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Kalancho? PPC1 is Essential for Crassulacean Acid Metabolism and the Regulation of Core Circadian Clock and Guard Cell Signaling Genes
Crassulacean acid metabolism (CAM) plants oxaloacetate phosphoenolpyruvate carboxylase circadian clock
2024/1/22
Unlike C3 plants, Crassulacean acid metabolism (CAM) plants fix CO2 in the dark using phosphoenolpyruvate carboxylase (PPC; EC 4.1.1.31). PPC combines PEP with CO2 (as HCO3-), forming oxaloacetate tha...
Persulfidation-based Modification of Cysteine Desulfhydrase and the NADPH Oxidase RBOHD Controls Guard Cell Abscisic Acid Signaling
Abscisic Acid Signaling NADPH oxidase Persulfidation Guard cells
2024/1/22
Accumulating evidence suggests that hydrogen sulfide (H2S) is a gaseous signaling molecule that regulates diverse cellular signaling pathways through persulfidation, which involves the post translatio...
Soil amendment improves carbon sequestration by trees on severely damaged acid and metal impacted landscape, but total storage remains low
Carbon sequestration Tree restoration Jack pine White birch Acidification Impacted landscape Soil organic carbon
2024/1/11
Landscape carbon storage is a key component of climate change mitigation. Tree planting on degraded land has been identified as an effective carbon capture strategy, but it is unclear how various asso...
The GIGANTEA-ENHANCED EM LEVEL complex enhances drought tolerance via regulation of abscisic acid synthesis
Arabidopsis thaliana drought stress GIGANTEA (GI) ENHANCED EM LEVEL (EEL) 9-CIS-EPOXYCAROTENOID DIOXYGENASES 3 (NCED3) abscisic acid (ABA)
2024/1/11
Drought is one of the most critical environmental stresses limiting plant growth and crop productivity. The synthesis and signaling of abscisic acid (ABA), a key phytohormone in the drought stress res...
A structural view of salicylic acid perception
salicylic acid Arabidopsis NPR1 NPR3/4 defence gene
2023/12/21
Salicylic acid (SA) is an essential hormone for plant immune responses. In Arabidopsis, SA is perceived by two groups of receptors, NPR1 and NPR3/4, which play opposite roles in regulating defence gen...
Ascorbic acid modulation by ABI4transcriptional repression ofVTC2in thesalt tolerance ofArabidopsis
ABI4 Salt stress Ascorbic acid VTC2 ROS accumulation
2023/12/11
Abscisic acid (ABA) plays an important role in plant abiotic stress responses, and ABA INSENSITIVE 4 (ABI4) is a pivotal transcription factor in the ABA signaling pathway. In Arabidopsis, ABI4 negativ...
γ-Aminobutyric acid plays a key role in plant acclimation to a combination of high light and heat stress
c-Aminobutyric acid high light heat stress Arabidopsis thaliana abiotic stresses metabolic response GABA
2023/11/30
Plants are frequently subjected to different combinations of abiotic stresses, such as high light (HL) intensity, and elevated temperatures. These environmental conditions pose a threat to agriculture...
Abscisic acid signaling and crosstalk with phytohormones in regulation of environmental stress responses
Abscisic acid Phytohormones cross talk Seed germination Stress regulation Stress signaling Stomatal regulation
2023/11/28
Frequently changing environmental conditions pose unwarranted threat to plants life and impose serious penalties in terms of arrested growth, metabolism and ultimately the yield. Being rooted, plants ...
Extrachromosomal circular DNA: A neglected nucleic acid molecule in plants
eccDNA eccDNA sequencing Transposable elements Environmental adaptation
2023/11/16
Throughout the years, most plant genomic studies were focused on nuclear chromosomes. Extrachromosomal circular DNA (eccDNA) has largely been neglected for decades since its discovery in 1965. While i...
Jasmonic acid and salicylic acid modulate systemic reactive oxygen species signaling during stress responses
long-distance arabidopsis acclimation combination ethylene light npr1
2023/11/16
Plants can send long-distance cell-to-cell signals from a single tissue subjected to stress to the entire plant. This ability is termed “systemic signaling” and is essential for plant acclimation to s...
Colorado mountains bouncing back from acid rain effects（图）
Colorado mountains bouncing acid rain effects
2021/1/8
A long-term trend of ecological improvement is appearing in the mountains west of Boulder, Colorado. Researchers at the University of Colorado Boulder found that Niwot Ridge, a high alpine a...
Salicylic Acid Suppresses Apical Hook Formation via NPR1-Mediated Repression of EIN3 and EIL1 in Arabidopsis
salicylic Acid EIN3/EIL1 NPR1 transcriptional activity ethylene (ET)
2024/2/4
Salicylic acid (SA) and ethylene (ET) are important phytohormones that regulate numerous plant growth, development, and stress response processes. Previous studies have suggested functional interplay ...
Effects of One-Year Simulated Nitrogen and Acid Deposition on Soil Respiration in a Subtropical Plantation in China
nitrogen deposition acid deposition soil respiration subtropical forest
2024/2/5
Atmospheric nitrogen (N) and acid deposition have become global environmental issues and are likely to alter soil respiration (Rs); the largest CO2 source is from soil to the atmosphere. However, to d...
Biosynthesis and regulation of salicylic acid and N-hydroxypipecolic acid in plant immunity
plant immunity Salicylic acid (SA) Biosynthesis
2024/2/4
Salicylic acid (SA) has long been known to be essential for basal defense and systemic acquired resistance (SAR). N-hydroxypipecolic acid (NHP), a recently discovered plant metabolite, also plays a ke...
Redundant CAMTA transcription factors negatively regulate the biosynthesis of salicylic acid and N-hydroxypipecolic acid by modulating the expression of SARD1 and CBP60g
CAMTA Salicylic acid (SA) N-hydroxypipecolic acid (NHP) SARD1 CBP60g immune signaling
2024/2/5
Two signal molecules, salicylic acid (SA) and N-hydroxypipecolic acid (NHP), play critical roles in plant immunity. The biosynthetic genes of both compounds are positively regulated by master immune-r...