Showing papers in "Plant Science in 2007"

TL;DR: The term “stress imprint” is used in this review to describe this plant-based phenomenon because sustained alterations in levels of key signalling metabolites or transcription factors could provide an explanation for how plant metabolism is altered by exposure to various stresses.

TL;DR: The present study demonstrates that there are two main type kinds of surface structures in the natural plant leaves with superhydrophobicity, one is the micro-and nanostruture and the other is micro-line structure.

TL;DR: This review is focused mainly on the essential role of NO in plant signalling network, leading to the expression of defence response genes under various stress conditions and its ability to directly interact with other molecules and signals.

TL;DR: This review summarizes molecular information available about the early stages of the elicitation process and the mode of action of elicitors and relevant experimental approaches used to study these topics are discussed.

TL;DR: The present study suggests the SNP markers as the best class of markers for characterizing and conserving the genebank materials and the AFLP and SSR markers more suitable for diversity analysis and fingerprinting.

TL;DR: A clear link between ethylene in regulating susceptibility to heat stress or perception of high temperatures as a timing signal for transitioning to developmental arrest and senescence in certain wheat genotype classes is demonstrated.

TL;DR: This review presents the state of current knowledge on plant catecholamines, a group of amines with a 3,4-dihydroxy-substituted phenyl ring which protect plants against pathogens and are involved in nitrogen detoxification.

TL;DR: Two conserved motifs CACGTA and CACGCACG were found to be overrepresented in the 1 kb upstream regions of the ABA-induced and drought-induced LEA genes.

TL;DR: It is observed that the mechanism of nitrogen deficiency tolerance due to enhanced PAL activity is temporally limited, and this is an important biochemical factor contributing to the observed increase of phenolic compounds accumulation by producing nitrogen-free skeletons of t -cinnamate for subsequent pathways of phenylpropanoid metabolism.

TL;DR: QTL analysis showed that several putative genomic regions are involved in the total variation of water status traits under two water treatments, and the usefulness of these QTLs for marker-assisted selection should therefore be evaluated under field conditions, and validated in other genetic backgrounds.

TL;DR: Results suggest that EgMYB1, a new member of subgroup 4, is a negative regulator of the lignin branch pathway and represents a new tool for controllingLignin profiles in plants.

TL;DR: Quantitative real-time RT-PCR data is presented for different stages of grain and pericarp development, as well as several other C. canephora tissues and Elevated HCT and CCoAOMT1 expression in branch tissues strongly suggests the products of these genes are associated with increased lignin synthesis, while higher HQT expression appears to be more closely correlated with CGA accumulation.

TL;DR: The observed differential phosphorylation pattern of DHN-5 in the resistant and sensitive wheat varieties could be used as a basis for a molecular screen of tolerance/sensitivity to drought and salt stresses in wheat germplasm.

TL;DR: A more effective method of research for decision-making follows principles exemplified by ecotoxicology: research problems are selected by policy relevance; testing of risk hypotheses that predict no harm of the transgenic plants to things of value; a preference for tests of ecosystem function, simple comparative models, and accurate and relevant, if qualitative, predictions; and favouring tests of hypotheses under conditions that provide most rigour.

TL;DR: Evaluated physiological and anatomical changes that occur in Arbutus unedo plants under saline conditions in order to understand the response of this species to salinity found a significant decrease in total biomass, leaf area and plant height.

TL;DR: The results suggest that endogenous SA may function in A. thaliana as a signaling molecule necessary to generate, to sustain or to amplify Cd-induced oxidative stress.

TL;DR: It is found that whereas a great majority of cytosine methylation sites manifested faithful epigenetic inheritance, from 6.59% to 11.92% of the sites showed altered parental patterns in hybrids, with the extent of deviation being depending on both direction of the cross and parental combinations.

TL;DR: Large numbers of miRNA targets were predicted, some of which were validated or confirmed experimentally, and the unexpected new data about miRNAs imply that the authors just make the first step in the small RNA world.

TL;DR: The LeHAK5 expression pattern parallels the presence of high-affinity K + uptake in tomato plants which suggests that this gene is encoding an important component of K ++) uptake in the micromolar range ofK + concentrations.

TL;DR: A novel role for calcium oxalate in disease susceptibility is proposed and may increase the availability of nutrients for the fungal mycelia and may contribute to the disease cycle in this plant–fungal hemibiotrophic interaction.

TL;DR: Results indicated that CO performed an advantageous effect on attenuation of inhibition of seed germination and seedling growth induced by salt stress, and alleviated oxidative damage via activating anti-oxidant enzymes.

TL;DR: Transgenic tomato plants overexpressing Osmyb4 acquired a higher tolerance to drought stress and to virus disease, however, the transgenic plants did not appear to be more cold tolerant than the WT, in any tested condition.

TL;DR: Data suggest that OsNAC19 protein is a transcriptional activator involved in rice response to infection by M. grisea and may play a role in the MeJA-mediated signaling pathway.

TL;DR: The present data show that ethanol treatment not only causes direct insolubilization of proanthocyanidins, but also affects the regulation of pro Anthracyanidin synthesis at the transcriptional level, and demonstrates that persimmon fruit can serve as a profitable material to study proanthcyanid in accumulation at molecular level.

TL;DR: A proteomic analysis of rice roots in hydroponic cultivation demonstrated that induction of S-adenosylmethionine synthetase is a significant and unique response to Al stress, suggesting that SAM is related to ethylene-mediated inhibition of root growth and/or the alteration of cell wall structures and polymers in roots.

TL;DR: Results from qRT-PCR analysis demonstrated a similar trend as observed by microarray analysis and highlighted the potential involvement of these genes in mediating plant responses to the pathogen.

TL;DR: Molecular analysis of transgenic plants demonstrated that transgenes were integrated into the barley genome and subsequently transmitted into progeny at Mendelian ratios, and the developed protocol will facilitate the insertion of desirable traits into barley via Agrobacterium -mediated transformation.

TL;DR: Results showed that in Clemenules mandarin water stress induced specific up-regulation of CcNCED3 in photosynthetically active tissues such as leaves and developing ovaries, and on the other hand, Cc NCED5 was preferentially induced inClemenulesMandarin ripening fruits.

TL;DR: It is suggested that coordinate up-regulation of V-H + -ATPase activity and Na + /H + antiporter activity play a pivotal role in Na + sequestering into vacuoles of S. salsa.

TL;DR: P phylogenetic relationships of many K+ transporters in rice are analyzed since rice is considered as a model plant because of its high degree of co-linearity with other cereals and while cereals are closely related, Arabidopsis appeared quite distant from rice.