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The ‘known’ genetic potential for microbial communities to degrade organic phosphorus is reduced in low-pH soils.
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Lidbury, Ian, Fraser, Tandra, Murphy, Andrew, Scanlan, David J., Bending, G. D., Jones, Alexandra M., Moore, Jonathan D., Goodall, Andrew, Tibbett, Mark, Hammond, John P. and Wellington, E. M. H. (2017) The ‘known’ genetic potential for microbial communities to degrade organic phosphorus is reduced in low-pH soils. MicrobiologyOpen . e00474. doi:10.1002/mbo3.474
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Official URL: http://dx.doi.org/10.1002/mbo3.474
Abstract
In soil, bioavailable inorganic orthophosphate is found at low concentrations and thus limits biological growth. To overcome this phosphorus scarcity, plants and bacteria secrete numerous enzymes, namely acid and alkaline phosphatases, which cleave orthophosphate from various organic phosphorus substrates. Using profile hidden Markov modeling approaches, we investigated the abundance of various non specific phosphatases, both acid and alkaline, in metagenomes retrieved from soils with contrasting pH regimes. This analysis uncovered a marked reduction in the abundance and diversity of various alkaline phosphatases in low-pH soils that was not counterbalanced by an increase in acid phosphatases. Furthermore, it was also discovered that only half of the bacterial strains from different phyla deposited in the Integrated Microbial Genomes database harbor alkaline phosphatases. Taken together, our data suggests that these 'phosphatase lacking' isolates likely increase in low-pH soils and future research should ascertain how these bacteria overcome phosphorus scarcity.
| Item Type: | Journal Article | ||||||||||
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| Subjects: | Q Science > QP Physiology S Agriculture > S Agriculture (General) |
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| Divisions: | Faculty of Science > Life Sciences (2010- ) | ||||||||||
| Library of Congress Subject Headings (LCSH): | Soils -- Phosphorus content, Phosphatases, Acid phosphatase, Alkaline phosphatase, Markov processes | ||||||||||
| Journal or Publication Title: | MicrobiologyOpen | ||||||||||
| Publisher: | John Wiley & Sons Ltd | ||||||||||
| ISSN: | 2045-8827 | ||||||||||
| Official Date: | 1 August 2017 | ||||||||||
| Dates: |
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| Article Number: | e00474 | ||||||||||
| DOI: | 10.1002/mbo3.474 | ||||||||||
| Status: | Peer Reviewed | ||||||||||
| Publication Status: | Published | ||||||||||
| Access rights to Published version: | Open Access | ||||||||||
| Description: | epub ahead of print |
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| Funder: | Biotechnology and Biological Sciences Research Council (Great Britain) (BBSRC) | ||||||||||
| Grant number: | BB/L026074/1 (BBSRC) |
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