Cloning and functional characterization of quinolinic acid phosphoribosyl transferase (QPT) gene of Nicotiana tabacum.

abstract：:Phosphorylated derivatives of phosphatidylinositol, in association with phosphatidylinositol 3-kinase (PI3 kinase, EC 2.7.1.137) and phosphatidylinositol 4-kinase (PI4 kinase, EC 2.7.1.67), play a key role in regulation of fundamental cell processes. We present evidence for a relationship between alpha-amylase (EC 3.2...

journal_title：Physiologia plantarum

authors： Villasuso AL,Racagni GE,Machado EE

更新日期：2008-06-01 00:00:00

abstract：:Adverse environmental stresses affect plant growth and crop yields. Sheepgrass (Leymus chinensis (Trin.) Tzvel), an important forage grass that is widely distributed in the east of Eurasia steppe, has high tolerance to extreme low temperature. Many genes that respond to cold stress were identified in sheepgrass by RNA...

journal_title：Physiologia plantarum

authors： Li X,Yang W,Liu S,Li XQ,Jia J,Zhao P,Cheng L,Qi D,Chen S,Liu G

更新日期：2019-06-01 00:00:00

abstract：:Desert plants show specific mechanisms to thrive under prevailing harsh conditions. To study the survival mechanism(s) in native desert plant species, Lesser Cholistan desert in Pakistan was surveyed and two potential salt secretory grass species, Aeluropus lagopoides and Ochthochloa compressa, were selected from five...

journal_title：Physiologia plantarum

authors： Naz N,Hameed M,Wahid A,Arshad M,Aqeel Ahmad MS

更新日期：2009-02-01 00:00:00

abstract：:Despite intensive research on genetic regulation of flower development there are still only a few studies on the early phases of this process in perennial plants like trees. The aim of this study has been to identify genes that regulate early stages of inflorescence development in silver birch (Betula pendula Roth) an...

journal_title：Physiologia plantarum

authors： Elo A,Lemmetyinen J,Turunen ML,Tikka L,Sopanen T

更新日期：2001-05-01 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：:The plant cell wall surrounds and protects the cells. To divide, plant cells must synthesize a new cell wall to separate the two daughter cells. The cell plate is a transient polysaccharide-based compartment that grows between daughter cells and gives rise to the new cell wall. Cellulose constitutes a key component of...

journal_title：Physiologia plantarum

authors： Chen HW,Persson S,Grebe M,McFarlane HE

更新日期：2018-09-01 00:00:00

abstract：:The effects of high O3 (200 nl l-1 during the light period) and high CO2 (650 &mgr;l l-1 CO2, 24 h a day) alone and in combination were studied on 45-day-old sugar maple (Acer saccharum Marsh.) seedlings for 61 days in growth chambers. After 2 months of treatment under the environmental conditions of the experiment, s...

journal_title：Physiologia plantarum

authors： Gaucher C,Costanzo N,Afif D,Mauffette Y,Chevrier N,Dizengremel P

更新日期：2003-03-01 00:00:00

abstract：:Heteroploidy, often coinciding with phenotypic or metabolic changes, was found in cereal root cultures. In some cases the changes were apparent after only 4 passages and affected the roots of bread wheat as well as those containing all or some of the wheat and rye genomes. It is unsafe to assume that cultured organise...

journal_title：Physiologia plantarum

authors： Beuzenberg EJ,Ferguson JD,Pearson BE

更新日期：1969-01-01 00:00:00

abstract：:Chilling injury represents a major constrain for crops productivity. Prunus persica, one of the most relevant rosacea crops, have early season varieties that are resistant to chilling injury, in contrast to late season varieties, which display chilling symptoms such as mealiness (dry, sandy fruit mesocarp) after prolo...

journal_title：Physiologia plantarum

authors： Nilo-Poyanco R,Vizoso P,Sanhueza D,Balic I,Meneses C,Orellana A,Campos-Vargas R

更新日期：2019-07-01 00:00:00

abstract：:Water stress experiments were performed with grapevines (Vitis vinifera L.) and other C3 plants in the field, in potted plants in the laboratory, and with detached leaves. It was found that, in all cases, the ratio of steady state chlorophyll fluorescence (Fs) normalized to dark-adapted intrinsic fluorescence (Fo) inv...

journal_title：Physiologia plantarum

authors： Flexas J,Escalona JM,Evain S,Gulías J,Moya I,Osmond CB,Medrano H

更新日期：2002-02-01 00:00:00

abstract：:Rubisco activase (RCA) is an important enzyme that can catalyze the carboxylation and oxygenation activities of ribulose-1,5-bisphosphate carboxylase/oxygenase (Rubisco), which is involved in the photosynthetic carbon reduction cycle. Here, we studied the effects of changes in RCA activity on photosynthesis, growth an...

journal_title：Physiologia plantarum

authors： Bi H,Liu P,Jiang Z,Ai X

更新日期：2017-10-01 00:00:00

abstract：:Seed germination is an important stage in the lifecycle of a plant because it determines subsequent vegetative growth and reproduction. Here, we show that the E3 SUMO ligase AtSIZ1 regulates seed dormancy and germination. The germination rates of the siz1 mutants were less than 50%, even after a short period of ripeni...

journal_title：Physiologia plantarum

authors： Kim SI,Kwak JS,Song JT,Seo HS

更新日期：2016-11-01 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

authors： Chen T,Zhou B,Duan L,Zhu H,Zhang Z

更新日期：2017-04-01 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：:Methyl jasmonate (MeJA) is an airborne signaling phytohormone that can induce changes in endogenous jasmonates (JAs) and cause photosynthetic responses. However, the response of these two aspects of citrus plants at different MeJA concentrations is still unclear. Four MeJA concentrations were used in two citrus variet...

journal_title：Physiologia plantarum

authors： Qiu X,Xu Y,Xiong B,Dai L,Huang S,Dong T,Sun G,Liao L,Deng Q,Wang X,Zhu J,Wang Z

更新日期：2020-11-01 00:00:00

abstract：:The ATP-binding cassette (ABC) superfamily is a large protein family with diverse physiological functions in all kingdoms of life. One distinguished subfamily, the pleiotropic drug resistance (PDR) transporters, has only been identified in plants and fungi. Here, we identified a Nicotiana tabacum PDR gene, NtPDR6, whi...

journal_title：Physiologia plantarum

authors： Xie X,Wang G,Yang L,Cheng T,Gao J,Wu Y,Xia Q

更新日期：2015-02-01 00:00:00

abstract：:Al was shown to elicit the induction of several pathogenesis-related genes, suggesting that a common signalling pathway may be involved in the early response to Al and pathogens. However, we found no evidence of oxidative burst involving either H2O2 or O2- during the first hours of Al exposure distinguishing the early...

journal_title：Physiologia plantarum

authors： Maltais K,Houde M

更新日期：2002-05-01 00:00:00

abstract：:The vulnerability of the xylem to cavitation is an important trait in plant drought resistance and has been quantified by several methods. We present a modified method for the simultaneous measurement of cavitations, recorded as ultrasound acoustic emissions (UAEs), and the water potential, measured with a thermocoupl...

journal_title：Physiologia plantarum

authors： Wolkerstorfer SV,Rosner S,Hietz P

更新日期：2012-10-01 00:00:00

abstract：:Barley (Hordeum vulgare), a vital crop to the food and beverage industry, is highly vulnerable to unstable conditions on the climatic horizon. An article in this special issue of Physiologia Plantarum by Mahalingam and Bregitzer (2019) describes the impact that individual and combined stresses linked to climate change...

journal_title：Physiologia plantarum

authors： Law SR

更新日期：2019-02-01 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：:Hemerocallis plantlets maintained in vitro for extended periods of time in tightly closed culture vessels frequently show a phenotype, albeit on a miniaturized scale, typical of more mature, field-grown plants. The positive relationship of elevated ethylene in the headspace of such vessels to the phase shift from juv...

journal_title：Physiologia plantarum

authors： Smith DL,Kelly K,Krikorian AD

更新日期：1989-01-01 00:00:00

abstract：:The endogenous concentrations of ACC and ABA were measured, at predawn and at maximum solar radiation, during a summer drought, and recovery after autumn rainfalls, in rosemary (Rosmarinus officinalis L.), a drought-tolerant species, growing under Mediterranean field conditions. During the summer, plants were subjecte...

journal_title：Physiologia plantarum

authors： Munné-Bosch S,López-Carbonell M,Alegre L,Van Onckelen HA

更新日期：2002-03-01 00:00:00

abstract：:Relationships between xylem anatomical traits and cavitation resistance have always been a major content of plant hydraulics. To know how plants cope with drought, it is extremely important to acquire detailed knowledge about xylem anatomical traits and assess the cavitation resistance accurately. This study aims to i...

journal_title：Physiologia plantarum

authors： Zhao H,Jiang Z,Ma J,Cai J

更新日期：2020-06-01 00:00:00

abstract：:The duplicated grass APETALA1/FRUITFULL (AP1/FUL) genes have distinct but overlapping patterns of expression, suggesting their discrete roles in transition to flowering, specification of spikelet meristem identity and specification of floral organ identity. In this study, we analyzed the expression patterns and functi...

journal_title：Physiologia plantarum

authors： Li Q,Wang Y,Wang F,Guo Y,Duan X,Sun J,An H

更新日期：2016-08-01 00:00:00

abstract：:The redox-state is a critical determinate of cell function, and any major imbalances can cause severe damage or death. The cellular redox status therefore needs to be sensed and modulated before such imbalances occur. Various redox-active components are involved in these processes, including thioredoxins, glutaredoxin...

journal_title：Physiologia plantarum

authors： Dietz KJ,Scheibe R

更新日期：2004-01-01 00:00:00

abstract：:Maintaining a high rate of water uptake is crucial for maximum longevity of cut stems. Physiological gel/tylosis formation decreases water transport efficiency in the xylem. The primary mechanism of action for post-harvest Cu(2+) treatments in improving cut flower and foliage longevity has been elusive. The effect of ...

journal_title：Physiologia plantarum

authors： Ratnayake K,Joyce DC,Webb RI

更新日期：2013-08-01 00:00:00

abstract：:The effect of trophic competition between vegetative sources and reproductive sinks on grapevine (Vitis vinifera L.) shoot development was analyzed. Two international cultivars (Grenache N and Syrah) grown in pots, which were well watered, were studied. A large range of trophic competition levels was obtained by modif...

journal_title：Physiologia plantarum

authors： Pallas B,Louarn G,Christophe A,Lebon E,Lecoeur J

更新日期：2008-09-01 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：: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

authors： Heide OM

更新日期：1993-08-01 00:00:00

abstract：:Duckweed (Lemna minor L.) plants grown under high light are characterized, when compared to low light acclimated plants, by a higher xanthophyll cycle (VAZ) pool content, but also by a higher proportion of photoconvertible violaxanthin and a superior ability to synthesize VAZ pigments. When duckweed plants were transf...

journal_title：Physiologia plantarum

authors： García-Plazaola JI,Hernández A,Artetxe U,Becerril JM

更新日期：2002-09-01 00:00:00