plant biology papers | Gist.Science

Genome wide association analysis of resistance to scald in an adapted multiparent winter malting barley population

This study utilizes a genome-wide association study on a multiparent winter malting barley population to identify major and minor genetic loci, including the confirmed Rrs1 gene on chromosome 3H, associated with scald resistance while revealing significant correlations with agronomic traits like winter survival, heading date, and plant height to inform breeding strategies for durable disease resistance.

Kolkman, J. M., Sepp, S. S., Kunze, K. H. + 2 more2026-03-13📄 plant biology

Rapid reversible RNA isoform switching during loss and recovery of turgor in Arabidopsis thaliana

This study reveals that Arabidopsis thaliana seedlings undergo rapid, reversible switching of RNA isoforms in response to water deficit, a mechanism that generates diverse protein products and significantly expands the detection of stress-responsive genes beyond what conventional transcript analysis can identify.

Humphreys, J. L., Yates, L. A., Butler, J. B. + 1 more2026-03-13📄 plant biology

Funneliformis mosseae and Pseudomonas putida-symbiotic interaction promote drought resilience in Citrus reticulata

This study demonstrates that the synergistic co-inoculation of *Funneliformis mosseae* and *Pseudomonas putida* significantly enhances drought resilience in *Citrus reticulata* by improving physiological parameters, antioxidant defenses, and nutrient uptake, while upregulating key stress-adaptation genes identified through transcriptomic analysis.

Uddin, S., Gull, S., Wang, J. + 4 more2026-03-13📄 plant biology

Gene Expression Landscapes Driving Early Life Stages of the Keystone Seagrass Posidonia oceanica

This study elucidates the complex, temporally coordinated gene expression networks driving the development of the keystone seagrass *Posidonia oceanica* by characterizing tissue-specific transcriptional dynamics across roots, leaves, and seeds during early life stages.

Valenti, G., Sutera, A., Dattolo, E. + 5 more2026-03-13📄 plant biology

The control of prickle formation in Rubus

This study identifies the WOX1 gene as the genetic basis for pricklelessness in blackberries and raspberries and demonstrates that CRISPR-mediated knockout of WOX1 in elite prickled varieties successfully produces prickleless cultivars without compromising other agronomic traits.

St. Aubin, B., Poorten, T., Fister, A. + 25 more2026-03-12📄 plant biology

Iron-dependent reprogramming of damage-associated peptide receptor signaling coordinates immunity and phosphate stress adaptation

This study reveals that under phosphate starvation, plants prioritize immune vigilance by selectively amplifying damage-associated molecular pattern (DAMP) receptor signaling through an iron-dependent redox mechanism, thereby coordinating nutrient stress adaptation with the maintenance of innate immunity.

Tsuchida, N., Lee, T.-H., Leiwakabessy, M. + 11 more2026-03-12📄 plant biology

Mechanical cues trigger phellem differentiation during barrier transition

This study reveals that mechanical stress released by endodermal rupture during secondary growth instructs the differentiation of phellem cells in *Arabidopsis* roots via the FERONIA receptor kinase, thereby coordinating the transition from the endodermis to a new protective periderm barrier.

Lopez-Ortiz, J., De Bellis, D., Bellani, E. + 4 more2026-03-12📄 plant biology

ABI5-mediated ABA signaling enhances aliphatic glucosinolates biosynthesis by transcriptionally suppressing BR signaling factors in Arabidopsis

This study reveals that the ABA-responsive transcription factor ABI5 enhances aliphatic glucosinolate biosynthesis in Arabidopsis by suppressing the stability of the growth-promoting transcription factor BZR1 via downregulation of deubiquitinases UBP12/13, thereby integrating ABA-mediated defense responses with BR-regulated growth pathways.

Choi, D., Kim, H., Kim, D.-H.2026-03-12📄 plant biology

The role of MYB21 in Arabidopsis: transcending flower-specific functions to vegetative tissue

This study reveals that the transcription factor MYB21, previously thought to function exclusively in flower development, also plays a critical, jasmonic acid-dependent role in regulating vegetative growth, defense responses, and stress tolerance in Arabidopsis leaves and seedlings.

Mekkaoui, K., Linh Nguyen, L. T., Herdani, O. P. + 7 more2026-03-12📄 plant biology

Heat alters fruit morphology and severely limits reproduction but not growth in a widespread urban weed.

Although the urban weed *Capsella bursa-pastoris* maintains growth and survival under high temperatures, exposure to heat above 30°C severely impairs reproduction by causing malformed fruits and preventing seed production, thereby threatening long-term population persistence.

Hightower, A. T., Henley, C., Colligan, C. + 1 more2026-03-12📄 plant biology

Growth and molecular responses of potato to lunar regolith simulants

This study demonstrates that while lunar regolith simulants initially inhibit potato growth and alter gene expression due to a lack of organic matter, amending the substrate with vermicompost effectively mitigates these stresses, suggesting that regolith-based agriculture is a viable long-term strategy for lunar habitats once organic content is established.

Handy, D., Loeffler, A., Knudson, M. + 4 more2026-03-11📄 plant biology

Potato yield can be predicted by using drone-captured and environmental measurements early in the growing season

This study demonstrates that accurate potato yield predictions (explaining over 80% of variance) can be achieved early in the growing season using drone-captured and environmental measurements, enabling efficient variety selection and management through simplified machine learning models.

Vizintin, A., Zagorscak, M., Turk, E. + 17 more2026-03-11📄 plant biology

A robust and high-efficiency Rhizobium rhizogenes hairy root transformation platform for Vaccinium

This study establishes a rapid, high-efficiency, and genotype-flexible *Rhizobium rhizogenes*-mediated hairy root transformation platform for *Vaccinium* that overcomes previous limitations in functional genomics and genome editing while demonstrating a viable path toward stable plant recovery.

Kumam, Y., Enciso-Rodriguez, F. E., Kim, J. H. + 5 more2026-03-11📄 plant biology

Effector-triggered stomatal immunity prevents leaf invasion by bacterial pathogens

This study reveals that the resistance protein CAR1, which is enriched in Arabidopsis guard cells, recognizes the ubiquitous Pseudomonas syringae effector AvrE1 to prolong stomatal closure, thereby effectively preventing bacterial invasion of leaf tissue.

Av-Shalom, T. V., Lai, Y., Singh, R. A. + 4 more2026-03-11📄 plant biology

Mature Citrus Leaves Undergo Coordinated Photosynthetic Downregulation to Support Flush-Driven Carbon and Nitrogen Sink Demand

This study challenges the classic source-sink hypothesis by demonstrating that mature citrus leaves actively downregulate photosynthesis through coordinated stomatal and biochemical mechanisms to reallocate carbon and nitrogen resources toward supporting new shoot growth during flush development.

Hussain, S. B., Meng, Q., Li, S. + 2 more2026-03-11📄 plant biology

Phenotyping maize seed tolerance to storage after seed treatment using a Seed Treatment Tolerance Index

This study introduces and validates a Seed Treatment Tolerance Index (STTI) to effectively phenotype maize hybrids' genotypic variation in tolerance to neonicotinoid-induced phytotoxicity during storage, revealing significant differences linked to antioxidant enzyme regulation and offering a valuable tool for breeding and seed industry logistics.

Reis, V. U. V., Tavares, G. I. S., Maciel, D. C. + 4 more2026-03-11📄 plant biology

Uncovering Carbohydrate Metabolism and Endogenous Hormone Regulation during Flush Phenology in Citrus Trees using Proteomics and Metabolomics

This study integrates proteomic and metabolomic analyses to elucidate how carbohydrate metabolism and endogenous hormone signaling are spatiotemporally coordinated to regulate the transition from carbon storage to export during the rapid shoot growth (flush) phenology of citrus trees.

Chen, K., Hussain, S. B., Liu, X. + 3 more2026-03-11📄 plant biology

Deep soil water as a dominant source for spruce water uptake in a subalpine forest: evidence from multi-year isotope data

Based on three years of stable isotope data, this study reveals that Norway spruce in subalpine forests predominantly relies on deep soil water (50–70 cm) rather than shallow layers, a strategy that shifts toward recent rainfall in late summer and heightens the species' vulnerability to future droughts.

Beria, H., Shekhar, A., Buchmann, N. + 1 more2026-03-11📄 plant biology

Genomic rDNA instabilities in Arabidopsis epigenetic mutants alter location-based rRNA gene expression patterns

This study reveals that epigenetic mutants in *Arabidopsis thaliana* (specifically *ddm1*, *caf-1*, and *cmt2*) undergo genomic rDNA instabilities causing NOR conversions that alter rRNA expression patterns, a phenomenon that must be distinguished from the direct release of rRNA gene silencing caused by these mutations.

Ramgopal, M. K., Subramanian, A. T., Tammineni, R. + 6 more2026-03-11📄 plant biology

Combination of CG methylation and Chromomethylase 2-mediated RdDM-independent CHH methylation is required for chromosome-specific rRNA gene silencing

This study demonstrates that in *Arabidopsis thaliana*, chromosome-specific silencing of NOR2 rRNA genes relies on a synergistic mechanism combining MET1-mediated CG methylation and CMT2-mediated RdDM-independent CHH methylation, a requirement driven by the predominance of CHH sites in plant rRNA promoters that contrasts with the CG-dependent silencing observed in mammals.

Puppala, N. V., Tammineni, R., Saradadevi, G. P. + 1 more2026-03-10📄 plant biology

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