Abstract:
:The dynamics of swimming microorganisms is strongly affected by solid-liquid and air-liquid interfaces. In this paper, we characterize the motion of both single bacteria and microcolonies at an air-liquid interface. Both of them follow circular trajectories. Single bacteria preferentially show a counter-clockwise motion, in agreement with previous experimental and theoretical findings. Instead, no preferential rotation direction is observed for microcolonies suggesting that their motion is due to a different physical mechanism. We propose a simple mechanical model where the microcolonies move like rafts constrained to the air-liquid interface. Finally, we observed that the microcolony growth is due to the aggregation of colliding single-swimmers, suggesting that the microcolony formation resembles a condensation process where the first nucleus originates by the collision between two single-swimmers. Implications of microcolony splitting and aggregation on biofilm growth and dispersion at air-liquid interface are discussed.
journal_name
Microbiologyopenjournal_title
MicrobiologyOpenauthors
Sinibaldi G,Iebba V,Chinappi Mdoi
10.1002/mbo3.532subject
Has Abstractpub_date
2018-02-01 00:00:00issue
1issn
2045-8827journal_volume
7pub_type
杂志文章相关文献
MicrobiologyOpen文献大全abstract::Human gut microbiome dysbiosis has been associated with the onset of metabolic diseases and disorders. However, the critical factors leading to dysbiosis are poorly understood. In this study, we provide increasing evidence of the association of diet type and body mass index (BMI) and how they relatively influence the ...
journal_title:MicrobiologyOpen
pub_type: 杂志文章
doi:10.1002/mbo3.476
更新日期:2017-08-01 00:00:00
abstract::Soil water content (SWC) is an important determinant for nutrient cycling and microorganism activity in the grassland ecosystem. Lakes have a positive effect on the water supply of the neighboring ecosystem. However, information evaluating whether newly built lakes improve the physiochemical properties and microorgani...
journal_title:MicrobiologyOpen
pub_type: 杂志文章
doi:10.1002/mbo3.912
更新日期:2019-12-01 00:00:00
abstract::UV resistance of bacteria isolated from the marine cyanobacterium Moorea producens has not been observed previously, findings which highlight how unsafe germicidal UV irradiation for sterilization of air, food, and water could be. Further, UV resistance of Bacillus licheniformis is being observed for the first time. T...
journal_title:MicrobiologyOpen
pub_type: 杂志文章
doi:10.1002/mbo3.697
更新日期:2019-04-01 00:00:00
abstract::Protein lysine acetylation, a dynamic and reversible posttranslational modification, plays a crucial role in several cellular processes, including cell cycle regulation, metabolism, enzymatic activities, and protein interactions. Brenneria nigrifluens is a pathogen of walnut trees with shallow bark canker and can caus...
journal_title:MicrobiologyOpen
pub_type: 杂志文章
doi:10.1002/mbo3.952
更新日期:2020-01-01 00:00:00
abstract::The extreme radiation resistance of Deinococcus bacteria requires the radiation-stimulated cleavage of protein DdrO by a specific metalloprotease called IrrE. DdrO is the repressor of a predicted radiation/desiccation response (RDR) regulon, composed of radiation-induced genes having a conserved DNA motif (RDRM) in th...
journal_title:MicrobiologyOpen
pub_type: 杂志文章
doi:10.1002/mbo3.477
更新日期:2017-08-01 00:00:00
abstract::Mannitol is the major compatible solute, next to glutamate, synthesized by the opportunistic human pathogen Acinetobacter baumannii under low water activities. The key enzyme for mannitol biosynthesis, MtlD, was identified. MtlD is highly similar to the bifunctional mannitol-1-phosphate dehydrogenase/phosphatase from ...
journal_title:MicrobiologyOpen
pub_type: 杂志文章
doi:10.1002/mbo3.614
更新日期:2018-12-01 00:00:00
abstract::The composition and function of the microbial community in the gastrointestinal tract (GIT) have increasingly captured the attention of nutritionists because these traits affect the nutrient utilization efficiency and health of host animals. Little information has been reported on these aspects of the goat GIT. This s...
journal_title:MicrobiologyOpen
pub_type: 杂志文章
doi:10.1002/mbo3.820
更新日期:2019-09-01 00:00:00
abstract::FtsZ - a prokaryotic tubulin homolog - is one of the central components of bacterial division machinery. At the early stage of cytokinesis FtsZ forms the so-called Z-ring at mid-cell that guides septum formation. Many approaches were used to resolve the structure of the Z-ring, however, researchers are still far from ...
journal_title:MicrobiologyOpen
pub_type: 杂志文章
doi:10.1002/mbo3.336
更新日期:2016-06-01 00:00:00
abstract::We have designed a thermoelectric heat exchanger (TEHE) for microbial fermentations that is able to produce electric power from a microbial continuous culture using the intrinsic heat generated by microbial growth. While the TEHE was connected, the system proved able to stably self-maintain both the temperature and th...
journal_title:MicrobiologyOpen
pub_type: 杂志文章
doi:10.1002/mbo3.648
更新日期:2019-03-01 00:00:00
abstract::Urinary tract infections (UTIs) are among the most common bacterial infections in humans. Although a number of bacteria can cause UTIs, most cases are due to infection by uropathogenic Escherichia coli (UPEC). UPEC are a genetically heterogeneous group that exhibit several virulence factors associated with colonizatio...
journal_title:MicrobiologyOpen
pub_type: 杂志文章
doi:10.1002/mbo3.756
更新日期:2019-06-01 00:00:00
abstract::This study compared the sensitivity of spores from virulent and attenuated Bacillus anthracis strains in suspension to inactivation by various chemical disinfectants. Spore suspensions from two virulent strains (A0256 and A0372) and two attenuated strains (Sterne and A0141) of B. anthracis were tested against two alde...
journal_title:MicrobiologyOpen
pub_type: 杂志文章
doi:10.1002/mbo3.45
更新日期:2012-12-01 00:00:00
abstract::Bacterial flagellar motility is a complex cellular behavior required for the colonization of the light-emitting organ of the Hawaiian bobtail squid, Euprymna scolopes, by the beneficial bioluminescent symbiont Vibrio fischeri. We characterized the basis of this behavior by performing (i) a forward genetic screen to id...
journal_title:MicrobiologyOpen
pub_type: 杂志文章
doi:10.1002/mbo3.96
更新日期:2013-08-01 00:00:00
abstract::The intraspecies genomic diversity of the single-strand RNA (+) virus species hepatitis A virus (Hepatovirus), hepatitis C virus (Hepacivirus), and hepatitis E virus (Orthohepevirus) was compared. These viral species all can cause liver inflammation (hepatitis), but share no gene similarity. The codon usage of human h...
journal_title:MicrobiologyOpen
pub_type: 杂志文章
doi:10.1002/mbo3.973
更新日期:2020-02-01 00:00:00
abstract::The aim of this study was to determine the serogroups, antimicrobial resistance and genetic diversity of Escherichia coli isolates from samples of bivalve mollusks collected along Santa Catarina coast, Brazil, and from the Chesapeake Bay, Maryland, USA. One hundred forty-one E. coli isolates were characterized for ser...
journal_title:MicrobiologyOpen
pub_type: 杂志文章
doi:10.1002/mbo3.738
更新日期:2019-05-01 00:00:00
abstract::Sustained monoculture often leads to the inhibition of plant growth, the decrease of the soil microbial diversity, and changes in soil microbial community composition, particularly to the accumulation of soil-borne pathogens. In this study, we conducted field experiments to investigate the practical effects of tilling...
journal_title:MicrobiologyOpen
pub_type: 杂志文章
doi:10.1002/mbo3.1045
更新日期:2020-07-01 00:00:00
abstract::RodZ is important for maintaining the rod shape of Escherichia coli. Loss of RodZ causes conversion of the rod shape to a round shape and a growth rate slower than that of wild-type cells. Suppressor mutations that simultaneously restore both the growth rates and the rod shape were isolated. Most of the suppressor mut...
journal_title:MicrobiologyOpen
pub_type: 杂志文章
doi:10.1002/mbo3.116
更新日期:2013-10-01 00:00:00
abstract::The objective of this study was to phylogenetically analyze microorganisms from the domains Bacteria and Archaea in hypersaline sediment from Death Valley National Park. Using domain-specific primers, a region of the 16S rRNA gene was amplified using polymerase chain reaction (PCR), and the product was subsequently us...
journal_title:MicrobiologyOpen
pub_type: 杂志文章
doi:10.1002/mbo3.20
更新日期:2012-06-01 00:00:00
abstract::The emerging pollutants antibiotic resistance genes (ARGs) are prevalent in aquatic environments such as estuary. Coastal mangrove ecosystems always serve as natural wetlands for receiving sewage which always carry ARGs. Currently, the research considering ARG distribution in mangrove ecosystems gains more interest. I...
journal_title:MicrobiologyOpen
pub_type: 杂志文章
doi:10.1002/mbo3.871
更新日期:2019-11-01 00:00:00
abstract::The black pigmentation-related genes in Porphyromonas gingivalis are primarily involved in regulating gingipain functions. In this study, we identified a pigmentation-related gene, designated as pgn_0361. To characterize the role of pgn_0361 in regulating P. gingivalis-mediated epithelial cell detachment and inhibitio...
journal_title:MicrobiologyOpen
pub_type: 杂志文章
doi:10.1002/mbo3.1128
更新日期:2020-12-01 00:00:00
abstract:AIMS:To assess a cost-effective in-house selective plate formula for actively screening carbapenem-resistant Enterobacteriaceae (CRE). METHODOLOGY AND RESULTS:The in-house formula included CHROMagarTM Orientation, meropenem, and ingredients present in the Mac-Conkey formula, such as bile salts and crystal violet (pH 6...
journal_title:MicrobiologyOpen
pub_type: 杂志文章
doi:10.1002/mbo3.1130
更新日期:2020-12-01 00:00:00
abstract::The small hive beetle (SHB) is an opportunistic parasite that feeds on bee larvae, honey, and pollen. While SHBs can also feed on fruit and other plant products, like its plant-feeding relatives, SHBs prefer to feed on hive resources and only reproduce inside bee colonies. As parasites, SHBs are inevitably exposed to ...
journal_title:MicrobiologyOpen
pub_type: 杂志文章
doi:10.1002/mbo3.899
更新日期:2019-10-01 00:00:00
abstract::Betaproteobacteria were the most common isolates from the water-filled tank of a Costa Rican bromeliad. Isolates included eight species from the orders Neisseriales and Burkholderiales, with close relatives recovered previously from tropical soils, wetlands, freshwater, or in association with plants. Compared to close...
journal_title:MicrobiologyOpen
pub_type: 杂志文章
doi:10.1002/mbo3.344
更新日期:2016-06-01 00:00:00
abstract::The nitrogenase complex in the heterocysts of the filamentous freshwater cyanobacterium Anabaenasp. PCC 7120 fixes atmospheric nitrogen to allow diazotrophic growth. The heterocyst cell envelope protects the nitrogenase from oxygen and consists of a polysaccharide and a glycolipid layer that are formed by a complex pr...
journal_title:MicrobiologyOpen
pub_type: 杂志文章
doi:10.1002/mbo3.811
更新日期:2019-08-01 00:00:00
abstract::Dinitrogen fixation, the biological reduction in N2 gas to ammonia contributes to the supply of new nitrogen in the surface ocean. To understand the diversity and abundance of potentially diazotrophic (N2 fixing) microorganisms associated with marine zooplankton, especially copepods, the nifH gene was studied using zo...
journal_title:MicrobiologyOpen
pub_type: 杂志文章
doi:10.1002/mbo3.385
更新日期:2016-12-01 00:00:00
abstract::Microbial biofilms are communities of surface-adhered cells enclosed in a matrix of extracellular polymeric substances. Bacterial cells in biofilm are 10~1,000-fold more resistant to antimicrobials than the planktonic cells. Burgeoning antibiotic resistance in Pseudomonas aeruginosa biofilm has necessitated the develo...
journal_title:MicrobiologyOpen
pub_type: 杂志文章
doi:10.1002/mbo3.545
更新日期:2018-02-01 00:00:00
abstract::Rhodothermus marinus, a marine aerobic thermophile, was first isolated from an intertidal hot spring in Iceland. In recent years, the R. marinus strain PRI 493 has been genetically modified, which opens up possibilities for targeted metabolic engineering of the species, such as of the carotenoid biosynthetic pathway. ...
journal_title:MicrobiologyOpen
pub_type: 杂志文章
doi:10.1002/mbo3.536
更新日期:2018-02-01 00:00:00
abstract::Trying to widen the discussion on the risks associated with dental waste, this study proposed to investigate and genetically compare yeast isolates recovered from dental solid waste and waste workers. Three samples were collected from workers' hands, nasal mucosa, and professional clothing (days 0, 30, and 180), and t...
journal_title:MicrobiologyOpen
pub_type: 杂志文章
doi:10.1002/mbo3.554
更新日期:2018-04-01 00:00:00
abstract::Most DNA assembly methods require bacterial amplification steps, which restrict its application to genes that can be cloned in the bacterial host without significant toxic effects. However, genes that cannot be cloned in bacteria do not necessarily exert toxic effects on the final host. In order to tackle this issue, ...
journal_title:MicrobiologyOpen
pub_type: 杂志文章
doi:10.1002/mbo3.978
更新日期:2020-03-01 00:00:00
abstract::It is common knowledge that fecal microbiota is a primary source of Escherichia coli causing urinary tract infections (UTIs) via the fecal-perineal-urethral route. But, it is still unknown whether E. coli UTI is mainly caused by dominant fecal E. coli isolates (prevalence hypothesis) or the isolates that possess more ...
journal_title:MicrobiologyOpen
pub_type: 杂志文章
doi:10.1002/mbo3.759
更新日期:2019-06-01 00:00:00
abstract::Brazil is the biggest producer of sweet oranges and the main exporter of concentrated orange juice in the world. Among the diseases that affect citriculture, Asiatic citrus canker, caused by the bacterial pathogen Xanthomonas citri, represents one of the most significant threats. The current Brazilian legislation regu...
journal_title:MicrobiologyOpen
pub_type: 杂志文章
doi:10.1002/mbo3.1104
更新日期:2020-09-01 00:00:00