Root hairs and protein addition to soil promote leucine aminopeptidase activity of Hordeum vulgare L

Bilyera, 2020, How “hot” are hotspots: statistically localizing the high-activity areas on soil and rhizosphere images, Rhizosphere, 16, 100259, 10.1016/j.rhisph.2020.100259 Brown, 2012, What are the implications of variation in root hair length on tolerance to phosphorus deficiency in combination with water stress in barley (Hordeum vulgare)?, Ann. Bot., 110, 319, 10.1093/aob/mcs085 Brzostek, 2013, Root carbon inputs to the rhizosphere stimulate extracellular enzyme activity and increase nitrogen availability in temperate forest soils, Biogeochemistry, 115, 65, 10.1007/s10533-012-9818-9 Dijkstra, 2013, Rhizosphere priming: a nutrient perspective, Front. Microbiol., 4, 216, 10.3389/fmicb.2013.00216 Geisseler, 2009, Relationship between carbon and nitrogen availability and extracellular enzyme activities in soil, Pedobiologia, 53, 87, 10.1016/j.pedobi.2009.06.002 German, 2011, Substrate concentration and enzyme allocation can affect rates of microbial decomposition, Ecology, 92, 1471, 10.1890/10-2028.1 Gilroy, 2000, Through form to function: root hair development and nutrient uptake, Trends Plant Sci., 5, 56, 10.1016/S1360-1385(99)01551-4 Greenfield, 2020, Do plants use root-derived proteases to promote the uptake of soil organic nitrogen?, Plant Soil, 456, 355, 10.1007/s11104-020-04719-6 Greenfield, 2020, Is soluble protein mineralisation and protease activity in soil regulated by supply or demand?, Soil Biol. Biochem., 150, 108007, 10.1016/j.soilbio.2020.108007 Guber, 2018, Quantitative soil zymography: mechanisms, processes of substrate and enzyme diffusion in porous media, Soil Biol. Biochem., 127, 156, 10.1016/j.soilbio.2018.09.030 Haling, 2013, Root hairs improve root penetration, root-soil contact, and phosphorus acquisition in soils of different strength, J. Exp. Bot., 64, 3711, 10.1093/jxb/ert200 Hill, 2019, Hotspots and hot moments of amino acid N in soil: real-time insights using continuous microdialysis sampling, Soil Biol. Biochem., 131, 40, 10.1016/j.soilbio.2018.12.026 Hill, 2012, Bigger may be better in soil N cycling: does rapid acquisition of small l-peptides by soil microbes dominate fluxes of protein-derived N in soil?, Soil Biol. Biochem., 48, 106, 10.1016/j.soilbio.2012.01.023 Holz, 2020, The effect of root hairs on rhizosphere phosphatase activity, J. Plant Nutr. Soil Sci., 183, 382, 10.1002/jpln.201900426 Holz, 2018, Root hairs increase rhizosphere extension and carbon input to soil, Ann. Bot., 121, 61, 10.1093/aob/mcx127 Jan, 2009, Protein breakdown represents a major bottleneck in nitrogen cycling in grassland soils, Soil Biol. Biochem., 41, 2272, 10.1016/j.soilbio.2009.08.013 Jones, 2009, Carbon flow in the rhizosphere: carbon trading at the soil-root interface, Plant Soil, 321, 5, 10.1007/s11104-009-9925-0 Kandeler, 1994, Microbial biomass, N mineralization, and the activities of various enzymes in relation to nitrate leaching and root distribution in a slurry-amended grassland, Biol. Fertil. Soils, 18, 7, 10.1007/BF00336437 Kania, 2015, Aminopeptidases isolated from plants of great economic value - role and characteristics, Chemik, 69, 466 Koo, 2005, Root exudates and microorganisms, 421 Kuzyakov, 2015, Microbial hotspots and hot moments in soil, Concept & review, 83, 184 Kuzyakov, 2013, Competition between roots and microorganisms for nitrogen: mechanisms and ecological relevance, New Phytol., 198, 656, 10.1111/nph.12235 Liu, 2019, Long-term fertiliser (organic and inorganic) input effects on soil microbiological characteristics in hydromorphic paddy soils in China, Soil Res., 57, 459, 10.1071/SR18141 Loeppmann, 2016, Substrate quality affects microbial- and enzyme activities in rooted soil, J. Plant Nutr. Soil Sci., 179, 39, 10.1002/jpln.201400518 Ma, 2020, Farmyard manure applications stimulate soil carbon and nitrogen cycling by boosting microbial biomass rather than changing its community composition, Soil Biol. Biochem., 144, 107760, 10.1016/j.soilbio.2020.107760 Ma, 2018, Spatial patterns of enzyme activities in the rhizosphere: effects of root hairs and root radius, Soil Biol. Biochem., 118, 69, 10.1016/j.soilbio.2017.12.009 Marinari, 2000, Influence of organic and mineral fertilisers on soil biological and physical properties, Bioresour. Technol., 72, 9, 10.1016/S0960-8524(99)00094-2 Marx, 2001, A microplate fluorimetric assay for the study of enzyme diversity in soils, Soil Biol. Biochem., 33, 1633, 10.1016/S0038-0717(01)00079-7 Melero, 2006, Chemical and biochemical properties in a silty loam soil under conventional and organic management, Soil Tillage Res., 90, 162, 10.1016/j.still.2005.08.016 Miranda, 2001, A rapid, simple spectrophotometric method for simultaneous detection of nitrate and nitrite, Biol. Chem., 5, 62 Mulvaney, 1996, Nitrogen - inorganic forms, 1123 Neumann, 2009, Strategies and methods for studying the rhizosphere-the plant science toolbox, Plant Soil, 321, 431, 10.1007/s11104-009-9953-9 Niemi, 2008, Conventional versus organic cropping and peat amendment: impacts on soil microbiota and their activities, Eur. J. Soil Biol., 44, 419, 10.1016/j.ejsobi.2008.06.001 Oburger, 2018, Sampling root exudates – mission impossible?, Rhizosphere, 6, 116, 10.1016/j.rhisph.2018.06.004 Oburger, 2009, Substrate mineralization studies in the laboratory show different microbial C partitioning dynamics than in the field, Soil Biol. Biochem., 41, 1951, 10.1016/j.soilbio.2009.06.020 Paungfoo-Lonhienne, 2008, Plants can use protein as a nitrogen source without assistance from other organisms, Proc. Natl. Acad. Sci. Unit. States Am., 105, 4524, 10.1073/pnas.0712078105 Puissant, 2019, The pH optimum of soil exoenzymes adapt to long term changes in soil pH, Soil Biol. Biochem., 138, 1076012, 10.1016/j.soilbio.2019.107601 2018 Razavi, 2016, Rhizosphere shape of lentil and maize: spatial distribution of enzyme activities, Soil Biol. Biochem., 96, 229, 10.1016/j.soilbio.2016.02.020 Razavi, 2019, Soil zymography: simple and reliable? Review of current knowledge and optimization of the method, Rhizosphere, 11, 100161, 10.1016/j.rhisph.2019.100161 Rillig, 2007, Role of proteins in soil carbon and nitrogen storage: controls on persistence, Biogeochemistry, 85, 25, 10.1007/s10533-007-9102-6 Rütting, 2018, Efficient use of nitrogen in agriculture, Nutrient Cycl. Agroecosyst., 110, 1, 10.1007/s10705-017-9900-8 Schindelin, 2012, Fiji: an open-source platform for biological-image analysis, Nat. Methods, 9, 676, 10.1038/nmeth.2019 Schulten, 1997, The chemistry of soil organic nitrogen: a review, Biol. Fertil. Soils, 26, 1, 10.1007/s003740050335 Spohn, 2014, Spatial and temporal dynamics of hotspots of enzyme activity in soil as affected by living and dead roots—a soil zymography analysis, Plant Soil, 379, 67, 10.1007/s11104-014-2041-9 Steingrobe, 2001, Root production and root mortality of winter wheat grown on sandy and loamy soils in different farming systems, Biol. Fertil. Soils, 33, 331, 10.1007/s003740000334 Stevenson, 1999, The carbon cycle, 1 Tajima, 2011, Comparison of threshold algorithms for automatic image processing of rice roots using freeware ImageJ, Field Crop. Res., 121, 460, 10.1016/j.fcr.2011.01.015 Vaz, 1994, Changes in the chemistry of soil solution and acetic-acid extractable P following different types of freeze/thaw episodes, Eur. J. Soil Sci., 45, 353, 10.1111/j.1365-2389.1994.tb00519.x Waisel, 2002 Zhang, 2019, Spatial pattern of enzyme activities depends on root exudate composition, Soil Biol. Biochem., 133, 83, 10.1016/j.soilbio.2019.02.010 Zhu, 2014, Rhizosphere priming effects on soil carbon and nitrogen mineralization, Soil Biol. Biochem., 76, 183, 10.1016/j.soilbio.2014.04.033