Article
Agriculture, Multidisciplinary
Meiling Man, Bill Deen, Kari E. Dunfield, Claudia Wagner-Riddle, Myrna J. Simpson
Summary: Nitrogen fertilization can alter soil organic matter composition and degradation, with decreased concentrations of certain plant-derived compounds and increased levels of lignin-derived phenols observed in response to nitrogen addition. Different nitrogen rates exert various controls on soil organic matter dynamics, affecting the allocation of carbon and influencing biodegradation processes.
AGRICULTURE ECOSYSTEMS & ENVIRONMENT
(2021)
Review
Plant Sciences
Anzhou Xin, Klaus Herburger
Summary: This article discusses the importance of key polymers in plant cell walls for stress resistance and cell wall strengthening, as well as their applications in industry and daily life. It also highlights the technical bottlenecks in the research on the formation of these polymers and suggests directions for further research and importance.
FRONTIERS IN PLANT SCIENCE
(2021)
Article
Chemistry, Analytical
Yuanyuan He, Arnaud Buch, Cyril Szopa, Amy Williams, Caroline Freissinet, Melissa Guzman, David Boulesteix, Maeva Millan, David Coscia, Jean-Yves Bonnet, Michel Cabane
Summary: The SAM instrument on Curiosity and the MOMA instrument on ExoMars are two of the most important instruments used for the in-situ search for biosignatures of life on Mars. This study focuses on identifying thermochemolysis products and determining optimal temperatures for nucleotide detection using TMAH. Results show that methylated nucleosides can be detected at low abundances at 200 degrees C. These experiments will provide important references for future missions on Mars.
JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
(2023)
Article
Agriculture, Multidisciplinary
Meiling Man, Micaela Tosi, Kari E. Dunfield, David C. Hooker, Myrna J. Simpson
Summary: Different tillage and nitrogen fertilization practices have significant effects on soil carbon dynamics. Conservation tillage increases specific soil organic matter components, such as long-chain acyclic lipids, cyclic lipids, and simple sugars. Conservation tillage also preserves cutin- and suberin-derived compounds, while lignin-derived compounds are lower compared to conventional tillage. The effects of nitrogen fertilization on soil organic matter compounds and fungal community composition are observed only under conventional tillage, suggesting that the control of nitrogen fertilization on soil organic matter dynamics may depend on the type of tillage practices.
AGRICULTURE ECOSYSTEMS & ENVIRONMENT
(2022)
Article
Chemistry, Analytical
Raquel Marques, Michel Sablier, Jaap J. Boon, Gauthier Rose, Leslie Carlyle, Isabel Pombo Cardoso, Laurence De Viguerie
Summary: This study analyzed brown bitumen oil paint reconstructions based on 19th century production records using thermal chemical analysis methods. It found that the asphalt markers in Trinidad Lake asphalt (TLA) were no longer detectable after heat processing, providing a possible explanation for the lack of evidence in previous studies.
MICROCHEMICAL JOURNAL
(2022)
Article
Environmental Sciences
Guodong Sun, Chun Cao, Mengke Wang, Huishan Li, Yinghui Wang, Guisen Deng, Junjian Wang
Summary: This study used biomarkers and solid-state 13C NMR spectroscopy analyses to reveal distinct organic matter (OM) characteristics between Chinese soil and sediment standard reference materials (SRMs), including significantly higher lignin phenol concentrations in sediment OM and a decreasing trend of lignin biomarkers with increasing weathering degree in soil.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Soil Science
Meiling Man, Claudia Wagner-Riddle, Kari E. Dunfield, Bill Deen, Myrna J. Simpson
Summary: Conservation agriculture practices such as conservation tillage and crop rotation can significantly impact the composition and turnover of soil organic matter (OM) at the molecular level. Long-term conservation tillage was found to result in changes in soil OM composition, affecting organic carbon concentrations and molecular-level composition, with microbial degradation and OM inputs from crop residues playing key roles. Additionally, interactions between diverse crop rotations and conservation tillage were found to reduce differences in specific groups of compounds, highlighting potential benefits for agricultural soil management.
SOIL & TILLAGE RESEARCH
(2021)
Article
Plant Sciences
Yi-Feng Hsu, Jiawen Yan, Yu Song, Min Zheng
Summary: Suberin, a lipid polyester barrier, is crucial for plant protection and growth. The study shows that SpGPAT5 can functionally replace AtGPAT5, contributing to plant tolerance to high humidity and assisting in understanding the role of suberin-associated waxes in water retention in S. purpurea pitchers.
PHYSIOLOGIA PLANTARUM
(2021)
Article
Plant Sciences
Rajpal Shetty, Chirappurathu Sukumaran-Nair Vidya, Marieluise Weidinger, Marek Vaculik
Summary: Silicon has been found to enhance the growth and biomass of giant reed plants under antimony toxicity, alleviate the negative effects of antimony on photosynthesis and photosynthetic pigments, and enhance root lignification to restrict antimony translocation. These findings suggest that silicon treatment promotes overall plant growth by improving photosynthetic parameters and decreasing antimony translocation from root to shoot in giant reed.
Article
Biodiversity Conservation
Laura Castaneda-Gomez, Kate Lajtha, Richard Bowden, Fathima Nahidha Mohammed Jauhar, Juan Jia, Xiaojuan Feng, Myrna J. Simpson
Summary: Forest ecosystems as global soil carbon reservoirs are affected by climate change factors that change carbon inputs. This study integrated molecular composition data sets of soil organic matter and microbial communities to investigate the effects of detrital input and removal treatments on forest soil carbon dynamics. The results showed that long-term litter additions did not increase soil carbon content, while litter reductions negatively impacted soil carbon concentrations. This highlights the sensitivity of soil carbon biogeochemistry to changes in litter deposition.
GLOBAL CHANGE BIOLOGY
(2023)
Review
Plant Sciences
Anzhou Xin, Klaus Herburger
Summary: This review emphasizes the importance of understanding the regulation of lignin, suberin and cutin precursor biosynthesis in plants by highlighting knowledge gaps and recent findings on transcription factors. The lack of understanding in regulating the biosynthesis of suberin and cutin impedes efforts to engineer their formation in plants and produce customized biopolymers. The discussion of how to close the remaining knowledge gaps provides insights for future research in this area.
Article
Environmental Sciences
Meiling Man, Derek Pierson, Ricky Chiu, Maryam Tabatabaei Anaraki, Lori VandenEnden, RenXi Ye, Kate Lajtha, Myrna J. Simpson
Summary: Global environmental change is affecting the inputs of plant residues into soil, but how this impacts soil carbon biogeochemistry remains unclear. This study found that different detrital inputs can alter the biogeochemistry and composition of soil organic matter at a molecular level. Above-ground litter has a greater influence on soil carbon cycling than below-ground inputs.
Article
Biochemistry & Molecular Biology
Fakhria M. Razeq, Dylan K. Kosma, Debora Franca, Owen Rowland, Isabel Molina
Summary: Camelina sativa is drought tolerant and requires less fertilizer compared to other oilseed crops. The plant's lipid- and phenolic-based extracellular barriers protect against various stresses. Different plant tissues contain varying compositions of lipid polyesters.
Article
Green & Sustainable Science & Technology
Avnish Kumar, Bijoy Biswas, Komal Saini, Adarsh Kumar, Jitendra Kumar, Bhavya B. Krishna, Thallada Bhaskar
Summary: In the current study, Py-GC/MS analysis was used to characterize the structure and composition of evolving gas from prot lignin. Different catalysts showed significant impact on the type and yield of pyrolysis products, with Co/CeO2 promoting the formation of S-type phenolics at 300 degrees C and Co/TiO2 enhancing the production of H-type phenolics at 600 degrees C.
Article
Chemistry, Analytical
Iara Fontes Demuner, Fernando Jose Borges Gomes, Marcela Ribeiro Coura, Jessica Silva Gomes, Antonio Jacinto Demuner, Ana Marcia Macedo Ladeira Carvalho, Claudio Mudadu Silva
Summary: This study evaluates the effect of thermal treatment on the chemical composition of extracted kraft lignin from eucalypt kraft black liquor. The thermal treatment increased demethylation and demethoxylation on the eucalypt kraft lignin, resulting in a reduction in soluble lignin, oxygen and hydrogen content, and an increase in insoluble lignin and carbon content. The heat-treated lignin showed a reduction in the S/G ratio and an increase in catechol and methoxycatechol content, making it more reactive and suitable for high value-added lignin-based products.
JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
(2021)
Article
Soil Science
A. Vidal, L. Remusat, F. Watteau, S. Derenne, K. Quenea
SOIL BIOLOGY & BIOCHEMISTRY
(2016)
Article
Soil Science
A. Vidal, K. Quenea, M. Alexis, T. T. Nguyen Tu, J. Mathieu, V. Vaury, S. Derenne
Article
Environmental Sciences
Thanh Thuy Nguyen Tu, Alix Vidal, Katell Quenea, Mercedes Mendez-Milian, Sylvie Derenne
Article
Agriculture, Multidisciplinary
Alix Vidal, Anne Schucknecht, Paul Toechterle, Diana Rocio Andrade Linares, Noelia Garcia-Franco, Andreas von Hessberg, Alexander Kraemer, Andrea Sierts, Alfred Fischer, Georg Willibald, Sarah Fuetterer, Joerg Ewald, Vera Baumert, Michael Weiss, Stefanie Schulz, Michael Schloter, Wolfgang Bogacki, Martin Wiesmeier, Carsten W. Mueller, Michael Dannenmann
AGRICULTURE ECOSYSTEMS & ENVIRONMENT
(2020)
Article
Soil Science
A. Vidal, T. Lenhart, M. F. Dignac, P. Biron, C. Hoeschen, J. Barthod, C. Vedere, V. Vaury, T. Bariac, C. Rumpel
Letter
Soil Science
Xavier Portell, Ophelie Sauzet, Maria Balseiro-Romero, Pascal Benard, Remi Cardinael, Estelle Couradeau, Dieudonne D. Danra, Daniel L. Evans, Ellen L. Fry, Edith C. Hammer, Danielle Mamba, Luis Merino-Martin, Carsten W. Mueller, Marcos Paradelo, Frederic Rees, Lorenzo M. W. Rossi, Hannes Schmidt, Laura S. Schnee, Charlotte Vedere, Alix Vidal
EUROPEAN JOURNAL OF SOIL SCIENCE
(2021)
Article
Soil Science
Alix Vidal, Tobias Kloffel, Julien Guigue, Gerrit Angst, Markus Steffens, Carmen Hoeschen, Carsten W. Mueller
Summary: The interface between decaying plant residues and soil minerals is crucial for the formation of soil organic matter, with microbial activity playing a key role in promoting the formation of mineral-associated organic matter. The transfer of carbon and nitrogen from plant residues to the mineral soil is mediated by microorganisms, leading to the formation of mineral-associated organic matter.
SOIL BIOLOGY & BIOCHEMISTRY
(2021)
Article
Multidisciplinary Sciences
Kristina Witzgall, Alix Vidal, David I. Schubert, Carmen Hoeschen, Steffen A. Schweizer, Franz Buegger, Valerie Pouteau, Claire Chenu, Carsten W. Mueller
Summary: The study investigates the impact of soil structure on the fate of litter-derived organic matter, finding that organic matter on litter surfaces is occluded into aggregates and forms organo-mineral associations regardless of soil structure. These processes occur at plant-soil interfaces, highlighting the importance of plant litter in soil carbon persistence.
NATURE COMMUNICATIONS
(2021)
Article
Soil Science
Isabel Prater, Filip Hrbacek, Christina Braun, Alix Vidal, Lars Arne Meier, Daniel Nyvlt, Carsten W. Mueller
Summary: As Antarctica is strongly affected by climate change, the factors determining soil development may shift from physical to biochemical processes. Vegetated soils have higher carbon and nitrogen contents, and contain more bioavailable substrates, potentially promoting microbial activity and soil development. In cold, arid environments, spreading aridity could lead to vegetation dieback, halting biological soil activity and slowing soil development.
Article
Plant Sciences
Tina Koehler, Carolin Schaum, Shu-Yin Tung, Franziska Steiner, Nicolas Tyborski, Andreas J. Wild, Asegidew Akale, Johanna Pausch, Tillmann Lueders, Sebastian Wolfrum, Carsten W. Mueller, Alix Vidal, Wouter K. Vahl, Jennifer Groth, Barbara Eder, Mutez A. Ahmed, Andrea Carminati
Summary: This study investigates the impact of plant hydraulic traits on stomatal regulation in maize during soil drying. The results demonstrate the importance of belowground hydraulics for stomatal regulation and suggest that stomata close when soil hydraulic conductivity drops.
Article
Environmental Sciences
Alix Vidal, Juliane Hirte, S. Franz Bender, Jochen Mayer, Andreas Gattinger, Carmen Hoeschen, Sebastian Schaedler, Toufiq M. Iqbal, Carsten W. Mueller
FRONTIERS IN ENVIRONMENTAL SCIENCE
(2018)
Article
Soil Science
Mariana Delgado Oliveira Zenero, Laura Fernanda Simoes da Silva, Selene Cristina de Pierri Castilho, Alix Vidal, Michel Grimaldi, Miguel Cooper
REVISTA BRASILEIRA DE CIENCIA DO SOLO
(2016)