Positioning absorptive root respiration in the root economics space across woody and herbaceous species

Article Plant Sciences

Positioning absorptive root respiration in the root economics space across woody and herbaceous species

Shuang Liang et al.

Summary: Root respiration rate is positively correlated with specific root length and root nitrogen concentration, and is influenced by root morphology. Fungal colonization is not solely determined by root morphology.

JOURNAL OF ECOLOGY (2023)

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Article Plant Sciences

Interactions among rooting traits for deep water and nitrogen uptake in upland and lowland ecotypes of switchgrass (Panicum virgatum L.)

Marcus Griffiths et al.

Summary: Two main ecotypes of switchgrass have both shared and different root responses to varying water and nitrogen conditions, with deep rooting shown to be closely linked to aboveground growth.

JOURNAL OF EXPERIMENTAL BOTANY (2022)

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Article Biochemical Research Methods

Experimental validation under controlled conditions of real time PCR to quantify arbuscular mycorrhizal colonization in root

Bruna Arruda et al.

Summary: This study compared data from root microscopy with real time PCR technique, and determined the correlation between the two methods, demonstrating a promising system for quick and accurate molecular diagnostic of arbuscular mycorrhization.

JOURNAL OF MICROBIOLOGICAL METHODS (2022)

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Article Multidisciplinary Sciences

PCAtest: testing the statistical significance of Principal Component Analysis in R

Arley Camargo

Summary: Principal Component Analysis (PCA) is a widely used statistical method for ordination and dimensionality reduction of multivariate datasets. In this article, the author introduces the importance of PCA and presents the PCAtest package, which implements permutation-based statistical tests to evaluate the significance of PCA and the contributions of variables to the PC axes. The author encourages R users to routinely apply PCAtest for testing the significance of their PCA before interpreting PC axes and utilizing PC scores in subsequent analyses.

PEERJ (2022)

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Article Plant Sciences

Use of a RT-qPCR Method to Estimate Mycorrhization Intensity and Symbiosis Vitality in Grapevine Plants Inoculated with Rhizophagus irregularis

Morgane Duret et al.

Summary: This study aims to develop an efficient method for assessing the intensity and vitality of mycorrhiza associated with grapevine through gene expression analyses. The results show that gene expression analysis of Ri18S, GintPT and VvPht1.2 can be a rapid and reliable method to evaluate the level of mycorrhization and assess the vitality of AMF.

PLANTS-BASEL (2022)

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Article Plant Sciences

Root exudation as a major competitive fine-root functional trait of 18 coexisting species in a subtropical forest

Lijuan Sun et al.

Summary: Root exudation stimulates microbial decomposition and enhances nutrient availability to plants. It is a competitive trait in a multidimensional fine-root functional coordination. The positive relationship between root exudation and root respiration and N concentration is a promising approach for the future prediction.

NEW PHYTOLOGIST (2021)

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Article Biodiversity Conservation

Linking root respiration to chemistry and morphology across species

Mengguang Han et al.

Summary: This study found that root respiration is positively correlated with root nitrogen concentration and negatively correlated with root tissue density, while the relationships with specific root length and root diameter are weak. The associations between root respiration traits do not completely align with predictions from the root economics spectrum. Principal component analysis reveals that root trait syndrome is multidimensional, with root respiration being more strongly associated with the RNC-RTD axis in woody species.

GLOBAL CHANGE BIOLOGY (2021)

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Article Ecology

Global root traits (GRooT) database

Nathaly R. Guerrero-Ramirez et al.

Summary: Root trait data are essential for understanding plant form and function, yet they are often overlooked in large-scale studies and global models. The Global Root Trait (GRooT) Database was created to address this gap and provide readily available data for the integration of root trait data into large-scale analyses.

GLOBAL ECOLOGY AND BIOGEOGRAPHY (2021)

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Article Plant Sciences

Relative qPCR to quantify colonization of plant roots by arbuscular mycorrhizal fungi

Natacha Bodenhausen et al.

Summary: The study presents a relative qPCR method for quantification of arbuscular mycorrhiza fungi (AMF) in plant roots, showing its reliability and efficacy in discriminating quantitative differences in root colonization. Experimental validation demonstrated the exclusion of plant DNA and amplification of mostly AMF by the primer pair used in the method. The relative qPCR approach is less operator-dependent than traditional microscopy and offers scalability for high-throughput analyses.

MYCORRHIZA (2021)

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Article Plant Sciences

A starting guide to root ecology: strengthening ecological concepts and standardising root classification, sampling, processing and trait measurements

Gregoire T. Freschet et al.

Summary: This handbook aims to improve the standardisation of root trait comparisons and the integration of information across studies by providing controlled vocabularies and methods. It serves as a starting point for students and scientists interested in below-ground ecosystems, and also for experts looking to broaden their understanding of root ecology. The guide also emphasizes the importance of considering ecological context when studying root traits and aims to break down barriers between different subdisciplines of root ecology.

NEW PHYTOLOGIST (2021)

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Article Plant Sciences

Functional phenomics and genetics of the root economics space in winter wheat using high-throughput phenotyping of respiration and architecture

Haichao Guo et al.

Summary: By combining functional phenomics with trait economic theory, we studied the integration of root traits in winter wheat, identifying the importance of specific root respiration and specific root length, as well as genetic regions associated with these traits. This approach improves understanding of crop ecophysiology and provides insights for breeding more efficient crops.

NEW PHYTOLOGIST (2021)

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Article Soil Science

Fine root trait-function relationships affected by mycorrhizal type and climate

Jing Gao et al.

Summary: The study revealed the impact of mycorrhizal types and climate on the relationships between fine root traits and respiration rate. It was found that ectomycorrhizal plants consume more carbon for root tissue structures compared to arbuscular mycorrhizal plants, and in warmer environments, the relationship between specific root length and respiration rate becomes stronger.

GEODERMA (2021)

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Editorial Material Plant Sciences

Filling gaps in our understanding of belowground plant traits across the world: an introduction to a Virtual Issue

Colleen M. Iversen et al.

NEW PHYTOLOGIST (2021)

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Article Ecology

Root traits explain plant species distributions along climatic gradients yet challenge the nature of ecological trade-offs

Daniel C. Laughlin et al.

Summary: Ecological theory is based on trade-offs in trait differences among species, but unidirectional benefits may be more prevalent than previously thought, with extreme trait values providing advantages in certain environments while a wide range of trait values are equally beneficial in others.

NATURE ECOLOGY & EVOLUTION (2021)

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Article Plant Sciences

A multiple ion-uptake phenotyping platform reveals shared mechanisms affecting nutrient uptake by roots

Marcus Griffiths et al.

Summary: It was found that there is substantial genetic variation in maize for multiple ion-uptake rates and specific nutrient uptake rates are positively correlated with specific root respiration, indicating shared mechanisms governing uptake. RNA-seq analysis of maize lines with high and low specific uptake rates identified key regulatory components involved in nutrient uptake. The high-throughput multiple ion-uptake kinetics pipeline will further understanding of nutrient uptake and help identify breeding targets for crops with more efficient nutrient acquisition.

PLANT PHYSIOLOGY (2021)

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Article Geosciences, Multidisciplinary

Global patterns of terrestrial nitrogen and phosphorus limitation

Enzai Du et al.

NATURE GEOSCIENCE (2020)

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Article Plant Sciences

FungalRoot: global online database of plant mycorrhizal associations

Nadejda A. Soudzilovskaia et al.

NEW PHYTOLOGIST (2020)

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Article Multidisciplinary Sciences

The fungal collaboration gradient dominates the root economics space in plants

Joana Bergmann et al.

SCIENCE ADVANCES (2020)

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Article Agronomy

Specific root respiration of three plant species as influenced by storage time and conditions

Zana A. Lak et al.

PLANT AND SOIL (2020)

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Article Biodiversity Conservation

V.PhyloMaker: an R package that can generate very large phylogenies for vascular plants

Yi Jin et al.

ECOGRAPHY (2019)

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Article Multidisciplinary Sciences

Nonlinearity of root trait relationships and the root economics spectrum

Deliang Kong et al.

NATURE COMMUNICATIONS (2019)

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Article Plant Sciences

Physical and Functional Constraints on Viable Belowground Acquisition Strategies

M. Luke McCormack et al.

FRONTIERS IN PLANT SCIENCE (2019)

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Article Plant Sciences

Constructing a broadly inclusive seed plant phylogeny

Stephen A. Smith et al.

AMERICAN JOURNAL OF BOTANY (2018)

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Article Multidisciplinary Sciences

Evolutionary history resolves global organization of root functional traits

Zeqing Ma et al.

NATURE (2018)

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Article Plant Sciences

A global Fine-Root Ecology Database to address below-ground challenges in plant ecology

Colleen M. Iversen et al.

NEW PHYTOLOGIST (2017)

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Article Plant Sciences

Root structure-function relationships in 74 species: evidence of a root economics spectrum related to carbon economy

Catherine Roumet et al.

NEW PHYTOLOGIST (2016)

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Review Plant Sciences

Towards a multidimensional root trait framework: a tree root review

Monique Weemstra et al.

NEW PHYTOLOGIST (2016)

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Article Multidisciplinary Sciences

Root morphology and mycorrhizal symbioses together shape nutrient foraging strategies of temperate trees

Weile Chen et al.

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA (2016)

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Article Ecology

Leaf economics and hydraulic traits are decoupled in five species-rich tropical-subtropical forests

Le Li et al.

ECOLOGY LETTERS (2015)

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Article Plant Sciences

Seasonal variation in mycorrhizal fungi colonizing roots of Allium tricoccum (wild leek) in a mature mixed hardwood forest

Charlotte R. Hewins et al.

MYCORRHIZA (2015)

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Review Plant Sciences

Redefining fine roots improves understanding of below-ground contributions to terrestrial biosphere processes

M. Luke McCormack et al.

NEW PHYTOLOGIST (2015)

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Article Plant Sciences

The world-wide 'fast-slow' plant economics spectrum: a traits manifesto

Peter B. Reich

JOURNAL OF ECOLOGY (2014)

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Article Plant Sciences

Is there an association between root architecture and mycorrhizal growth response?

Hafiz Maherali

NEW PHYTOLOGIST (2014)

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Article Plant Sciences

Leading dimensions in absorptive root trait variation across 96 subtropical forest species

Deliang Kong et al.

NEW PHYTOLOGIST (2014)

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Review Plant Sciences

The mycorrhizal-associated nutrient economy: a new framework for predicting carbon-nutrient couplings in temperate forests

Richard P. Phillips et al.

NEW PHYTOLOGIST (2013)

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Article Forestry

Relationships between root respiration rate and root morphology, chemistry and anatomy in Larix gmelinii and Fraxinus mandshurica

Shuxia Jia et al.

TREE PHYSIOLOGY (2013)

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Article Plant Sciences

Predicting fine root lifespan from plant functional traits in temperate trees

M. Luke McCormack et al.

NEW PHYTOLOGIST (2012)

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Article Agronomy

Root respiration and its relation to nutrient contents in soil and root and EVI among 8 ecosystems, northern China

Wei Wang et al.

PLANT AND SOIL (2010)

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Article Ecology

Scaling of respiration to nitrogen in leaves, stems and roots of higher land plants

Peter B. Reich et al.

ECOLOGY LETTERS (2008)

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Article Plant Sciences

Anatomical traits associated with absorption and mycorrhizal colonization are linked to root branch order in twenty-three Chinese temperate tree species

Dali Guo et al.

NEW PHYTOLOGIST (2008)

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Article Biochemistry & Molecular Biology

Power and limitations of the chloroplast trnL (UAA) intron for plant DNA barcoding

Pierre Taberlet et al.

NUCLEIC ACIDS RESEARCH (2007)

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Article Plant Sciences

Linking leaf and root trait syndromes among 39 grassland and savannah species

MG Tjoelker et al.

NEW PHYTOLOGIST (2005)

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Article Plant Sciences

Assessing the generality of global leaf trait relationships

IJ Wright et al.

NEW PHYTOLOGIST (2005)

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Article Biodiversity Conservation

Modelling respiration of vegetation:: evidence for a general temperature-dependent Q10

MG Tjoelker et al.

GLOBAL CHANGE BIOLOGY (2001)

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Positioning absorptive root respiration in the root economics space across woody and herbaceous species

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