salt stress tolerance of plants ppt

Ngày tải lên: 05/07/2014, 23:21

Ngày tải lên: 06/07/2014, 02:20

... 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 ... Prasad Editors Environmental Adaptations and Stress Tolerance of Plants in the Era of Climate Change xiv Contributors 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...

Ngày tải lên: 14/03/2014, 10:20

... 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 proline synthesis 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 ... gene expression, 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...

Ngày tải lên: 14/02/2014, 12:20

Ngày tải lên: 16/03/2014, 11:20

Ngày tải lên: 29/06/2014, 15:20

Ngày tải lên: 06/07/2014, 02:20

Ngày tải lên: 30/03/2014, 10:20

Ngày tải lên: 05/07/2014, 23:21

... mechanism of amplification that may account for many of the biological effects of aldehydes. The zinc-releasing activity of aldehydes establishes relationships among cellular zinc, the functions of endogenous ... transcription of the apoprotein thionein, which also reacts with alde- hydes. Indeed, addition of a hexapeptide that contains three of the 20 cysteines of thionein suppresses the for- mation of protein–hydroxynonenal ... exception of formaldehyde, none of the aldehydes affects the absorbance of PAR. The data for the reaction of MT with formalde- hyde were corrected for the absorbance changes in the absence of MT. Thiol...

Ngày tải lên: 19/02/2014, 06:20

... Scientific Services Department of the Weizmann Institute by a single injection of 150 lg of the purified protein, followed by two booster shots of the same amount of protein at 2-week intervals. Serum ... 5, the addition of DNP or CCCP to exponential cultures led to an immediate arrest of growth followed by an increased expression of UP12. In the presence of DNP, the induction of UP12 was somewhat slower ... amount of UP12 in the samples and was estimated, as described in the legend to Fig. 4. (A) Effect of addition of 4 m M DNP on cell growth (h) and expression of UP12 (j). (B) Monitoring of cell...

Ngày tải lên: 22/02/2014, 07:20

... light quality gradient decreases the efficiency of the photosynthetic light reaction as a result of imbalanced excitation of the two photosystems. Plants counteract such con- ditions by performing ... dynam- ics and flexibility of the photosynthetic apparatus. EMBO J 20, 3623–3630. 17 Haldrup A, Jensen PE, Lunde C & Scheller HV (2001) Balance of power: a view of the mechanism of photo- synthetic ... appear- ance of clouds and the leaf movement by wind. Biotic influences depend mainly on the individual position of a plant within an ecosystem, the density of the plant stand or, in case of algae,...

Ngày tải lên: 16/03/2014, 06:20

Ngày tải lên: 22/03/2014, 10:20

Ngày tải lên: 28/03/2014, 20:20

... 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...

Ngày tải lên: 31/10/2012, 16:57

... VARIETIES OF ENGLISH 02 pages 001-136 6/8/02 1:26 pm Page 6 3 Vocabulary The question of what is included in the vocabulary of a particular variety of English (or any other language) raises a number of ... was a mixture of types: on the one hand the plan- tations involved the importation of English by the importation of English speakers, on the other, many of the distinctive points of Irish English ... have provided so much of the input to New World and southern hemisphere varieties of English, it is perhaps more useful from the point of view of this book to view them as part of the colonising...

Ngày tải lên: 09/12/2013, 15:15

... Anyone who thinks that security products alone offer true security is settling for. the illusion of security. It's a case of living in a world of fantasy: They will inevitably, later if not ... human firewall is often easy, requires no investment beyond the cost of a phone call, and involves minimal risk. A CLASSIC CASE OF DECEPTION What's the greatest threat to the security of your business ... caper eventually made it into the pages of the Guinness Book of World Records in the category of "biggest computer fraud." Stanley Rifkin had used the art of deception the skills and techniques...

Ngày tải lên: 09/12/2013, 17:15

... Style rules of this sort are, of course, somewhat a matter of individual preference, and even the established rules of grammar are open to challenge. Professor Strunk, although one of the most ... every statement. A mannerism of this kind, bad in speech, is even worse in writing. Character. Often simply redundant, used from a mere habit of wordiness. acts of a hostile character hostile ... chances of success. 13. Make the paragraph the unit of composition. The paragraph is a convenient unit; it serves all forms of literary work. As long as it holds together, a paragraph may be of...

Ngày tải lên: 10/12/2013, 00:15

... Printing Office disseminates official information from all three branches of the United States Federal Government • Services and information by non-profit organizations and by for-profit businesses ... improvement • Professional editors proofread as many as ten times. Publishing houses hire teams of readers to work in pairs, reading out loud. And still errors occur. Cultivate a sense of doubt Take ... L-Soft "the official catalog of LISTSERV ® lists" • Resources at your local (public) library These may require membership or registration • Newspaper, journal, magazine databases Often...

Ngày tải lên: 10/12/2013, 02:15

... spring has more mass per unit of length. A series of waves starts traveling from the thick spring to the thin one, a distance of λ = 1 cm between the peaks, a frequency of 4 wave peaks going by every ... amount of charge, there’s more potential energy per unit of charge, more potential. ∆V -Q +Q Switch opened before plates moved apart University of Maryland Department of Physics ... see both ends of the bunny. 2) The figure below shows several of the light rays coming off an object and passing through a lens. Where could you put your eye to see an image of the candle?...

Ngày tải lên: 10/12/2013, 04:15