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Sfp-type PPTase inactivation promotes bacterial biofilm formation and ability to enhance wheat drought tolerance

Overview of attention for article published in Frontiers in Microbiology, May 2015
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Title
Sfp-type PPTase inactivation promotes bacterial biofilm formation and ability to enhance wheat drought tolerance
Published in
Frontiers in Microbiology, May 2015
DOI 10.3389/fmicb.2015.00387
Pubmed ID
Authors

Salme Timmusk, Seong-Bin Kim, Eviatar Nevo, Islam Abd El Daim, Bo Ek, Jonas Bergquist, Lawrence Behers

Abstract

Paenibacillus polymyxa is a common soil bacterium with broad range of practical applications. An important group of secondary metabolites in P. polymyxa are non-ribosomal peptide and polyketide derived metabolites (NRPs/PKs). Modular non-ribosomal peptide synthetases catalyze main steps in the biosynthesis of the complex secondary metabolites. Here we report on the inactivation of an A26 Sfp-type 4'-phosphopantetheinyl transferase (Sfp-type PPTase). The inactivation of the gene resulted in loss of NRPs/PKs production. In contrast to the former Bacillus spp. model the mutant strain compared to wild type showed greatly enhanced biofilm formation ability. A26Δsfp biofilm promotion is directly mediated by NRPs/PKs, as exogenous addition of the wild type metabolite extracts restores its biofilm formation level. Wheat inoculation with bacteria that had lost their Sfp-type PPTase gene resulted in two times higher plant survival and about three times increased biomass under severe drought stress compared to wild type. Challenges with P. polymyxa genetic manipulation are discussed.

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X Demographics

The data shown below were collected from the profiles of 6 X users who shared this research output. Click here to find out more about how the information was compiled.
Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 65 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Czechia 1 2%
Unknown 64 98%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 16 25%
Student > Master 10 15%
Student > Bachelor 7 11%
Researcher 6 9%
Professor > Associate Professor 4 6%
Other 8 12%
Unknown 14 22%
Readers by discipline Count As %
Agricultural and Biological Sciences 29 45%
Biochemistry, Genetics and Molecular Biology 7 11%
Environmental Science 3 5%
Immunology and Microbiology 3 5%
Engineering 2 3%
Other 6 9%
Unknown 15 23%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 15 June 2015.
All research outputs
#13,943,835
of 22,805,349 outputs
Outputs from Frontiers in Microbiology
#11,398
of 24,755 outputs
Outputs of similar age
#133,694
of 266,745 outputs
Outputs of similar age from Frontiers in Microbiology
#168
of 395 outputs
Altmetric has tracked 22,805,349 research outputs across all sources so far. This one is in the 37th percentile – i.e., 37% of other outputs scored the same or lower than it.
So far Altmetric has tracked 24,755 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 6.3. This one has gotten more attention than average, scoring higher than 50% of its peers.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 266,745 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 48th percentile – i.e., 48% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 395 others from the same source and published within six weeks on either side of this one. This one has gotten more attention than average, scoring higher than 54% of its contemporaries.