A5019921643- Plant Molecular Biology Research
- Plant Reproductive Biology
- RNA Research and Splicing
- RNA modifications and cancer
- Plant nutrient uptake and metabolism
- Agricultural pest management studies
- Plant pathogens and resistance mechanisms
- Light effects on plants
- Rice Cultivation and Yield Improvement
- Photosynthetic Processes and Mechanisms
- Cancer-related gene regulation
- Genetic Mapping and Diversity in Plants and Animals
- Plant Water Relations and Carbon Dynamics
- Plant Pathogenic Bacteria Studies
- Plant responses to water stress
- Genetic and Environmental Crop Studies
- Lipid metabolism and biosynthesis
- Plant Stress Responses and Tolerance
- RNA and protein synthesis mechanisms
- Genetics and Plant Breeding
Umeå Plant Science Centre
2017-2024
Umeå University
2017-2024
Swedish University of Agricultural Sciences
2022
Marche Polytechnic University
2013-2017
University of Milan
2015-2017
Rice flowering is controlled by changes in the photoperiod that promote transition to reproductive phase as days become shorter. Natural genetic variation for time has been largely documented and instrumental define genetics of photoperiodic pathway, well providing valuable material artificial selection varieties better adapted local environments. We mined a collection rice highly European regions isolated distinct variants long day repressor HEADING DATE 1 (Hd1) perturb its expression or...
The floral transition is a critical step in the life cycle of flowering plants, and several mechanisms control this finely orchestrated process. TERMINAL FLOWER1 (TFL1) repressor close relative florigen, FLOWERING LOCUS T (FT). During transition, TFL1 expression up-regulated inflorescence apex to maintain indeterminate growth shoot apical meristem (SAM). Both FT are mobile proteins, but they move different ways. moves from leaves SAM, while appears within SAM. importance movement for its...
In temperate and boreal regions, perennials adapt their annual growth cycle to the change of seasons. These adaptations ensure survival in harsh environmental conditions, allowing at different latitudes altitudes, are therefore tightly regulated. Populus tree species cease form terminal buds autumn when photoperiod falls below a certain threshold.1 This is followed by establishment dormancy cold hardiness over winter. At center photoperiodic pathway gene FLOWERING LOCUS T2 (FT2), which...
Plants measure day or night lengths to coordinate specific developmental changes with a favorable season. In rice (Oryza sativa), the reproductive phase is initiated by exposure short days when expression of HEADING DATE 3a (Hd3a) and RICE FLOWERING LOCUS T 1 (RFT1) induced in leaves. The cognate proteins are components florigenic signal move systemically through phloem reach shoot apical meristem (SAM). SAM, they form transcriptional activation complex bZIP transcription factor OsFD1 start...
The capacity to discriminate variations in day length allows plants align flowering with the most favourable season of year. This has been altered by artificial selection when cultivated varieties became adapted environments different from those initial domestication. Rice is promoted short days HEADING DATE 1 (Hd1) and EARLY (Ehd1) induce expression florigenic proteins encoded 3a (Hd3a) RICE FLOWERING LOCUS T (RFT1). Repressors antagonize such induction under long days, maintaining...
Alternative splicing occurs in all eukaryotic organisms. Since the first description of multiexon genes and machinery, field has expanded rapidly, especially animals yeast. However, our knowledge about plants is still quite fragmented. Though eukaryotes show some similarity composition dynamics observations unique plant traits are only starting to emerge. For instance, alternative closely linked their ability perceive various environmental stimuli. Due sessile lifestyle, temperature a...
Crop species have been deeply affected by the domestication process, and there many efforts to identify selection signatures at genome level. This knowledge will help geneticists better understand evolution of organisms, same time, breeders implement successful breeding strategies. Here, we focused on in Mesoamerican gene pool Phaseolus vulgaris sequencing 49 fragments from a sample 45 P. wild domesticated accessions, as controls, two accessions each closely related coccineus dumosus. An...
Abstract Plants undergo transcriptome reprograming to adapt daily and seasonal fluctuations in light temperature conditions. While most efforts have focused on the role of master transcription factors, importance splicing factors modulating these processes is now emerging. Efficient pre-mRNA depends proper spliceosome assembly, which plants animals requires methylosome complex. Ion Chloride nucleotide-sensitive protein (PICLN) part complex both humans Arabidopsis (Arabidopsis thaliana), we...
Abstract Temperature affects plant growth by modulating the expression of genes and subsequent processing RNAs that govern essential physiological processes. Here, we show Arabidopsis thaliana Sm-like7 (LSM7), a core component splicing decapping machinery, is indispensable for embryogenesis development. Hypomorphic lsm7-2 mutants display severe developmental defects are exacerbated high temperatures. Transcriptome analysis verified LSM7’s extensive role in gene regulation. In particular,...
The transition from vegetative to reproductive growth is a key event in the plant life cycle. Plants therefore use variety of environmental and endogenous signals determine optimal time for flowering ensure success. These are integrated at shoot apical meristem (SAM), which subsequently undergoes shift identity begins producing flowers rather than leaves, while still maintaining pluripotency meristematic function. Gibberellic acid (GA), an important hormone associated with cell...
SUMMARY Temperature plays a crucial role in plant growth and development, influencing numerous physiological processes throughout the life cycle. Ambient temperature fluctuations can significantly affect transcriptomic adjustments, which are essential for plants to adapt ever-changing environmental conditions. Despite known impacts of extreme temperatures on physiology, there remains knowledge gap regarding specific effects moderate changes ambient responses. This study employs...
ABSTRACT The role of RNA splicing as modulator the molecular responses to stress is well described. In contrast, its importance in acclimation plants changes ambient temperatures started emerge only recently. Here, we analyzed temperature spliceosome assembly, a key step often neglected studies focusing on splicing. Taking advantage mutants showing temperature-dependent phenotypes conducted comprehensive study that methylosome and SMN complexes have plant snRNP assembly. Genetic analyses,...
Abstract Plants undergo transcriptome reprogramming to adapt daily and seasonal fluctuations in light temperature conditions. While most efforts have focused on the role of master transcription factors, importance splicing factors modulating these processes is now emerging. Efficient pre-mRNA depends proper spliceosome assembly, which plants animals requires methylosome complex. PICLN part complex both humans Arabidopsis thaliana , we show here that human ortholog rescues phenotypes A. picln...