A New UV-A/B Protecting Pigment in the Terrestrial Cyanobacterium Nostoc commune.

abstract：:Elevated carbon dioxide (CO2) in leaves closes stomatal apertures. Research has shown key functions of the β-carbonic anhydrases (βCA1 and βCA4) in rapid CO2-induced stomatal movements by catalytic transmission of the CO2 signal in guard cells. However, the underlying mechanisms remain unclear, because initial studies...

journal_title：Plant physiology

authors： Hu H,Rappel WJ,Occhipinti R,Ries A,Böhmer M,You L,Xiao C,Engineer CB,Boron WF,Schroeder JI

更新日期：2015-10-01 00:00:00

abstract：:Nitrogen (N) is an essential requirement for kernel growth in maize (Zea mays); however, little is known about how N assimilates are metabolized in young earshoots during seed development. The objective of this study was to assess amino acid metabolism in cob and spikelet tissues during the critical 2 weeks following ...

journal_title：Plant physiology

authors： Seebauer JR,Moose SP,Fabbri BJ,Crossland LD,Below FE

更新日期：2004-12-01 00:00:00

abstract：:Extracts from various parts of Phaseolus vulgaris L. var. Pinto plants were found to exhibit cytokinin activity with the highest levels present in extracts of the fruit tissue. To separate the cytokinins present in the fruit, extracts were chromatographed in several solvent systems. Bioassays of chromatograms indicate...

journal_title：Plant physiology

authors： Krasnuk M,Witham FH,Tegley JR

更新日期：1971-09-01 00:00:00

abstract：:The level of gibberellin(GA)-like material in cotyledons of soybean (Glycine max L.) was highest at mid-pod fill-about 10 nanograms GA(3) equivalents per gram fresh weight of tissue, assayed in the immersion dwarf rice bioassay. This amount is about 1000-fold less than levels in Pisum and Phaseolus seed, other legume ...

journal_title：Plant physiology

authors： Birnberg PR,Brenner ML,Mardaus MC,Abe H,Pharis RP

更新日期：1986-09-01 00:00:00

abstract：:Protein bodies were prepared from the cotyledons of pumpkin (Cucurbita sp.) seeds by employing a nonaqueous isolation method. Both light micrographic examination and the marker enzyme assays have shown that the isolated protein bodies were intact and contamination with other cell organelles or cytoplasmic components w...

journal_title：Plant physiology

authors： Hara-Nishimura I,Nishimura M,Matsubara H,Akazawa T

更新日期：1982-09-01 00:00:00

abstract：:The rate of malic acid consumption in the Crassulacean acid metabolism (CAM) plant Kalanchoë daigremontiana Hamet et Perrier was found to be more rapid than the rate of photosynthetic oxygen evolution under all levels of irradiation by white light. This accounts for the accumulation of carbon dioxide in CAM tissues in...

journal_title：Plant physiology

authors： Barrow SR,Cockburn W

更新日期：1982-03-01 00:00:00

abstract：:Mature maize leaves have defined cell types along the proximal distal and medial lateral axes. The patterning events that establish these axes take place early in leaf initiation. We have identified a new dominant mutation, Wavy auricle in blade1 (Wab1), which affects patterning in both axes in a dose-dependent manner...

journal_title：Plant physiology

authors： Hay A,Hake S

更新日期：2004-05-01 00:00:00

abstract：:Changes in the levels of [(14)C]indole-3-acetic acid (IAA) and [(14)C]indole-acetylaspartic acid (IAAsp) were examined during adventitious root formation in mung bean (Vigna radiata [L.] R. Wilcz. ;Berken') stem cuttings. IAAsp was identified by GC-MS as the primary conjugate in IAA-treated cuttings. During root forma...

journal_title：Plant physiology

authors： Norcini JG,Heuser CW

更新日期：1988-04-01 00:00:00

abstract：:The water fern, Azolla caroliniana Willd., containing the symbiotic, heterocystous blue-green alga, Anabaena azollae, has been studied under various growth conditions to characterize its light-dependent production of H(2). The response of H(2) production to N(2) and C(2)H(2) and the absence of a differential effect of...

journal_title：Plant physiology

authors： Peters GA,Evans WR,Toia RE

更新日期：1976-08-01 00:00:00

abstract：:The first committed intermediate of chlorophyll biosynthesis, delta-aminolevulinic acid (ALA), is synthesized from glutamate in the plant cell. The last step of ALA synthesis is a transamination reaction which converts glutamate-1-semialdehyde (GSA) to ALA. The mechanism of the transamination was examined by using glu...

journal_title：Plant physiology

authors： Mau YH,Wang WY

更新日期：1988-03-01 00:00:00

abstract：:THE PRESENT STUDY COMPARES THE BINDING AND INHIBITORY ACTIVITY OF TWO PHOTOSYSTEM II INHIBITORS: 3-(3,4-dichlorophenyl)-1,1-dimethylurea (diuron [DCMU]) and 2-chloro-4-(ethylamine)-6-(isopropyl amine)-S-triazene (atrazine). Chloroplasts isolated from naturally occurring triazine-susceptible and triazine-resistant biot...

journal_title：Plant physiology

authors： Pfister K,Radosevich SR,Arntzen CJ

更新日期：1979-12-01 00:00:00

abstract：:Changes in the rate and pattern of protein synthesis and in translatable mRNA population during cold acclimation of alfalfa (Medicago falcata cv Anik) seedlings have been examined. There appears to be a positive correlation between the increase in ability to synthesize proteins at 4 degrees C and the increase in freez...

journal_title：Plant physiology

authors： Mohapatra SS,Poole RJ,Dhindsa RS

更新日期：1987-08-01 00:00:00

abstract：:Amitrole (3-amino-s-triazole), dichlormate (3,4-dichlorobenzyl methylcarbamate), and pyriclor (2,3,5-trichloro-4-pyridinol) inhibited normal carotenogenesis in etiolated wheat (Triticum aestivum L. var. Coker 65-20) seedlings. Carotenoid precursors accumulated in treated plants. In dichlormate-treated plants, zeta-car...

journal_title：Plant physiology

authors： Burns ER,Buchanan GA,Carter MC

更新日期：1971-01-01 00:00:00

abstract：:Premature leaf senescence affects plant growth and yield in rice. NAD plays critical roles in cellular redox reactions and remains at a sufficient level in the cell to prevent cell death. Although numerous factors affecting leaf senescence have been identified, few involving NAD biosynthetic pathways have been describ...

journal_title：Plant physiology

authors： Wu L,Ren D,Hu S,Li G,Dong G,Jiang L,Hu X,Ye W,Cui Y,Zhu L,Hu J,Zhang G,Gao Z,Zeng D,Qian Q,Guo L

更新日期：2016-06-01 00:00:00

abstract：:Serial analysis of gene expression was used to profile transcript levels in Arabidopsis roots and assess their responses to 2,4,6-trinitrotoluene (TNT) exposure. SAGE libraries representing control and TNT-exposed seedling root transcripts were constructed, and each was sequenced to a depth of roughly 32,000 tags. Mor...

journal_title：Plant physiology

authors： Ekman DR,Lorenz WW,Przybyla AE,Wolfe NL,Dean JF

更新日期：2003-11-01 00:00:00

abstract：:Cell walls of grasses have two major polysaccharides that contain uronic acids, the hemicellulosic glucuronoarabinoxylans and the galactosyluronic acid-rich pectins. A technique whereby esterified uronic acid carboxyl groups are reduced selectively to yield their respective 6,6-dideuterio neutral sugars was used to de...

journal_title：Plant physiology

authors： Kim JB,Carpita NC

更新日期：1992-02-01 00:00:00

abstract：:The properties of oxaloacetate (OA) transport into mitochondria from potato (Solanum tuberosum) tuber and pea (Pisum sativum) leaves were studied by measuring the uptake of 14C-labeled OA into liposomes with incorporated mitochondrial membrane proteins preloaded with various dicarboxylates or citrate. OA was found to ...

journal_title：Plant physiology

authors： Hanning I I,Baumgarten K,Schott K,Heldt HW

更新日期：1999-03-01 00:00:00

abstract：:Translocation profiles along the path were studied using a modified flap-feeding technique for the simultaneous application of THO and (14)C-sucrose. A re-evaluation of a mathematical model for phloem transport with reversible lateral exchange of tracer along the path indicates that lower apparent velocities for THO a...

journal_title：Plant physiology

authors： Cataldo DA,Christy AL,Coulson CL

更新日期：1972-05-01 00:00:00

abstract：:Selenium (Se) plays an indispensable role in human nutrition and has been implicated to have important health benefits, including being a cancer preventative agent. While different forms of Se vary in their anticarcinogenic efficacy, Se-methylselenocysteine (SeMSC) has been demonstrated to be one of the most effective...

journal_title：Plant physiology

authors： Lyi SM,Heller LI,Rutzke M,Welch RM,Kochian LV,Li L

更新日期：2005-05-01 00:00:00

abstract：:A basic problem in silicon (Si) uptake studies in biology is the lack of an appropriate radioactive isotope. Radioactive germanium-68 ((68)Ge) has been used previously as a Si tracer in biological materials, but its suitability for the study of Si transport in higher plants is still untested. In this study, we investi...

journal_title：Plant physiology

authors： Nikolic M,Nikolic N,Liang Y,Kirkby EA,Römheld V

更新日期：2007-01-01 00:00:00

abstract：:A novel alpha-L-fucosyltransferase capable of transferring L-fucose (L-Fuc) from GDP-L-Fuc to the O-2 of alpha-L-arabinofuranosyl residue (GDP-L-Fuc:alpha-L-arabinofuranoside 2-alpha-L-fucosyltransferase) has been found in the microsomal fraction of primary roots from 6-d-old radish (Raphanus sativus L.) seedlings. En...

journal_title：Plant physiology

authors： Misawa H,Tsumuraya Y,Kaneko Y,Hashimoto Y

更新日期：1996-02-01 00:00:00

abstract：:As regulators of gene expression in multicellular organisms, microRNAs (miRNAs) are crucial for growth and development. Although a plethora of factors involved in their biogenesis and action in Arabidopsis (Arabidopsis thaliana) has been described, these processes and their fine-tuning are not fully understood. Here, ...

journal_title：Plant physiology

authors： Lang PLM,Christie MD,Dogan ES,Schwab R,Hagmann J,van de Weyer AL,Scacchi E,Weigel D

更新日期：2018-01-01 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：:The requirements for activation of ribulose 1,5-bisphosphate carboxylase/oxygenase (rubisco) were investigated in leaves of Arabidopsis wild-type and a mutant incapable of light activating rubisco in vivo. Upon illumination with saturating light intensities, the activation state of rubisco increased 2-fold in the wild...

journal_title：Plant physiology

authors： Salvucci ME,Portis AR,Ogren WL

更新日期：1986-03-01 00:00:00

abstract：:The PDF1.2 gene of Arabidopsis encoding a plant defensin is commonly used as a marker for characterization of the jasmonate-dependent defense responses. Here, using PDF1.2 promoter-deletion lines linked to the beta-glucoronidase-reporter gene, we examined putative promoter elements associated with jasmonate-responsive...

journal_title：Plant physiology

authors： Brown RL,Kazan K,McGrath KC,Maclean DJ,Manners JM

更新日期：2003-06-01 00:00:00

abstract：:Antibodies were raised against carrot (Daucus carota) cell wall beta-fructosidase that was either in a native configuration (this serum is called anti-betaF(1)) or chemically deglycosylated (anti-betaF(2)). The two antisera had completely different specificities when tested by immunoblotting. The anti-betaF(1) serum r...

journal_title：Plant physiology

authors： Laurière M,Laurière C,Chrispeels MJ,Johnson KD,Sturm A

更新日期：1989-07-01 00:00:00

abstract：:A 3,300-bp DNA fragment encoding the carboxyl-transferase domain of the multidomain, chloroplastic acetyl-coenzyme A carboxylase (ACCase) was sequenced in aryloxyphenoxypropionate (APP)-resistant and -sensitive Alopecurus myosuroides (Huds.). No resistant plant contained an Ile-1,781-Leu substitution, previously shown...

journal_title：Plant physiology

authors： Délye C,Zhang XQ,Chalopin C,Michel S,Powles SB

更新日期：2003-07-01 00:00:00

abstract：:The photosynthetic characteristics of wild type Nicotiana sylvestris (Speg. et Comes) were compared with those of a ;starch-less' mutant NS458 that contains a defective plastid phosphoglucomutase (EC 2.1.5.1) (KR Hanson, NA McHale [1988] Plant Physiol 88: 838-844). The steady-state rate of net CO(2) assimilation (A) w...

journal_title：Plant physiology

authors： Hanson KR

更新日期：1990-07-01 00:00:00

abstract：:A hybrid of sweet corn, Zea mays L. (;1720'; Rogers Brothers Seed Co.), was found to be comprised of glycinebetaine-positive and glycinebetaine-deficient individuals in a 1:1 mixture. This phenomenon was traced to segregation for a single, nuclear, dominant gene determining leaf glycinebetaine content within the femal...

journal_title：Plant physiology

authors： Rhodes D,Rich PJ,Brunk DG,Ju GC,Rhodes JC,Pauly MH,Hansen LA

更新日期：1989-11-01 00:00:00

abstract：:Through a biochemical and a genetic approach, we have identified several plant genes encoding methylthioribose (MTR) kinase, an enzyme involved in recycling of methionine through the methylthioadenosine (MTA) cycle. OsMTK1, an MTR kinase from rice (Oryza sativa), is 48.6 kD in size and shows cooperative kinetics with ...

journal_title：Plant physiology

authors： Sauter M,Cornell KA,Beszteri S,Rzewuski G

更新日期：2004-12-01 00:00:00