salt stress tolerance of plants
Environmental Adaptations and Stress Tolerance of Plants in the Era of Climate Change pptx
... potential of plants as crops in a CO 2 rich world can be assessed. Keywords Abiotic stress • Antioxidants • Osmolytes • Oxidative stress Environmental Adaptations and Stress Tolerance of Plants ... PrasadEditorsEnvironmental Adaptations and Stress Tolerance of Plants in the Era of Climate ChangexivContributors Liliana T. Maslenkova Bulgarian Academy of Sciences, Institute of Plant Physiology , Acad. ... Pro accumulation and tolerance to salt, drought, and the combined effects of these stresses. Osmotic stress (particularly mannitol stress) led to a considerable increase of the Pro concentration...
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Tài liệu Phytohormones and Abiotic Stress Tolerance in Plants ppt
... showed elevated levels of expression of ABA response genes such as LEAs. Transgenic rice plants displayed an enhanced ability of drought tolerance (Lu et al. 2009). Expression of OsABF1 was found ... Stimulation of prolinesynthesis by ABA and salt stress was correlated with increase in expression of P5CS1, rate-limiting enzyme in proline biosynthesis. Both ABA and salt induction of P5CS1 transcription ... geneexpression, regulation of protein amount or activity, alteration of cellular metab-olite levels, and changes in homeostasis of ions. Gene regulation at the level of transcription is one of the major control...
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Báo cáo khoa học: Overexpression of putative topoisomerase 6 genes from rice confers stress tolerance in transgenic Arabidopsis plants ppt
... intransgenic plants The induction of numerous stress- responsive genes is ahallmark of stress adaptation in plants. To elucidate fur-ther the role of OsTOP6A3 and OsTOP6B in stress tolerance, ... plants. However, 35S::TOP6B transgenic plants exhibitedslight growth retardation.Abiotic stress tolerance of transgenic Arabidopsis plants The effect of different abiotic stresses was assessed onhomozygous ... concentrations of NaCl (Fig. 8). The increased salt tolerance of thetransgenic plants with respect to wild-type was appar-ent at NaCl concentrations of 150–250 mm. After3 days, only the transgenic plants...
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Báo cáo y học: "Low temperature tolerance of human embryonic stem cells"
... Faculty of Dentistry, National University of Singapore, 5 Lower Kent Ridge Road, 119074 Singapore. 2. Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, ... bioreactors. Conflicts of interest The authors have declared that no conflict of interest exists. References 1. Becker EW. The roles of ATP in the dynamics of the actin filaments of the cytoskeleton. ... establishment of new hESC lines emphasized the use of temperature-heated stage and pre-warmed and pre-equilibrated culture media. Nevertheless, the results of this study would prove otherwise. hESC of...
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Tài liệu Báo cáo khoa học: Salt-induced formation of the A-state of ferricytochrome c – effect of the anion charge on protein structure docx
... magnification of original spectra. (D) Absorption spectra of the acid-denatured K13N mutant (spectrum a), of the K13N mutant after 3 ms of mixing with 40 mM sulfate (spectrum b), and after 5 s of mixingwith ... reagents used were of analytical grade.Construction of horse cytochrome c expressionsystemA version of the horse cytochrome c synthetic gene wasdesigned on the basis of the sequence of a previously ... foldingpathway of proteins and led to the characterization of intermediate states, thus contributing to our under-standing of the protein-folding mechanism [1–9].The non-native compact state of equine...
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Tài liệu Plant physiology - Chapter 4 Water Balance of Plants docx
... determines much of the structure of land plants: (1) an extensive root systemWater Balance of Plants 63Outside air(relative humidity = 50%)Leaf internal air spaceCell wall of mesophyll(at ... tension of water (7.28 × 10–8MPa m)and r is the radius of curvature of the air–water interface.The value of Ypin soil water can become quite negativebecause the radius of curvature of air–water ... commonplace in plants, neces-sitating a host of adaptive responses that modify the phys-iology and development of plants. Web MaterialWeb Topics4.1 IrrigationA discussion of some widely...
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The Algorithmic Beauty of Plants (The Virtual Laboratory) potx
... Parametric2L-systems 431.10.3 Turtle interpretation of parametric words . . . . . 462 Modeling of trees 513 Developmental models of herbaceous plants 633.1 Levels of model specification . . . . . . . . . ... shown in Figure 1.28. The field consistsFlower field of four rows and four columns of plants. All plants are generated by astochastic modification of the L-system used to generate Figure 1.26.4 Chapter ... wider class of IL-systems,alsocalled (k,l)-systems. In a (k,l)-system, the left context is a word of length k and the right context is a word of length l.In order to keep specifications of L-systems...
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Báo cáo khoa học: Cellular response to unfolded proteins in the endoplasmic reticulum of plants pptx
... phosphorylation of eIF2a (Ser51) andattenuation of translation has not been confirmed dur-ing ER stress [49]. Mammalian P58IPKis an inhibitor of PERK [180] which is induced at a later phase of ER stress ... because of mutations or unbalanced ratios of subunits of hetero-oligomeric pro-teins, unfolded or misfolded proteins accumulate in the ER in an eventcalled ER stress. As ER stress often disturbs ... Because deletion of P58IPKincreases the amount of phosphorylated eIF2a in the cell [58], it is thoughtto function as a feedback regulator of translation inthe later phase of ER stress. In Arabidopsis,...
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THE NAMES OF PLANTS potx
... small area. It is a feature of plants that their diversity – of habit, longevity, mode of reproduction and tolerance of environmental conditions –presents a wide range of biologically different ... largelybecause of the popularity of his sexual system, this was to be the case. Botany couldnow contend with the rapidly increasing number of species of plants beingThe Names of Plants 10to ... quantities of fresh water on the plants during long sea voyages, as well asgiving protection from salt spray. In the confusion which resulted from the naming of this flood of plants, and the use of many...
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Cardiovascular tolerance of healthy elderly subjects to weight-lifting exercises pptx
... concentration range (lower limit of detection at 3ng⅐LϪ1). The recent availability of highly sensitive immu-noassay for quantitative determination of the cardiac muscleisoform of the troponin I in ... antibodies for thehuman cardiac isoform of troponin I is extremely high, andthere is no detectable cross-reactivity (Ͻ0.01%) with theskeletal muscle isoforms of troponin I, even for concentra-tions ... usefulness of cTnI to monitor myocardial tolerance of clinically stable and aerobically trained cardiacpatients to weight-lifting exercises.The authors gratefully acknowledge the assistantship of Mr.Michel...
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the genetic manipulation of plants
... requirements of new legislation governing pesticide use. Herbicide tolerance is high-ly qualified because of the frailties of the plants at certain stages of THE HAZARDS OF HERBICIDE–RESISTANT PLANTS 3The ... Tokyo.28 • SEEDS OF CONCERNSEEDS OF CONCERNTHE GENETIC MANIPULATION OF PLANTS David R MurrayUNSWPRESS… the most frequent application of genetic engineering to plants, that of conferring herbicide-resistance, ... slices of still-living (unfixed)plant material, Wilhelm Hofmeister observed the details of pollengrain germination, pollen tube growth and fertilization in representa-tives of 19 families of flowering...
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unsw press seeds of concern the genetic manipulation of plants
... requirements of new legislation governing pesticide use. Herbicide tolerance is high-ly qualified because of the frailties of the plants at certain stages of THE HAZARDS OF HERBICIDE–RESISTANT PLANTS 3SEEDS ... Bombardmentwas carried out after incubation of sliced pieces of callus in the pres-ence or absence of nicotinamide. The main aim of the study was toproduce wheat plants with nuclear male sterility, ... engineering’, which for plants canbe considered as ‘any nonconventional method of genetic manipula-tion dealing with the transfer of genes between plants and from otherorganisms to plants .17Another...
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ABIOTIC STRESS RESPONSE IN PLANTS – PHYSIOLOGICAL, BIOCHEMICAL AND GENETIC PERSPECTIVES docx
... critical for the future fate of the cell leading to adaptation to the stress or to cell death. 2. Perception of salt and osmotic stresses Salt stress is an abiotic stress, for which some perception ... tolerance. It focuses on in depth molecular mechanism of abiotic stress effects on plants. In addition, insights from the genomics area are highlighted in one of the chapters of the book. Of ... adaptation aspects of abiotic stress will be dealt with. The chief objective of the book hence is to deliver state of the art information for comprehending the effects of abiotic stress in plants at...
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THE ROOT SYSTEMS OF PLANTS pptx
... lengths of all the roots, of one wheat plant was about 268 feet, and that the total length of the roots of one plant of rye was about 385 feet. King, of Wisconsin, estimates that in one of his ... THE ROOT SYSTEMS OF PLANTS The great depth and high fertility of the soils of arid and semiarid regions have made possible the profitable production of agricultural plants under a ... or two of laborious experiment conducted about 1867, added the lengths of all the fine roots from each of various plants. He found that the total length of roots, that is, the sum of the lengths...
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THE DISEASES OF PLANTS ppsx
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