Highly sensitive determination of transient generation of biophotons during hypersensitive response to cucumber mosaic virus in cowpea.

abstract：:Photosynthesis has become a major trait of interest for cereal yield improvement as breeders appear to have reached the theoretical genetic limit for harvest index, the mass of grain as a proportion of crop biomass. Yield improvements afforded by the adoption of green revolution dwarfing genes to wheat and rice are be...

journal_title：Journal of experimental botany

authors： Furbank RT,Sharwood R,Estavillo GM,Silva-Perez V,Condon AG

更新日期：2020-04-06 00:00:00

abstract：:Sugars play an important role in grapevine flowering. This complex process from inflorescence initiation to fruit maturity takes two growing seasons. Currently, most of the available data concern the involvement of sugars as energy sources during the formation of reproductive structures from initiation of inflorescenc...

journal_title：Journal of experimental botany

authors： Lebon G,Wojnarowiez G,Holzapfel B,Fontaine F,Vaillant-Gaveau N,Clément C

更新日期：2008-01-01 00:00:00

abstract：:In taproot of oilseed rape (Brassica napus L.), a 23 kDa polypeptide has been recently identified as a putative vegetative storage protein (VSP) because of its accumulation during flowering and its specific mobilization to sustain grain filling when N uptake is strongly reduced. The objectives were to characterize thi...

journal_title：Journal of experimental botany

authors： Rossato L,Le Dantec C,Laine P,Ourry A

更新日期：2002-02-01 00:00:00

abstract：:To elucidate the phytohormonal basis of the feedback regulation of leaf senescence induced by potassium (K) deficiency in cotton (Gossypium hirsutum L.), two cultivars contrasting in sensitivity to K deficiency were self- and reciprocally grafted hypocotyl-to-hypocotyl, using standard grafting (one scion grafted onto ...

journal_title：Journal of experimental botany

authors： Wang Y,Li B,Du M,Eneji AE,Wang B,Duan L,Li Z,Tian X

更新日期：2012-10-01 00:00:00

abstract：:Legumes fix atmospheric nitrogen through a symbiotic relationship with bacteroids in root nodules. Following fixation in pea (Pisum sativum L.) nodules, nitrogen is reduced to amino acids that are exported via the nodule xylem to the shoot, and in the phloem to roots in support of growth. However, the mechanisms invol...

journal_title：Journal of experimental botany

authors： Garneau MG,Tan Q,Tegeder M

更新日期：2018-10-12 00:00:00

abstract：:Soil drying and re-wetting (DRW) occurs at varying frequencies and intensities during crop production, and is deliberately used in water-saving irrigation techniques that aim to enhance crop water use efficiency. Soil drying not only limits root water uptake which can (but not always) perturb shoot water status, but a...

journal_title：Journal of experimental botany

authors： Dodd IC,Puértolas J,Huber K,Pérez-Pérez JG,Wright HR,Blackwell MS

更新日期：2015-04-01 00:00:00

abstract：:Inside chloroplasts, several abiotic stresses (including drought, high light, salinity, or extreme temperatures) induce a reduction in CO2 assimilation rates with a consequent increase in reactive oxygen species (ROS) production, ultimately leading to leaf senescence and yield loss. Photo-oxidation processes should th...

journal_title：Journal of experimental botany

authors： Pintó-Marijuan M,Munné-Bosch S

更新日期：2014-07-01 00:00:00

abstract：:The H2A.Z histone variant plays a role in the modulation of environmental responses, but the nature of the associated mechanisms remains enigmatic. We investigated global H2A.Z deposition and transcriptomic changes in rice (Oryza sativa) upon exposure to phosphate (Pi) deficiency and in response to RNAi knockdown of O...

journal_title：Journal of experimental botany

authors： Zahraeifard S,Foroozani M,Sepehri A,Oh DH,Wang G,Mangu V,Chen B,Baisakh N,Dassanayake M,Smith AP

更新日期：2018-09-14 00:00:00

abstract：:Alloplasmic lines of Brassica napus with rearranged Arabidopsis thaliana mitochondrial DNA are male sterile and vegetatively altered compared with B. napus cv. Hanna. The CMS lines contain pure nuclear and plastid genomes from B. napus. Cross-sections of leaves revealed elevated starch accumulation and a higher number...

journal_title：Journal of experimental botany

authors： Teixeira RT,Knorpp C,Glimelius K

更新日期：2005-04-01 00:00:00

abstract：:The effects of increasing light and of a heterologous bHLH transcription factor on the accumulation of condensed tannins (CT) were investigated in leaves of Lotus corniculatus, a model legume species which accumulates these secondary metabolites in leaves as well as reproductive tissues. Light and expression of the tr...

journal_title：Journal of experimental botany

authors： Paolocci F,Bovone T,Tosti N,Arcioni S,Damiani F

更新日期：2005-04-01 00:00:00

abstract：:Fructans are water-soluble fructose oligomers and polymers that are based on sucrose, and have been implicated in protecting plants against water stress. Rice (Oryza sativa L.) is highly sensitive to chilling temperatures, and is not able to synthesize fructans. Two wheat fructan-synthesizing enzymes, sucrose:sucrose ...

journal_title：Journal of experimental botany

authors： Kawakami A,Sato Y,Yoshida M

更新日期：2008-01-01 00:00:00

abstract：:The extracellular matrix (ECM) of many charophytes, the assemblage of green algae that are the sister group to land plants, is complex, produced in large amounts, and has multiple essential functions. An extensive secretory apparatus and endomembrane system are presumably needed to synthesize and secrete the ECM, but ...

journal_title：Journal of experimental botany

authors： Domozych DS,Sun L,Palacio-Lopez K,Reed R,Jeon S,Li M,Jiao C,Sørensen I,Fei Z,Rose JKC

更新日期：2020-06-11 00:00:00

abstract：:Novel genes that function in the conversion of indole-3-acetamide (IAM) into indole-3-acetic acid (IAA), which were previously thought to exist only in the bacterial genome, have been isolated from plants. The finding of the AtAMI1 gene in Arabidopsis thaliana and the NtAMI1 gene in Nicotiana tabacum, which encode ind...

journal_title：Journal of experimental botany

authors： Mano Y,Nemoto K,Suzuki M,Seki H,Fujii I,Muranaka T

更新日期：2010-01-01 00:00:00

abstract：:Studies of the hydraulic properties of xylem vessels have been limited to measurements of whole plant or whole stem segments. This approach allows the longitudinal transport properties of the ensemble of vessels within a stem to be determined, but provides little information on radial transport. Here the xylem of Frax...

journal_title：Journal of experimental botany

authors： Zwieniecki MA,Melcher PJ,Holbrook NM

更新日期：2001-02-01 00:00:00

abstract：:Regulated cell death plays key roles during essential processes along the plant life cycle. It takes part of specific developmental programs and maintains the organism homeostasis in response to unfavorable environments. Ferroptosis is a recently discovered iron-dependent cell death pathway characterized by the accumu...

journal_title：Journal of experimental botany

authors： Distéfano AM,López GA,Setzes N,Marchetti F,Cainzos M,Cascallares M,Zabaleta E,Pagnussat GC

更新日期：2020-09-11 00:00:00

abstract：:The indeterminate gametophyte1 (ig1) mutation was first characterized to modulate female gametophyte development in maize (Zea mays). However, the function of its rice orthologue, OsIG1, remains unknown. For this, we first analysed OsIG1 localization from differential tissues in rice. Real-time quantitative PCR (qRT-P...

journal_title：Journal of experimental botany

authors： Zhang J,Tang W,Huang Y,Niu X,Zhao Y,Han Y,Liu Y

更新日期：2015-01-01 00:00:00

abstract：:Soybean (Glycine max L. Merr.) plants exposed to 10 mM KNO(3) for a 4 d period were used to test the correlation between nitrogenase activity, gene expression and sucrose metabolism. Nitrate caused the down-regulation of sucrose synthase (SS) transcripts within 1 d, although a decline in nodule SS activity and an incr...

journal_title：Journal of experimental botany

authors： Gordon AJ,Skøt L,James CL,Minchin FR

更新日期：2002-03-01 00:00:00

abstract：:Wounding of plants leads to endogenous rise of jasmonic acid (JA) accompanied with the expression of a distinct set of genes. Among them are those coding for the allene oxide cyclase (AOC) that catalyses a regulatory step in JA biosynthesis, and for 1-deoxy-D-xylulose 5-phosphate synthase 2 (DXS2), an enzyme involved ...

journal_title：Journal of experimental botany

authors： Tretner C,Huth U,Hause B

更新日期：2008-01-01 00:00:00

abstract：:It has been suggested that antioxidants play a role in regulating or modulating senescence dynamics of plant tissues. Ethylene has been shown to promote early plant senescence while controlled atmospheres (CA; reduced O2 levels and elevated CO2 levels) can delay its onset and/or severity. In order to examine the possi...

journal_title：Journal of experimental botany

authors： Hodges DM,Forney CF

更新日期：2000-03-01 00:00:00

abstract：:This work examines the involvement of haem oxygenase-1 (HO-1) in salicylic acid (SA)-induced alleviation of oxidative stress as a result of cadmium (Cd) stress in alfalfa (Medicago sativa L.) seedling roots. CdCl(2) exposure caused severe growth inhibition and Cd accumulation, which were potentiated by pre-treatment w...

journal_title：Journal of experimental botany

authors： Cui W,Li L,Gao Z,Wu H,Xie Y,Shen W

更新日期：2012-09-01 00:00:00

abstract：:Plants are sessile organisms forced to adjust to their surrounding environment. In a single plant the photoautotrophic shoot is exposed to pronounced environmental variations recurring in a day-night 24 h (diel) cycle, whereas the heterotrophic root grows in a temporally less fluctuating environment. The contrasting h...

journal_title：Journal of experimental botany

authors： Ruts T,Matsubara S,Wiese-Klinkenberg A,Walter A

更新日期：2012-05-01 00:00:00

abstract：:Loquat (Eriobotrya japonica Lindl.) can be sorted into red- and white-fleshed cultivars. The flesh of Luoyangqing (LYQ, red-fleshed) appears red-orange because of a high content of carotenoids while the flesh of Baisha (BS, white-fleshed) appears ivory white due to a lack of carotenoid accumulation. The carotenoid con...

journal_title：Journal of experimental botany

authors： Fu X,Kong W,Peng G,Zhou J,Azam M,Xu C,Grierson D,Chen K

更新日期：2012-01-01 00:00:00

abstract：:One crucial problem that plants faced during their evolution, particularly during the transition to growth on land, was how to transport water, nutrients, metabolites, and small signaling molecules within a large, multicellular body. As a solution to this problem, land plants developed specific tissues for conducting ...

journal_title：Journal of experimental botany

authors： Ohtani M,Akiyoshi N,Takenaka Y,Sano R,Demura T

更新日期：2017-01-01 00:00:00

abstract：:The phytohormone ethylene plays important roles in regulating plant responses to phosphate (Pi) starvation. To date, however, no molecular components have been identified that interact with ethylene signalling in regulating such responses. In this work, an Arabidopsis mutant, hps4, was characterized that exhibits enha...

journal_title：Journal of experimental botany

authors： Yu H,Luo N,Sun L,Liu D

更新日期：2012-07-01 00:00:00

abstract：:Tomato, melon, grape, peach, and strawberry primarily accumulate soluble sugars during fruit development. In contrast, kiwifruit (Actinidia Lindl. spp.) and banana store a large amount of starch that is released as soluble sugars only after the fruit has reached maturity. By integrating metabolites measured by gas chr...

journal_title：Journal of experimental botany

authors： Nardozza S,Boldingh HL,Osorio S,Höhne M,Wohlers M,Gleave AP,MacRae EA,Richardson AC,Atkinson RG,Sulpice R,Fernie AR,Clearwater MJ

更新日期：2013-11-01 00:00:00

abstract：:Mitochondrial uncoupling protein 1 (UCP1) decreases reactive oxygen species production under stress conditions by uncoupling the electrochemical gradient from ATP synthesis. This study combined transcriptome profiling with experimentally induced hypoxia to mechanistically dissect the impact of Arabidopsis thaliana UCP...

journal_title：Journal of experimental botany

authors： Barreto P,Okura V,Pena IA,Maia R,Maia IG,Arruda P

更新日期：2016-01-01 00:00:00

abstract：:The chance to watch floral organs develop live is not to be missed! Here, we outline reasons why quantitative, live-cell imaging is an important approach to study floral morphogenesis, and provide a basic workflow of how to get started. We highlight key advances in morphodynamics of lateral organ development, and disc...

journal_title：Journal of experimental botany

authors： Rambaud-Lavigne L,Hay A

更新日期：2020-05-09 00:00:00

abstract：:Cytokinins are one of the most important phytohormones and play essential roles in multiple life processes in planta. Root-derived cytokinins are transported to the shoots via long-distance transport. The mechanisms of long-distance transport of root-derived cytokinins remain to be demonstrated. In this study, we repo...

journal_title：Journal of experimental botany

authors： Zhao J,Yu N,Ju M,Fan B,Zhang Y,Zhu E,Zhang M,Zhang K

更新日期：2019-11-18 00:00:00

abstract：:Very long chain aliphatic compounds occur in the suberin polymer and associated wax. Up to now only few genes involved in suberin biosynthesis have been identified. This is a report on the isolation of a potato (Solanum tuberosum) 3-ketoacyl-CoA synthase (KCS) gene and the study of its molecular and physiological rele...

journal_title：Journal of experimental botany

authors： Serra O,Soler M,Hohn C,Franke R,Schreiber L,Prat S,Molinas M,Figueras M

更新日期：2009-01-01 00:00:00

abstract：:The increasing occurrence of heatwaves has intensified temperature stress on terrestrial vegetation. Here, we investigate how two contrasting isoprene-emitting tropical species, Ficus benjamina and Pachira aquatica, cope with heat stress and assess the role of internal plant carbon sources for isoprene biosynthesis in...

journal_title：Journal of experimental botany

authors： Yáñez-Serrano AM,Mahlau L,Fasbender L,Byron J,Williams J,Kreuzwieser J,Werner C

更新日期：2019-10-24 00:00:00