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Main conclusionCo-cultures ofPinus pinasterwithBursaphelenchus xylophiluswere established as a biotechnological tool to evaluate the effect of nematotoxics addition in a host/parasite culture system. The pinewood nematode (PWN), Bursaphelenchus xylophilus, the causal agent of pine wilt disease (PWD), was detected for the first time in Europe in 1999 spreading throughout the pine forests...
Main conclusionThe characterization and compare expression profiling of the miRNA transcriptome lay a solid foundation for unraveling the complex miRNA-mediated regulatory network in tomato resistance mechanisms against LB. MicroRNAs (miRNAs) are a class of small endogenous non-coding RNAs with 20–24 nt. They have been identified in many plants with their diverse regulatory roles in biotic stresses...
Main conclusionStrigolactone changes and cross talk with ABA unveil a picture of root-specific hormonal dynamics under stress. Abstract Strigolactones (SLs) are carotenoid-derived hormones influencing diverse aspects of development and communication with (micro)organisms, and proposed as mediators of environmental stimuli in resource allocation processes; to contribute to adaptive adjustments,...
Main conclusionCyclic leaf ascent and descent occur in synchrony and phase congruence with the lunisolar tidal force under a broad range of conditions. Digitized records of the vertical leaf movements of Arabidopsis thaliana were collected under space flight conditions in the International Space Station (ISS). Oscillations of leaf movements with periods of 45 and 90 min were found under light-adapted...
Main conclusionDrought-tolerant rice variety, Nagina 22 (N22), has a unique spikelet miRNome during anthesis stage drought as well as transition from heading to anthesis. Molecular characterization of genetic diversity of rice is essential to understand the evolution and molecular basis of various agronomically important traits such as drought tolerance. miRNAs play an important role in regulating...
Main conclusionOver-expression of the unedited mitochondrialorfBgene product generates male sterility in fertileindicarice lines in a dose-dependent manner. Cytoplasmic male sterility (CMS) and nuclear-controlled fertility restoration are widespread developmental features in plant reproductive systems. In self-pollinated crop plants, these processes often provide useful tools to exploit...
Main conclusionWe have characterized four novel constitutive promotersARP1, H3F3, HSPandH2BF3that are active in all tissues/stages of transgenic plants and stable over two homozygous generations. Gene promoters that are active and stable over several generations in transgenic plants are valuable tools for plant research and biotechnology. In this study, we characterized four putative...
Main conclusionIn summary, we could show the involvement of a Hik8-cascade in the expression of genes involved in the glycolytic and OPP pathways induced by GPL, and another signal pathway under photosynthetic conditions inSynechocystis. The Hik8-cascade under GPL conditions may regulate glucose degradation to produce some energy and carbon compounds. This cascade might be important for the supply of organic materials such as amino acids and nucleotides through enhancement of the rates of the glycolysis and OPP pathways....
Main conclusionEckol, a major phenolic compound isolated from brown seaweed significantly enhanced the bulb size and bioactive compounds in greenhouse-grownEucomis autumnalis. We investigated the effect of eckol and phloroglucinol (PG) (phenolic compounds) isolated from the brown seaweed, Ecklonia maxima (Osbeck) Papenfuss on the growth, phytochemical and auxin content in Eucomis autumnalis...
Main conclusionComparative and association analyses of the proteome and transcriptome for pear fruit development were conducted for the first time in this study. Pear fruit development involves complex physiological and biochemical processes, but there is still little knowledge available at proteomic and transcriptomic levels, which would be helpful for understanding the molecular mechanisms of...
Main conclusionA potato mutant with a strong stress-response phenotype, and a partial mutant revertant, were characterized. Gene expression patterns and DNA cytosine methylation varied between these and wild-type, indicating a role for DNA cytosine methylation changes in the gene expression and visible phenotypes. Abstract Morphological and molecular studies were conducted to compare potato...
Main conclusionsOne hundred DDB1 (damaged DNA binding protein-1)-binding WD40-repeat domain (DWD) family genes were identified in theS. lycopersicumgenome. TheDWDgenes encode proteins presumably functioning as the substrate recognition subunits of the cullin4-ring ubiquitin E3 ligase complex. These findings provide candidate genes and a research platform for further gene functionality and molecular breeding study....
Main conclusionDuring senescence, production of reactive oxygen species increased in thylakoids. In two barley varieties, no difference in superoxide production was observed while singlet oxygen production increased only in one variety. Abstract During senescence, chlorophyll content decreased and photosynthetic electron transport was inhibited as shown for flag leaves collected from barley...
Main conclusionThis paper reviews the progress and current problems in the field of cotton microRNAs. Cotton is not only one of the most important crops in terms of fiber usage and economic value, but also a model species for investigating cell wall and cellulose biosynthesis as well plant polyploidization. Compared with model plant species, such as Arabidopsis and rice, the research on cotton...
Main conclusionOf the three functional FPPS identified in maize,fpps3is induced by herbivory to produce FDP important for the formation of the volatile sesquiterpenes of plant defense. Sesquiterpenes are not only crucial for the growth and development of a plant but also for its interaction with the environment. The biosynthesis of sesquiterpenes proceeds over farnesyl diphosphate (FDP),...
Main conclusionCadmium toxicity is alleviated by iron and manganese supplements because of reduction in cadmium accumulation and upholding of redox regulation that prevent cadmium-inducible damage to root growth and photosynthesis. Cadmium toxicity in Oryza sativa L. MTU 7029 was investigated in the presence of different concentrations of the micronutrients Fe and Mn. It had been observed that...
Main conclusionTen of 34 tested duckweed clones showed relatively higher salt tolerance. Salinity stress induced high level of starch accumulation in these clones, making them potential feedstock candidates for biofuel production. Duckweeds are promising as a new generation of crop plants that requires minimal input while providing fast biomass production. Two important traits of interest that...
Main conclusionThe orange head phenotype ofBr-orresulted from a large insertion incarotenoid isomerase (BrCRTISO) . Comparative transcriptome analysis revealed that the mutation affected the expression of abundant transcription factor genes. A new orange trait-specific marker was developed for marker-assisted breeding. Orange head leaves are a desirable quality trait for Chinese cabbage...
Main conclusionExtensive characterization of the poplarGH9 gene family provides new insights intoGH9function and evolution in woody species, and may drive novel progress for molecular breeding in trees. Abstract In higher plants, endo-β-1,4-glucanases (cellulases) belonging to the glycosyl hydrolase family 9 (GH9) have roles in cell wall synthesis, remodeling and degradation. To increase...
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