Effect of anti-auxins on maturation of embryogenic tissue cultures of Nordmanns fir (Abies nordmanniana).

abstract：:Changes in function and composition of the photosynthetic apparatus as well as the ultrastructure of chloroplasts in mesophyll cells were analyzed in flag leaves of the high-yield barley (Hordeum vulgare) variety cv. Lomerit during senescence under field conditions in two successive years. In contrast to previous resu...

journal_title：Physiologia plantarum

authors： Krupinska K,Mulisch M,Hollmann J,Tokarz K,Zschiesche W,Kage H,Humbeck K,Bilger W

更新日期：2012-02-01 00:00:00

abstract：:As in plants sugar sensing and signal transduction involve pathways dependent or independent on hexokinase 1 (HXK1) as a glucose sensor, research was conducted to determine which pathway is responsible for regulation of the nitrate reduction. An Arabidopsis mutant with T-DNA insertion in the AtHXK1 gene and defects in...

journal_title：Physiologia plantarum

authors： Reda M

更新日期：2013-10-01 00:00:00

abstract：:Recently, we have isolated salt-tolerance genes (SATs) on the basis of the overexpression screening of yeast with a maize cDNA library from kernels. One of the selected genes [salt-tolerance 32 (SAT32)] appears to be a key determinant for salt stress tolerance in yeast cells. Maize SAT32 cDNA encodes for a 49-kDa prot...

journal_title：Physiologia plantarum

authors： Park MY,Chung MS,Koh HS,Lee DJ,Ahn SJ,Kim CS

更新日期：2009-04-01 00:00:00

abstract：:The whole-genome molecular mechanisms of melatonin (MT)-mediated enhancement of thermotolerance in plants has rarely been studied. In this study, the genome-wide gene expression profiles of kiwifruit seedlings primed with MT and non-MT at 45°C were analyzed by RNA-Seq. A total of 3 299 differentially expressed genes (...

journal_title：Physiologia plantarum

authors： Xia H,Zhou Y,Deng H,Lin L,Deng Q,Wang J,Lv X,Zhang X,Liang D

更新日期：2021-01-28 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

authors： Pérez-Gilabert M,López-Nicolás JM,García Carmona F

更新日期：2001-03-01 00:00:00

abstract：:The composition and concentrations of phenolic compounds were studied in the first true leaves, cotyledons, stems and roots of 2.5-week-old seedlings of mountain birch (Betula pubescens ssp. czerepanovii). The differences in secondary compounds among these plant parts were both qualitative and quantitative. In all par...

journal_title：Physiologia plantarum

authors： Keski-Saari S,Julkunen-Tiitto R

更新日期：2003-05-01 00:00:00

abstract：:Regional climate change in Antarctica would favor the carbon assimilation of Antarctic vascular plants, since rising temperatures are approaching their photosynthetic optimum (10-19°C). This could be detrimental for photoprotection mechanisms, mainly those associated with thermal dissipation, making plants more suscep...

journal_title：Physiologia plantarum

authors： Sáez PL,Rivera BK,Ramírez CF,Vallejos V,Cavieres LA,Corcuera LJ,Bravo LA

更新日期：2019-03-01 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

authors： Li H,Wang F,Chen XJ,Shi K,Xia XJ,Considine MJ,Yu JQ,Zhou YH

更新日期：2014-11-01 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

authors： Pettersson S,Kasimir-Klemedtsson A

更新日期：1990-08-01 00:00:00

abstract：:Thiamin, an important member of the vitamin B family, is believed to play a significant role in mitigating environmental stresses including drought stress. In turnip, drought stress causes a reduced growth, biomass yield, pigment content, total phenolics and ascorbic acid (AsA), particularly at 50% field capacity (F.C...

journal_title：Physiologia plantarum

authors： Jabeen M,Akram NA,Ashraf M,Alyemeni MN,Ahmad P

更新日期：2020-09-19 00:00:00

abstract：:Plants can sense the changes in the environmental light conditions with highly specialized photoreceptors. Phytochromes are sensitive to red and far-red light and have a dual role in the life of plants. These photoreceptors play an important role in plant growth and development from germination to seed maturation and ...

journal_title：Physiologia plantarum

authors： Kevei E,Nagy F

更新日期：2003-03-01 00:00:00

abstract：:In this review, we discuss the biology and beneficial effects of plant endophytes on host plants. The current explanation of endophyte protection (defensive mutualism) of host plants is based on the secondary metabolites (alkaloids) with antiherbivore properties produced by the symbiotic association between host plant...

journal_title：Physiologia plantarum

authors： White JF Jr,Torres MS

更新日期：2010-04-01 00:00:00

abstract：:The modifying effect of sucrose on glutamate dehydrogenase (GDH) activity and isoenzyme pattern was investigated in isolated embryos of lupine (Lupinus luteus L.), cultured in vitro in a medium with sucrose (+S) or without sucrose (-S) and exposed to cadmium (Cd) and lead (Pb) stress. Sucrose starvation of lupine embr...

journal_title：Physiologia plantarum

authors： Lehmann T,Skrok A,Dabert M

更新日期：2010-01-01 00:00:00

abstract：:Chlorophyll (Chl) and total soluble protein decreased and proteolytic activity increased over a 12-day period during dark-induced senescence in detached leaves of Tara, a yellowing cultivar (Y) of Dendranthema grandiflora. In Boaldi, a non-yellowing cultivar (NY), Chl and soluble protein remained near initial levels a...

journal_title：Physiologia plantarum

authors： Reyes-Arribas T,Barrett JE,Huber DJ,Nell TA,Clark DG

更新日期：2001-04-01 00:00:00

abstract：:Most eukaryotic organisms, except some animal clades, have mitochondrial alternative electron transport enzymes that allow respiration to bypass the energy coupling in oxidative phosphorylation. The energy bypass enzymes in plants include the external type II NAD(P)H dehydrogenases (DHs) of the NDB family, which are c...

journal_title：Physiologia plantarum

authors： Hao MS,Rasmusson AG

更新日期：2016-07-01 00:00:00

abstract：:The Kok effect refers to the progressive light-induced inhibition of dark respiration at low light intensities, which saturates around the light compensation point. This appears as a sudden break around the light compensation point in the plot of photosynthesis versus light intensity. The magnitude of the break can be...

journal_title：Physiologia plantarum

authors： Padmavathi L,Raghavendra AS

更新日期：2001-11-01 00:00:00

abstract：:This work investigated the importance of the ability of leaf mesophyll cells to control K(+) flux across the plasma membrane as a trait conferring tissue tolerance mechanism in plants grown under saline conditions. Four wheat (Triticum aestivum and Triticum turgidum) and four barley (Hordeum vulgare) genotypes contras...

journal_title：Physiologia plantarum

authors： Wu H,Shabala L,Barry K,Zhou M,Shabala S

更新日期：2013-12-01 00:00:00

abstract：:In response to suboptimal temperatures, temperate annual plants often increase root:shoot ratios, build-up carbohydrates and display typical morphological and anatomical changes. We know less about the responses of biennials such as carrot. As a model plant, carrot has the additional feature of two functionally and mo...

journal_title：Physiologia plantarum

authors： González MV,Sadras VO,Equiza MA,Tognetti JA

更新日期：2009-09-01 00:00:00

abstract：:The effects of perturbation and excision on net NO3- uptake, influx and efflux in roots of 8-day-old barley (Hordeum vulgare L.) seedlings induced with NO3- or NO2- were determined. Perturbation was simulated by mechanically striking the intact roots with a glass rod. Perturbation or excision of roots and subsequent...

journal_title：Physiologia plantarum

authors： Aslam M,Travis RL,Rains DW,Huffaker RC

更新日期：1996-07-01 00:00:00

abstract：:A full-length cDNA encoding Narcissus tazetta lectin (NTL) was isolated from Chinese narcissus (N. tazetta var. Chinensis Roem). The open reading frame (ORF) was 519 bp long and encoded 172 amino acids with a theoretical isoelectric point of 5.27 and a calculated molecular mass of 18.6 kDa. Conserved domain analysis i...

journal_title：Physiologia plantarum

authors： Gao ZM,Zheng B,Wang WY,Li Q,Yuan QP

更新日期：2011-06-01 00:00:00

abstract：:The effect of various concentrations of aminoethoxyvinylglycine (AVG; 0.32 and 1.28 mM), an ethylene biosynthesis inhibitor, and of the polyamines putrescine (10 mM), spermidine (0.1, 1 and 5 mM) and spermine (2 mM) on peach (Prunus persica L. Batsch cv. Redhaven) fruit ripening was evaluated under field conditions. T...

journal_title：Physiologia plantarum

authors： Bregoli AM,Scaramagli S,Costa G,Sabatini E,Ziosi V,Biondi S,Torrigiani P

更新日期：2002-03-01 00:00:00

abstract：:Flowering and dwarfism induced by 5-azacytidine and zebularine, which both cause DNA demethylation, were studied in a short-day (SD) plant Pharbitis nil (synonym Ipomoea nil), var. Violet whose photoinduced flowering state does not last for a long period of time. The DNA demethylating reagents induced flowering under ...

journal_title：Physiologia plantarum

authors： Iwase Y,Shiraya T,Takeno K

更新日期：2010-05-01 00:00:00

abstract：:Fruit cuticle composition and their mechanical performance have a special role during ripening because internal pressure is no longer sustained by the degraded cell walls of the pericarp but is directly transmitted to epidermis and cuticle which could eventually crack. We have studied fruit growth, cuticle modificatio...

journal_title：Physiologia plantarum

authors： Domínguez E,Fernández MD,Hernández JC,Parra JP,España L,Heredia A,Cuartero J

更新日期：2012-12-01 00:00:00

abstract：:In this study, we were interested in learning if cytokinins play a role in the developmental process that leads to nodulation in the pea cv. Sparkle. We demonstrate that the application of the synthetic cytokinin BAP (6-benzyl-amino-purine) results in a number of nodulation-related changes. BAP stimulates the producti...

journal_title：Physiologia plantarum

authors： Lorteau MA,Ferguson BJ,Guinel FC

更新日期：2001-07-01 00:00:00

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/...

journal_title：Physiologia plantarum

authors： Hasenstein KH,Evans ML

更新日期：1988-01-01 00:00:00

abstract：:A greater understanding of the genetics of responses to water deficit/drought may be helpful in improving water-deficit resistance in the early stages of growth in rice. A recombinant inbred population derived from a cross between Zhenshan 97 and Minghui 63 was grown in hydroponic culture to characterize the responses...

journal_title：Physiologia plantarum

authors： Cui K,Huang J,Xing Y,Yu S,Xu C,Peng S

更新日期：2008-01-01 00:00:00

abstract：:The negative charges of cell wall pectin molecules attributed by pectin methylesterase (PME, EC 3.1.1.11) contribute to Al binding capacity. We examined the expression profiles of 35 members of the PME gene family in the root apex of an Al-sensitive rice 'Zhefu802' under Al stress. While root elongation was inhibited ...

journal_title：Physiologia plantarum

authors： Yang XY,Zeng ZH,Yan JY,Fan W,Bian HW,Zhu MY,Yang JL,Zheng SJ

更新日期：2013-08-01 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

authors： Li P,Cheng L

更新日期：2008-10-01 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

authors： Daye S,Biro RL,Roux SJ

更新日期：1984-07-01 00:00:00

abstract：:During ripening, citrus fruit-peel undergoes 'colour break', a process characterized by the conversion of chloroplast to chromoplast. The process involves the progressive loss of chlorophylls and the gain of carotenoids, changing peel colour from green to orange. In the present work, the in vivo and in vitro effects o...

journal_title：Physiologia plantarum

authors： Iglesias DJ,Tadeo FR,Legaz F,Primo-Millo E,Talon M

更新日期：2001-06-01 00:00:00