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This page is dedicated to an overview of publications at the Metabolism Lab and up-to-date article collections related to our research themes.
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- Eimeria infections of plateau pika altered the patterns of temporal Tuesday 29 April 2025 And quickly frozen with liquid nitrogen for storage. After the with parasite-modified energy metabolism patterns. The change in diet from diverse plants in the field to simple
- Effects of tillage methods on soil aggregate nematode community in fluvo-aquic soil area of North China. Thursday 10 April 2025 In small mega-aggregates (2-5 mm), and decreased that of plant-parasitic nematodes matter was dominated by bacteria. Soil organic carbon, total nitrogen content, and
- iocontrol Strategies for Sustainable Management of Root-Knot Nematodes Saturday 21 December 2024 The most damaging plant-parasitic nematodes globally. is the use of plant growth-promoting microbes (PGPM)- and iron, fixing nitrogen, producing phytohormones,
- Effect of soil moisture on nematode abundance and composition is modulated by determinism in community assembly in a savanna Thursday 27 March 2025 Variation in precipitation and microbial biomass carbon diversity was primarily controlled by soil nitrogen and impacted bacterivores and plant parasite diversity. At the
- A REVIEW OF THE EFFECT OF SOME PLANT BACTERIA ON GROUNDNUT PLANT IN NIGERIA Thursday 07 November 2024 These bacteria suppress pathogenic microbes through by fungi, bacteria, and nematodes, thereby contributing to Nitrogen-fixing bacteria are integral to the nitrogen cycle
- Unearthing the hidden dangers by soil borne diseases of nursery plants: A review Wednesday 31 July 2024 As excessive moisture and nitrogen availability can give , apart from viruses and plant parasitic nematodes, soil as insect pests or plantdamaging microorganisms, can
- elatonin as a modulator of MAPK cascade and ROS-RNS feedforward loop during plant pathogen interaction Saturday 27 July 2024 , bacteria, viruses, viroids, phytoplasma, and nematodes, (ROS) and reactive nitrogen species (RNS) levels, and In plants, melatonin metabolism encompasses a series
- Soil Nematodes as an Indicator of the Efficiency of Hydrophytic Treatment Plants with Vertical Wastewater Flow Tuesday 31 December 2024 Plant beds are abundantly populated by bacteria participating in key organic matter decomposition processes and nitrogen to the digestion and metabolism of the bacterial
- Understanding the dynamic Thursday 23 January 2025 (rhizosphere bacteria) and inside plant roots (endophytic bacteria) on both plant development and metabolism through the the movement of nitrogen-fixing bacteria to the
- 3 Omics' Approach to Discern the Functional Diversity of Fungi in Plants Saturday 18 January 2025 Microorganismplant interactions in nitrogen fixation, improve our understanding of plant microbes and their -related grapevine plant woods carbohydrate metabolism (
- Soil biological health assessment based on nematode communities under maize and peanut intercropping Monday 11 November 2024 And plant parasitic nematode abundance, microbial the peak period of interaction between the intercropped ammonium nitrogen content and the nematode enrichment
- Soybean cyst nematode proliferation is slowed by local cyst bacteria Friday 26 July 2024 Soybean is an important food crop also used for biofuel production and nitrogen and that specific microbial communities targeting plant-parasitic nematodes could be
- lant Parasitic Nematodes: A Major Constraint to Pulses Production and Their Management Options$ Friday 10 January 2025 By fixing atmospheric nitrogen through nematodes and promote antagonistic microbial activity. Many biocontrol agents are effective against plant parasitic nematodes
- … sp. 30702 composite chitosan alleviates continuous cropping obstacles in Chinese yam by improving rhizospheric soil microbial environment: A field study in … Saturday 03 August 2024 Plant, yet its cultivation faces increasing challenges, particularly due to pathogenic community, while available nitrogen and root-knot nematodes significantly affect the
- … .. NCHULUS RENIFORMIS AND ASSOCIATED POPULATIONS OF PREDACIOUS AND SAPROPHYTIC ARTHROPODS AND MICROPHAGOUS NEMATODES Tuesday 31 December 2024 In controlling nematode populations, plant growth was of associated microorganisms before experimentation. pots, each at the rate of 108kg nitrogen/ha, while one set
Elservier Scopus
Plant-derived root exudates enhance extracellular and intracellular metabolism of rhizosphere anammox bacteria: Implication for intensified contributions in constructed wetlands
Bioresource Technology, volume 464
Tuesday 13 October 2026
In constructed wetlands (CWs), plant-derived root exudates (REs) profoundly influence anammox community and its contribution; however, the effect of dynamic changes in REs driven by plant growth on the extracellular and intracellular properties of anammox bacteria remain unclear. Herein, we constructed CWs microcosms incubated wi...
In constructed wetlands (CWs), plant-derived root exudates (REs) profoundly influence anammox community and its contribution; however, the effect of dynamic changes in REs driven by plant growth on the extracellular and intracellular properties of anammox bacteria remain unclear. Herein, we constructed CWs microcosms incubated with typical rhizosphere REs levels across distinct plant growth stages to investigate the regulation of REs on anammox metabolism. The results showed that REs stimulated the anammox capacity, with activity (0.2 ± 0.1 g NH4
+-N/gVSS/d, p < 0.001) and abundance (1.9 × 1011 ± 4.8 × 109 copies/g dry sludge, p < 0.05) at plant flowering stage, which attributed to two pathways. First, quorum sensing-associated regulation potentially contributed to denser anammox granule structures, along with increased extracellular polymeric substances (EPS) (41.2 mg/g) and elevated α-helix/(β-sheet + random coil) ratio (37.4%). Second, REs strengthened EPS-mediated extracellular electron exchange capacity in the Candidatus_Brocadia-dominated anammox consortium (34.9%, p < 0.001), along with upregulated electron transfer-related genes and elevated electrochemical activity. This further promoted core nitrogen conversion (hzs, 8.5-fold), carbon fixation (fdhA, 3.3-fold), and metabolic potential for dissimilatory nitrate reduction to ammonium (nrfA, 26.9%). Above dual regulation ultimately boosted a high anammox contribution (82.8–90.5%) and nitrogen removal efficiency (94.0–97.4%). This study advances our understandings of REs-mediated regulation of anammox bacterial colonization and ecological functions, and proposes a promising engineering strategy for intensifying anammox-driven nitrogen removal in CWs based on plant REs properties.
Nitrogen starvation coupled with extended anoxic time induces rapid growth of ammonia oxidizers and enrichment of anammox bacteria in low-ammonium wastewater
Water Research, volume 308
Tuesday 13 October 2026
Partial nitrification–anammox (PNA) is an energy-efficient autotrophic nitrogen removal process, yet its application to low-ammonium wastewater remains challenging due to the difficulty in selectively suppressing nitrite-oxidizing bacteria (NOB) while maintaining ammonia-oxidizing bacteria (AOB) and anaerobic ammonium oxidation...
Partial nitrification–anammox (PNA) is an energy-efficient autotrophic nitrogen removal process, yet its application to low-ammonium wastewater remains challenging due to the difficulty in selectively suppressing nitrite-oxidizing bacteria (NOB) while maintaining ammonia-oxidizing bacteria (AOB) and anaerobic ammonium oxidation (anammox) bacteria. Here, we developed a chemical-free strategy based on sequential nitrogen starvation and extended anoxic operation to successfully establish one-stage PNA. Long-term reactor operation and cyclic nitrogen conversion performance demonstrated that repeated nitrogen starvation shifted the system from complete nitrification toward partial nitrification, while subsequent extension of the anoxic period promoted anammox activity and finally reached PNA performance. Batch activity tests revealed differential kinetic responses between nitrifiers, with faster AOB activity recovery rates, whereas repeated nitrogen starvation caused greater activity declines in NOB. Community-level microbial composition and functional gene analyses revealed a clear transition from a Nitrospira-dominated community toward an Nitrosomonas–Candidatus Brocadia consortium, accompanied by rapid increase of amoA gene abundance following starvation and enrichment of anammox populations. Genome-resolved metagenomics further revealed distinct succession trajectories among nitrifier populations, with some Nitrospira lineages persisting throughout the operation. Comparative genomic analyses incorporating global wastewater-treatment-plant metagenomes demonstrated that Nitrosomonas possessed greater genomic potential for reactive oxygen species (ROS) defense and redox maintenance than Nitrospira, suggesting a potential mechanism underlying their differential resilience to metabolic stress induced by the imbalance between nitrogen availability and oxygen supply. Nitrogen starvation also selectively reduced non-denitrifying heterotrophic organisms and enhanced the genomic potential for denitrification. Overall, this study demonstrates that a combined nitrogen starvation and oxygen availability strategy can effectively drive PNA establishment in low-strength ammonium wastewater, and provides new insights into stress-induced recovery and ecological selection of nitrifying communities.
The interaction between histone acetylation and methylation with ROS metabolism in plants
Plant Growth Regulation, volume 106
Tuesday 13 October 2026
The transcription factor CiMYC2 positively regulates terpenoid biosynthesis by activating the expression of CiHMGR and CiTPS4 in Chrysanthemum indicum var. aromaticum
Plant Science, volume 373
Tuesday 13 October 2026
Chrysanthemum indicum var. aromaticum is a rare aromatic variant, and deciphering its molecular basis could facilitate the breeding of scented chrysanthemums. Here, we introduced its transcription factor CiMYC2 into Chrysanthemum indicum (C. indicum) to investigate the role and mechanism of CiMYC2 in regulat...
Chrysanthemum indicum var. aromaticum is a rare aromatic variant, and deciphering its molecular basis could facilitate the breeding of scented chrysanthemums. Here, we introduced its transcription factor CiMYC2 into Chrysanthemum indicum (C. indicum) to investigate the role and mechanism of CiMYC2 in regulating terpenoid biosynthesis. Results demonstrated that overexpression of CiMYC2 significantly increased the density of glandular trichomes on leaves (up to 3.94-fold) and elevated the total relative terpenoid content in leaf exudates by up to 21.88%. Transcriptomic analysis revealed strong upregulation of key terpenoid pathway genes, including CiHMGR and CiTPS4, and their induction was confirmed by quantitative real-time PCR, with CiTPS4 expression increasing up to 22.58-fold. Yeast one-hybrid (Y1H) and dual-luciferase (dual-LUC) assays confirmed that CiMYC2 directly bound to enhancer box (E-box) elements in the promoters of CiHMGR and CiTPS4 to activate their transcription. Furthermore, yeast two-hybrid (Y2H) and bimolecular fluorescence complementation (BIFC) assays showed that CiMYC2 physically interacted with specific jasmonic acid (JA) signaling repressors CiJAZ4/5/7/8. Our findings reveal that the transcription factor CiMYC2 integrates JA signaling by interacting with CiJAZ proteins and directly activates terpenoid biosynthetic genes (CiHMGR and CiTPS4), thereby promoting glandular trichome development and terpenoid accumulation in C. indicum. This work provides a theoretical basis for the molecular breeding of fragrant chrysanthemum varieties.
A maize protoplast transfection system for studying the biosynthesis of volatile terpenoids
Crop Health, volume 4
Tuesday 13 October 2026
The crosstalk of autophagy and metabolism in plants
Current Opinion in Plant Biology, volume 94
Tuesday 13 October 2026
Autophagy in plants promotes cellular longevity and nutrient recycling by degrading unwanted organelles and damaged cytoplasmic components. This process is essential for plant stress tolerance and nutrient management. In all plant organs, autophagy plays a critical role in maintaining cellular homeostasis, and defects in autophag...
Autophagy in plants promotes cellular longevity and nutrient recycling by degrading unwanted organelles and damaged cytoplasmic components. This process is essential for plant stress tolerance and nutrient management. In all plant organs, autophagy plays a critical role in maintaining cellular homeostasis, and defects in autophagy lead to severe metabolic disorders. Conversely, metabolic signals regulate autophagic activity at multiple levels. Here, we review how autophagy contributes to nutrient management at different organizational levels and how metabolism modulates autophagy across plant organs.
Waste- and pathogen-derived novel chitosan–β-glucan nanocomposites coordinate plant immunity, photosynthesis and carbohydrate metabolism for sustainable agriculture
Environmental Nanotechnology Monitoring and Management, volume 26
Tuesday 13 October 2026
Escalating fungicide use under changing climatic conditions is accelerating resistance evolution and contaminating soil, water and non-target ecosystems, necessitating sustainable crop protection strategies. Here, we developed a circular bio-based nanoformulation by valorizing shrimp-shell waste into chitosan, pathogen (Sclerotiu...
Escalating fungicide use under changing climatic conditions is accelerating resistance evolution and contaminating soil, water and non-target ecosystems, necessitating sustainable crop protection strategies. Here, we developed a circular bio-based nanoformulation by valorizing shrimp-shell waste into chitosan, pathogen (Sclerotium rolfsii) and distillery yeast waste into β-glucan, to produce chitosan nanoparticles (CN), β-glucan nanoparticles (Y-BG and S-BG) and novel chitosan–β-glucan nanocomposites (C-YB and C-SB). These nano-formulations were comprehensively evaluated under greenhouse conditions in sugarbeet (Beta vulgaris L.) against S. rolfsii, a highly destructive soil-borne pathogen with a host range exceeding 500 plant species, using integrated physiological, biochemical, agronomic and multivariate analyses. Among all treatments, C-SB (50 ppm) exhibited the highest efficacy, increasing β-glucanase (217%), chitinase (136%), phenylalanine ammonia-lyase (62%), peroxidase (103%), total phenolics (44%), chlorophyll (132%) and carbon assimilation (34.6%), while reducing disease incidence by 88% relative to the untreated control. Enhanced immune activation was coupled with improved photosynthetic efficiency and carbon assimilation, resulting in 147% higher root yield, 46% greater sucrose and 40% higher Brix under greenhouse conditions. Multivariate analyses consistently identified chitosan–β-glucan nanocomposites as distinct from individual nanoparticles and the biocontrol standard, revealing strong associations between defense enzymes, photosynthetic traits, carbohydrate metabolism and disease suppression. The findings demonstrate that waste-derived chitosan–β-glucan nanocomposites function as multifunctional bio-elicitors that coordinate immune priming with growth. By converting crustacean and distillery biowastes as well as pathogen into high-value crop protectants, this nanotechnological development offers a circular-bioeconomy strategy to reduce fungicide dependence, minimize agricultural pollution and advance sustainable agriculture cultivation.
Multilayered regulation of TORC1 signaling by Ait1, Gcn2, and SEAC/GATOR during nitrogen limitation and starvation
Nature Communications, volume 17
Wednesday 23 September 2026
Fumigant 3-methylvaleric acid derived from medicinal plant endophytic Bacillus cereus suppresses Aspergillus niger and alleviates garlic postharvest rot via disrupting fungal metabolism and activating host defense
Postharvest Biology and Technology, volume 243
Tuesday 22 September 2026
Garlic black rot caused by Aspergillus niger seriously reduces the storage quality and market value of harvested garlic, and microbial volatile organic compounds (VOCs) are environmentally safe replacements for synthetic fungicides. We isolated pathogenic A. niger S15 from rotten garlic and screened antagonistic endophytic Bacill...
Garlic black rot caused by Aspergillus niger seriously reduces the storage quality and market value of harvested garlic, and microbial volatile organic compounds (VOCs) are environmentally safe replacements for synthetic fungicides. We isolated pathogenic A. niger S15 from rotten garlic and screened antagonistic endophytic Bacillus cereus H1 from Pinellia ternata. HS-GC-IMS confirmed 3-methylvaleric acid (3-MA) as its major active candidate VOC, with an MIC of 45 μL L−1 against A. niger S15. In vitro fumigation tests showed that 3-MA restrained fungal mycelia and spore formation. SEM, PI staining and physiological assays proved it destroyed fungal cell walls and membranes, raising permeability, causing electrolyte leakage and lipid peroxidation, and suppressing ergosterol synthesis. Consequently, LC-MS metabolomics and enzyme tests further revealed that 3-MA first destroyed fungal cell wall and membrane integrity, and further triggered cascading disorders in nucleotide metabolism, TCA cycle, lipid metabolism and intracellular redox homeostasis. In vivo storage trials indicated 3-MA above 40 μL L−1 completely blocked garlic black rot, slowed the decline of phenols and flavonoids, and activated garlic’s defensive enzymes. Comparative assays revealed that A. niger S15 exhibited limited sensitivity to garlic-derived antimicrobial compounds, whereas 3-MA showed strong fumigation-based antifungal activity against multiple phytopathogens. This study elucidates 3-MA's antifungal mechanism and validates its potential as a green fumigant for garlic preservation, offering a novel candidate and theoretical basis for postharvest disease control in Allium crops.
Gold nanoparticle-mediated metabolic engineering in Trichoderma longibrachiatum MD33 unveils a hybrid terpenoid-alkaloid pathway for enhanced dendrobine biosynthesis
Microbial Cell Factories, volume 25
Monday 21 September 2026
The genome of the medicinal plant Uncaria rhynchophylla provides new insights into monoterpenoid indole alkaloid metabolism and its molecular regulatory mechanism
Molecular Horticulture, volume 6
Sunday 20 September 2026
An antifungal effector from a plant-parasitic nematode modulates host fungal community composition and supports ecological fitness
Npj Biofilms and Microbiomes, volume 12
Saturday 19 September 2026
A domestication gene links plant architecture and nitrogen metabolism to enhance yield in foxtail millet
Nature Communications, volume 17
Friday 18 September 2026
Selenium nanoparticles enhance innate immunity in aphid-stressed oat plants by modulating photosynthetic pigments, sugar, nitrogen and fatty acid metabolism, and antioxidant defense
BMC Plant Biology, volume 26
Wednesday 16 September 2026
Expansion of the plant-parasitic nematode RNA viruses: Unprecedented diversity, intron-bearing viruses, and cross-kingdom evolutionary links
Npj Biofilms and Microbiomes, volume 12
Tuesday 15 September 2026
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