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Outstanding impact of soil tillage on the abundance of soil hydrolases revealed by a metagenomic approach

Overview of attention for article published in Brazilian Journal of Microbiology, March 2018
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Title
Outstanding impact of soil tillage on the abundance of soil hydrolases revealed by a metagenomic approach
Published in
Brazilian Journal of Microbiology, March 2018
DOI 10.1016/j.bjm.2018.03.001
Pubmed ID
Authors

Renata Carolini Souza, Maurício Egídio Cantão, Marco Antonio Nogueira, Ana Tereza Ribeiro Vasconcelos, Mariangela Hungria

Abstract

The soil represents the main source of novel biocatalysts and biomolecules of industrial relevance. We searched for hydrolases in silico in four shotgun metagenomes (4,079,223 sequences) obtained in a 13-year field trial carried out in southern Brazil, under the no-tillage (NT), or conventional tillage (CT) managements, with crop succession (CS, soybean/wheat), or crop rotation (CR, soybean/maize/wheat/lupine/oat). We identified 42,631 hydrolases belonging to five classes by comparing with the KEGG database, and 44,928 sequences by comparing with the NCBI-NR database. The abundance followed the order: lipases>laccases>cellulases>proteases>amylases>pectinases. Statistically significant differences were attributed to the tillage system, with the NT showing about five times more hydrolases than the CT system. The outstanding differences can be attributed to the management of crop residues, left on the soil surface in the NT, and mechanically broken and incorporated into the soil in the CT. Differences between the CS and the CR were slighter, 10% higher for the CS, but not statistically different. Most of the sequences belonged to fungi (Verticillium, and Colletotrichum for lipases and laccases, and Aspergillus for proteases), and to the archaea Sulfolobus acidocaldarius for amylases. Our results indicate that agricultural soils under conservative managements may represent a hotspot for bioprospection of hydrolases.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 84 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 84 100%

Demographic breakdown

Readers by professional status Count As %
Researcher 14 17%
Student > Master 11 13%
Student > Doctoral Student 9 11%
Student > Ph. D. Student 9 11%
Student > Bachelor 7 8%
Other 11 13%
Unknown 23 27%
Readers by discipline Count As %
Agricultural and Biological Sciences 29 35%
Biochemistry, Genetics and Molecular Biology 14 17%
Environmental Science 5 6%
Chemistry 3 4%
Chemical Engineering 2 2%
Other 7 8%
Unknown 24 29%
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 20 December 2018.
All research outputs
#15,175,718
of 25,382,440 outputs
Outputs from Brazilian Journal of Microbiology
#431
of 1,377 outputs
Outputs of similar age
#182,181
of 343,586 outputs
Outputs of similar age from Brazilian Journal of Microbiology
#11
of 29 outputs
Altmetric has tracked 25,382,440 research outputs across all sources so far. This one is in the 38th percentile – i.e., 38% of other outputs scored the same or lower than it.
So far Altmetric has tracked 1,377 research outputs from this source. They receive a mean Attention Score of 3.6. This one has gotten more attention than average, scoring higher than 66% 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 343,586 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 45th percentile – i.e., 45% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 29 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 62% of its contemporaries.