Reversible Inactivation of Nitrate Reductase by NADH and the Occurrence of Partially Inactive Enzyme in the Wheat Leaf.

abstract：:Isolated soybean leaf mesophyll cells decarboxylated exogenously added [1-(14)C]glycolate and [1-(14)C]glycine in the dark. The rate of CO(2) release from glycine was inhibited over 90% by isonicotinic acid hydrazide and about 80% by KCN, two inhibitors of the glycine to serine plus CO(2) reaction. The release of CO(2...

journal_title：Plant physiology

authors： Oliver DJ

更新日期：1979-12-01 00:00:00

abstract：:Leaves of Kalanchoë pinnata were exposed in the dark to air (allowing the fixation of CO(2) into malic acid) or 2% O(2), 0% CO(2) (preventing malic acid accumulation). They were then exposed to bright light in the presence or absence of external CO(2) and light dependent inhibition of photosynthetic properties assesse...

journal_title：Plant physiology

authors： Adams WW,Osmond CB

更新日期：1988-01-01 00:00:00

abstract：:Plant defense mechanisms against necrotrophic pathogens, such as Botrytis cinerea, are considered to be complex and to differ from those that are effective against biotrophs. In the abscisic acid-deficient sitiens tomato (Solanum lycopersicum) mutant, which is highly resistant to B. cinerea, accumulation of hydrogen p...

journal_title：Plant physiology

authors： Asselbergh B,Curvers K,Franca SC,Audenaert K,Vuylsteke M,Van Breusegem F,Höfte M

更新日期：2007-08-01 00:00:00

abstract：:The trans-Golgi network (TGN) plays a central role in cellular secretion and has been implicated in sorting cargo destined for the plasma membrane. Previously, the Arabidopsis (Arabidopsis thaliana) echidna (ech) mutant was shown to exhibit a dwarf phenotype due to impaired cell expansion. However, ech also has a prev...

journal_title：Plant physiology

authors： Fan X,Yang C,Klisch D,Ferguson A,Bhaellero RP,Niu X,Wilson ZA

更新日期：2014-03-01 00:00:00

abstract：:Gas exchange of Eurasian watermilfoil (Myriophyllum spicatum L.) indicated a near-zero CO(2) compensation point and a high temperature optimum for photosynthesis. These properties are characteristic of plants fixing CO(2) by a beta-carboxylation mechanism. Operation of the Calvin cycle was shown and no evidence for be...

journal_title：Plant physiology

authors： Stanley RA,Naylor AW

更新日期：1972-07-01 00:00:00

abstract：:Despite generating an obvious mutant phenotype, whether the Arabidopsis (Arabidopsis thaliana) proton gradient regulation5 (pgr5) mutation influences cyclic electron transport (CET) around PSI is a topic of debate. Results of electrochromic shift analysis show that proton conductivity across the thylakoid membrane (gH...

journal_title：Plant physiology

authors： Yamamoto H,Shikanai T

更新日期：2020-09-01 00:00:00

abstract：:The functions of mitochondria during leaf senescence, a type of programmed cell death aimed at the massive retrieval of nutrients from the senescing organ to the rest of the plant, remain elusive. Here, combining experimental and analytical approaches, we showed that mitochondrial integrity in Arabidopsis (Arabidopsis...

journal_title：Plant physiology

authors： Chrobok D,Law SR,Brouwer B,Lindén P,Ziolkowska A,Liebsch D,Narsai R,Szal B,Moritz T,Rouhier N,Whelan J,Gardeström P,Keech O

更新日期：2016-12-01 00:00:00

abstract：:Both the red-absorbing (Pr) and far red-absorbing (Pfr) forms of phytochrome undergo destruction, defined as the loss of photoreversibly detectable chromoprotein following actinic irradiation of dark-grown tissue, in 4-day-old etiolated oat seedlings. Pr and Pfr destruction follow the same time course, exhibit the sam...

journal_title：Plant physiology

authors： Stone HJ,Pratt LH

更新日期：1979-04-01 00:00:00

abstract：:Acetophenones are phenolic compounds involved in the resistance of white spruce (Picea glauca) against spruce budworm (Choristoneura fumiferiana), a major forest pest in North America. The acetophenones pungenol and piceol commonly accumulate in spruce foliage in the form of the corresponding glycosides, pungenin and ...

journal_title：Plant physiology

authors： Mageroy MH,Jancsik S,Man Saint Yuen M,Fischer M,Withers SG,Paetz C,Schneider B,Mackay J,Bohlmann J

更新日期：2017-10-01 00:00:00

abstract：:In air largely freed from CO(2), senescence of isolated oat (Avena sativa cv Victory) seedling leaves is no longer prevented by white light; instead, the leaves lose both chlorophyll and protein as rapidly as in the dark. Senescence in light is also accelerated in pure O(2), but it is greatly delayed in N(2); 100% N(2...

journal_title：Plant physiology

authors： Satler SO,Thimann KV

更新日期：1983-01-01 00:00:00

abstract：:Low red light/far-red light ratio (R:FR) serves as an indicator of impending competition and has been demonstrated to suppress branch development. The regulation of Arabidopsis (Arabidopsis thaliana) rosette bud outgrowth by the R:FR and the associated mechanisms were investigated at several levels. Growth under low R...

journal_title：Plant physiology

authors： Reddy SK,Holalu SV,Casal JJ,Finlayson SA

更新日期：2013-10-01 00:00:00

abstract：:The separate package and spillover models of photosynthetic enhancement are generalized and extended to light saturation assuming hyperbolic or exponential rate versus intensity curves. The available data are more consistent with the exponential model at high light intensities. Two significant conclusions follow: (a) ...

journal_title：Plant physiology

authors： Pickett JM

更新日期：1971-02-01 00:00:00

abstract：:Gametophore-over-producing mutants of the moss, Physcomitrella patens, when grown in liquid culture export high levels of cytokinin into their culture medium. The cytokinin produced by these mutants is postulated to account for their peculiar phenotype, that of mosses treated with exogenous cytokinin. N(6)-(Delta(2)-i...

journal_title：Plant physiology

authors： Wang TL,Horgan R,Cove D

更新日期：1981-09-01 00:00:00

abstract：:NAD-dependent glyceraldehyde-3-phosphate dehydrogenase (GAPDH) is a ubiquitous enzyme involved in the glycolytic pathway. It has been widely demonstrated that mammalian GAPDH, in addition to its role in glycolysis, fulfills alternative functions mainly linked to its susceptibility to oxidative posttranslational modifi...

journal_title：Plant physiology

authors： Vescovi M,Zaffagnini M,Festa M,Trost P,Lo Schiavo F,Costa A

更新日期：2013-05-01 00:00:00

abstract：:An experimental chemical N-[2-(2-oxo-1-imidazolidinyl)ethyl]-N'-phenylurea (EDU), is an effective protectant against acute and chronic foliar injury due to ozone (0(3)) when sprayed on intact leaves or supplied to the plants through soil application. An 0(3)-sensitive snap bean cultivar (Phaseolus vulgaris L. ;Bush Bl...

journal_title：Plant physiology

authors： Lee EH,Bennett JH

更新日期：1982-06-01 00:00:00

abstract：:Stationary volume fluxes through living and denatured parenchyma slices of the potato (Solanum tuberosum L.) storage organ were studied to estimate the hydraulic conductivity of the cell wall and to evaluate the significance of water transport through protoplasts, cell walls, and intercellular spaces. Slices were plac...

journal_title：Plant physiology

authors： Michael W,Schultz A,Meshcheryakov AB,Ehwald R

更新日期：1997-11-01 00:00:00

abstract：:When barley roots absorb Na(+) at concentrations ranging from 1 to 50 mm, in the presence of low concentrations of Ca(2+) and K(+), absorption of Na(+) is mediated by carrier mechanism 2 of alkali cation transport, mechanism 1 being unavailable for Na(+) transport under these conditions. The absorption isotherm depict...

journal_title：Plant physiology

authors： Rains DW,Epstein E

更新日期：1967-03-01 00:00:00

abstract：:As part of a more detailed study on plant tumorigenesis, the action of gibberellic acid (GA(3)) in wounded potato tuber tissues as a model system has been evaluated. GA(3) stimulates total RNA synthesis in wounded tissues, the optimal concentration being 0.1 micromolar. The responsiveness of the tissue toward the horm...

journal_title：Plant physiology

authors： Wielgat B

更新日期：1979-11-01 00:00:00

abstract：:Some clones of Spirodela polyrrhiza form dormant bodies called turions which require several weeks of chilling treatment before they proceed to renew growth and develop into vegetative fronds. The individual fronds of Spirodela are less than 5 mm long and can be grown aseptically in liquid culture. Turion formation an...

journal_title：Plant physiology

authors： Perry TO

更新日期：1968-11-01 00:00:00

abstract：:Phycobilisomes of Tolypothrix tenuis, a cyanobacterium capable of complete chromatic adaptation, were studied from cells grown in red and green light, and in darkness. The phycobilisome size remained constant irrespective of the light quality. The hemidiscoidal phycobilisomes had an average diameter of about 52 nanome...

journal_title：Plant physiology

authors： Ohki K,Gantt E,Lipschultz CA,Ernst MC

更新日期：1985-12-01 00:00:00

abstract：:Here, we present a genome-wide overview of transcriptional circuits in the agriculturally significant crop species maize (Zea mays). We examined transcript abundance data at 50 developmental stages, from embryogenesis to senescence, for 34,876 gene models and classified genes into 24 robust coexpression modules. Modul...

journal_title：Plant physiology

authors： Downs GS,Bi YM,Colasanti J,Wu W,Chen X,Zhu T,Rothstein SJ,Lukens LN

更新日期：2013-04-01 00:00:00

abstract：:The pool sizes of free l-phenylalanine and l-tyrosine, the precursors of rosmarinic acid in Anchusa officinalis L. cell suspension cultures, fluctuated during the culture cycle. The major increase in pool sizes was preceded by a peak of prephenate aminotransferase activity, while the subsequent decrease coincided with...

journal_title：Plant physiology

authors： De-Eknamkul W,Ellis BE

更新日期：1989-02-01 00:00:00

abstract：:Root size and architecture are important crop plant traits, as they determine access to water and soil nutrients. The plant hormone cytokinin is a negative regulator of root growth and branching. Here, we generated transgenic barley (Hordeum vulgare) plants with an enlarged root system by enhancing cytokinin degradati...

journal_title：Plant physiology

authors： Ramireddy E,Hosseini SA,Eggert K,Gillandt S,Gnad H,von Wirén N,Schmülling T

更新日期：2018-07-01 00:00:00

abstract：:Arabidopsis (Arabidopsis thaliana) GARP (Golden2, ARR-B, Psr1) family transcription factors, GOLDEN2-LIKE1 and -2 (GLK1/2), function in different biological processes; however, whether and how these transcription factors modulate the response to abscisic acid (ABA) remain unknown. In this study, we used a glk1 glk2 do...

journal_title：Plant physiology

authors： Ahmad R,Liu Y,Wang TJ,Meng Q,Yin H,Wang X,Wu Y,Nan N,Liu B,Xu ZY

更新日期：2019-04-01 00:00:00

abstract：:Spectral scanning was used to provide estimates of the leakage of the cyanogenic glucoside, dhurrin (p-hydroxy-[S]-mandelonitrile-beta-d-glucoside), and its metabolite, p-hydroxybenzaldehyde (p-HB), from young light-grown shoots of Atlas sorghum (Sorghum bicolor [L.] Moench) when these shoots were immersed in water, t...

journal_title：Plant physiology

authors： Haskins FA,Gorz HJ

更新日期：1984-07-01 00:00:00

abstract：:The delivery of proteins instead of DNA into plant cells allows for a transient presence of the protein or enzyme that can be useful for biochemical analysis or genome modifications. This may be of particular interest for genome editing, because it can avoid DNA (transgene) integration into the genome and generate pre...

journal_title：Plant physiology

authors： Martin-Ortigosa S,Peterson DJ,Valenstein JS,Lin VS,Trewyn BG,Lyznik LA,Wang K

更新日期：2014-02-01 00:00:00

abstract：:A vibrating probe was used to measure the changes in ionic currents around gravistimulated roots of Zea mays L. in an effort to determine whether these currents are involved in stimulus transduction from the root cap to the elongation zone. We did not observe a migration of the previously reported auxin-insensitive cu...

journal_title：Plant physiology

authors： Collings DA,White RG,Overall RL

更新日期：1992-11-01 00:00:00

abstract：:Cobalt was shown to be essential for the symbiotic growth of Azolla filiculoides and Anabacna azollac in the absence of fixed nitrogen. Addition of 0.01 mug/liter cobalt resulted in large increases in yield, chlorophyll content and nitrogen fixation as compared to control cultures without cobalt. Cobalt was not requir...

journal_title：Plant physiology

authors： Johnson GV,Mayeux PA,Evans HJ

更新日期：1966-05-01 00:00:00

abstract：:Blue light is known to induce suppression of stem elongation. To avoid the complication of blue-light-induced transformation of phytochrome we have adapted the procedure of measuring blue-light-induced suppression of stem elongation in Pisum sativum L. var Alaska grown under continuous red light. The resulting fluence...

journal_title：Plant physiology

authors： Warpeha KM,Kaufman LS

更新日期：1989-02-01 00:00:00

abstract：:Fructose 2,6-bisphosphate inhibits phosphoglucomutase noncompetitively with respect to the cofactor glucose 1,6-bisphosphate. Previous studies from our laboratory had shown that phosphoglucomutase was activated by fructose 2,6-bisphosphate in the absence of added glucose 1,6-bisphosphate. The fructose 2,6-bisphosphate...

journal_title：Plant physiology

authors： Galloway CM,Dugger WM,Black CC

更新日期：1988-12-01 00:00:00