4.7 Article

Maize root exudate composition alters rhizosphere bacterial community to control hotspots of hydrolase activity in response to nitrogen supply

Related references

Note: Only part of the references are listed.
Article Agronomy

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

Lucy M. Greenfield et al.

Summary: Protein input from roots is a key source of nitrogen in soil, but factors regulating protein breakdown in the rhizosphere are limited. Root exudates promote microbial growth and enzyme production, with root morphology like root hairs enhancing this process. The interaction between protein addition and root morphology can lead to increased microbial and plant access to protein hotspots in the soil.

RHIZOSPHERE (2021)

Article Microbiology

Coexistence patterns of soil methanogens are closely tied to methane generation and community assembly in rice paddies

Dong Li et al.

Summary: The study reveals that the coexistence patterns of soil methanogens are closely linked to their functional significance, with common coexistence potentially contributing more than species diversity to soil functions; furthermore, the assembly pattern of commonly coexisting taxa shows a similar 30% determinism and similar 70% stochasticity, while a higher proportion of stochasticity (93 to 99%) characterizes the assembly of endemically coexisting taxa.

MICROBIOME (2021)

Article Environmental Sciences

Climate warming enhances microbial network complexity and stability

Mengting Maggie Yuan et al.

Summary: The authors studied the impact of long-term experimental warming on the complexity and stability of molecular ecological networks in grassland soil microbial communities. The results show that warming increased network complexity and stability, emphasizing the importance of preserving microbial interactions for ecosystem management in the face of climate change.

NATURE CLIMATE CHANGE (2021)

Review Microbiology

Bridging Microbial Functional Traits With Localized Process Rates at Soil Interfaces

Evgenia Blagodatskaya et al.

Summary: This review discusses microbially-mediated soil processes, the central role of the rhizosphere in interactions with biogeochemical interfaces, and the applicability of three groups of traits to reflect microbial growth in soil. It emphasizes the impact of environmental conditions on microbial functional traits and addresses the challenges in modeling microbially-mediated processes in heterogeneous soil microhabitats. The review also introduces a conceptual self-regulatory mechanism based on the flexible structure of active microbial communities, where dominant taxa and microbial strategies are selected and driven by the local environment.

FRONTIERS IN MICROBIOLOGY (2021)

Article Agronomy

Interactive regulation of root exudation and rhizosphere denitrification by plant metabolite content and soil properties

Daniel Maurer et al.

Summary: Root exudates play a significant role in shaping rhizosphere denitrification, with factors such as plant species, soil type, soil moisture, and root exudation medium influencing the quantity and quality of exudates; the interaction between soil properties and plant metabolism effects on root exudation largely control rhizosphere denitrification activity.

PLANT AND SOIL (2021)

Article Soil Science

Intercropping and N application enhance soil dissolved organic carbon concentration with complicated chemical composition

Ding Wang et al.

Summary: The study found that nitrogen application increases soil DOC concentration with a quadratic relationship, and intercropping leads to higher DOC concentration and accumulation compared to monocropping. Nitrogen application also promotes the contents of amines and aromatic compounds in soil DOC, contributing to the improvement of humification and aromatization in soil.

SOIL & TILLAGE RESEARCH (2021)

Article Soil Science

Root and mycorrhizal strategies for nutrient acquisition in forests under nitrogen deposition: A meta-analysis

Xiaomin Ma et al.

Summary: In response to nitrogen deposition, both arbuscular mycorrhizal (AM) and ectomycorrhizal (EM) trees decrease their allocation of energy to mycorrhizal symbioses and rely more on fine roots for nutrient acquisition. AM trees exhibit faster growth and a significant increase in acid phosphatase activity compared to EM trees under nitrogen deposition, suggesting they possess greater advantages in root morphology and phosphatase activity and are better adapted to high nitrogen deposition.

SOIL BIOLOGY & BIOCHEMISTRY (2021)

Article Plant Sciences

Plant flavones enrich rhizosphere Oxalobacteraceae to improve maize performance under nitrogen deprivation

Peng Yu et al.

Summary: This study elucidates the genetic basis of the reciprocal interactions between root architecture and specific microbial communities in the rhizosphere, leading to improved plant performance. It also highlights the role of root-derived flavones in promoting the enrichment of beneficial bacterial taxa.

NATURE PLANTS (2021)

Review Soil Science

On inorganic N uptake by vascular plants: Can 15N tracer techniques resolve the NH4+ versus NO3- preference conundrum?

Phillip Chalk et al.

Summary: The relative uptake of ammonium (NH4+) and nitrate (NO3-) by plants has been widely studied, but there is still debate on how to measure plant preference for these nitrogen forms. Techniques such as unlabelled sources, N-15-enrichment, and N-15 natural abundance have been used, but each has its limitations and challenges in accurately determining plant uptake preferences. It is suggested that plants exhibit flexibility or plasticity in nitrogen form acquisition rather than strict preference.

EUROPEAN JOURNAL OF SOIL SCIENCE (2021)

Article Soil Science

Rare microbial taxa rather than phoD gene abundance determine hotspots of alkaline phosphomonoesterase activity in the karst rhizosphere soil

Shuang Liu et al.

Summary: The spatial distribution of alkaline phosphomonoesterase (ALP) activity and related microbial communities in the rhizosphere and bulk soil of different plants in karst soil varied, with positive correlation between ALP activity and abundance of Azotobacter but negative correlation with phoD gene abundance, microbial community richness, and diversity. These findings highlight the importance of specific phoD-harboring microorganisms in nutrient cycling, particularly in phosphorus-limited karst soils, with free-living N-2-fixing bacteria potentially promoting ALP activity.

BIOLOGY AND FERTILITY OF SOILS (2021)

Article Soil Science

Legacy effects of 8-year nitrogen inputs on bacterial assemblage in wheat rhizosphere

Wenbo Liu et al.

BIOLOGY AND FERTILITY OF SOILS (2020)

Article Soil Science

Increased contribution of root exudates to soil carbon input during grassland degradation

Xing Shen et al.

SOIL BIOLOGY & BIOCHEMISTRY (2020)

Article Ecology

Soil organic matter content and crop yield

Rattan Lal

JOURNAL OF SOIL AND WATER CONSERVATION (2020)

Review Ecology

A plant perspective on nitrogen cycling in the rhizosphere

Delphine Moreau et al.

FUNCTIONAL ECOLOGY (2019)

Review Soil Science

Rhizosphere size and shape: Temporal dynamics and spatial stationarity

Yakov Kuzyakov et al.

SOIL BIOLOGY & BIOCHEMISTRY (2019)

Article Soil Science

Spatial pattern of enzyme activities depends on root exudate composition

Xuechen Zhang et al.

SOIL BIOLOGY & BIOCHEMISTRY (2019)

Article Biochemical Research Methods

Identification of spoilage by Alicyclobacillus bacteria in tomato-based products by UHPLC-MS/MS

Emanuela Cocconi et al.

JOURNAL OF MASS SPECTROMETRY (2018)

Review Plant Sciences

Feed Your Friends: Do Plant Exudates Shape the Root Microbiome?

Joelle Sasse et al.

TRENDS IN PLANT SCIENCE (2018)

Article Biodiversity Conservation

Costimulation of soil glycosidase activity and soil respiration by nitrogen addition

Ji Chen et al.

GLOBAL CHANGE BIOLOGY (2017)

Article Plant Sciences

Metabolite profiling of non-sterile rhizosphere soil

Pierre Petriacq et al.

PLANT JOURNAL (2017)

Article Soil Science

Estimating decay dynamics for enzyme activities in soils from different ecosystems

Joshua Schimel et al.

SOIL BIOLOGY & BIOCHEMISTRY (2017)

Article Multidisciplinary Sciences

Soil networks become more connected and take up more carbon as nature restoration progresses

Elly Morrien et al.

NATURE COMMUNICATIONS (2017)

Article Soil Science

Rhizosphere shape of lentil and maize: Spatial distribution of enzyme activities

Bahar S. Razavi et al.

SOIL BIOLOGY & BIOCHEMISTRY (2016)

Article Microbiology

Exploiting rRNA operon copy number to investigate bacterial reproductive strategies

Benjamin R. K. Roller et al.

NATURE MICROBIOLOGY (2016)

Review Ecology

The application of ecological stoichiometry to plant-microbial-soil organic matter transformations

Sophie Zechmeister-Boltenstern et al.

ECOLOGICAL MONOGRAPHS (2015)

Article Multidisciplinary Sciences

Consistent responses of soil microbial communities to elevated nutrient inputs in grasslands across the globe

Jonathan W. Leff et al.

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA (2015)

Review Soil Science

Microbial hotspots and hot moments in soil: Concept & review

Yakov Kuzyakov et al.

SOIL BIOLOGY & BIOCHEMISTRY (2015)

Article Environmental Sciences

Extracellular enzyme kinetics scale with resource availability

Robert L. Sinsabaugh et al.

BIOGEOCHEMISTRY (2014)

Review Environmental Sciences

Image processing of multiphase images obtained via X- ray microtomography: A review

Steffen Schlueter et al.

WATER RESOURCES RESEARCH (2014)

Article Biochemical Research Methods

UPARSE: highly accurate OTU sequences from microbial amplicon reads

Robert C. Edgar

NATURE METHODS (2013)

Review Ecology

Ecoenzymatic Stoichiometry and Ecological Theory

Robert L. Sinsabaugh et al.

ANNUAL REVIEW OF ECOLOGY, EVOLUTION, AND SYSTEMATICS, VOL 43 (2012)

Article Biochemical Research Methods

Molecular ecological network analyses

Ye Deng et al.

BMC BIOINFORMATICS (2012)

Article Multidisciplinary Sciences

Integrated soil-crop system management for food security

Xin-Ping Chen et al.

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA (2011)

Article Biochemistry & Molecular Biology

The Ribosomal Database Project: improved alignments and new tools for rRNA analysis

J. R. Cole et al.

NUCLEIC ACIDS RESEARCH (2009)

Article Ecology

New approach for capturing soluble root exudates in forest soils

Richard P. Phillips et al.

FUNCTIONAL ECOLOGY (2008)

Article Multidisciplinary Sciences

Stability of organic carbon in deep soil layers controlled by fresh carbon supply

Sebastien Fontaine et al.

NATURE (2007)

Article Ecology

Toward an ecological classification of soil bacteria

Noah Fierer et al.

ECOLOGY (2007)

Article Agronomy

Glycosidases in soils as affected by cropping systems

DE Dodor et al.

JOURNAL OF PLANT NUTRITION AND SOIL SCIENCE (2005)

Article Soil Science

Responses of extracellular enzymes to simple and complex nutrient inputs

SD Allison et al.

SOIL BIOLOGY & BIOCHEMISTRY (2005)

Article Plant Sciences

Purification and characterization of β-N-acetylhexosaminidase from maize seedlings

A Oikawa et al.

JOURNAL OF PLANT PHYSIOLOGY (2003)

Article Soil Science

β-glucosidase activity in pasture soils

BL Turner et al.

APPLIED SOIL ECOLOGY (2002)

Article Soil Science

Linking microbial community composition to function in a tropical soil

MP Waldrop et al.

SOIL BIOLOGY & BIOCHEMISTRY (2000)