解剖学和形态学
麻醉学
听力与言语-语言病理学
行为科学
心脏和心血管系统
细胞和组织工程学
临床神经病学
危重症监护医学
牙科,口腔外科和医学
皮肤病学
急诊医学
内分泌学和新陈代谢
肠胃学和肝脏学
老人病学和老年医学
卫生保健科学和服务
血液学
免疫学
传染病
综合和补充性医学
医学伦理学
医学信息学
医学实验室技术
医学,全科和内科
医学,法律
医学,研究和试验
神经系统科学
护理
营养学和饮食学
产科医学和妇科医学
肿瘤学
眼科学
整形外科学
耳鼻喉科学
病理学
儿科学
周围血管疾病
药理学和药剂学
生理学
基本医疗保健
精神病学
公共、环境和职业卫生
放射学,核医学和医学成像
康复学
生殖生物学
呼吸系统
风湿病学
运动科学
外科学
毒理学
热带医学
泌尿学和肾脏学
病毒学
老年医学
健康政策和服务
心理学,临床
abstract::In the past 30 years enormous progress was made in plant membrane biology and transport physiology, a fact reflected in the appearance of textbooks. The first book dedicated to 'Membrane Transport in Plants' was published on the occasion of the 'International Workshop on Membrane Transport in Plants' held at the Nucle...
journal_title:Planta
pub_type: 杂志文章,评审
doi:10.1007/s00425-006-0341-x
更新日期:2006-09-01 00:00:00
abstract::Nitric oxide (NO), an endogenous signaling molecule in animals and plants, mediates responses to abiotic and biotic stresses. Our previous work demonstrated that 100 microM sodium nitroprusside (SNP, an NO donor) treatment of maize seedlings increased K(+) accumulation in roots, leaves and sheathes, while decreasing N...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/s00425-006-0242-z
更新日期:2006-08-01 00:00:00
abstract::Hexokinase (HXK) is a dual-function enzyme that both phosphorylates hexose to form hexose 6-phosphate and plays an important role in sugar sensing and signaling. To investigate the roles of hexokinases in rice growth and development, we analyzed rice sequence databases and isolated ten rice hexokinase cDNAs, OsHXK1 (O...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/s00425-006-0251-y
更新日期:2006-08-01 00:00:00
abstract::In an optimized liquid medium containing auxin and cytokinin, mesophyll cells isolated from Zinnia elegans L. seedlings can be induced to differentiate into tracheary elements (TEs) at high frequency. However, it is known that buffering the medium at neutral pH severely suppresses TE differentiation. In the process of...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/s00425-006-0224-1
更新日期:2006-07-01 00:00:00
abstract::The pepper SAR8.2 gene, CASAR82A, was locally and systemically induced in pepper plants which had been infected by Xanthomonas campestris pv. vesicatoria or by Pseudomonas fluorescens. The DNA 1,283 bp sequence upstream of the CASAR82A gene was assessed with regard to the activity of the CASAR82A promoter fused to the...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/s00425-005-0210-z
更新日期:2006-07-01 00:00:00
abstract::Galls induced on Gypsophila paniculata by Pantoea agglomerans pv. gypsophilae (Pag) and Agrobacterium tumefaciens (At), bacteria with different mechanisms of pathogenicity, were compared morphologically and anatomically. The pathogenicity of Pag is dependent on the presence of an indigenous plasmid that harbors hrp ge...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/s00425-006-0229-9
更新日期:2006-07-01 00:00:00
abstract::A pine asparagine synthetase gene expressed in developing seedlings has been identified by cloning its cDNA (PsAS1) from Scots pine (Pinus sylvestris L.). Genomic DNA analysis with PsAS1 probes and a sequence-based phylogenetic tree are consistent with the possibility of more than one gene encoding asparagine syntheta...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/s00425-005-0196-6
更新日期:2006-06-01 00:00:00
abstract::The expression of a gene, encoding a dehydrin protein designated as DHN24 was analyzed at the protein level in two groups of Solanum species differing in cold acclimation ability. The DHN24 protein displays consensus amino acid sequences of dehydrins, termed K- and S-segments. The S-segment precedes three K-segments, ...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/s00425-005-0200-1
更新日期:2006-06-01 00:00:00
abstract::The nitric oxide (NO) donor sodium nitroprusside (SNP) significantly promoted germination of switchgrass (Panicum virgatum L. cv Kanlow) in the light and in the dark at 25 degrees C, across a broad range of concentrations. SNP also promoted seed germination in two other warm-season grasses. A chemical scavenger of NO ...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/s00425-005-0162-3
更新日期:2006-05-01 00:00:00
abstract::Lignin and lignans share monolignols as common precursors and are both potentially involved in plant defence against pathogens. In this study, we investigated the effects of fungal elicitors on lignin and lignan metabolism in flax (Linum usitatissimum) cell suspensions. Cell suspension cultures of flax were treated wi...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/s00425-005-0156-1
更新日期:2006-04-01 00:00:00
abstract::We have constructed a series of deletion mutants of Arabidopsis MAPK kinase kinase (AtMEKK1) and obtained a constitutively active mutant, AtMEKK1Delta166, which lacks in self-inhibitory sequence of N-terminal 166 amino acids but still has substrate specificity. AtMEKK1Delta166 predominantly phosphorylates AtMEK1, an A...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/s00425-005-0126-7
更新日期:2006-03-01 00:00:00
abstract::Hemoglobin gene expression is upregulated during hypoxia. To determine whether the induction occurs via similar mechanisms that have been proposed for other hypoxically induced proteins, barley (Hordeum vulgare L.) aleurone layers were treated with various agents that interfere with known components of signal transduc...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/s00425-005-0094-y
更新日期:2006-02-01 00:00:00
abstract::A 78-amino acid insertion (L78) is found in the low-affinity type (L-form) of starch phosphorylase (L-SP, EC 2.4.1.1). This insertion blocks the starch-binding site on the L-SP molecule, and it decreases the binding affinity of L-SP toward starch. The computational analysis of the amino acid sequence on L78 predicts s...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/s00425-005-0103-1
更新日期:2006-02-01 00:00:00
abstract::Preharvest aflatoxin contamination has been identified by the peanut industry as a serious issue in food safety and human health because of the carcinogenic toxicity. Drought stress is the most important environmental factor exacerbating Aspergillus infection and aflatoxin contamination in peanut. The development of d...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/s00425-005-0112-0
更新日期:2006-02-01 00:00:00
abstract::Arabidopsis thaliana plants grown from ethyl methane sulfonate-treated seeds were screened for so-called que mutants, which are affected in non-photochemical energy quenching. Based on video imaging of chlorophyll fluorescence an energy dissipation mutant, que1, was identified, isolated and characterized. Similar to t...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/s00425-005-0093-z
更新日期:2006-02-01 00:00:00
abstract::The enzymes gibberellin (GA) 20-oxidase and 3-oxidase are major sites of regulation in GA biosynthesis. We have characterised one member of each of the gene families encoding these enzymes that are highly expressed in elongating stems and in developing and germinating grains of wheat and are therefore likely to have p...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/s00425-005-0104-0
更新日期:2006-02-01 00:00:00
abstract::Non-lignified fibre cells (named gelatinous fibres) are present in tension wood and the stems of fibre crops (such as flax and hemp). These cells develop a very thick S2 layer within the secondary cell wall, which is characterised by (1) cellulose microfibrils largely parallel to the longitudinal axis of the cell, and...
journal_title:Planta
pub_type: 杂志文章,评审
doi:10.1007/s00425-005-0118-7
更新日期:2006-01-01 00:00:00
abstract::The major fatty acid component of castor (Ricinus communis L.) oil is ricinoleic acid (12-hydroxy-cis-9-octadecenoic acid), and unsaturated hydroxy acid accounts for >85% of the total fatty acids in triacylglycerol (TAG). TAG had a higher ricinoleate content at position 2 than at positions 1 and 3. Although lysophosph...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/s00425-005-0083-1
更新日期:2006-01-01 00:00:00
abstract::Cocoyam (Xanthosoma sagittifolium) is an important tuber crop in most tropical zones of Africa and America. In Cameroon, its cultivation is hampered by a soil-borne fungus Pythium myriotylum which is responsible for root rot disease. The mechanism of root colonisation by the fungus has yet to be elucidated. In this st...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/s00425-005-0090-2
更新日期:2006-01-01 00:00:00
abstract::Efficiency of novel fiber formation was much improved in protoplast culture of embryogenic cells (ECs) of a conifer, Larix leptolepis (Sieb. et Zucc.) Gord., by pre-culturing ECs in a medium containing a high concentration of glutamine (13.7 mM). The fibrillar substructures of large and elongated fibers of protoplasts...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/s00425-005-0065-3
更新日期:2005-12-01 00:00:00
abstract::Gene-for-gene resistance is a well-known type of plant disease resistance. It is governed by plant resistance (R) genes and their matching pathogen avirulence (Avr) genes. This resistance is characterized by a hypersensitive response (HR) resulting from the interaction between products of a complementary R and Avr gen...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/s00425-005-0036-8
更新日期:2005-12-01 00:00:00
abstract::Two hydroxyproline-rich glycopeptide systemin (TobHS) precursor proteins known as preproTobHypSys-A and B were recently discovered in tobacco (Nicotiana tabacum L.) [Pearce et al. in Nature 411:817-820, 2001]. In this work, the effect of elicitors, insect damage, and abiotic stress on the expression of preproTobHypSys...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/s00425-005-0024-z
更新日期:2005-11-01 00:00:00
abstract::Flax (Linum usitatissimum L.) phloem fibers elongate considerably during their development and intrude between existing cells. We questioned whether fiber elongation is caused by cell tip growth or intercalary growth. Cells with tip growth are characterized by having two specific zones of cytoplasm in the cell tip, on...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/s00425-005-1536-2
更新日期:2005-11-01 00:00:00
abstract::Autoregulatory mechanisms have been reported in the rhizobial and the mycorrhizal symbiosis. Autoregulation means that already existing nodules or an existing root colonization by an arbuscular mycorrhizal fungus systemically suppress subsequent nodule formation/root colonization in other parts of the root system. Mut...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/s00425-005-0003-4
更新日期:2005-11-01 00:00:00
abstract::A rice htd-1 mutant, related to tillering and dwarfing, was characterized. We show that the htd-1 mutant increases its tiller number by releasing axillary buds from dormant stage rather than by initiating more axillary buds. The dwarf is caused by averagely reducing each internode and panicle. Based on this dwarfing p...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/s00425-005-0007-0
更新日期:2005-11-01 00:00:00
abstract::Cotton fiber is an extremely long plant cell. Fiber elongation is a complex process and the genes that are crucial for elongation are largely unknown. We previously cloned a cDNA encoding an isoform of cotton profilin and found that the gene (designated GhPFN1) was preferentially expressed in cotton fibers. In the pre...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/s00425-005-0005-2
更新日期:2005-11-01 00:00:00
abstract::In the genus Petunia, distinct pollination syndromes may have evolved in association with bee-visitation (P. integrifolia spp.) or hawk moth-visitation (P. axillaris spp). We investigated the extent of congruence between floral fragrance and olfactory perception of the hawk moth Manduca sexta. Hawk moth pollinated P. ...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/s00425-005-1506-8
更新日期:2005-09-01 00:00:00
abstract::Here we report on the isolation and characterization of a somatic embryogenesis receptor-like kinase (OsSERK1) gene in rice (Oryza sativa). The OsSERK1 gene belongs to a small subfamily of receptor-like kinase genes in rice and shares a highly conserved gene structure and extensive sequence homology with previously re...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/s00425-005-1534-4
更新日期:2005-09-01 00:00:00
abstract::In spite of their silent and sessile life, plants are dynamic organisms that have developed advanced defence strategies in their adaptation to the pressure of herbivores and pathogens. Natural plant products play an important role as chemical weapons in this warfare. Characteristic of cruciferous plants is the synthes...
journal_title:Planta
pub_type: 杂志文章,评审
doi:10.1007/s00425-005-1553-1
更新日期:2005-07-01 00:00:00
abstract::A photoaffinity analog of tomato leaf RALF peptide (LeRALF), (125)I-azido-LeRALF, bound saturably to tomato suspension cultured cells in the dark in a classical receptor binding assay. Classical kinetic analyses revealed that the analog interacted with a single binding site on the surface of the cells with a KD of 0.8...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/s00425-004-1442-z
更新日期:2005-07-01 00:00:00
abstract::Oilseed rape (Brassica napus L.) needs very high nitrogen fertilizer inputs. Significant amounts of this nitrogen are lost during early leaf shedding and are a source of environmental and economic concern. The objective of this study was to investigate whether the remobilization of leaf amino acids could be limiting f...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/s00425-004-1446-8
更新日期:2005-06-01 00:00:00
abstract::A cDNA clone, designated CeCPI, encoding a novel phytocystatin was isolated from taro corms (Colocasia esculenta) using both degenerated primers/RT-PCR amplification and 5'-/3'-RACE extension. The full-length cDNA gene is 1,008 bp in size, encodes 206 amino acid residues, with a deduced molecular weight of 29 kDa. It ...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/s00425-004-1462-8
更新日期:2005-06-01 00:00:00
abstract::The roots of most extant plants are able to become engaged in an interaction with a small group of fungi of the fungal order Glomales (Glomeromycota). This interaction-arbuscular mycorrhizal (AM) symbiosis-is the evolutionary precursor of most other mutualistic root-microbe associations. The molecular analysis of this...
journal_title:Planta
pub_type: 杂志文章,评审
doi:10.1007/s00425-004-1436-x
更新日期:2005-05-01 00:00:00
abstract::The lemma and palea (lemma/palea), which form the husk of barley (Hordeum vulgare L.) seeds, constitutively express high levels of defense-related genes, relative to leaves [Abebe et al. (2004) Crop Sci 44:942-950]. One of these genes, Lem2, is expressed mainly in the lemma/palea and coleoptile and is strongly upregul...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/s00425-004-1429-9
更新日期:2005-05-01 00:00:00
abstract::The use of complementary and alternative medicines for breast cancer patients has been increasing every year. Traditional Indian systems of medicine, such as Siddha, have been reported to benefit patients in India through herbal interventions for cancer. One such herbal medicine is Semecarpus Lehyam (SL), and this stu...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/s00425-004-1405-4
更新日期:2005-04-01 00:00:00
abstract::In dark-grown soybean (Glycine max [L.] Merr.) seedlings, exposing the roots to water-deficient vermiculite (psi(w)=-0.36 MPa) inhibited hypocotyl (stem) elongation. The inhibition was associated with decreased extensibility of the cell walls in the elongation zone. A detailed spatial analysis showed xyloglucan endotr...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/s00425-004-1369-4
更新日期:2005-02-01 00:00:00
abstract::The regulation of gravistimulation-induced ethylene production and its role in gravitropic bending was studied in Antirrhinum majus L. cut flower stems. Gravistimulation increased ethylene production in both lower and upper halves of the stems with much higher levels observed in the lower half. Expression patterns of ...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/s00425-004-1359-6
更新日期:2005-01-01 00:00:00
abstract::The isolated full-length Capsicum annuum calcium-dependent protein kinase 3 (CaCDPK3) cDNA clone was selected from the chili pepper expressed sequence tag database (http://www.pdrc.re.kr/ks200201/pepper.html). Phylogenetic analysis based on the deduced amino acid sequence of CaCDPK3 cDNA revealed significant sequence ...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/s00425-004-1372-9
更新日期:2004-12-01 00:00:00
abstract::Ethylene responsive factors (ERFs) are important plant-specific transcription factors, some of which have been demonstrated to interact with the ethylene-responsive GCC box and the dehydration-responsive element (DRE); however, data on the roles of ERF proteins in connection with various signaling pathways are limited...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/s00425-004-1347-x
更新日期:2004-12-01 00:00:00
abstract::Rapidly growing, green motile flagellates of Haematococcus pluvialis can transform into enlarged red resting cysts (aplanospores) under oxidative stress conditions. However, it is not known what initial molecular defense mechanisms occur in response to oxidative stress, and may ultimately lead to cellular transformati...
journal_title:Planta
pub_type: 杂志文章
doi:10.1007/s00425-004-1323-5
更新日期:2004-11-01 00:00:00