Here, we propose the development of Units for Vigilance of Emerging Diseases based on the screening of pathogens released to ... Read more >>

Microb Biotechnol (Microbial biotechnology)
[2020, :]

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Soil microbiota influences clubroot disease by modulating Plasmodiophora brassicae and Brassica napus transcriptomes.

Stéphanie Daval, Kévin Gazengel, Arnaud Belcour, Juliette Linglin, Anne-Yvonne Guillerm-Erckelboudt, Alain Sarniguet, Maria J Manzanares-Dauleux, Lionel Lebreton, Christophe Mougel,

The contribution of surrounding plant microbiota to disease development has led to the 'pathobiome' concept, which represents the interaction between the pathogen, the host plant and the associated biotic microbial community, resulting or not in plant disease. The aim herein is to understand how the soil microbial environment may influence ... Read more >>

Microb Biotechnol (Microbial biotechnology)
[2020, :]

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Newly identified genes contribute to vanillin tolerance in Saccharomyces cerevisiae.

Zhenzhen Liang, Xinning Wang, Xiaoming Bao, Tiandi Wei, Jin Hou, Weifeng Liu, Yu Shen,

Exploring the mechanisms of tolerance in microorganisms to vanillin, which is derived from lignin, will benefit the design of robust cell factories that produce biofuels and chemicals using lignocellulosic materials. Our objective was to identify the genes related to vanillin tolerance in Saccharomyces cerevisiae. We investigated the effects on vanillin ... Read more >>

Microb Biotechnol (Microbial biotechnology)
[2020, :]

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SEVA 3.1: enabling interoperability of DNA assembly among the SEVA, BioBricks and Type IIS restriction enzyme standards.

Stamatios G Damalas, Christos Batianis, Maria Martin-Pascual, Victor de Lorenzo, Vitor A P Martins Dos Santos,

Robust synthetic biology applications rely heavily on the design and assembly of DNA parts with specific functionalities based on engineering principles. However, the assembly standards adopted by different communities vary considerably, thus limiting the interoperability of parts, vectors and methods. We hereby introduce the SEVA 3.1 platform consisting of the ... Read more >>

Microb Biotechnol (Microbial biotechnology)
[2020, :]

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Silage making of maize stover and banana pseudostem under South Ethiopian conditions: evolution of pH, dry matter and microbiological profile.

Ashenafi Azage Mitiku, Addisu Fekadu Andeta, An Borremans, Bart Lievens, Sofie Bossaert, Sam Crauwels, Ben Aernouts, Yisehak Kechero, Leen Van Campenhout,

The study was conducted to evaluate the microbial dynamics during silage of maize stover and banana pseudostem in the environmental conditions of southern Ethiopia. To meet this objective, microsilos containing either maize stover or banana pseudostem, both with and without molasses, were prepared. Subsequently, samples were analysed on day 0, ... Read more >>

Microb Biotechnol (Microbial biotechnology)
[2020, :]

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Protective effect of Lactobacillus salivarius Li01 on thioacetamide-induced acute liver injury and hyperammonaemia.

Liya Yang, Xiaoyuan Bian, Wenrui Wu, Longxian Lv, Yating Li, Jianzhong Ye, Xianwan Jiang, Qing Wang, Ding Shi, Daiqiong Fang, Jingjing Wu, Kaicen Wang, Qiangqiang Wang, Jiafeng Xia, Jiaojiao Xie, Yanmeng Lu, Lanjuan Li,

The gut microbiota plays pivotal roles in liver disease onset and progression. The protective effects of Lactobacillus salivarius Li01 on liver diseases have been reported. In this study, we aimed to detect the protective effect of L. salivarius Li01 on thioacetamide (TAA)-induced acute liver injury and hyperammonaemia. C57BL/6 mice were ... Read more >>

Microb Biotechnol (Microbial biotechnology)
[2020, :]

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Lost in translation: the quest for Nitrosomonas cluster 7-specific amoA primers and TaqMan probes.

Laura Orschler, Shelesh Agrawal, Susanne Lackner,

The choice of primer and TaqMan probes to quantify ammonia-oxidizing bacteria (AOB) in environmental samples is of crucial importance. The re-evaluation of primer pairs based on current genomic sequences used for quantification of the amoA gene revealed (1) significant misrepresentations of the AOB population in environmental samples, (2) and a ... Read more >>

Microb Biotechnol (Microbial biotechnology)
[2020, :]

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Electron availability in CO2 , CO and H2 mixtures constrains flux distribution, energy management and product formation in Clostridium ljungdahlii.

Maria Hermann, Attila Teleki, Sandra Weitz, Alexander Niess, Andreas Freund, Frank R Bengelsdorf, Ralf Takors,

Acetogens such as Clostridium ljungdahlii can play a crucial role reducing the human CO2 footprint by converting industrial emissions containing CO2 , CO and H2 into valuable products such as organic acids or alcohols. The quantitative understanding of cellular metabolism is a prerequisite to exploit the bacterial endowments and to ... Read more >>

Microb Biotechnol (Microbial biotechnology)
[2020, :]

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The urgent need for microbiology literacy in society: children as educators.

Kenneth Timmis, James Timmis, Franziska Jebok,

Microbes and their activities have pervasive influence and deterministic roles in the functioning and health of the geosphere, atmosphere and biosphere, i.e. in nature. Microbiology can be considered a language of nature. We have argued that the relevance of microbes for everyday personal decisions and collective policies requires that society ... Read more >>

Microb Biotechnol (Microbial biotechnology)
[2020, :]

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Salmonella grows massively and aerobically in chicken faecal matter.

Teresa Guerrero, Diana Calderón, Sonia Zapata, Gabriel Trueba,

The use of wastewater for irrigation and animal manure as fertilizer can cause transmission of intestinal pathogens, conditions frequently observed in low- and middle-income countries (LMICs). Here, we tested the ability of Salmonella to grow in the faecal matter. We inoculated freshly isolated Salmonella strains (from chickens) in chicken faecal ... Read more >>

Microb Biotechnol (Microbial biotechnology)
[2020, :]

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Microbial meat substitutes: An annotated selection of World Wide Web sites relevant to the topics in microbial biotechnology.

Lawrence P Wackett,

Microb Biotechnol (Microbial biotechnology)
[2020, 13(4):1284-1285]

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Rapid adaptation for fibre degradation by changes in plasmid stoichiometry within Lactobacillus plantarum at the synthetic community level.

Yonit Ben-David, Sarah Moraïs, Edward A Bayer, Itzhak Mizrahi,

The multi-enzyme cellulosome complex can mediate the valorization of lignocellulosic biomass into soluble sugars that can serve in the production of biofuels and valuable products. A potent bacterial chassis for the production of active cellulosomes displayed on the cell surface is the bacterium Lactobacillus plantarum, a lactic acid bacterium used ... Read more >>

Microb Biotechnol (Microbial biotechnology)
[2020, :]

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Gut microbiota composition before infection determines the Salmonella super- and low-shedder phenotypes in chicken.

Florent Kempf, Pierrette Menanteau, Ivan Rychlik, Tereza Kubasová, Jérôme Trotereau, Isabelle Virlogeux-Payant, Samantha Schaeffer, Catherine Schouler, Rosanna Drumo, Edouard Guitton, Philippe Velge,

Heterogeneity of infection and extreme shedding patterns are common features of animal infectious diseases. Individual hosts that are super-shedders are key targets for control strategies. Nevertheless, the mechanisms associated with the emergence of super-shedders remain largely unknown. During chicken salmonellosis, a high heterogeneity of infection is observed when animal-to-animal cross-contaminations ... Read more >>

Microb Biotechnol (Microbial biotechnology)
[2020, :]

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The differences and overlaps in the seed-resident microbiome of four Leguminous and three Gramineous forages.

Ya Dai, Xin-Yu Li, Yan Wang, Cai-Xia Li, Yuan He, Hong-Hui Lin, Tao Wang, Xin-Rong Ma,

Given the important roles that seed-borne endophytes can play on their plant hosts, comprehensive studies of the bacterial and fungal communities of seeds are of great importance. In this study, we assessed the seed endophytes of three gramineous (Avena sativa, Elymus sibiricus and Elymus dahuricus) and four leguminous (Vicia villosa, ... Read more >>

Microb Biotechnol (Microbial biotechnology)
[2020, :]

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Enzymatic production of trans-4-hydroxy-l-proline by proline 4-hydroxylase.

Xiulai Chen, Juyang Yi, Jia Liu, Qiuling Luo, Liming Liu,

Trans-4-hydroxy-l-proline (Hyp) is a useful chiral building block for production of many nutritional supplements and pharmaceuticals. However, it is still challenging for industrial production of Hyp due to heavy environmental pollution and low production efficiency. To establish a green and efficient process for Hyp production, the proline 4-hydroxylase (DsP4H) from ... Read more >>

Microb Biotechnol (Microbial biotechnology)
[2020, :]

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The bacterial community and metabolome dynamics and their interactions modulate fermentation process of whole crop corn silage prepared with or without inoculants.

Dongmei Xu, Nian Wang, Marketta Rinne, Wencan Ke, Zwika G Weinberg, Mi Da, Jie Bai, Yixin Zhang, Fuhou Li, Xusheng Guo,

Multi-omics approach was adopted to investigate the modulation of bacterial microbiota and metabolome as well as their interactions in whole crop corn ensiling systems by inoculating homofermentative Lactobacillus plantarum or heterofermentative Lactobacillus buchneri. Inoculations of the two different inoculants resulted in substantial differences in microbial community and metabolic composition as ... Read more >>

Microb Biotechnol (Microbial biotechnology)
[2020, :]

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