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1. Phagocytosis in a Shape-shifting Bacterium

Author:
Gallot-Lavallée, Lucie; Archibald, John M.
Source:
Trends in microbiology 2020 v.28 no.6 pp. 428-430
ISSN:
0966-842X
Subject:
bacteria,   etc   ; eukaryotic cells; phagocytosis;     Show all 3 Subjects
Abstract:
... Phagocytosis – cell ingestion – is an important process confined to eukaryotes. Or is it? Shiratori et al. have discovered the existence of phagocytosis in a planctomycete bacterium, raising new questions about the significance of phagotrophy beyond the realm of eukaryotic life. ...
DOI:
10.1016/j.tim.2020.02.017

2. Bacterial Aggregation Leads to Collective Elimination

Author:
Kim, Kyeri; You, Lingchong
Source:
Trends in microbiology 2020 v.28 no.4 pp. 243-244
ISSN:
0966-842X
Subject:
bacteria,   etc   ; Danio rerio; antibiotics;     Show all 3 Subjects
Abstract:
... Faster growing bacteria tend to be killed faster by antibiotics. In a complex environment exposed to antibiotics, however, the fate of a bacterial population depends on diverse factors. In a new study, Schlomann et al. describes how sublethal antibiotics can trigger the purging of bacteria by the zebrafish. ...
DOI:
10.1016/j.tim.2019.12.001

3. Phenotypic heterogeneity of microbial populations under nutrient limitation

Author:
Gasperotti, Ana; Brameyer, Sophie; Fabiani, Florian; Jung, Kirsten
Source:
Current opinion in biotechnology 2020 v.62 pp. 160-167
ISSN:
0958-1669
Subject:
bacteria,   etc   ; bioreactors; phenotypic variation;     Show all 3 Subjects
Abstract:
... Phenotypic heterogeneity is a phenomenon in which genetically identical individuals have different characteristics. This behavior can also be found in bacteria, even if they grow as monospecies in well-mixed environments such as bioreactors. Here it is discussed how phenotypic heterogeneity is generated by internal factors and how it is promoted under nutrient-limited growth conditions. A better u ...
DOI:
10.1016/j.copbio.2019.09.016

4. Correction to: Melanin biosynthesis in bacteria, regulation and production perspectives

Author:
Pavan, María Elisa; López, Nancy I.; Pettinari, M. Julia
Source:
Applied microbiology and biotechnology 2020 v.104 no.4 pp. 1821-1822
ISSN:
0175-7598
Subject:
bacteria,   etc   ; biosynthesis; melanin;     Show all 3 Subjects
Abstract:
... The original version of this article contains error for some of the authors corrections were not included during correction stage especially for Table 1. ...
DOI:
10.1007/s00253-019-10331-1

5. The "fighting wisdom and bravery" of tailed phage and host in the process of adsorption

Author:
Ge, Haojie; Hu, Maozhi; Zhao, Ge; Du, Yi; Xu, Nannan; Chen, Xiang; Jiao, Xin’an
Source:
Microbiological research 2020 v.230 pp. 126344
ISSN:
0944-5013
Subject:
bacteria,   etc   ; adsorption; bacteriophages;     Show all 3 Subjects
Abstract:
... In the process of bacteriophage and bacteria struggle, adsorption is the key factor to determine who is the winner. In this paper, the molecular mechanism of tailed bacteriophage recognition and adsorption to host and the strategy of “fighting wisdom and courage” between them are reviewed. ...
DOI:
10.1016/j.micres.2019.126344

6. Factors influencing Candidatus Microthrix parvicella growth and specific filamentous bulking control: A review

Author:
Fan, Nian-Si; Qi, Rong; Huang, Bao-Cheng; Jin, Ren-Cun; Yang, Min
Source:
Chemosphere 2020 v.244 pp. 125371
ISSN:
0045-6535
Subject:
bacteria,   etc   ; activated sludge; environmental factors;     Show all 3 Subjects
Abstract:
... Candidatus Microthrix parvicella has been frequently detected as the dominant filamentous bacteria in bulking sludge and thus seriously affects the stable operation of activated sludge processes. The extremely low growth rate of Ca. M. parvicella and its sensitivity to environmental variations greatly limit the development of effective techniques to control filamentous bulking. Based on previous i ...
DOI:
10.1016/j.chemosphere.2019.125371

7. Correction to: Sorgoleone release from sorghum roots shapes the composition of nitrifying populations, total bacteria, and archaea and determines the level of nitrification

Author:
Sarr, Papa Saliou; Ando, Yasuo; Nakamura, Satoshi; Deshpande, Santosh; Subbarao, Guntur Venkata
Source:
Biology and fertility of soils 2020 v.56 no.2 pp. 167
ISSN:
0178-2762
Subject:
bacteria,   etc   ; Archaea; nitrification; roots; sorgoleones;     Show all 5 Subjects
Abstract:
... The name of the author was incorrectly spelled as “Filippo Carannant”. The correct spelling is “Filippo Carannante” and is now presented correctly in this article. ...
DOI:
10.1007/s00374-019-01418-y

8. Making the Case for Disordered Proteins and Biomolecular Condensates in Bacteria

Author:
Cohan, Megan C.; Pappu, Rohit V.
Source:
Trends in biochemical sciences 2020 v.45 no.8 pp. 668-680
ISSN:
0968-0004
Subject:
bacteria,   etc   ; chemical reactions; condensates; eukaryotic cells; proteins;     Show all 5 Subjects
Abstract:
... Intrinsically disordered proteins/regions (IDPs/IDRs) contribute to a diverse array of molecular functions in eukaryotic systems. There is also growing recognition that membraneless biomolecular condensates, many of which are organized or regulated by IDPs/IDRs, can enable spatial and temporal regulation of complex biochemical reactions in eukaryotes. Motivated by these findings, we assess if (and ...
DOI:
10.1016/j.tibs.2020.04.011

9. The Evolution of Protein Secretion Systems by Co-option and Tinkering of Cellular Machineries

Author:
Denise, Rémi; Abby, Sophie S.; Rocha, Eduardo P.C.
Source:
Trends in microbiology 2020 v.28 no.5 pp. 372-386
ISSN:
0966-842X
Subject:
bacteria,   etc   ; adhesion; equipment; evolution; genes; protein secretion;     Show all 6 Subjects
Abstract:
... Protein secretion is important for many biotic and abiotic interactions. The evolution of protein secretion systems of bacteria, and related nanomachines, occurred by the co-option of machineries for motility, conjugation, injection, or adhesion. Some of these secretion systems emerged many times, whereas others are unique. In most cases, their evolution occurred by successive rounds of gene accre ...
DOI:
10.1016/j.tim.2020.01.005

10. High 2,3-butanediol production from glycerol by Raoultella terrigena CECT 4519

Author:
Ripoll, Vanessa; Rodríguez, Alberto; Ladero, Miguel; Santos, Victoria E.
Source:
Bioprocess and biosystems engineering 2020 v.43 no.4 pp. 685-692
ISSN:
1615-7591
Subject:
bacteria,   etc   ; Raoultella terrigena; biocatalysts; biotransformation; glycerol; industry;     Show all 6 Subjects
Abstract:
... Bioconversion of biodiesel-derived glycerol into 2,3-butanediol has received recently much attention due to its increasing surplus and its multiple uses in industry as bulk chemical. The influence of initial glycerol concentration on 2,3-butanediol production in batch runs has been studied. A concentration higher than 140 g/L produces an inhibitory effect on the final 2,3-butanediol concentration ...
DOI:
10.1007/s00449-019-02266-8

11. Mechanisms of sulfur selection and sulfur secretion in a biological sulfide removal (BISURE) system

Author:
Li, Wenji; Zhang, Meng; Kang, Da; Chen, Wenda; Yu, Tao; Xu, Dongdong; Zeng, Zhuo; Li, Yiyu; Zheng, Ping
Source:
Environment international 2020 v.137 pp. 105549
ISSN:
0160-4120
Subject:
bacteria,   etc   ; biogas; desulfurization; genes; oxidation; secretion; sulfur;     Show all 7 Subjects
Abstract:
... Biological desulfurization technology is a sustainable process for the sulfide removal from biogas, which has multiple advantages. In this study, a biological sulfide removal (BISURE) system was established to investigate the working performances and process mechanisms. The results showed that the sulfide removal rate was 2.30 kg-S/(m³ d), the sulfide removal efficiency was higher than 98%, the su ...
DOI:
10.1016/j.envint.2020.105549

12. The vacuole guard hypothesis: how intravacuolar pathogens fight to maintain the integrity of their beloved home

Author:
Anand, Ila; Choi, Wonyoung; Isberg, Ralph R
Source:
Current opinion in microbiology 2020 v.54 pp. 51-58
ISSN:
1369-5274
Subject:
bacteria,   etc   ; Shigella flexneri; niches; pathogens; proteins; vacuoles;     Show all 6 Subjects
Abstract:
... Intravacuolar bacterial pathogens establish intracellular niches by constructing membrane-encompassed compartments. The vacuoles surrounding the bacteria are remarkably stable, facilitating microbial replication and preventing exposure to host cytoplasmically localized innate immune sensing mechanisms. To maintain integrity of the membrane compartment, the pathogen is armed with defensive weapons ...
DOI:
10.1016/j.mib.2020.01.008

13. Self-Assembly of Aqueous Soft Matter Patterned by Liquid-Crystal Polymer Networks for Controlling the Dynamics of Bacteria

Author:
Dhakal, Netra Prasad; Jiang, Jinghua; Guo, Yubing; Peng, Chenhui
Source:
ACS applied materials & interfaces 2020 v.12 no.12 pp. 13680-13685
ISSN:
1944-8252
Subject:
bacteria,   etc   ; bioengineering; liquid crystals; physics; polymers; swimming;     Show all 6 Subjects
Abstract:
... The study of controlling the molecular self-assembly of aqueous soft matter is a fundamental scheme across multiple disciplines such as physics, chemistry, biology, and materials science. In this work, we use liquid-crystal polymer networks (LCNs) to control the superstructures of one aqueous soft material called lyotropic chromonic liquid crystals (LCLCs), which shows spontaneous orientational or ...
DOI:
10.1021/acsami.0c00746

14. Algal cell lysis by bacteria: A review and comparison to conventional methods

Author:
Wang, Meng; Chen, Shibao; Zhou, Wenguang; Yuan, Wenqiao; Wang, Duo
Source:
Algal research 2020 v.46 pp. 101794
ISSN:
2211-9264
Subject:
bacteria,   etc   ; algae; algal blooms; algicides; fuel production;     Show all 5 Subjects
Abstract:
... The lysis or disruption of eukaryotic, unicellular algae by bacteria and other conventional methods is important for both algal bloom control and biofuel production. This study was aimed to synthesize and analyze the current knowledge and research about algal cell lysis, with a special emphasis on bacteria-algae interactions. A brief review of algal lysis by conventional methods including mechanic ...
DOI:
10.1016/j.algal.2020.101794

15. Biomimetic antimicrobial material strategies for combating antibiotic resistant bacteria

Author:
Chee, Eunice; Brown, Ashley C.
Source:
Biomaterials science 2020 v.8 no.4 pp. 1089-1100
ISSN:
2047-4849
Subject:
bacteria,   etc   ; antibiotic resistance; antibiotics; biomimetics; drugs; medicine;     Show all 6 Subjects
Abstract:
... Antibiotic drugs have revolutionized the field of medicine for almost 90 years. However, continued use has led to the rise of antibiotic resistant bacteria, motivating the need for alternative treatments. Several strategies to combat this phenomenon have been investigated, with biomimetic strategies gaining significant appeal due to inherent compatibility with physiologically relevant environments ...
DOI:
10.1039/c9bm01393h

16. Comparing the nitrogen removal performance and microbial communities of flocs-granules hybrid and granule-based CANON systems

Author:
Li, Bolin; Wang, Yue; Li, Xiang; Zhang, Zhi; Wang, Heng; Li, Ye; Wu, Li; Li, Jiangtao
Source:
The Science of the total environment 2020 v.703 pp. 134949
ISSN:
0048-9697
Subject:
denitrifying bacteria,   etc   ; ammonium; granules; microbial communities; nitrogen;     Show all 5 Subjects
Abstract:
... Flocs and granules tend to coexist in a single reactor. Granules can improve microbial retention capacity, however, the role of flocs in the CANON reactor remains unclear. The changes in the nitrogen removal performance and microbial communities between flocs-granules hybrid and granule-based systems were studied in this experiment. With a reduction in the flocs ratio (35% → 10%), the nitrogen rem ...
DOI:
10.1016/j.scitotenv.2019.134949

17. On the catalytic mechanism of bacteriophage endolysins: Opportunities for engineering

Author:
Love, Michael J.; Abeysekera, Gayan S.; Muscroft-Taylor, Andrew C.; Billington, Craig; Dobson, Renwick C.J.
Source:
Biochimica et biophysica acta 2020 v.1868 no.1 pp. 140302
ISSN:
1570-9639
Subject:
bacteria,   etc   ; antibiotics; bacteriophages; catalytic activity; endolysin; engineering;     Show all 6 Subjects
Abstract:
... Bacteriophage endolysins have the potential to be a long-term antibacterial replacement for antibiotics. The exogenous application of endolysins on some bacteria results in rapid cell lysis. The prospects for endolysins are furthered by the ability to engineer them; novel endolysins can be developed with optimised stability, specificity, and lytic function. But the success of endolysin engineering ...
DOI:
10.1016/j.bbapap.2019.140302

18. Unearthing Hidden Chemical Potential from Discarded Actinobacterial Libraries

Author:
Timmermans, Marshall L.; Ross, Avena C.
Source:
Trends in biotechnology 2020 v.38 no.1 pp. 7-9
ISSN:
0167-7799
Subject:
bacteria,   etc   ; antibiotics; biosynthesis; gene editing; mutants;     Show all 5 Subjects
Abstract:
... The redundancy of natural product biosynthesis in microbes poses a practical challenge for discovering new antimicrobial compounds from bacteria. The recent application of clustered regularly interspaced short palindromic repeats (CRISPR) technology by Culp et al. to inactivate the production of abundant antibiotics generates a metabolic clean slate for the detection and/or isolation of new and le ...
DOI:
10.1016/j.tibtech.2019.11.003

19. Hydrophobicity of abiotic surfaces governs droplets deposition and evaporation patterns

Author:
Richard, Elodie; Dubois, Thomas; Allion-Maurer, Audrey; Jha, Piyush Kumar; Faille, Christine
Source:
Food microbiology 2020 v.91 pp. 103538
ISSN:
0740-0020
Subject:
Bacillus (bacteria); bacteria,   etc   ; bacterial spores; droplets; drying; evaporation; food industry; hydrophilicity; hydrophobicity; hygiene; microparticles; polystyrenes; topography;     Show all 13 Subjects
Abstract:
... Surface contamination with droplets containing bacteria is of concern in the food industry and other environments where hygiene control is essential. Deposition patterns after the drying of contaminated droplets is affected by numerous parameters. The present study evaluated the rate of evaporation and the shape of deposition patterns after the drying of water droplets on a panel of materials with ...
DOI:
10.1016/j.fm.2020.103538

20. The contribution of nitrate-reducing bacterium Marinobacter YB03 to biological souring and microbiologically influenced corrosion of carbon steel

Author:
Yuk, Sokunsreiroat; Kamarisima,; Azam, Aa Haeruman; Miyanaga, Kazuhiko; Tanji, Yasunori
Source:
Biochemical engineering journal 2020 v.156 pp. 107520
ISSN:
1369-703X
Subject:
denitrifying bacteria; sulfate-reducing bacteria,   etc   ; Marinobacter; carbon; corrosion; nitrates; oil fields; ribosomal RNA; steel; sulfates;     Show all 10 Subjects
Abstract:
... We have previously studied the effect of nitrate addition on the souring caused by sulfate-reducing bacteria (SRB). It revealed that the nitrate addition could suppress the growth of SRB and stimulate the growth of nitrate-reducing bacteria (NRB). It is not quite clear, however, whether NRB could lead to souring in oil fields and Microbiologically Influenced Corrosion (MIC). In this study, we isol ...
DOI:
10.1016/j.bej.2020.107520