Can dual chlorophyll fluorescence excitation be used to assess the variation in the content of UV-absorbing phenolic compounds in leaves of temperate tree species along a light gradient?

abstract：:In angiosperms, fertilization and subsequent zygotic development occur in embryo sacs deeply embedded in the ovaries; therefore, these processes are poorly elucidated. In this study, microarray-based transcriptome analyses were conducted on rice sperm cells, egg cells, and zygotes isolated from flowers to identify can...

journal_title：Journal of experimental botany

authors： Abiko M,Maeda H,Tamura K,Hara-Nishimura I,Okamoto T

更新日期：2013-04-01 00:00:00

abstract：:Rapid alkalinization factor (RALF) is a peptide signal that plays a basic role in cell biology and most likely regulates cell expansion. In this study, transgenic Arabidopsis thaliana lines with high and low levels of AtRALF1 transcripts were used to investigate this peptide's mechanism of action. Overexpression of th...

journal_title：Journal of experimental botany

authors： Bergonci T,Ribeiro B,Ceciliato PH,Guerrero-Abad JC,Silva-Filho MC,Moura DS

更新日期：2014-05-01 00:00:00

abstract：:Next-generation sequencing enables the study of species without a sequenced genome at the 'omics' level. Custom transcriptome databases are generated and global expression profiles can be compared. However, the assembly of transcriptome sequence reads into contigs remains a daunting task. In this study, five different...

journal_title：Journal of experimental botany

authors： Bräutigam A,Mullick T,Schliesky S,Weber AP

更新日期：2011-05-01 00:00:00

abstract：:Dihydroflavonol 4-reductase (DFR) is the first committed enzyme of the anthocyanin and condensed tannin pathways. Several DFR cDNAs have been cloned, and different specificities of DFR isozymes in the substrate hydroxylation patterns have been reported, but only fragmentary knowledge of DFR gene organization is availa...

journal_title：Journal of experimental botany

authors： Shimada N,Sasaki R,Sato S,Kaneko T,Tabata S,Aoki T,Ayabe S

更新日期：2005-09-01 00:00:00

abstract：:Rice is an important crop that is very sensitive to salinity. However, some varieties differ greatly in this feature, making investigations of salinity tolerance mechanisms possible. The cultivar Pokkali is salinity tolerant and is known to have more extensive hydrophobic barriers in its roots than does IR20, a more s...

journal_title：Journal of experimental botany

authors： Krishnamurthy P,Ranathunge K,Nayak S,Schreiber L,Mathew MK

更新日期：2011-08-01 00:00:00

abstract：:Photosynthesis is fundamental to biomass production, but sensitive to drought. To understand the genetics of leaf photosynthesis, especially under drought, upland rice cv. Haogelao, lowland rice cv. Shennong265, and 94 of their introgression lines (ILs) were studied at flowering and grain filling under drought and wel...

journal_title：Journal of experimental botany

authors： Gu J,Yin X,Struik PC,Stomph TJ,Wang H

更新日期：2012-01-01 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 frost hardiness of many plants such as chickpea can be increased by exposure to low non-freezing temperatures and/or the application of abscisic acid (ABA), a process known as frost acclimation. Experiments were conducted to study the response over a 14 d period of enriched plasma membrane fractions isolated from ...

journal_title：Journal of experimental botany

authors： Bakht J,Bano A,Dominy P

更新日期：2006-01-01 00:00:00

abstract：:The accumulation of the pathogenesis-related (PR) proteins beta-1,3-glucanase and chitinase and structural defence responses were studied in leaves of wheat either resistant or susceptible to the hemibiotrophic pathogen Septoria tritici. Resistance was associated with an early accumulation of beta-1,3-glucanase and ch...

journal_title：Journal of experimental botany

authors： Shetty NP,Jensen JD,Knudsen A,Finnie C,Geshi N,Blennow A,Collinge DB,Jørgensen HJ

更新日期：2009-01-01 00:00:00

abstract：:The short-term effects of sodium azide (NaN(3)) on water flow in red-osier dogwood (Cornus stolonifera Michx.) seedlings were examined in excised roots at a constant pressure of 0.3 MPa. NaN(3) significantly decreased root water flow rates (Q(v)). It also induced a significant reduction in root respiration and reduced...

journal_title：Journal of experimental botany

authors： Kamaluddin M,Zwiazek JJ

更新日期：2001-04-01 00:00:00

abstract：:Arabinogalactan proteins (AGPs) comprise a family of hydroxyproline-rich glycoproteins that are implicated in plant growth and development. In this study, 69 AGPs are identified from the rice genome, including 13 classical AGPs, 15 arabinogalactan (AG) peptides, three non-classical AGPs, three early nodulin-like AGPs ...

journal_title：Journal of experimental botany

authors： Ma H,Zhao J

更新日期：2010-06-01 00:00:00

abstract：:Plant mitochondrial respiration involves operation of various alternate pathways. These pathways participate, both directly and indirectly, in the maintenance of mitochondrial functions though they do not contribute to energy production being uncoupled from the generation of an electrochemical gradient across the mito...

journal_title：Journal of experimental botany

authors： Popov VN,Syromyatnikov MY,Fernie AR,Chakraborty S,Gupta KJ,Igamberdiev AU

更新日期：2020-11-27 00:00:00

abstract：:The cotyledon represents one of the bases of classification within the plant kingdom, providing the name-giving difference between dicotyledonous and monocotyledonous plants. It is also a fundamental organ and there have been many reports of cotyledon mutants in many species. The use of these mutants where they have a...

journal_title：Journal of experimental botany

authors： Chandler JW

更新日期：2008-01-01 00:00:00

abstract：:Manganese (Mn) is an essential micronutrient for plant growth but is often toxic in acid or waterlogged soils. Using cowpea (Vigna unguiculata L. Walp.) grown with 0.05-1500 μM Mn in solution, two short-term (48 h) solution culture experiments examined if the effects of cations (Ca, Mg, Na, Al, or H) on Mn nutrition a...

journal_title：Journal of experimental botany

authors： Kopittke PM,Blamey FP,Wang P,Menzies NW

更新日期：2011-07-01 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：:Among three AO isoforms detected in pea plants, the activity of PAO-1 was dominant in leaves of seedlings and young leaves of mature plants, while PAO-3 revealed the highest band intensity in old leaves and roots. PAO-1 and PAO-3 are homodimers consisting of 145 kDa and 140 kDa subunits, respectively, while PAO-2 is a...

journal_title：Journal of experimental botany

authors： Zdunek-Zastocka E,Omarov RT,Koshiba T,Lips HS

更新日期：2004-06-01 00:00:00

abstract：:Plant injury by ozone (O3) occurs in three stages, O3 entrance through stomata, overcoming defences, and attack on bioreceptors. Concentration, deposition, and uptake of O3 are accessible by observation and modelling, while injury can be assessed visually or through remote sensing. However, the relationship between O3...

journal_title：Journal of experimental botany

authors： Grantz DA,Vu HB,Heath RL,Burkey KO

更新日期：2013-04-01 00:00:00

abstract：:Particular physiological traits allow the vascular plants Deschampsia antarctica Desv. and Colobanthus quitensis (Kunth) Bartl. to inhabit Antarctica. The photosynthetic performance of these species was evaluated in situ, focusing on diffusive and biochemical constraints to CO2 assimilation. Leaf gas exchange, Chl a f...

journal_title：Journal of experimental botany

authors： Sáez PL,Bravo LA,Cavieres LA,Vallejos V,Sanhueza C,Font-Carrascosa M,Gil-Pelegrín E,Javier Peguero-Pina J,Galmés J

更新日期：2017-05-17 00:00:00

abstract：:Detyrosination of α-tubulin seems to be conserved in all eukaryotes. However, its biological function in plants has remained obscure. A conserved C-terminal tyrosine is removed by a still unidentified tubulin-tyrosine carboxypeptidase (TTC) and can be religated by a tubulin-tyrosine ligase (TTL). To obtain insight int...

journal_title：Journal of experimental botany

authors： Schneider N,Ludwig H,Nick P

更新日期：2015-04-01 00:00:00

abstract：:The transgenic traits associated with the majority of commercial genetically modified crops are focused on improving herbicide and insecticide management practices. The use of the transgenic technology in these crops and the associated chemistry has been the basis of studies that provide evidence for occasional improv...

journal_title：Journal of experimental botany

authors： Knox OG,Walker RL,Booth EJ,Hall C,Crossan AN,Gupta VV

更新日期：2012-01-01 00:00:00

abstract：:Iron (Fe) is vital for plant growth. Plants balance the beneficial and toxic effects of this micronutrient, and tightly control Fe uptake and allocation. Here, we review the role of the basic helix-loop-helix (bHLH) transcription factor FIT (FER-LIKE FE DEFICIENCY-INDUCED TRANSCRIPTION FACTOR) in Fe acquisition. FIT i...

journal_title：Journal of experimental botany

authors： Schwarz B,Bauer P

更新日期：2020-03-12 00:00:00

abstract：:The C4 photosynthetic pathway uses water more efficiently than the C3 type, yet biogeographical analyses show a decline in C4 species relative to C3 species with decreasing rainfall. To investigate this paradox, the hypothesis that the C4 advantage over C3 photosynthesis is diminished by drought was tested, and the un...

journal_title：Journal of experimental botany

authors： Ripley BS,Gilbert ME,Ibrahim DG,Osborne CP

更新日期：2007-01-01 00:00:00

abstract：:Monitoring transcriptional reorganization triggered in response to a particular stress is an essential first step for the functional analysis of genes involved in the process. To characterize Cicer arietinum L. defence responses against Helicoverpa armigera feeding, transcript patterns elicited by both herbivore and m...

journal_title：Journal of experimental botany

authors： Singh A,Singh IK,Verma PK

更新日期：2008-01-01 00:00:00

abstract：:The 1-deoxy-D-xylulose 5-phosphate synthase (DXS) enzyme catalyses the first biosynthetic step of the 2-C-methyl-D-erythritol 4-phosphate (MEP) pathway. In plants the MEP pathway is involved in the synthesis of the common precursors to the plastidic isoprenoids, isopentenyl diphosphate and dimethylallyl diphosphate, i...

journal_title：Journal of experimental botany

authors： Cordoba E,Porta H,Arroyo A,San Román C,Medina L,Rodríguez-Concepción M,León P

更新日期：2011-03-01 00:00:00

abstract：:Physiological aspects of acidity stress in plants (synonymous with H(+) rhizotoxicity or low-pH stress) have long been a focus of research, in particular with respect to acidic soils where aluminium and H(+) rhizotoxicities often co-occur. However, toxic H(+) and Al(3+) elicit different response mechanisms in plants, ...

journal_title：Journal of experimental botany

authors： Shavrukov Y,Hirai Y

更新日期：2016-01-01 00:00:00

abstract：:Using the gamma-glutamylcysteine synthetase inhibitor, L-buthionine-[S,R]-sulphoximine (BSO), the role for phytochelatins (PCs) was evaluated in Cu, Cd, Zn, As, Ni, and Co tolerance in non-metallicolous and metallicolous, hypertolerant populations of Silene vulgaris (Moench) Garcke, Thlaspi caerulescens J.&C. Presl., ...

journal_title：Journal of experimental botany

authors： Schat H,Llugany M,Vooijs R,Hartley-Whitaker J,Bleeker PM

更新日期：2002-12-01 00:00:00

abstract：:In recent years, post-translational modification (PTM) of proteins has emerged as a key process that integrates plant growth and response to a changing environment. During the processes of domestication and breeding, plants were selected for various yield and adaptational characteristics. The post-translational modifi...

journal_title：Journal of experimental botany

authors： Garrido E,Srivastava AK,Sadanandom A

更新日期：2018-08-31 00:00:00

abstract：:Environmental factors alter the impacts of parasitic plants on their hosts. However, there have been no controlled studies on how water availability modulates stem hemiparasites' effects on hosts. A glasshouse experiment was conducted to investigate the association between the Australian native stem hemiparasite Cassy...

journal_title：Journal of experimental botany

authors： Cirocco RM,Facelli JM,Watling JR

更新日期：2016-03-01 00:00:00

abstract：:γ-Aminobutyric acid (GABA) is implicated in pollen tube growth, but the molecular and cellular mechanisms that it mediates are largely unknown. Here, it is shown that exogenous GABA modulates putative Ca(2+)-permeable channels on the plasma membranes of tobacco pollen grains and pollen tubes. Whole-cell voltage-clamp ...

journal_title：Journal of experimental botany

authors： Yu GH,Zou J,Feng J,Peng XB,Wu JY,Wu YL,Palanivelu R,Sun MX

更新日期：2014-07-01 00:00:00

abstract：:Recent research is beginning to reveal how intricate networks of hormones and transcription factors coordinate the complex patterning of the gynoecium, the female reproductive structure of flowering plants. This review summarizes recent advances in understanding of how auxin biosynthesis, transport, and responses toge...

journal_title：Journal of experimental botany

authors： Larsson E,Franks RG,Sundberg E

更新日期：2013-06-01 00:00:00