Dehydrins belong to a protein family whose expression may be induced or enhanced by developmental process and environmental stresses that lead cell dehydratation. A dehydrin gene named OesDHN was isolated characterized from oleaster (Olea europaea L. subsp. europaea, var. sylvestris), the wild form of olive. To elucidate contribution in development drought tolerance, its levels were investigated plants during under stress condition. The involvement plant response also evaluated Arabidopsis...

TETRASPANIN (TET) genes encode conserved integral membrane proteins that are known in animals to function cellular communication during gamete fusion, immunity reaction, and pathogen recognition. In plants, functional information is limited one of the 17 members Arabidopsis (Arabidopsis thaliana) TET gene family expression data reproductive stages. Here, promoter activity all was investigated by pAtTET::NUCLEAR LOCALIZATION SIGNAL -GREEN FLUORESCENT PROTEIN/β-GLUCURONIDASE reporter lines...

Abstract Peaches have a short shelf life and require chilling during storage transport. Peach aroma is important for consumer preference determined by underlying metabolic pathways gene expression. Differences in (profiles of volatile organic compounds, VOCs) been widely reported across cultivars response to cold storage. However, few studies used intact peaches, or equilibrium sampling methods subject saturation. We analysed VOC profiles using TD-GC × GC-ToF-MS expression 12 key pathway...

Abstract Background Olive ( Olea europaea L.) is an emblematic oil tree crop in the Mediterranean basin. Currently, despite olive features as a moderately thermophilic species, its cultivation worldwide spreading due to health-related impact of products on human nutrition. A point concern for expanding related influence that, addition genotype, environmental factors exerts drupe development and metabolism with consequent fruit key traits. In this context, aim present work was gain further...

Abstract DNA methylation plays an important role in modulating plant growth plasticity response to stress, but mechanisms involved such control need further investigation. We used drm1 drm2 cmt3 mutant of Arabidopsis thaliana, defective methylation, explore metabolic pathways downstream epigenetic modulation under cadmium (Cd) stress. To this aim, a transcriptomic analysis was performed on ddc and WT plants exposed long-lasting (21 d) Cd treatment (25/50 µM), focusing hormone genetic...

Natural herbicides that are based on allelopathy of compounds, can offer effective alternatives to chemical towards sustainable agricultural practices. Nerolidol, a sesquiterpenoid alcohol synthesized by many plant families, was shown be the most allelopathic compound in preliminary screening performed with several other sesquiterpenoids. In present study, Arabidopsis thaliana seedlings were treated for 14 d various cis-nerolidol concentrations (0, 50, 100, 200, 400, and 800 µM) investigate...

Cold storage is used to extend peach commercial life, but can affect quality. Quality changes are assessed through the content of nutritionally relevant compounds, aroma, physical characters and/or sensorially. Here, six and nectarine cultivars were sampled at harvest after 7 days 1 °C storage. A trained panel was evaluate sensorial characters, while carotenoids, phenolics, vitamin C, total sugars, qualitative traits including firmness, titrable acidity soluble solid integrated with volatile...

Coumarin is a phytotoxic natural compound able to affect plant growth and development. Previous studies have demonstrated that this molecule at low concentrations (100 µM) can reduce primary root stimulate lateral formation, suggesting an auxin-like activity. In the present study, we evaluated coumarin’s effects (used root-stimulating concentrations) on apical meristem polar auxin transport identify its potential mode of action through confocal microscopy approach. To achieve goal, used...

Generally, in gymnosperms, pollination and fertilization events are temporally separated the developmental processes leading switch from ovule integument into seed coat still unknown. The single of Ginkgo biloba acquires typical characteristics long before event. In this study, we investigated whether triggers transformation coat. Transcriptomics metabolomics analyses performed on ovules just prior after lead to identification changes occurring during specific time. A morphological atlas...

Cadmium (Cd), one of the most widespread and water-soluble polluting heavy metals, has been widely studied on plants, even if mechanisms underlying its phytotoxicity remain elusive. Indeed, experiments are performed using extensive exposure time to toxicants, not observing primary targets affected. The present work Cd effects Arabidopsis thaliana (L.) Heynh's root apical meristem (RAM) exposed for short periods (24 h 48 h) acute phytotoxic concentrations (100 150 µM). were through integrated...

Abstract Premise In Arabidopsis thaliana , the role of most important key genes that regulate ovule development is widely known. nonmodel species, and especially in gymnosperms, developmental processes are still quite obscure. this study, we describe putative roles Ginkgo biloba orthologs regulatory during development. Specifically, studied AGAMOUS ( AG ), AGAMOUS‐like 6 AGL6 AINTEGUMENTA ANT BELL1 BEL1 Class III HD‐Zip YABBY genes. Methods We analyzed their expression domains through situ...

Anthocyanins protect plants against various biotic and abiotic stresses, anthocyanin-rich foods exert benefits on human health due to their antioxidant activity. Nevertheless, little information is available the influence of genetic environmental factors anthocyanin content in olive fruits. Based this consideration, total content, genes involved biosynthesis, three putative R2R3-MYB transcription were evaluated at different ripening stages drupes Carolea Tondina cultivars, sampled altitudes...

In gymnosperms such as Ginkgo biloba, the arrival of pollen plays a key role in ovule development, before fertilization occurs. Accordingly, G. biloba female plants geographically isolated from male abort all their ovules after pollination drop emission, which is event that allows to capture grains. To decipher mechanism induced by required avoid senescence and then abortion, we compared transcriptomes pollinated unpollinated at three time points end emission drop. Transcriptomic situ...

There is increasing consumer demand for olive oil to be traceable. However, genotype, environmental factors, and stage of maturity, all affect the flavor composition both olives oil. Few studies have included three variables. Key metabolites include lipids, phenolics, a wide range volatile organic compounds (VOCs), which provide with their characteristic flavor. Here we aim identify markers that are able discriminate between cultivars, can growth location, stages fruit maturity. 'Nocellara...

Nectarines are perishable fruits grown in Southern Europe, valued for their sensorial properties. Chilling is used the supply chain Northern European consumers, while consumers can access fresh, locally fruit or cold-stored supermarket fruit. Cold storage and ripening affect texture flavour. Here a consumer survey hedonic testing compared appreciation of nectarines (cv. Big Top) Italy at two UK sites (n = 359). Fruit was commercial harvest stage, stored 1 °C 5 seven days, then sampled after...

Peach (Prunus persica (L.) Batsch,) and nectarine fruits Batsch, var nectarine), are characterized by a rapid deterioration at room temperature. Therefore, cold storage is widely used to delay fruit post-harvest ripening extend commercial life. Physiological disorders, collectively known as chilling injury, can develop typically after 3 weeks of low-temperature affect quality.A comparative transcriptomic analysis was performed identify regulatory pathways that before injury symptoms...

-Cinnamic acid is a phenolic compound widely studied in plant metabolism due to its importance regulating different processes. Previous studies on maize plants showed that this could affect growth and causes metabolic changes the leaves when applied. However, effects root are not well known. This study analyses short-term effect of

Aside from those on Arabidopsis, very few studies have focused spatial expression of cyclin-dependent kinases (CDKs) in root apical meristems (RAMs), and, indeed, none has been undertaken for open meristems. The extent interfacing between cell cycle genes and plant growth regulators is also an increasingly important issue studies. Here expression/localization A-type B-type CDK, auxin cytokinins are reported relation to the hitherto unexplored anatomy RAMs Cucurbita maxima. Median...

Low temperature is the main strategy to preserve fruit quality post-harvest, in supply chain. temperatures reduce respiration, ethylene emission, and enzymatic activities associated with senescence. Unfortunately, peaches are sensitive low if exposed for long periods, resulting physiological disorders that can compromise commercial quality. Maximum damage occurs at 5 °C while 1 reduced. Therefore, rapid early detection methods distribution chain monitor length of storage needed. The aim this...

Cynara cardunculus subsp. cardunculus, belonging to Asteraceae family, and widely distributed in the Mediterranean area, exhibits high nutraceutical nutritional potential, as compared cultivated varieties. This work reports, for first time, on genetic metabolic characteristics of three natural populations C. present Pollino National Park (Calabria, Italy), referred wild cardoons, collected different areas (Castrovillari, Trebisacce Sibari). One one sardinian genotypes were also analysed...