Abstract:
:We investigated the interaction of Ca2+ and pH on root elongation in Zea mays L. cv. B73 x Missouri 17 and cv. Merit. Seedlings were raised to contain high levels of Ca2+ (HC, imbibed and raised in 10 mM CaCl2) or low levels of Ca2+ (LC, imbibed and raised in distilled water). In HC roots, lowering the pH (5 mM MES/Tris) from 6.5 to 4.5 resulted in strong, long-lasting growth promotion. Surprisingly, increasing the pH from 6.5 to 8.5 also resulted in strong growth promotion. In LC roots acidification of the medium (pH 6.5 to 4.5) resulted in transient growth stimulation followed by a gradual decline in the growth rate toward zero. Exposure of LC roots to high pH (pH shift from 6.5 to 8.5) also promoted growth. Addition of EGTA resulted in strong growth promotion in both LC and HC roots. The ability of EGTA to stimulate growth appeared not to be related to H+ release from EGTA upon Ca2+ chelation since, 1) LC roots showed a strong and prolonged response to EGTA, but only a transient response to acid pH, and 2) promotion of growth by EGTA was observed in strongly buffered solutions. We also examined the pH dependence of the release of 45Ca2+ from roots of 3-day-old seedlings grown from grains imbibed in 45Ca2+. Release of 45Ca2+ from the root into agar blocks placed on the root surface was greater the more acidic the pH of the blocks. The results indicate that Ca2+ may be necessary for the acid growth response in roots.
journal_name
Physiol Plantjournal_title
Physiologia plantarumauthors
Hasenstein KH,Evans MLdoi
10.1111/j.1399-3054.1988.tb09152.xsubject
Has Abstractpub_date
1988-01-01 00:00:00pages
466-70eissn
0031-9317issn
1399-3054journal_volume
72pub_type
杂志文章abstract::Pollen viability and germination are known to be sensitive to high temperature (HT). However, the mode by which high temperature impairs pollen functioning is not yet clear. In the present study, we investigated the effect of high temperature on changes occurring in carbohydrate of bell pepper (Capsicum annuum L. cv. ...
journal_title:Physiologia plantarum
pub_type: 杂志文章
doi:10.1034/j.1399-3054.2001.1120407.x
更新日期:2001-08-01 00:00:00
abstract::Models describing plant hormone interactions are often complex and web-like. Here we assess several suggested interactions within one experimental system, elongating pea internodes. Results from this system indicate that at least some suggested interactions between auxin, gibberellins (GAs), brassinosteroids (BRs), ab...
journal_title:Physiologia plantarum
pub_type: 杂志文章
doi:10.1111/j.1399-3054.2011.01444.x
更新日期:2011-04-01 00:00:00
abstract::The quinolinate phosphoribosyl transferase (QPT) is a key enzyme that converts quinolinic acid into nicotinic acid mononucleotide. The QPT gene plays an essential role in the pyridine nucleotide cycle as well as in the biosynthetic pathway of the alkaloid nicotine. However, a clear role for QPT is yet to be characteri...
journal_title:Physiologia plantarum
pub_type: 杂志文章
doi:10.1111/ppl.12559
更新日期:2017-07-01 00:00:00
abstract::Dormancy release and thermal time to budburst as affected by duration of chilling outdoors, followed by different flushing temperatures and daylengths in a phytotron, were studied in cuttings of several northern tree species. In Betula pubescens, B. pendula and Prunus padus vegetative buds were released from dormancy ...
journal_title:Physiologia plantarum
pub_type: 杂志文章
doi:10.1111/j.1399-3054.1993.tb01368.x
更新日期:1993-08-01 00:00:00
abstract::Microspore embryogenesis is the most powerful androgenic pathway to produce haploid and doubled haploid plants. To deviate a microspore toward embryogenesis, a number of factors, different for each species, must concur at the same time and place. Once induced, the microspore undergoes numerous changes at different lev...
journal_title:Physiologia plantarum
pub_type: 杂志文章,评审
doi:10.1111/j.1399-3054.2008.01113.x
更新日期:2008-09-01 00:00:00
abstract::Plants must constantly adjust their growth and defense responses to deal with the wide variety of stresses they encounter in their environment. Among phytohormones, brassinosteroids (BRs) are an important group of plant steroid hormones involved in numerous aspects of the plant lifecycle including growth, development ...
journal_title:Physiologia plantarum
pub_type: 杂志文章
doi:10.1111/ppl.12691
更新日期:2018-08-01 00:00:00
abstract::Grapevine is one of the earliest domesticated fruit crops that has been widely prized and cultivated for its fruit and wine. Grapes exhibit a wide range of colors, ranging from the green/yellow to the dark blue tones according to the amount and composition of anthocyanin. During the last decades, many studies regardin...
journal_title:Physiologia plantarum
pub_type: 杂志文章
doi:10.1111/ppl.12822
更新日期:2018-12-01 00:00:00
abstract::Developmental changes of photochemical and non-photochemical processes and the antioxidant system in the shaded peel vs the sun-exposed peel of 'Gala' apple and their responses to sudden exposure of high light were determined to understand the susceptibility of the shaded peel to high light damage with fruit developme...
journal_title:Physiologia plantarum
pub_type: 杂志文章
doi:10.1111/j.1399-3054.2008.01131.x
更新日期:2008-10-01 00:00:00
abstract::Medicago intertexta and Melilotus indicus, two wild leguminous herbs with different tolerance to salinity were investigated for NaCl-induced changes in the expression level of some Na(+) transporters. M. indicus plants grew well at NaCl concentration from 0 to 400 mM, whereas growth of M. intertexta plants was severel...
journal_title:Physiologia plantarum
pub_type: 杂志文章
doi:10.1111/j.1399-3054.2007.00940.x
更新日期:2007-09-01 00:00:00
abstract::With the objective to clarify the physiological significance of polyamines (PAs) in the photosynthetic apparatus, the present study investigated the effects of salt stress with and without foliar application of putrescine (Put) on the structure and function of the photosynthetic apparatus in cucumber. Salt stress at 7...
journal_title:Physiologia plantarum
pub_type: 杂志文章
doi:10.1111/j.1399-3054.2012.01623.x
更新日期:2012-11-01 00:00:00
abstract::A treatment period as brief as 8 h in 10(-3) M EGTA completely blocks gravitropism in 70-80% of the treated coleoptiles of oats (Avena sativa L. cv. Garry) without inhibiting growth. Only about 10% of the plants perfused in water failed to exhibit gravitropism. Subsequent perfusion of EGTA-treated plants with calcium ...
journal_title:Physiologia plantarum
pub_type: 杂志文章
doi:10.1111/j.1399-3054.1984.tb06354.x
更新日期:1984-07-01 00:00:00
abstract::The enormous biological diversity of endophytes, coupled with their potential to enhance the production of bioactive metabolites in plants, has driven research efforts focusing on endophytes. However, limited information is available on the impacts of bacterial endophytes on plant secondary metabolism and signaling pa...
journal_title:Physiologia plantarum
pub_type: 杂志文章
doi:10.1111/ppl.12236
更新日期:2015-01-01 00:00:00
abstract::Robust and reproducible methods for extracting thylakoid membranes are required for the analysis of photosynthetic processes in higher plants such as Arabidopsis. Here, we compare three methods for thylakoid extraction using two different buffers. Method I involves homogenizing the plant material with a metal/glass bl...
journal_title:Physiologia plantarum
pub_type: 杂志文章
doi:10.1111/ppl.12384
更新日期:2016-01-01 00:00:00
abstract::Cuttings of Populus kangdingensis C. Wang et Tung and Populus cathayana Rehder were examined during a single growing season in a greenhouse for comparative analysis of their physiological and proteomic responses to drought stress. The said species originate from high and low altitudes, respectively, of the eastern Him...
journal_title:Physiologia plantarum
pub_type: 杂志文章
doi:10.1111/j.1399-3054.2010.01375.x
更新日期:2010-08-01 00:00:00
abstract::Transitory starch in cereal plant leaves is synthesized during the day and remobilized at night to provide a carbon source for growth and grain filling, but its mechanistic basis is still poorly understood. The objective of this study is to explore the regulatory mechanism for starch biosynthesis and degradation in pl...
journal_title:Physiologia plantarum
pub_type: 杂志文章
doi:10.1111/ppl.12233
更新日期:2015-01-01 00:00:00
abstract::It was investigated whether K(+) efflux, like K(+) influx, is affected when roots are transferred between solutions with different K(+) concentrations. Sunflower plants (Hehanthus annuus L. cv. Uniflorus) were grown on complete nutrient solutions with 0.1, 1.0, 10 or 25 mM K(+) . This produced plants with K(+) concent...
journal_title:Physiologia plantarum
pub_type: 杂志文章
doi:10.1111/j.1399-3054.1990.tb00045.x
更新日期:1990-08-01 00:00:00
abstract::Plant genomes encode diverse small RNA classes that function in distinct gene-silencing pathways. To elucidate the intricate regulation of microRNAs (miRNAs) and endogenous small-interfering RNAs (siRNAs) in response to chilling injury in tomato fruit, the deep sequencing and bioinformatic methods were combined to dec...
journal_title:Physiologia plantarum
pub_type: 杂志文章
doi:10.1111/ppl.12509
更新日期:2017-06-01 00:00:00
abstract::The gravitropic curvature of seedlings of lentil (Lens culunaris L. cv. Verte du Puy) grown in microgravity and stimulated on the 1 g centrifuge for 5 to 60 min was followed by time lapse photography in near weightlessness in the frame of the IML 1 Mission of Spacelab. In microgravity, the root tip could overshoot the...
journal_title:Physiologia plantarum
pub_type: 杂志文章
doi:
更新日期:1994-02-01 00:00:00
abstract::The ATP-binding cassette (ABC) transporters belong to a large protein family predominantly present in diverse species. ABC transporters are driven by ATP hydrolysis and can act as exporters as well as importers. These proteins are localized in the membranes of chloroplasts, mitochondria, peroxisomes and vacuoles. ABC ...
journal_title:Physiologia plantarum
pub_type: 杂志文章
doi:10.1111/ppl.13302
更新日期:2020-12-06 00:00:00
abstract::Developing drought-tolerant cultivars is mainly restricted due to poor knowledge of the mechanism behind drought tolerance. In the present work, available germplasm of Vigna radiata (mung bean) was screened for drought tolerance using multiple agronomic and physiological parameters and used to selected one drought-tol...
journal_title:Physiologia plantarum
pub_type: 杂志文章
doi:10.1111/ppl.13337
更新日期:2021-01-25 00:00:00
abstract::Double-flower loquat (Eriobotrya japonica) is a new germplasm with homeotic transformation of stamen into petal in whorl 3. However, little information is available on the molecular mechanism of this transformation. Herein, we analyzed the transcriptome, candidate genes and endogenous hormones to investigate the mecha...
journal_title:Physiologia plantarum
pub_type: 杂志文章
doi:10.1111/ppl.13029
更新日期:2020-04-01 00:00:00
abstract::The patterns of light activation of 4 chloroplastic enzymes were examined in mesophyll protoplasts of pea (Pisum sativum) in the absence or presence of oligomycin (inhibitor of oxidative phosphorylation) or antimycin A (inhibitor of cytochrome pathway) or salicylhydroxamic acid (SHAM, inhibitor of alternative pathway)...
journal_title:Physiologia plantarum
pub_type: 杂志文章
doi:10.1034/j.1399-3054.2001.1120417.x
更新日期:2001-08-01 00:00:00
abstract::How plants adapt to freezing temperatures and acclimate to survive the formation of ice within their tissues has been a subject of study for botanists and plant scientists since the latter part of the 19th century. In recent years, there has been an explosion of information on this topic and molecular biology has prov...
journal_title:Physiologia plantarum
pub_type: 杂志文章
doi:10.1111/j.1399-3054.2012.01611.x
更新日期:2013-01-01 00:00:00
abstract::Sequestration of Pb by synthetic chelates has been reported to increase bioavailability, uptake, and translocation of this metal in plants. In this work the potential phytotoxic effects of Pb-EDTA were investigated in Phaseolus vulgaris L. cv. Limburgse vroege plants grown on hydroponics. Addition of 50 microM Pb-EDTA...
journal_title:Physiologia plantarum
pub_type: 杂志文章
doi:10.1034/j.1399-3054.2002.1150307.x
更新日期:2002-07-01 00:00:00
abstract::Intervessel pits are structures that play a key role in the efficiency and safety functions of xylem hydraulics. However, little is known about the components of the pit membrane (PM) and their role in hydraulic functions, especially in resistance to cavitation. We tested the effect of commercial chemicals including a...
journal_title:Physiologia plantarum
pub_type: 杂志文章
doi:10.1111/ppl.12092
更新日期:2014-03-01 00:00:00
abstract::Mitogen-activated protein kinase (MAPK) cascades are universal signaling modules in eukaryotes, including yeasts, animals and plants. They are involved in responses to various biotic and abiotic stresses, hormones, cell division and developmental processes. A MAPK cascade is composed of three functionally tiered prote...
journal_title:Physiologia plantarum
pub_type: 杂志文章
doi:10.1111/ppl.12533
更新日期:2017-04-01 00:00:00
abstract::Shoot-root communication is involved in plant stress responses, but its mechanism is largely unknown. To determine the role of roots in stress tolerance, cucumber (Cucumis sativus) shoots from plants with roots of their own or with figleaf gourd (Cucurbita ficifolia, a chilling-tolerant species) or luffa (Luffa cylind...
journal_title:Physiologia plantarum
pub_type: 杂志文章
doi:10.1111/ppl.12200
更新日期:2014-11-01 00:00:00
abstract::We studied copper uptake in inside-out plasma membrane vesicles derived from roots of copper-sensitive, moderately copper-tolerant and highly copper-tolerant populations of Silene vulgaris (Amsterdam, Marsberg and Imsbach, respectively). Plasma membrane vesicles were isolated using the two-phase partitioning method an...
journal_title:Physiologia plantarum
pub_type: 杂志文章
doi:10.1034/j.1399-3054.2001.1130210.x
更新日期:2001-10-01 00:00:00
abstract::A novel membrane lipoxygenase (LOX; EC 1.13.11.12) from eggplant (Solanum melongena L. cv. Belleza negra) fruit chloroplasts has been purified 20-fold to a specific activity of 207 enzymatic units per mg of protein with a yield of 72%. The purification was carried out by sonicating the chloroplastic membranes in the p...
journal_title:Physiologia plantarum
pub_type: 杂志文章
doi:10.1034/j.1399-3054.2001.1110303.x
更新日期:2001-03-01 00:00:00
abstract::In this study, we present a rapid, robust and sensitive method for quantification of plant amino acid uptake using universally (U) (13C, 15N)-labelled amino acids and gas chromatography-mass spectrometry (GC-MS). Amino acids were analysed as their tert-butyldimethylsilyl (tBDMS) derivatives and displayed detection lim...
journal_title:Physiologia plantarum
pub_type: 杂志文章
doi:10.1034/j.1399-3054.2001.1130308.x
更新日期:2001-11-01 00:00:00