Starch Phosphorylation in Potato Tubers Proceeds Concurrently with de Novo Biosynthesis of Starch.

abstract：:We report the molecular cloning and sequence of the cDNA coding for the biotin-containing subunit of the chloroplastic acetylcoenzyme A (CoA) carboxylase (ACCase) of Arabidopsis thaliana (CAC1). The 3' end of the CAC1 sequence, coding for a peptide of 94 amino acids, which includes a putative biotinylation motif, was ...

journal_title：Plant physiology

authors： Choi JK,Yu F,Wurtele ES,Nikolau BJ

更新日期：1995-10-01 00:00:00

abstract：:Electrophoretic examination of 22-day-old, normal maize (Zea mays L.) endosperm extracts revealed two zones of adenosine diphosphate glucose pyrophosphorylase activity. The enzymes are identical in terms of Km for glucose 1-phosphate and the effect of 3-phosphoglyceric acid on apparent Km for glucose 1-phosphate. Both...

journal_title：Plant physiology

authors： Hannah LC,Nelson OE

更新日期：1975-02-01 00:00:00

abstract：:The role of iron in regulating light harvesting and photochemical energy conversion processes was examined in the marine unicellular chlorophyte Dunaliella tertiolecta and the marine diatom Phaeodactylum tricornutum. In both species, iron limitation led to a reduction in cellular chlorophyll concentrations, but an inc...

journal_title：Plant physiology

authors： Greene RM,Geider RJ,Kolber Z,Falkowski PG

更新日期：1992-10-01 00:00:00

abstract：:Five blue-green and one red algal species produced carbon monoxide during photosynthetic growth. The blue-green algae synthesized CO and phycocyanobilin in equimolar quantities at identical rates. The red alga, Porphyridium cruentum, incorporated Delta-aminolevulinic acid-5-(14)C into phycoerythrobilin and CO. The rat...

journal_title：Plant physiology

authors： Troxler RF,Dokos JM

更新日期：1973-01-01 00:00:00

abstract：:A radiation-induced mutant of Scotch spearmint (Mentha x gracilis) was shown to produce an essential oil containing principally C3-oxygenated p-menthane monoterpenes that are typical of peppermint, instead of the C6-oxygenated monoterpene family characteristic of spearmint. In vitro measurement of all of the enzymes r...

journal_title：Plant physiology

authors： Croteau R,Karp F,Wagschal KC,Satterwhite DM,Hyatt DC,Skotland CB

更新日期：1991-07-01 00:00:00

abstract：:Osmotic adjustment occurred during drought in expanded leaves of sunflowers (Helianthus annuus var Hysun 30) which had been continuously exposed to 660 microliters CO(2) per liter or had been previously acclimated to drought. The effect was greatest when the treatments were combined and was negligible in nonacclimated...

journal_title：Plant physiology

authors： Conroy JP,Virgona JM,Smillie RM,Barlow EW

更新日期：1988-04-01 00:00:00

abstract：:Oleuropein, a terpene-derived glycosylated secoiridoid biosynthesized exclusively by members of the Oleaceae family, is involved in a two-component defense system comprising a β-glucosidase that activates oleuropein into a toxic glutaraldehyde-like structure. Oleuropein and its deglycosylated derivatives have high pha...

journal_title：Plant physiology

authors： Koudounas K,Thomopoulou M,Michaelidis C,Zevgiti E,Papakostas G,Tserou P,Daras G,Hatzopoulos P

更新日期：2017-07-01 00:00:00

abstract：:β-Carotene adds nutritious value and determines the color of many fruits, including melon (Cucumis melo). In melon mesocarp, β-carotene accumulation is governed by the Orange gene (CmOr) golden single-nucleotide polymorphism (SNP) through a yet to be discovered mechanism. In Arabidopsis (Arabidopsis thaliana), OR incr...

journal_title：Plant physiology

authors： Chayut N,Yuan H,Ohali S,Meir A,Sa'ar U,Tzuri G,Zheng Y,Mazourek M,Gepstein S,Zhou X,Portnoy V,Lewinsohn E,Schaffer AA,Katzir N,Fei Z,Welsch R,Li L,Burger J,Tadmor Y

更新日期：2017-01-01 00:00:00

abstract：:Low inorganic phosphate (Pi) availability triggers an array of spatiotemporal adaptive responses in Arabidopsis (Arabidopsis thaliana). There are several reports on the effects of Pi deprivation on the root system that have been attributed to different growth conditions and/or inherent genetic variability. Here we sho...

journal_title：Plant physiology

authors： Jain A,Poling MD,Smith AP,Nagarajan VK,Lahner B,Meagher RB,Raghothama KG

更新日期：2009-06-01 00:00:00

abstract：:Genetic improvement of plant architecture is one of the strategies for increasing the yield potential of rice (Oryza sativa). Although great progress has been made in the understanding of plant architecture regulation, the precise mechanism is still an urgent need to be revealed. Here, we report that over-expression o...

journal_title：Plant physiology

authors： Tang Y,Liu H,Guo S,Wang B,Li Z,Chong K,Xu Y

更新日期：2018-01-01 00:00:00

abstract：:It has been shown previously that an increase in ribulose diphosphate carboxylase activity occurs upon brief illumination of leaves of dark-grown Zea mays plants; an increase in ribose 5-phosphate isomerase occurs after prolonged illumination. Both of these responses to illumination are inhibited by chloramphenicol.Th...

journal_title：Plant physiology

authors： McMahon D,Bogorad L

更新日期：1968-02-01 00:00:00

abstract：:SIRK is a K(+) channel identified in grapevine (Vitis vinifera), belonging to the so-called Shaker family. The highest sequence similarities it shares with the members of this family are found with channels of the KAT type, although SIRK displays a small ankyrin domain. This atypical feature provides a key to understa...

journal_title：Plant physiology

authors： Pratelli R,Lacombe B,Torregrosa L,Gaymard F,Romieu C,Thibaud JB,Sentenac H

更新日期：2002-02-01 00:00:00

abstract：:Cysteine transport by tobacco cells (Nicotiana tabacum L. var. Xanthi) cultured on liquid B-5 medium was examined.Transport was linear with time or amount of tissue and had a pH optimum of 4.5. Cysteine transport over a wide concentration range was biphasic. The isotherm, for descriptive convenience, was divided into ...

journal_title：Plant physiology

authors： Harrington HM,Smith IK

更新日期：1977-12-01 00:00:00

abstract：:Superoxide dismutases (SODs) play a key role in the cellular defense against reactive oxygen species. To study the transcriptional regulation at the cellular level, the promoter of the Nicotiana plumbaginifolia cytosolic gene encoding Cu/ZnSOD (SODCc) was fused to the beta-glucuronidase (GUS) reporter gene (gusA) and ...

journal_title：Plant physiology

authors： Hérouart D,Van Montagu M,Inzé D

更新日期：1994-03-01 00:00:00

abstract：:The apparent association of ornithine decarboxylase (ODC) with rapid cell proliferation in developing tomato (Lycopersicon esculentum Mill. cv. Pearson ms-35) fruits has been previously described. Further evidence is provided by the use of two ODC inhibitors, alpha-difluoromethylornithine (alpha-DFMO) and alpha-methyl...

journal_title：Plant physiology

authors： Cohen E,Arad SM,Heimer YM,Mizrahi Y

更新日期：1982-08-01 00:00:00

abstract：:alpha-Amylases are important enzymes for starch degradation in plants. However, it has been a long-running debate as to whether alpha-amylases are localized in plastids where starch is stored. To study the subcellular localization of alpha-amylases in plant cells, a rice (Oryza sativa) alpha-amylase, alphaAmy3, with o...

journal_title：Plant physiology

authors： Chen MH,Huang LF,Li HM,Chen YR,Yu SM

更新日期：2004-07-01 00:00:00

abstract：:In the last few years, much attention has been given to the role of proteins that accumulate during water deficit. In this work, we analyzed the electrophoretic patterns of basic protein extracts, enriched for a number of cell-wall proteins, from bean (Phaseolus vulgaris L.) seedlings and 21-d-old plants subjected to ...

journal_title：Plant physiology

authors： Covarrubias AA,Ayala JW,Reyes JL,Hernandez M,Garciarrubio A

更新日期：1995-04-01 00:00:00

abstract：:The factors that mediate specific responses to the plant hormone ethylene are not fully defined. In particular, it is not known how signaling at the receptor complex can control distinct subsets of ethylene responses. Mutations at the Green-ripe (Gr) and reversion to ethylene sensitivity1 (rte1) loci, which encode hom...

journal_title：Plant physiology

authors： Ma Q,Du W,Brandizzi F,Giovannoni JJ,Barry CS

更新日期：2012-12-01 00:00:00

abstract：:Orcinol O-methyltransferase (OOMT) 1 and 2 catalyze the last two steps of the biosynthetic pathway leading to the phenolic methyl ether 3,5-dimethoxytoluene (DMT), the major scent compound of many rose (Rosa x hybrida) varieties. Modern roses are descended from both European and Chinese species, the latter being produ...

journal_title：Plant physiology

authors： Scalliet G,Lionnet C,Le Bechec M,Dutron L,Magnard JL,Baudino S,Bergougnoux V,Jullien F,Chambrier P,Vergne P,Dumas C,Cock JM,Hugueney P

更新日期：2006-01-01 00:00:00

abstract：:Ribulose 1,5-bisphosphate in the chloroplast has been suggested to regulate the activity of the ribulose bisphosphate carboxylase/oxygenase. To generate high levels of ribulose bisphosphate, isolated and intact spinach chloroplasts were illuminated in the absence of CO(2). Under these conditions, chloroplasts generate...

journal_title：Plant physiology

authors： Sicher RC,Hatch AL,Stumpf DK,Jensen RG

更新日期：1981-07-01 00:00:00

abstract：:Extraction of maize (Zea mays) leaves by progressive grinding under suitably protective conditions yields total carbonic anhydrase activities (4800 units per milligram chlorophyll) comparable to the activity in spinach (Spinacia oleracea) leaves. The total ribulose diphosphate carboxylase activity was also equal to or...

journal_title：Plant physiology

authors： Poincelot RP

更新日期：1972-09-01 00:00:00

abstract：:The triphosphate tunnel metalloenzyme (TTM) superfamily comprises a group of enzymes that hydrolyze organophosphate substrates. They exist in all domains of life, yet the biological role of most family members is unclear. Arabidopsis (Arabidopsis thaliana) encodes three TTM genes. We have previously reported that AtTT...

journal_title：Plant physiology

authors： Ung H,Karia P,Ebine K,Ueda T,Yoshioka K,Moeder W

更新日期：2017-09-01 00:00:00

abstract：:As a response to insect attack, maize (Zea mays) has inducible defenses that involve large changes in gene expression and metabolism. Piercing/sucking insects such as corn leaf aphid (Rhopalosiphum maidis) cause direct damage by acquiring phloem nutrients as well as indirect damage through the transmission of plant vi...

journal_title：Plant physiology

authors： Tzin V,Fernandez-Pozo N,Richter A,Schmelz EA,Schoettner M,Schäfer M,Ahern KR,Meihls LN,Kaur H,Huffaker A,Mori N,Degenhardt J,Mueller LA,Jander G

更新日期：2015-11-01 00:00:00

abstract：:Nonautotrophic CO(2) metabolism in Opuntia echinocarpa roots was studied with techniques of manometry and radiometry. The roots were grown in a one-quarter strength nutrient solution for several days; the distal 2 cm was used for physiological studies. The roots assimilated significant quantities of (14)CO(2) and appe...

journal_title：Plant physiology

authors： Ting IP,Dugger WM

更新日期：1966-03-01 00:00:00

abstract：:To test the hypothesis that photoinduction acts by changing the ability of the plant to transport hormones, rather than by changing the ability of organs to synthesize them, the transport of carboxy-labeled indole-3-acetic acid was measured in the short day plant Xanthium pensylvanicum. Plants grown under noninductive...

journal_title：Plant physiology

authors： Jacobs WP

更新日期：1978-03-01 00:00:00

abstract：:A monoclonal antibody raised against carboxyl-linked IAA was used in Western blot analysis of storage proteins from kernels of Avena sativa, Pennisetum americanum, Sorghum bicolor, and Zea mays. IAA or an IAA-like molecule is associated with the ethanolsoluble protein fraction of the seed. Western blotting of commerci...

journal_title：Plant physiology

authors： Leverone LA,Stroup TL,Caruso JL

更新日期：1991-08-01 00:00:00

abstract：:Temperature has a large impact on plant immune responses. Earlier studies identified intracellular immune receptor nucleotide-binding leucine-rich repeat (NLR) genes and salicylic acid (SA) as targets of high-temperature inhibition of plant immunity. Here, we report that moderately low temperature enhances immunity to...

journal_title：Plant physiology

authors： Li Z,Liu H,Ding Z,Yan J,Yu H,Pan R,Hu J,Guan Y,Hua J

更新日期：2020-01-01 00:00:00

abstract：:DNA methylation plays an important role in diverse developmental processes in many eukaryotes, including the response to environmental stress. Abscisic acid (ABA) is a plant hormone that is up-regulated under stress. The involvement of DNA methylation in the ABA response has been reported but is poorly understood. DNA...

journal_title：Plant physiology

authors： Kim JS,Lim JY,Shin H,Kim BG,Yoo SD,Kim WT,Huh JH

更新日期：2019-04-01 00:00:00

abstract：:A starch deficient mutant of Arabidopsis thaliana (L.) Heynh. has been isolated in which leaf extracts contain only about 5% as much activity of ADPglucose pyrophosphorylase (EC 2.7.7.27) as the wild type. A single, nuclear mutation at a previously undescribed locus designated adg2 is responsible for the mutant phenot...

journal_title：Plant physiology

authors： Lin TP,Caspar T,Somerville CR,Preiss J

更新日期：1988-12-01 00:00:00

abstract：:The role of roots in the enhancement of cytokinin content and leaf growth of Phaseolus vulgaris plants after decapitation and partial defoliation was investigated. Partial excision of the roots of plants which were decapitated above the primary leaf node resulted in a reduction of leaf growth and soluble proteins accu...

journal_title：Plant physiology

authors： Carmi A,Staden JV

更新日期：1983-09-01 00:00:00