Relative activities of NAD- and NADP- isocritric dehydrogenases in bean mitochondria modified by glycerol or NADP.

abstract：:Potato (Solanum tuberosum) tuber, a swollen underground stem, is used as a model system for the study of dormancy release and sprouting. Natural dormancy release, at room temperature, is initiated by tuber apical bud meristem (TAB-meristem) sprouting characterized by apical dominance (AD). Dormancy is shortened by tre...

journal_title：Plant physiology

authors： Teper-Bamnolker P,Buskila Y,Lopesco Y,Ben-Dor S,Saad I,Holdengreber V,Belausov E,Zemach H,Ori N,Lers A,Eshel D

更新日期：2012-04-01 00:00:00

abstract：:Tomato Atypical Receptor Kinase 1 (TARK1) is a pseudokinase required for postinvasion immunity. TARK1 was originally identified as a target of the Xanthomonas euvesicatoria effector protein Xanthomonas outer protein N (XopN), a suppressor of early defense signaling. How TARK1 participates in immune signal transduction...

journal_title：Plant physiology

authors： Guzman AR,Kim JG,Taylor KW,Lanver D,Mudgett MB

更新日期：2020-07-01 00:00:00

abstract：:Previously the Arabidopsis (Arabidopsis thaliana) zinc finger protein OXIDATIVE STRESS2 (AtOXS2) and four OXS2-like (AtO2L) family members were described to play a role in stress tolerance and stress escape. For stress escape, SOC1 was a target of AtOXS2. However, for stress tolerance, the downstream targets were not ...

journal_title：Plant physiology

authors： He L,Ma X,Li Z,Jiao Z,Li Y,Ow DW

更新日期：2016-07-01 00:00:00

abstract：:Experiments with horizontal etiolated sunflower (Helianthus annuus L.) seedlings supported centrally such that both apical and basal ends are free to react to geostimulus, revealed that the apical end commences curvature 1 to 2 hours earlier than the basal end. The later curvature in the basal region is a consequence ...

journal_title：Plant physiology

authors： Hart JW,Macdonald IR

更新日期：1984-02-01 00:00:00

abstract：:Vitamin B6, an essential cofactor for a range of biochemical reactions and a potent antioxidant, plays important roles in plant growth, development, and stress tolerance. Vitamin B6 deficiency causes embryo lethality in Arabidopsis (Arabidopsis thaliana), but the specific role of vitamin B6 biosynthesis in endosperm d...

journal_title：Plant physiology

authors： Yang YZ,Ding S,Wang Y,Li CL,Shen Y,Meeley R,McCarty DR,Tan BC

更新日期：2017-06-01 00:00:00

abstract：:Long chain cyclopropane fatty acids were observed in the sulfolipid fraction extracted from leaves of the early spring plants Galanthus nivalis L. and Anthriscus silvestris L. (Hoffm.). The content of cyclopropane fatty acids with 25 carbon atoms appeared to be clearly correlated with earliness in spring, and it range...

journal_title：Plant physiology

authors： Kuiper PJ,Stuiver B

更新日期：1972-03-01 00:00:00

abstract：:The relationship between the state of oligomerization and activity of purified maize leaf phosphoenolpyruvate carboxylase using size exclusion high performance liquid chromatography was examined. Maximum activities of 35 to 38 micromoles per minute per milligram protein were found when 100% of the enzyme was in its te...

journal_title：Plant physiology

authors： Walker GH,Ku MS,Edwards GE

更新日期：1986-04-01 00:00:00

abstract：:Folates typically have gamma-linked polyglutamyl tails that make them better enzyme substrates and worse transport substrates than the unglutamylated forms. The tail can be shortened or removed by the vacuolar enzyme gamma-glutamyl hydrolase (GGH). It is known that GGH is active only as a dimer and that plants can hav...

journal_title：Plant physiology

authors： Akhtar TA,McQuinn RP,Naponelli V,Gregory JF 3rd,Giovannoni JJ,Hanson AD

更新日期：2008-10-01 00:00:00

abstract：:Adenine phosphoribosyltransferase activity was measured in extracts of soybean (Glycine max var. Acme) callus and of senescing barley leaves (Hordeum distichon c.v. Prior). The enzyme from soybean callus had Michaelis constants for adenine and 5-phosphoribosyl pyrophosphate of 1.5 and 7.5 mum respectively and was inhi...

journal_title：Plant physiology

authors： Nicholls PB,Murray AW

更新日期：1968-04-01 00:00:00

abstract：:Chenopods synthesize betaine by a two-step oxidation of choline: choline --> betaine aldehyde --> betaine. The pathway is chloroplastic; the first step has been shown in isolated spinach (Spinacia oleracea L.) chloroplasts to be O(2)- and light-dependent, the role of light being to provide reducing power (P Weigel, EA...

journal_title：Plant physiology

authors： Lerma C,Hanson AD,Rhodes D

更新日期：1988-11-01 00:00:00

abstract：:Gene expression in the aleurone and endosperm is highly regulated during both seed development and germination. Studies of alpha-amylase expression in the aleurone of barley (Hordeum vulgare) have generated the current paradigm for hormonal control of gene expression in germinating cereal grain. Gene expression studie...

journal_title：Plant physiology

authors： Gallie DR,Young TE

更新日期：1994-11-01 00:00:00

abstract：:Hydroperoxide lyase (HPLS) activity in soybean (Glycine max) seed/seedlings, leaves, and chloroplasts of leaves required detergent solubilization for maximum in vitro activity. On a per milligram of protein basis, more HPLS activity was found in leaves, especially chloroplasts, than in seeds or seedlings. The total yi...

journal_title：Plant physiology

authors： Gardner HW,Weisleder D,Plattner RD

更新日期：1991-11-01 00:00:00

abstract：:Nickel was established as an essential micronutrient for the growth of temperate cereal crops. Grain from barley (Hordeum vulgare L. cv ;Onda'; containing 40 to 80 nanograms of Ni per gram dry weight) grown in solution culture with negligible Ni concentrations (< 30 nanograms of Ni per liter) exhibited greatly reduced...

journal_title：Plant physiology

authors： Brown PH,Welch RM,Cary EE

更新日期：1987-11-01 00:00:00

abstract：:We have examined the expression of acyl carrier protein (ACP) mRNA levels and ACP activity in leaves, where fatty acids function primarily in membrane synthesis, and in developing soybean seeds, where fatty acids are primarily used for oil storage. An RNA probe transcribed from a synthetic spinach ACP-I gene hybridize...

journal_title：Plant physiology

authors： Hannapel DJ,Ohlrogge JB

更新日期：1988-04-01 00:00:00

abstract：:Diurnal changes in levels of selected metabolites associated with glycolysis, the C(3) cycle, C(4)-organic acids, and storage carbohydrates were analyzed in active Kalanchoë daigremontiana Crassulacean acid metabolism leaves. Three metabolic transition periods occurred each day. During the first two hours of light, ne...

journal_title：Plant physiology

authors： Kenyon WH,Holaday AS,Black CC

更新日期：1981-11-01 00:00:00

abstract：:Cell-free extracts from gibberellic acid-treated barley (Hordeum vulgare L. cv. Himalaya) aleurone layers show phosphorylcholine glyceride transferase activity greater than that from control layers. The increase in activity is not prevented by a mixture of amino acid analogs nor by cordycepin under conditions in which...

journal_title：Plant physiology

authors： Ben-Tal Y

更新日期：1974-12-01 00:00:00

abstract：:Young plants of five Nicotiana tabacum L. genotypes were examined for activity of nicotine biosynthetic enzymes. Genotypes near isogenic except at two loci each with two alleles controlling nicotine level were used in a comparison of the four homozygous allelic combinations producing high, high intermediate, low inter...

journal_title：Plant physiology

authors： Saunders JW,Bush LP

更新日期：1979-08-01 00:00:00

abstract：:Fruit firmness in tomato (Solanum lycopersicum) is determined by a number of factors including cell wall structure, turgor, and cuticle properties. Firmness is a complex polygenic trait involving the coregulation of many genes and has proved especially challenging to unravel. In this study, a quantitative trait locus ...

journal_title：Plant physiology

authors： Chapman NH,Bonnet J,Grivet L,Lynn J,Graham N,Smith R,Sun G,Walley PG,Poole M,Causse M,King GJ,Baxter C,Seymour GB

更新日期：2012-08-01 00:00:00

abstract：:A bioassay to measure the incorporation of [(14)C]leucine into acid-precipitable polymers of suspension-cultured sycamore (Acer pseudoplatanus L.) cells is described. Using this assay, cell wall fragments solubilized from sycamore cell walls by partial acid hydrolysis are shown to contain components that inhibit the i...

journal_title：Plant physiology

authors： Yamazaki N,Fry SC,Darvill AG,Albersheim P

更新日期：1983-07-01 00:00:00

abstract：:Glucose modulates plant metabolism, growth, and development. In Arabidopsis (Arabidopsis thaliana), Hexokinase1 (HXK1) is a glucose sensor that may trigger abscisic acid (ABA) synthesis and sensitivity to mediate glucose-induced inhibition of seedling development. Here, we show that the intensity of short-term respons...

journal_title：Plant physiology

authors： Matiolli CC,Tomaz JP,Duarte GT,Prado FM,Del Bem LE,Silveira AB,Gauer L,Corrêa LG,Drumond RD,Viana AJ,Di Mascio P,Meyer C,Vincentz M

更新日期：2011-10-01 00:00:00

abstract：:We screened a total of 1365 pea (Pisum sativum) lines for response to inoculation with Agrobacterium tumefaciens, strain B6, and characterized resistance in one cultivar, Sweet Snap. Sweet Snap seedlings were highly resistant to tumorigenesis under most conditions. Resistance was overcome at inoculum concentrations of...

journal_title：Plant physiology

authors： Robbs SL,Hawes MC,Lin HJ,Pueppke SG,Smith LY

更新日期：1991-01-01 00:00:00

abstract：:A number of environmental stresses can lead to enhanced production of superoxide within plant tissues, and plants are believed to rely on the enzyme superoxide dismutase (SOD) to detoxify this reactive oxygen species. We have identified seven cDNAs and genes for SOD in Arabidopsis. These consist of three CuZnSODs (CSD...

journal_title：Plant physiology

authors： Kliebenstein DJ,Monde RA,Last RL

更新日期：1998-10-01 00:00:00

abstract：:Arabidopsis (Arabidopsis thaliana) contains approximately 100 homeobox genes, many of which have been shown to play critical roles in various developmental processes. Here we characterize the zinc finger-homeodomain (ZF-HD) subfamily of homeobox genes, consisting of 14 members in Arabidopsis. We demonstrate that the H...

journal_title：Plant physiology

authors： Tan QK,Irish VF

更新日期：2006-03-01 00:00:00

abstract：:Petunia (Petunia hybrida) pollen requires flavonols (Fl) to germinate. Adding kaempferol to Fl-deficient pollen causes rapid and synchronous germination and tube outgrowth. We exploited this system to identify genes responsive to Fls and to examine the changes in gene expression that occur during the first 0.5 h of po...

journal_title：Plant physiology

authors： Guyon VN,Astwood JD,Garner EC,Dunker AK,Taylor LP

更新日期：2000-06-01 00:00:00

abstract：:Jasmonates (JAs) regulate a wide range of plant defense and development processes. The bioactive JA is perceived by its receptor COI1 to trigger the degradation of JASMONATE ZIM-DOMAIN (JAZ) proteins and subsequently derepress the JAZ-repressed transcription factors for activation of expression of JA-responsive genes....

journal_title：Plant physiology

authors： Yan J,Li S,Gu M,Yao R,Li Y,Chen J,Yang M,Tong J,Xiao L,Nan F,Xie D

更新日期：2016-12-01 00:00:00

abstract：:Prenylated Rab acceptors (PRAs), members of the Ypt-interacting protein family of small membrane proteins, are thought to aid the targeting of prenylated Rabs to their respective endomembrane compartments. In plants, the Arabidopsis (Arabidopsis thaliana) PRA1 family contains 19 members that display varying degrees of...

journal_title：Plant physiology

authors： Lee MH,Jung C,Lee J,Kim SY,Lee Y,Hwang I

更新日期：2011-10-01 00:00:00

abstract：:In earlier ecophysiological studies that were conducted on Arabidopsis halleri plants, scientists focused on the mechanisms of Cd and Zn hyperaccumulation but did not take into consideration the environmental factors that can significantly affect the physiological responses of plants in situ. In this study, we investi...

journal_title：Plant physiology

authors： Sitko K,Rusinowski S,Kalaji HM,Szopiński M,Małkowski E

更新日期：2017-09-01 00:00:00

abstract：:Oilseeds are the main source of lipids used in both food and biofuels. The growing demand for vegetable oil has focused research toward increasing the amount of this valuable component in oilseed crops. Globally, soybean (Glycine max) is one of the most important oilseed crops grown, contributing about 30% of the vege...

journal_title：Plant physiology

authors： Lardizabal K,Effertz R,Levering C,Mai J,Pedroso MC,Jury T,Aasen E,Gruys K,Bennett K

更新日期：2008-09-01 00:00:00

abstract：:Gibberellin A(1) (GA(1)), 3-epi-GA(1), GA(4), GA(9), 11alpha-hydroxyGA(12), 12alpha-hydroxyGA(12), GA(15), GA(17), GA(19), GA(20), GA(25), GA(37), GA(40), GA(58), GA(69), GA(70), and GA(71) have been identified from Kovats retention indices and full scan mass spectra by capillary GC-MS analyses of purified extracts fr...

journal_title：Plant physiology

authors： Yamane H,Fujioka S,Spray CR,Phinney BO,Macmillan J,Gaskin P,Takahashi N

更新日期：1988-03-01 00:00:00

abstract：:A poplar hybrid, Populus tremula x Populus alba, was transformed with the bacterial genes for either glutathione reductase (GR) (gor) or glutathione synthetase (GS) (gshII). When the gor gene was targeted to the chloroplasts, leaf GR activities were up to 1000 times greater than in all other lines. In contrast, target...

journal_title：Plant physiology

authors： Foyer CH,Souriau N,Perret S,Lelandais M,Kunert KJ,Pruvost C,Jouanin L

更新日期：1995-11-01 00:00:00