Abstract:
:Colonization of the root surface, or rhizoplane, is one of the first steps for soil-borne bacteria to become established in the plant microbiome. However, the relative contributions of processes, such as bacterial attachment and proliferation is not well characterized, and this limits our ability to comprehend the complex dynamics of microbial communities in the rhizosphere. The work presented here addresses this knowledge gap. A model system was developed to acquire quantitative data on the colonization process of lettuce (Lactuca sativa L. cultivar. All Year Round) roots by Pseudomonas fluorescens isolate SBW25. A theoretical framework is proposed to calculate attachment rate and quantify the relative contribution of bacterial attachment to colonization. This allows the assessment of attachment rates on the root surface beyond the short time period during which it can be quantified experimentally. All techniques proposed are generic and similar analyses could be applied to study various combinations of plants and bacteria, or to assess competition between species. In the future this could allow for selection of microbial traits that improve early colonization and maintenance of targeted isolates in cropping systems, with potential applications for the development of biological fertilizers.
journal_name
Front Microbioljournal_title
Frontiers in microbiologyauthors
Carroll D,Holden N,Gifford ML,Dupuy LXdoi
10.3389/fmicb.2020.585443subject
Has Abstractpub_date
2020-09-25 00:00:00pages
585443issn
1664-302Xjournal_volume
11pub_type
杂志文章abstract::Toxoplasmosis, which is one of the most widespread zoonoses worldwide, has a high incidence and infection can result in severe disease in humans and livestock. Citrate synthase (CS) is a component of nearly all living cells that plays a vital role in the citric acid cycle, which is the central metabolic pathway of aer...
journal_title:Frontiers in microbiology
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pub_type: 杂志文章,评审
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pub_type: 杂志文章
doi:10.3389/fmicb.2016.01588
更新日期:2016-10-18 00:00:00
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journal_title:Frontiers in microbiology
pub_type: 杂志文章
doi:10.3389/fmicb.2017.00518
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journal_title:Frontiers in microbiology
pub_type: 杂志文章
doi:10.3389/fmicb.2018.01333
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journal_title:Frontiers in microbiology
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journal_title:Frontiers in microbiology
pub_type: 杂志文章
doi:10.3389/fmicb.2018.02820
更新日期:2018-11-27 00:00:00
abstract::Cereals-derived foods represent a key constituent in the diet of many populations. In particular, pasta is consumed in large quantities throughout the world in reason of its nutritive importance, containing significant amounts of complex carbohydrates, proteins, B-vitamins, and iron. Lactic acid bacteria (LAB) are a h...
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doi:10.3389/fmicb.2012.00094
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doi:10.3389/fmicb.2020.557404
更新日期:2020-10-22 00:00:00
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pub_type: 杂志文章
doi:10.3389/fmicb.2020.618942
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abstract::Endophytic actinomycetes from medicinal plants produce a wide diversity of secondary metabolites (SM). However, to date, the knowledge about endophytes from Brazil remains scarce. Thus, we analyzed the antimicrobial potential of 10 actinomycetes isolated from the medicinal plant Vochysia divergens located in the Panta...
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doi:10.3389/fmicb.2017.01642
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abstract::Janthinobacterium and Duganella are well-known for their antifungal effects. Surprisingly, almost nothing is known on molecular aspects involved in the close bacterium-fungus interaction. To better understand this interaction, we established the genomes of 11 Janthinobacterium and Duganella isolates in combination wit...
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abstract::Metacaspases are distant homologs of metazoan caspase proteases, implicated in stress response, and programmed cell death (PCD) in bacteria and phytoplankton. While the few previous studies on metacaspases have relied on cultured organisms and sequenced genomes, no studies have focused on metacaspases in a natural set...
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abstract::Acinetobacter baumannii is emerging as a challenging nosocomial pathogen due to its rapid evolution of antibiotic resistance. We report characterization of two novel bacteriophages, PBAB08 and PBAB25, infecting clinically isolated, multidrug-resistant (MDR) A. baumannii strains. Both phages belonged to Myoviridae of C...
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journal_title:Frontiers in microbiology
pub_type: 杂志文章
doi:10.3389/fmicb.2018.01908
更新日期:2018-08-15 00:00:00
abstract::Acinetobacter baumannii is a gram-negative, non-motile bacterium that, due to its multidrug resistance, has become a major nosocomial pathogen. The increasing number of multidrug resistant (MDR) strains has renewed interest in phage therapy. The aim of our study was to assess the effectiveness of phage administration ...
journal_title:Frontiers in microbiology
pub_type: 杂志文章
doi:10.3389/fmicb.2016.01590
更新日期:2016-10-04 00:00:00
abstract::Vancomycin is a glycopeptide antibiotic that inhibits transpeptidation during cell wall synthesis by binding to the D-Ala-D-Ala termini of lipid II. For long, it has been used as a last resort antibiotic. However, since the emergence of the first vancomycin-resistant enterococci in 1987, vancomycin resistance has beco...
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pub_type: 杂志文章
doi:10.3389/fmicb.2018.01175
更新日期:2018-06-07 00:00:00
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pub_type: 杂志文章
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doi:10.3389/fmicb.2011.00068
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pub_type: 杂志文章,评审
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pub_type: 杂志文章
doi:10.3389/fmicb.2011.00207
更新日期:2011-10-10 00:00:00
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pub_type: 杂志文章
doi:10.3389/fmicb.2020.01231
更新日期:2020-06-09 00:00:00
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pub_type: 杂志文章
doi:10.3389/fmicb.2019.00199
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doi:10.3389/fmicb.2017.01591
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pub_type: 杂志文章
doi:10.3389/fmicb.2018.02227
更新日期:2018-10-09 00:00:00
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journal_title:Frontiers in microbiology
pub_type: 杂志文章
doi:10.3389/fmicb.2011.00070
更新日期:2011-05-03 00:00:00
abstract::The regulator of citrate metabolism, CitO, from Enterococcus faecalis belongs to the FCD family within the GntR superfamily. In the presence of citrate, CitO binds to cis-acting sequences located upstream of the cit promoters inducing the expression of genes involved in citrate utilization. The quantification of the m...
journal_title:Frontiers in microbiology
pub_type: 杂志文章
doi:10.3389/fmicb.2016.00101
更新日期:2016-02-09 00:00:00