in

Root exudate composition reflects drought severity gradient in blue grama (Bouteloua gracilis)

  • Reichstein, M. et al. Climate extremes and the carbon cycle. Nature 500, 287–295 (2013).

    ADS 
    CAS 
    PubMed 
    Article 

    Google Scholar 

  • IPCC, 2018. Summary for Policymakers. in Global warming of 1.5°C. An IPCC Special Report on the impacts of global warming of 1.5°C above pre-industrial levels and related global greenhouse gas emission pathways, in the context of strengthening the global response to the threat of climate change, sustainable development, and efforts to eradicate poverty (eds. Masson-Delmotte, V. et al.) 32 (World Meteorological Organization, 2018).

  • Kozlowski, T. Carbohydrate sources and sinks in woody plants. Bot. Rev. 58, 107–222 (1992).

    Article 

    Google Scholar 

  • Hartmann, H., Bahn, M., Carbone, M. & Richardson, A. D. Plant carbon allocation in a changing world–challenges and progress: Introduction to a Virtual Issue on carbon allocation. New Phytol. 227, 981–988 (2020).

    PubMed 
    Article 

    Google Scholar 

  • Shahzad, T. et al. Contribution of exudates, arbuscular mycorrhizal fungi and litter depositions to the rhizosphere priming effect induced by grassland species. Soil Biol. Biochem. 80, 146–155 (2015).

    CAS 
    Article 

    Google Scholar 

  • Williams, A. & de Vries, F. T. Plant root exudation under drought: implications for ecosystem functioning. New Phytol. 225, 1899–1905 (2020).

    PubMed 
    Article 

    Google Scholar 

  • Dijkstra, F. A., Zhu, B. & Cheng, W. Root effects on soil organic carbon: a double-edged sword. New Phytol. 230, 60–65 (2021).

    CAS 
    PubMed 
    Article 

    Google Scholar 

  • Bakker, P. A. H. M., Pieterse, C. M. J., de Jonge, R. & Berendsen, R. L. The soil-borne legacy. Cell 172, 1178–1180 (2018).

    CAS 
    PubMed 
    Article 

    Google Scholar 

  • Mendes, R., Garbeva, P. & Raaijmakers, J. M. The rhizosphere microbiome: significance of plant beneficial, plant pathogenic, and human pathogenic microorganisms. FEMS Microbiol. Rev. 37, 634–663 (2013).

    CAS 
    PubMed 
    Article 

    Google Scholar 

  • Roberson, E. B. & Firestone, M. K. Relationship between desiccation and exopolysaccharide production in a soil Pseudomonas sp. Appl. Environ. Microbiol. 58, 1284–1291 (1992).

    ADS 
    CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 

  • Preece, C. & Peñuelas, J. Rhizodeposition under drought and consequences for soil communities and ecosystem resilience. Plant Soil 409, 1–17 (2016).

    CAS 
    Article 

    Google Scholar 

  • Ulrich, D. E. M. et al. Plant-microbe interactions before drought influence plant physiological responses to subsequent severe drought. Sci. Rep. 9, 249 (2019).

    ADS 
    PubMed 
    PubMed Central 
    Article 
    CAS 

    Google Scholar 

  • Oleghe, E., Naveed, M., Baggs, E. M. & Hallett, P. D. Plant exudates improve the mechanical conditions for root penetration through compacted soils. Plant Soil 421, 19–30 (2017).

    CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 

  • Clarholm, M., Skyllberg, U. & Rosling, A. Organic acid induced release of nutrients from metal-stabilized soil organic matter—The unbutton model. Soil Biol. Biochem. 84, 168–176 (2015).

    CAS 
    Article 

    Google Scholar 

  • Liu, W., Xu, G., Bai, J. & Duan, B. Effects of warming and oxalic acid addition on plant–microbial competition in Picea brachytyla. Can. J. For. Res. https://doi.org/10.1139/cjfr-2020-0019 (2021).

    Article 

    Google Scholar 

  • Keiluweit, M. et al. Mineral protection of soil carbon counteracted by root exudates. Nat. Clim. Change 5, 588–595 (2015).

    ADS 
    CAS 
    Article 

    Google Scholar 

  • Zhalnina, K. et al. Dynamic root exudate chemistry and microbial substrate preferences drive patterns in rhizosphere microbial community assembly. Nat. Microbiol. 1, 470–480 (2018).

    Article 
    CAS 

    Google Scholar 

  • Canarini, A., Kaiser, C., Merchant, A., Richter, A. & Wanek, W. Root exudation of primary metabolites: Mechanisms and their roles in plant responses to environmental stimuli. Front. Plant Sci. 10, 157 (2019).

    PubMed 
    PubMed Central 
    Article 

    Google Scholar 

  • Worchel, E. R., Giauque, H. E. & Kivlin, S. N. Fungal symbionts alter plant drought response. Microb. Ecol. 65, 671–678 (2013).

    CAS 
    PubMed 
    Article 

    Google Scholar 

  • Sasse, J., Martinoia, E. & Northen, T. Feed your friends: Do plant exudates shape the root microbiome?. Trends Plant Sci. 23, 25–41 (2018).

    CAS 
    PubMed 
    Article 

    Google Scholar 

  • Shade, A. & Stopnisek, N. Abundance-occupancy distributions to prioritize plant core microbiome membership. Curr. Opin. Microbiol. 49, 50–58 (2019).

    PubMed 
    Article 

    Google Scholar 

  • Zhu, B. et al. Rhizosphere priming effects on soil carbon and nitrogen mineralization. Soil Biol. Biochem. 76, 183–192 (2014).

    CAS 
    Article 

    Google Scholar 

  • Wang, X., Tang, C., Severi, J., Butterly, C. R. & Baldock, J. A. Rhizosphere priming effect on soil organic carbon decomposition under plant species differing in soil acidification and root exudation. New Phytol. 211, 864–873 (2016).

    CAS 
    PubMed 
    Article 

    Google Scholar 

  • Henry, A., Doucette, W., Norton, J. & Bugbee, B. Changes in crested wheatgrass root exudation caused by flood, drought, and nutrient stress. J. Environ. Qual. 36, 904–912 (2007).

    CAS 
    PubMed 
    Article 

    Google Scholar 

  • Calvo, O. C. et al. Atmospheric CO2 enrichment and drought stress modify root exudation of barley. Glob. Change Biol. 23, 1292–1304 (2017).

    ADS 
    Article 

    Google Scholar 

  • Bais, H. P., Weir, T. L., Perry, L. G., Gilroy, S. & Vivanco, J. M. The role of root exudates in rhizosphere interactions with plants and other organisms. Annu. Rev. Plant Biol. 57, 233–266 (2006).

    CAS 
    PubMed 
    Article 

    Google Scholar 

  • Naylor, D. & Coleman-Derr, D. Drought stress and root-associated bacterial communities. Front. Plant Sci. 8, 2223 (2018).

    PubMed 
    PubMed Central 
    Article 

    Google Scholar 

  • Karst, J., Gaster, J., Wiley, E. & Landhäusser, S. M. Stress differentially causes roots of tree seedlings to exude carbon. Tree Physiol. 37, 154–164 (2017).

    CAS 
    PubMed 

    Google Scholar 

  • Preece, C., Farré-Armengol, G., Llusià, J. & Peñuelas, J. Thirsty tree roots exude more carbon. Tree Physiol. 38, 690–695 (2018).

    CAS 
    PubMed 
    Article 

    Google Scholar 

  • Brunner, I., Herzog, C., Dawes, M. A., Arend, M. & Sperisen, C. How tree roots respond to drought. Front. Plant Sci. 6, 547 (2015).

    PubMed 
    PubMed Central 
    Article 

    Google Scholar 

  • Gargallo-Garriga, A. et al. Root exudate metabolomes change under drought and show limited capacity for recovery. Sci. Rep. 8, 12696 (2018).

    ADS 
    PubMed 
    PubMed Central 
    Article 
    CAS 

    Google Scholar 

  • Muller, B. et al. Water deficits uncouple growth from photosynthesis, increase C content, and modify the relationships between C and growth in sink organs. J. Exp. Bot. 62, 1715–1729 (2011).

    CAS 
    PubMed 
    Article 

    Google Scholar 

  • Dong, X., Patton, J., Wang, G., Nyren, P. & Peterson, P. Effect of drought on biomass allocation in two invasive and two native grass species dominating the mixed-grass prairie. Grass Forage Sci. 69, 160–166 (2014).

    Article 

    Google Scholar 

  • Sevanto, S. & Dickman, L. T. Where does the carbon go?—Plant carbon allocation under climate change. Tree Physiol. 35, 581–584 (2015).

    CAS 
    PubMed 
    Article 

    Google Scholar 

  • Qi, Y., Wei, W., Chen, C. & Chen, L. Plant root-shoot biomass allocation over diverse biomes: A global synthesis. Glob. Ecol. Conserv. 18, e00606 (2019).

    Article 

    Google Scholar 

  • Ruehr, N. K., Grote, R., Mayr, S. & Arneth, A. Beyond the extreme: Recovery of carbon and water relations in woody plants following heat and drought stress. Tree Physiol. 39, 1285–1299 (2019).

    CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 

  • Farrar, J. & Jones, D. The control of carbon acquisition by roots. New Phytol. 147, 43–53 (2000).

    CAS 
    Article 

    Google Scholar 

  • Prescott, C. E. et al. Surplus carbon drives allocation and plant-soil interactions. Trends Ecol. Evol. 35, 1110–1118 (2020).

    PubMed 
    Article 

    Google Scholar 

  • Costello, D. Important species of the major forage types in Colorado and Wyoming. Ecol. Monogr. 14, 107–134 (1944).

    Article 

    Google Scholar 

  • Hunt, H. W. et al. Simulation model for the effects of climate change on temperate grassland ecosystems. Ecol. Model. 53, 205–246 (1991).

    Article 

    Google Scholar 

  • Follett, R. F., Stewart, C. E., Pruessner, E. G. & Kimble, J. M. Effects of climate change on soil carbon and nitrogen storage in the US Great Plains. J. Soil Water Conserv. 67, 331–342 (2012).

    Article 

    Google Scholar 

  • Belovsky, G. E. & Slade, J. B. Climate change and primary production: Forty years in a bunchgrass prairie. PLoS ONE 15, e0243496 (2020).

    CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 

  • Kuzyakov, Y. & Domanski, G. Carbon input by plants into the soil. Review. J. Plant Nutr. Soil Sci. 163, 421–431 (2000).

    CAS 
    Article 

    Google Scholar 

  • Knapp, A. K. & Smith, M. D. Variation among biomes in temporal dynamics of aboveground primary production. Science 291, 481–484 (2001).

    ADS 
    CAS 
    PubMed 
    Article 

    Google Scholar 

  • Peng, J., Dong, W., Yuan, W. & Zhang, Y. Responses of grassland and forest to temperature and precipitation changes in Northeast China. Adv. Atmos. Sci. 29, 1063–1077 (2012).

    Article 

    Google Scholar 

  • Porras-Alfaro, A., Herrera, J., Natvig, D. O. & Sinsabaugh, R. L. Effect of long-term nitrogen fertilization on mycorrhizal fungi associated with a dominant grass in a semiarid grassland. Plant Soil 296, 65–75 (2007).

    CAS 
    Article 

    Google Scholar 

  • Bokhari, U. G., Coleman, D. C. & Rubink, A. Chemistry of root exudates and rhizosphere soils of prairie plants. Can. J. Bot. 57, 1473–1477 (1979).

    CAS 
    Article 

    Google Scholar 

  • Dormaar, J. F., Tovell, B. C. & Willms, W. D. Fingerprint composition of seedling root exudates of selected grasses. Rangel. Ecol. Manag. J. Range Manag. Arch. 55, 420–423 (2002).

    Google Scholar 

  • Harris, S. A. Grasses (Reaktion Books, 2014).

    Google Scholar 

  • Hoffman, A. M., Bushey, J. A., Ocheltree, T. W. & Smith, M. D. Genetic and functional variation across regional and local scales is associated with climate in a foundational prairie grass. New Phytol. 227, 352–364 (2020).

    PubMed 
    Article 

    Google Scholar 

  • Gould, F. W. Grasses of the southwestern United States. (1951).

  • Smith, S. E., Haferkamp, M. R. & Voigt, P. W. Gramas. in Warm-Season (C4) Grasses 975–1002 (Wiley, 2004). https://doi.org/10.2134/agronmonogr45.c30.

  • Jackson, R. D., Paine, L. K. & Woodis, J. E. Persistence of native C4 grasses under high-intensity, short-duration summer bison grazing in the eastern tallgrass prairie. Restor. Ecol. 18, 65–73 (2010).

    Article 

    Google Scholar 

  • Kim, S., Williams, A., Kiniry, J. R. & Hawkes, C. V. Simulating diverse native C4 perennial grasses with varying rainfall. J. Arid Environ. 134, 97–103 (2016).

    ADS 
    Article 

    Google Scholar 

  • Sala, A., Fouts, W. & Hoch, G. Carbon storage in trees: Does relative carbon supply decrease with tree size? In Size-and age-related changes in tree structure and function 287–306 (Springer, 2011).

  • Badri, D. V. & Vivanco, J. M. Regulation and function of root exudates. Plant Cell Environ. 32, 666–681 (2009).

    CAS 
    PubMed 
    Article 

    Google Scholar 

  • Yin, H. et al. Enhanced root exudation stimulates soil nitrogen transformations in a subalpine coniferous forest under experimental warming. Glob. Change Biol. 19, 2158–2167 (2013).

    ADS 
    Article 

    Google Scholar 

  • Drigo, B. et al. Shifting carbon flow from roots into associated microbial communities in response to elevated atmospheric CO2. Proc. Natl. Acad. Sci. 107, 10938–10942 (2010).

    ADS 
    CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 

  • Eisenhauer, N. et al. Root biomass and exudates link plant diversity with soil bacterial and fungal biomass. Sci. Rep. 7, 1–8 (2017).

    CAS 
    Article 

    Google Scholar 

  • Karlowsky, S. et al. Drought-induced accumulation of root exudates supports post-drought recovery of microbes in mountain grassland. Front. Plant Sci. 9, 1593 (2018).

    PubMed 
    PubMed Central 
    Article 

    Google Scholar 

  • Zwetsloot, M. J., Kessler, A. & Bauerle, T. L. Phenolic root exudate and tissue compounds vary widely among temperate forest tree species and have contrasting effects on soil microbial respiration. New Phytol. 218, 530–541 (2018).

    CAS 
    PubMed 
    Article 

    Google Scholar 

  • Zhen, W. & Schellenberg, M. P. Drought and N addition in the greenhouse experiment: blue grama and western wheatgrass. J. Agric. Sci. Technol. B 2, 29–37 (2012).

    Google Scholar 

  • Bahn, M. et al. Responses of belowground carbon allocation dynamics to extended shading in mountain grassland. New Phytol. 198, 116–126 (2013).

    CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 

  • Allen, M. F., Smith, W. K., Moore, T. S. & Christensen, M. Comparative water relations and photosynthesis of mycorrhizal and non-mycorrhizal bouteloua gracilis hbk lag ex steud. New Phytol. 88, 683–693 (1981).

    Article 

    Google Scholar 

  • Weaver, J. E. Summary and interpretation of underground development in natural grassland communities. Ecol. Monogr. 28, 55–78 (1958).

    Article 

    Google Scholar 

  • Carvalhais, L. C. et al. Linking plant nutritional status to plant-microbe interactions. PLoS ONE 8, e68555 (2013).

    ADS 
    CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 

  • Dignac, M.-F. & Rumpel, C. Organic matter stabilization and ecosystem functions: proceedings of the fourth conference on the mechanisms of organic matter stabilization and destabilization (SOM-2010, Presqu’île de Giens, France). Biogeochemistry 112, 1–6 (2013).

    Article 

    Google Scholar 

  • Slama, I., Abdelly, C., Bouchereau, A., Flowers, T. & Savouré, A. Diversity, distribution and roles of osmoprotective compounds accumulated in halophytes under abiotic stress. Ann. Bot. 115, 433–447 (2015).

    CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 

  • Khaleghi, A. et al. Morphological, physiochemical and antioxidant responses of Maclura pomifera to drought stress. Sci. Rep. 9, 19250 (2019).

    ADS 
    CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 

  • de Werra, P., Péchy-Tarr, M., Keel, C. & Maurhofer, M. Role of gluconic acid production in the regulation of biocontrol traits of pseudomonas fluorescens CHA0. Appl. Environ. Microbiol. 75, 4162–4174 (2009).

    ADS 
    PubMed 
    PubMed Central 
    Article 
    CAS 

    Google Scholar 

  • Vyas, P. & Gulati, A. Organic acid production in vitro and plant growth promotion in maize under controlled environment by phosphate-solubilizing fluorescent Pseudomonas. BMC Microbiol. 9, 174 (2009).

    PubMed 
    PubMed Central 
    Article 
    CAS 

    Google Scholar 

  • Pang, Z. et al. Differential response to warming of the uptake of nitrogen by plant species in non-degraded and degraded alpine grasslands. J. Soils Sediments 19, 2212–2221 (2019).

    CAS 
    Article 

    Google Scholar 

  • Blum, A. & Ebercon, A. Genotypic responses in sorghum to drought stress. III. Free proline accumulation and drought resistance1. Crop Sci. 16, 428–431 (1976).

    CAS 
    Article 

    Google Scholar 

  • Verbruggen, N. & Hermans, C. Proline accumulation in plants: a review. Amino Acids 35, 753–759 (2008).

    CAS 
    PubMed 
    Article 

    Google Scholar 

  • Chun, S. C., Paramasivan, M. & Chandrasekaran, M. Proline accumulation influenced by osmotic stress in arbuscular mycorrhizal symbiotic plants. Front. Microbiol. 9, 2525 (2018).

    PubMed 
    PubMed Central 
    Article 

    Google Scholar 

  • Fu, Y., Ma, H., Chen, S., Gu, T. & Gong, J. Control of proline accumulation under drought via a novel pathway comprising the histone methylase CAU1 and the transcription factor ANAC055. J. Exp. Bot. 69, 579–588 (2018).

    CAS 
    PubMed 
    Article 

    Google Scholar 

  • Dien, D. C., Mochizuki, T. & Yamakawa, T. Effect of various drought stresses and subsequent recovery on proline, total soluble sugar and starch metabolisms in Rice (Oryza sativa L.) varieties. Plant Prod. Sci. 22, 530–545 (2019).

    CAS 
    Article 

    Google Scholar 

  • Traoré, O., Groleau-Renaud, V., Plantureux, S., Tubeileh, A. & Boeuf-Tremblay, V. Effect of root mucilage and modelled root exudates on soil structure. Eur. J. Soil Sci. 51, 575–581 (2000).

    Google Scholar 

  • Harun, S., Abdullah-Zawawi, M.-R., A-Rahman, M. R. A., Muhammad, N. A. N. & Mohamed-Hussein, Z.-A. SuCComBase: A manually curated repository of plant sulfur-containing compounds. Database J. Biol. Databases Curation 219, 21 (2019).

    Google Scholar 

  • Steinauer, K., Chatzinotas, A. & Eisenhauer, N. Root exudate cocktails: the link between plant diversity and soil microorganisms?. Ecol. Evol. 6, 7387–7396 (2016).

    PubMed 
    PubMed Central 
    Article 

    Google Scholar 

  • Kraus, T. E. C., Dahlgren, R. A. & Zasoski, R. J. Tannins in nutrient dynamics of forest ecosystems—A review. Plant Soil 256, 41–66 (2003).

    CAS 
    Article 

    Google Scholar 

  • Madritch, M., Cavender-Bares, J., Hobbie, S. E. & Townsend, P. A. Linking foliar traits to belowground processes. In Remote Sensing of Plant Biodiversity (eds Cavender-Bares, J. et al.) 173–197 (Springer, 2020). https://doi.org/10.1007/978-3-030-33157-3_8.

    Chapter 

    Google Scholar 

  • Shaw, L. J., Morris, P. & Hooker, J. E. Perception and modification of plant flavonoid signals by rhizosphere microorganisms. Environ. Microbiol. 8, 1867–1880 (2006).

    CAS 
    PubMed 
    Article 

    Google Scholar 

  • Ray, S. et al. Modulation in phenolic root exudate profile of Abelmoschus esculentus expressing activation of defense pathway. Microbiol. Res. 207, 100–107 (2018).

    CAS 
    PubMed 
    Article 

    Google Scholar 

  • Walker, T. S., Bais, H. P., Grotewold, E. & Vivanco, J. M. Root exudation and rhizosphere biology. Plant Physiol. 132, 44–51 (2003).

    CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 

  • Popa, V. I., Dumitru, M., Volf, I. & Anghel, N. Lignin and polyphenols as allelochemicals. Ind. Crops Prod. 27, 144–149 (2008).

    CAS 
    Article 

    Google Scholar 

  • Badri, D. V., Chaparro, J. M., Zhang, R., Shen, Q. & Vivanco, J. M. Application of natural blends of phytochemicals derived from the root exudates of Arabidopsis to the soil reveal that phenolic-related compounds predominantly modulate the soil microbiome. J. Biol. Chem. 288, 4502–4512 (2013).

    CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 

  • el Haichar, F. Z., Santaella, C., Heulin, T. & Achouak, W. Root exudates mediated interactions belowground. Soil Biol. Biochem. 77, 69–80 (2014).

    CAS 
    Article 

    Google Scholar 

  • Northup, R. R., Yu, Z., Dahlgren, R. A. & Vogt, K. A. Polyphenol control of nitrogen release from pine litter. Nature 377, 227 (1995).

    ADS 
    CAS 
    Article 

    Google Scholar 

  • Schmidt-Rohr, K., Mao, J.-D. & Olk, D. Nitrogen-bonded aromatics in soil organic matter and their implications for a yield decline in intensive rice cropping. Proc. Natl. Acad. Sci. 101, 6351–6354 (2004).

    ADS 
    CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 

  • Salminen, J. & Karonen, M. Chemical ecology of tannins and other phenolics: We need a change in approach. Funct. Ecol. 25, 325–338 (2011).

    Article 

    Google Scholar 

  • Ghanbary, E. et al. Drought and pathogen effects on survival, leaf physiology, oxidative damage, and defense in two middle eastern oak species. Forests 12, 247 (2021).

    Article 

    Google Scholar 

  • Baetz, U. & Martinoia, E. Root exudates: the hidden part of plant defense. Trends Plant Sci. 19, 90–98 (2014).

    CAS 
    PubMed 
    Article 

    Google Scholar 

  • Fan, T.W.-M., Lane, A. N., Pedler, J., Crowley, D. & Higashi, R. M. Comprehensive analysis of organic ligands in whole root exudates using nuclear magnetic resonance and gas chromatography–mass spectrometry. Anal. Biochem. 251, 57–68 (1997).

    CAS 
    PubMed 
    Article 

    Google Scholar 

  • Qiao, M. et al. Analysis of the phenolic compounds in root exudates produced by a subalpine coniferous species as responses to experimental warming and nitrogen fertilisation. Chem. Ecol. 30, 555–565 (2014).

    Article 
    CAS 

    Google Scholar 

  • Hussein, R. A. & El-Anssary, A. A. Plants Secondary Metabolites: The Key Drivers of the Pharmacological Actions of Medicinal Plants. Herbal Medicine (IntechOpen, 2018). https://doi.org/10.5772/intechopen.76139.

  • Oburger, E. & Jones, D. L. Sampling root exudates–mission impossible?. Rhizosphere 6, 116–133 (2018).

    Article 

    Google Scholar 

  • Vives-Peris, V., de Ollas, C., Gómez-Cadenas, A. & Pérez-Clemente, R. M. Root exudates: From plant to rhizosphere and beyond. Plant Cell Rep. 39, 3–17 (2020).

    CAS 
    PubMed 
    Article 

    Google Scholar 

  • Chaparro, J. M., Badri, D. V. & Vivanco, J. M. Rhizosphere microbiome assemblage is affected by plant development. ISME J. 8, 790–803 (2014).

    CAS 
    PubMed 
    Article 

    Google Scholar 

  • Mönchgesang, S. et al. Natural variation of root exudates in Arabidopsis thaliana-linking metabolomic and genomic data. Sci. Rep. 6, 1–1 (2016).

    Article 
    CAS 

    Google Scholar 

  • Sandnes, A., Eldhuset, T. D. & Wollebæk, G. Organic acids in root exudates and soil solution of Norway spruce and silver birch. Soil Biol. Biochem. 37, 259–269 (2005).

    CAS 
    Article 

    Google Scholar 

  • Prescott, C. E. & Grayston, S. J. Tree species influence on microbial communities in litter and soil: Current knowledge and research needs. For. Ecol. Manag. 309, 19–27 (2013).

    Article 

    Google Scholar 

  • Miao, Y., Lv, J., Huang, H., Cao, D. & Zhang, S. Molecular characterization of root exudates using Fourier transform ion cyclotron resonance mass spectrometry. J. Environ. Sci. 98, 22–30 (2020).

    Article 

    Google Scholar 

  • Grayston, S. J., Vaughan, D. & Jones, D. Rhizosphere carbon flow in trees, in comparison with annual plants: The importance of root exudation and its impact on microbial activity and nutrient availability. Appl. Soil Ecol. 5, 29–56 (1997).

    Article 

    Google Scholar 

  • Phillips, R. P., Erlitz, Y., Bier, R. & Bernhardt, E. S. New approach for capturing soluble root exudates in forest soils. Funct. Ecol. 22, 990–999 (2008).

    Article 

    Google Scholar 

  • Ulrich, D. E. M., Sevanto, S., Peterson, S., Ryan, M. & Dunbar, J. Effects of soil microbes on functional traits of loblolly pine (Pinus taeda) seedling families from contrasting climates. Front. Plant Sci. 10, 1643 (2020).

    PubMed 
    PubMed Central 
    Article 

    Google Scholar 

  • Preece, C., Farré-Armengol, G., Llusià, J. & Peñuelas, J. Thirsty tree roots exude more carbon. Tree Physiol https://doi.org/10.1093/treephys/tpx163 (2018).

    Article 
    PubMed 

    Google Scholar 

  • Nguyen, C. Rhizodeposition of organic C by plants: Mechanisms and controls. Agronomie 23, 375–396 (2003).

    CAS 
    Article 

    Google Scholar 

  • Viant, M. R. & Sommer, U. Mass spectrometry based environmental metabolomics: A primer and review. Metabolomics 9, 144–158 (2013).

    CAS 
    Article 

    Google Scholar 

  • Fiehn, O. Metabolomics by gas chromatography–mass spectrometry: Combined targeted and untargeted profiling. Curr. Protoc. Mol. Biol. 114, 30.4.1-30.4.32 (2016).

    Article 

    Google Scholar 

  • Hiller, K. et al. MetaboliteDetector: comprehensive analysis tool for targeted and nontargeted GC/MS based metabolome analysis. Anal. Chem. 81, 3429–3439 (2009).

    CAS 
    PubMed 
    Article 

    Google Scholar 

  • Kind, T. et al. FiehnLib: Mass spectral and retention index libraries for metabolomics based on quadrupole and time-of-flight gas chromatography/mass spectrometry. Anal. Chem. 81, 10038–10048 (2009).

    CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 

  • Delaglio, F. et al. NMRPipe: A multidimensional spectral processing system based on UNIX pipes. J. Biomol. NMR 6, 277–293 (1995).

    CAS 
    PubMed 
    Article 

    Google Scholar 

  • Ulrich, E. L. et al. BioMagResBank. Nucleic Acids Res. 36, D402–D408 (2008).

    CAS 
    PubMed 
    Article 

    Google Scholar 

  • Dittmar, T., Koch, B., Hertkorn, N. & Kattner, G. A simple and efficient method for the solid-phase extraction of dissolved organic matter (SPE-DOM) from seawater. Limnol. Oceanogr. Methods 6, 230–235 (2008).

    CAS 
    Article 

    Google Scholar 

  • Tfaily, M. M., Hodgkins, S., Podgorski, D. C., Chanton, J. P. & Cooper, W. T. Comparison of dialysis and solid-phase extraction for isolation and concentration of dissolved organic matter prior to Fourier transform ion cyclotron resonance mass spectrometry. Anal. Bioanal. Chem. 404, 447–457 (2012).

    CAS 
    PubMed 
    Article 

    Google Scholar 

  • Tolić, N. et al. Formularity: Software for automated formula assignment of natural and other organic matter from ultrahigh-resolution mass spectra. Anal. Chem. 89, 12659–12665 (2017).

    PubMed 
    Article 
    CAS 

    Google Scholar 

  • Hothorn, T., Bretz, F. & Westfall, P. Simultaneous inference in general parametric models. Biom. J. 50, 346–363 (2008).

    MathSciNet 
    PubMed 
    MATH 
    Article 

    Google Scholar 

  • Pang, Z. et al. MetaboAnalyst 5.0: Narrowing the gap between raw spectra and functional insights. Nucleic Acids Res. 49, W388–W396 (2021).

    CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 

  • Tfaily, M. M. et al. Vertical stratification of peat pore water dissolved organic matter composition in a peat bog in Northern Minnesota. J. Geophys. Res. Biogeosci. 123, 479–494 (2018).

    CAS 
    Article 

    Google Scholar 

  • Van Krevelen, D. Graphical-statistical method for the study of structure and reaction processes of coal. Fuel 29, 269–284 (1950).

    Google Scholar 

  • Pett-Ridge, J. et al. Rhizosphere carbon turnover from cradle to grave: The role of microbe–plant interactions. in Rhizosphere Biology: Interactions Between Microbes and Plants 51–73 (Springer, 2021).

  • Kuo, Y.-H., Lambein, F., Ikegami, F. & Parijs, R. V. Isoxazolin-5-ones and amino acids in root exudates of pea and sweet pea seedlings. Plant Physiol. 70, 1283–1289 (1982).

    CAS 
    PubMed 
    PubMed Central 
    Article 

    Google Scholar 

  • Yoon, M.-Y. et al. Antifungal activity of benzoic acid from bacillus subtilis GDYA-1 against fungal phytopathogens. Res. Plant Dis. 18, 109–116 (2012).

    CAS 
    Article 

    Google Scholar 

  • Neumann, G. et al. Root exudation and root development of lettuce (Lactuca sativa L. cv. Tizian) as affected by different soils. Front. Microbiol. 5, 2 (2014).

    CAS 
    PubMed 
    PubMed Central 

    Google Scholar 

  • Servillo, L. et al. Betaines and related ammonium compounds in chestnut (Castanea sativa Mill.). Food Chem. 196, 1301–1309 (2016).

    CAS 
    PubMed 
    Article 

    Google Scholar 

  • Guo, J. The influence of tall fescue cultivar and endophyte status on root exudate chemistry and rhizosphere processes. (2014).

  • Loewus, F. A. & Murthy, P. P. N. myo-Inositol metabolism in plants. Plant Sci. 150, 1–19 (2000).

    CAS 
    Article 

    Google Scholar 

  • Valluru, R. & Van den Ende, W. Myo-inositol and beyond—Emerging networks under stress. Plant Sci. 181, 387–400 (2011).

    CAS 
    PubMed 
    Article 

    Google Scholar 

  • Allard-Massicotte, R. et al. Bacillus subtilis early colonization of Arabidopsis thaliana roots involves multiple chemotaxis receptors. MBio 7, e01664-16 (2016).

    PubMed 
    PubMed Central 
    Article 

    Google Scholar 

  • Muthuramalingam, P. et al. Global analysis of threonine metabolism genes unravel key players in rice to improve the abiotic stress tolerance. Sci. Rep. 8, 9270 (2018).

    ADS 
    PubMed 
    PubMed Central 
    Article 
    CAS 

    Google Scholar 

  • Chahed, A. et al. The rare sugar tagatose differentially inhibits the growth of Phytophthora infestans and Phytophthora cinnamomi by interfering with mitochondrial processes. Front. Microbiol. 11, 128 (2020).

    PubMed 
    PubMed Central 
    Article 

    Google Scholar 

  • Mochizuki, S. et al. The rare sugar d-tagatose protects plants from downy mildews and is a safe fungicidal agrochemical. Commun. Biol. 3, 1–15 (2020).

    Article 
    CAS 

    Google Scholar 

  • Chapin III, F. S. The cost of tundra plant structures: evaluation of concepts and currencies. The American Naturalist, 133(1), 1–19 (1989).


  • Source: Ecology - nature.com

    Wastewater is a robust proxy for monitoring circulating SARS-CoV-2 variants

    Ecological memory of prior nutrient exposure in the human gut microbiome