Chloroplast Ultrastructure in Mutant Strains of Chlamydomonas reinhardi Lacking Components of the Photosynthetic Apparatus.

abstract：:Two inhibitory fractions (B(1) and C) from extracts of immature fruit of carob were tested for their ability to inhibit the action of indoleacetic acid (IAA) in three bioassays. There was no reduction of IAA-induced reactions in the Avena curvature test, abscission of debladed coleus petioles, or growth of cucumber hy...

journal_title：Plant physiology

authors： Corcoran MR

更新日期：1970-10-01 00:00:00

abstract：:Adenosine kinase (ADK) is a key enzyme that regulates intra- and extracellular levels of adenosine, thereby modulating methyltransferase reactions, production of polyamines and secondary compounds, and cell signaling in animals. Unfortunately, little is known about ADK's contribution to the regulation of plant growth ...

journal_title：Plant physiology

authors： Young LS,Harrison BR,Narayana Murthy UM,Moffatt BA,Gilroy S,Masson PH

更新日期：2006-10-01 00:00:00

abstract：:The biosynthesis of the chlorophyll a/b binding protein associated with photosystem II (LHC-II) was characterized during light-induced greening of etiolated barley (Hordeum vulgare [L.] cv Boone), maize (Zea mays [L.] Pioneer 3148), pea (Pisum sativum [L.] cv Progress 9), and soybean (Glycine max [L.] Merr. cv Ransom ...

journal_title：Plant physiology

authors： Mathis JN,Burkey KO

更新日期：1987-12-01 00:00:00

abstract：:Wild type Gracilaria tikvahiae, a macrophytic red alga, and fourteen genetically characterized pigment mutants were analyzed for their biliprotein and chlorophyll contents. The same three biliproteins, phycoerythrin, phycocyanin, and allophycocyanin, which are found in the wild type are found in all the Mendelian and ...

journal_title：Plant physiology

authors： Kursar TA,van der Meer J,Alberte RS

更新日期：1983-10-01 00:00:00

abstract：:Topped plants of tomato (Lycopersicon esculentum), cucumber (Cucumis sativus), corn (Zea mays), carrot (Daucus carota), and peanut (Arachis hypogaea) were treated with 0.5 to 50 micromolar Ni (containing (63)Ni) in nutrient solutions. Xylem exudate was collected for 10 hours or, in the case of corn, for 20 hours at 5-...

journal_title：Plant physiology

authors： Tiffin LO

更新日期：1971-09-01 00:00:00

abstract：:Sensitive differential scanning calorimetry was employed to investigate thylakoid membrane structure. Calorimetric scans of chloroplast membranes suspended in a low ionic strength Hepesbuffered medium revealed endothermic transitions centered at the following temperatures ( degrees C): A (42.5), B (60.6), C(1) (64.9),...

journal_title：Plant physiology

authors： Smith KA,Low PS

更新日期：1989-06-01 00:00:00

abstract：:Inactivation of inward-rectifying K+ channels (IK,in) by a rise in cytosolic free [Ca2+] ([Ca2+]i) is a key event leading to solute loss from guard cells and stomatal closure. However, [Ca2+]i action on IK,in has never been quantified, nor are its origins well understood. We used membrane voltage to manipulate [Ca2+]i...

journal_title：Plant physiology

authors： Grabov A,Blatt MR

更新日期：1999-01-01 00:00:00

abstract：:Ca2+ has been proposed to mediate inhibition of root elongation. However, exogenous Ca2+ at 10 or 20 millimolar, applied directly to the root cap, significantly stimulated root elongation in pea (Pisum sativum L.) and corn (Zea mays L.) seedlings. Furthermore, Ca2+ at 1 to 20 millimolar, applied unilaterally to the ...

journal_title：Plant physiology

authors： Takahashi H,Scott TK,Suge H

更新日期：1992-01-01 00:00:00

abstract：:Metal accumulation in seeds is a prerequisite for germination and establishment of plants but also for micronutrient delivery to humans. To investigate metal transport processes and their interactions in seeds, we focused on METAL TOLERANCE PROTEIN8 (MTP8), a tonoplast transporter of the manganese (Mn) subclade of cat...

journal_title：Plant physiology

authors： Eroglu S,Giehl RFH,Meier B,Takahashi M,Terada Y,Ignatyev K,Andresen E,Küpper H,Peiter E,von Wirén N

更新日期：2017-07-01 00:00:00

abstract：:Three fractions (male germ unit [MGU]-rich, cytoplasmic-particulate and water-soluble proteins) were isolated from pollen of Plumbago zeylanica L. Proteins were extracted using a phenol procedure and polypeptide patterns were compared on one- and two-dimensional polyacrylamide gels. The MGU-rich fraction contains the ...

journal_title：Plant physiology

authors： Geltz NR,Russell SD

更新日期：1988-11-01 00:00:00

abstract：:Preservation of photosynthetic activities (photophosphorylation, electron transport, fluorescence induction, 0.3-second delayed light emission) of isolated broken (class C) chloroplasts by low temperature storage was investigated under a wide range of conditions in order to optimize long time activity retention.The mo...

journal_title：Plant physiology

authors： Farkas DL,Malkin S

更新日期：1979-12-01 00:00:00

abstract：:Sucrose (Suc)-phosphate synthase (SPS) plays a crucial role in the synthesis of Suc in photosynthetic and nonphotosynthetic tissues. Several isoforms of SPS exist in dicotyledonous plants that can be grouped into the different families A, B, and C. To explore whether functional differences between the SPS gene familie...

journal_title：Plant physiology

authors： Chen S,Hajirezaei M,Börnke F

更新日期：2005-11-01 00:00:00

abstract：:Glyceollin isomers I, II, and III are the major pathogen-elicited secondary metabolites (i.e. phytoalexins) of soybean (Glycine max) that, collectively with other 5-deoxyisoflavonoids, provide race-specific resistance to Phytophthora sojae. The NAC-family transcription factor (TF) GmNAC42-1 is an essential regulator o...

journal_title：Plant physiology

authors： Jahan MA,Harris B,Lowery M,Infante AM,Percifield RJ,Kovinich N

更新日期：2020-06-01 00:00:00

abstract：:Porphobilinogen (PBG) deaminase catalyzes the polymerization of four PBG monopyrrole units into the linear tetrapyrrole hydroxymethylbilane necessary for the formation of chlorophyll and heme in plant cells. Degenerate oligonucleotide primers were designed based on amino acid sequence data (generated by mass spectrome...

journal_title：Plant physiology

authors： Witty M,Wallace-Cook AD,Albrecht H,Spano AJ,Michel H,Shabanowitz J,Hunt DF,Timko MP,Smith AG

更新日期：1993-09-01 00:00:00

abstract：:Regulation of photosynthetic gene expression by plastid-encoded RNA polymerase (PEP) is essential for chloroplast development. The activity of PEP largely relies on at least 12 PEP-associated proteins (PAPs) encoded in the nuclear genome of plant cells. A recent model proposed that these PAPs regulate the establishmen...

journal_title：Plant physiology

authors： Chang SH,Lee S,Um TY,Kim JK,Do Choi Y,Jang G

更新日期：2017-05-01 00:00:00

abstract：:The BEL1-like family of transcription factors is ubiquitous in plants and plays important roles in regulating development. They function in tandem with KNOTTED1 types to bind to a double TTGAC motif in the upstream sequence of target genes. StBEL5 of potato (Solanum tuberosum) functions as a mobile RNA signal that is ...

journal_title：Plant physiology

authors： Sharma P,Lin T,Hannapel DJ

更新日期：2016-01-01 00:00:00

abstract：:It was previously reported that the hypernodulating soybean (Glycine max [L.] Merr.) mutants, derived from the cultivar Williams, had higher root concentration of isoflavonoid compounds (daidzein, genistein, and coumestrol) than did Williams at 9 to 12 days after inoculation with Bradyrhizobium japonicum. These compou...

journal_title：Plant physiology

authors： Cho MJ,Harper JE

更新日期：1991-08-01 00:00:00

abstract：:In fully expanded leaves of greenhouse-grown cotton (Gossypium hirsutum L., cv Coker 100) plants, carbon export, starch accumulation rate, and carbon exchange rate exhibited different behavior during the light period. Starch accumulation rates were relatively constant during the light period, whereas carbon export rat...

journal_title：Plant physiology

authors： Hendrix DL,Huber SC

更新日期：1986-06-01 00:00:00

abstract：:Aps-1 encodes acid phosphatase-1, one of the many acid phosphatases present in tomato (Lycopersicon esculentum Mill.). Aps-1 is closely linked to Mi, a gene conferring resistance against nematodes. Thus, a clone of Aps-1 would provide access to the region of the genome containing Mi. Acid phosphatase-1 was purified fr...

journal_title：Plant physiology

authors： Williamson VM,Colwell G

更新日期：1991-09-01 00:00:00

abstract：:A method for the preparation of developmentally staged microspores and young pollen from maize (Zea mays) has been devised. The preparations are of sufficient purity and quantity for biochemical analysis, including the analysis of steady-state protein and RNA populations associated with each stage. A major transition ...

journal_title：Plant physiology

authors： Bedinger PA,Edgerton MD

更新日期：1990-02-01 00:00:00

abstract：:A beta-d-glucanase highly specific for glucans containing a linkage sequence ... Glc 1 --> 4 Glc 1 --> 3 Glc 1 --> 4 Glc ... has been isolated from several commercial preparations of Bacillus subtilis alpha-amylase including one purified by repeated crystallization. The beta-d-glucanase will not hydrolyze cellulose or...

journal_title：Plant physiology

authors： Huber DJ,Nevins DJ

更新日期：1977-08-01 00:00:00

abstract：:The purification and characterization of a pectic polymer, rhamnogalacturonan I, present in the primary cell walls of dicots is described. Rhamnogalacturonan I accounts for approximately 7% of the mass of the walls isolated from suspension-cultured sycamore cells. As purified, rhamnogalacturonan I has a molecular weig...

journal_title：Plant physiology

authors： McNeil M,Darvill AG,Albersheim P

更新日期：1980-12-01 00:00:00

abstract：:Light stimulated the activation of ribulosebisphosphate carboxylase/oxygenase (rubisco) in a buffered lysed chloroplast system in the presence of saturating concentrations of ATP. This indicates a role for light in the rubisco activase activation system in addition to the previously identified requirement for the synt...

journal_title：Plant physiology

authors： Campbell WJ,Ogren WL

更新日期：1990-01-01 00:00:00

abstract：:A controlled flow of porphyrin metabolites is critical for organisms, but little is known about the control of porphyrin biosynthesis under environmental stress. We monitored transgenic rice (Oryza sativa) plants expressing Myxococcus xanthus protoporphyrinogen oxidase (PPO) for their response to drought stress. Trans...

journal_title：Plant physiology

authors： Phung TH,Jung HI,Park JH,Kim JG,Back K,Jung S

更新日期：2011-12-01 00:00:00

abstract：:Soybean (Glycine max cv Hodgson) nitrogenase activity (C(2)H(2) reduction) in the presence or absence of nitrate was studied at various external O(2) tensions. Nitrogenase activity increased with oxygen partial pressure up to 30 kilopascals, which appeared to be the optimum. A parallel increase in ATP/ADP ratios indic...

journal_title：Plant physiology

authors： Heckmann MO,Drevon JJ,Saglio P,Salsac L

更新日期：1989-05-01 00:00:00

abstract：:Growth of the aerial part of the plant is dependent upon the maintenance of the shoot apical meristem (SAM). A balance between the self-renewing stem cells in the central zone (CZ) and organogenesis in the peripheral zone (PZ) is essential for the integrity, function, and maintenance of the SAM. Understanding how the ...

journal_title：Plant physiology

authors： Ung N,Lal S,Smith HM

更新日期：2011-06-01 00:00:00

abstract：:The rhythmic movement of excised Samanea saman pulvini incubated in H(2)O or 50 mm sucrose was monitored during extended periods of white light (cool white fluorescent, 2,000 ft-c), darkness, or alternating white light (16 hr) and darkness (8 hr). In continuous white light, the rhythm damps at an intermediate angle af...

journal_title：Plant physiology

authors： Simon E,Satter RL,Galston AW

更新日期：1976-09-01 00:00:00

abstract：:Room temperature chlorophyll a fluorescence was used to determine the effects of developmental history, developmental stage, and leaf age on susceptibility of spinach to in vivo low temperature (5 degrees C) induced photoinhibition. Spinach (Spinacia oleracea cv Savoy) leaves expanded at cold hardening temperatures (5...

journal_title：Plant physiology

authors： Boese SR,Huner NP

更新日期：1992-07-01 00:00:00

abstract：:The effect of the proline analog azetidine-2-carboxylic acid (Aze) on the induction and the regulation of heat-shock (HS) mRNA accumulation and heat-shock protein (HSP) synthesis in soybean (Glycine max) seedlings was studied. Treatment with Aze elicited an HS-like response at the normal growth temperature, 28[deg]C, ...

journal_title：Plant physiology

authors： Lee Y,Nagao RT,Lin CY,Key JL

更新日期：1996-01-01 00:00:00

abstract：:Auxins and cytokinins support cell division in tissue and cell cultures. In cytokinin-independent pear (Pyrus communis) cells, omission of 2,4-dichlorophenoxyacetic acid (2,4-D) from the medium for two successive transfers leads to rapid cell lysis, unless the osmolarity is raised to 0.4 molar with mannitol. Use of th...

journal_title：Plant physiology

authors： Pech JC,Romani RJ

更新日期：1979-11-01 00:00:00